Lti connection error

Erkan Yetik

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Aug 22, 2019, 8:00:37 AM8/22/19

to BigBlueButton-dev

I fresh installed bbb 2.2 beta -18. Now i want to integrate canvas lms via lti as external tool. when click in lms there is 500 internal server error. I check the bbb-lti.log file and the error is:

javax.servlet.ServletException: Could not resolve view with name '/error' in servlet with name 'grailsDispatcherServlet'

I googled but couldnt find any solution.

Thanks for help.

Erkan Yetik

Chad Pilkey

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Aug 22, 2019, 1:00:55 PM8/22/19

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Please post the full log. The message that you pasted just means that there was a problem and it tried to render an error page, but couldnt.

Erkan Yetik

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Aug 23, 2019, 6:50:21 AM8/23/19

to BigBlueButton-dev

Hi Chad, this is the full log.

2019-08-23T13:48:22.437+03:00 DEBUG o.b.lti.controllers.ToolController - Calculated: 9iIacatCZuoOb2lhQV9b6BfqYC/xMf3fQvi9+thOUiw= Received: +H5Om0yk+zYUHOnSwECgAXksDd8=
2019-08-23T13:48:22.437+03:00 DEBUG o.b.lti.controllers.ToolController - The message has NOT a valid signature.
2019-08-23T13:48:22.438+03:00 DEBUG o.b.lti.controllers.ToolController - Error [resultMessageKey:'InvalidSignature', resultMessage:'Invalid signature (+H5Om0yk+zYUHOnSwECgAXksDd8=).']
2019-08-23T13:48:22.492+03:00 ERROR o.a.c.c.C.[.[.[.[grailsDispatcherServlet] - Servlet.service() for servlet [grailsDispatcherServlet] in context with path [] threw exception [Could not resolve view with name '/tool/error' in servlet with name 'grailsDispatcherServlet'] with root cause
javax.servlet.ServletException: Could not resolve view with name '/tool/error' in servlet with name 'grailsDispatcherServlet'
    at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1266)
    at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1041)
    at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:984)
    at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901)
    at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
    at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:872)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:661)
    at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at org.springframework.boot.web.filter.ApplicationContextHeaderFilter.doFilterInternal(ApplicationContextHeaderFilter.java:55)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at org.springframework.boot.actuate.trace.WebRequestTraceFilter.doFilterInternal(WebRequestTraceFilter.java:111)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at org.grails.web.servlet.mvc.GrailsWebRequestFilter.doFilterInternal(GrailsWebRequestFilter.java:77)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at org.grails.web.filters.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:67)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at org.springframework.web.filter.CorsFilter.doFilterInternal(CorsFilter.java:96)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at org.springframework.boot.actuate.autoconfigure.MetricsFilter.doFilterInternal(MetricsFilter.java:103)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
    at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:798)
    at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
    at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:808)
    at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1498)
    at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
    at java.lang.Thread.run(Thread.java:748)
2019-08-23T13:48:22.505+03:00 ERROR o.a.c.c.C.[.[.[.[grailsDispatcherServlet] - Servlet.service() for servlet [grailsDispatcherServlet] threw exception

javax.servlet.ServletException: Could not resolve view with name '/error' in servlet with name 'grailsDispatcherServlet'

    at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1266)
    at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1041)
    at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:984)
    at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901)
    at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
    at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:872)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:661)
    at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:728)
    at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:472)
    at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:395)
    at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:316)
    at org.apache.catalina.core.StandardHostValve.custom(StandardHostValve.java:386)
    at org.apache.catalina.core.StandardHostValve.status(StandardHostValve.java:245)
    at org.apache.catalina.core.StandardHostValve.throwable(StandardHostValve.java:340)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:166)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
    at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:798)
    at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
    at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:808)
    at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1498)
    at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
    at java.lang.Thread.run(Thread.java:748)
2019-08-23T13:48:22.506+03:00 ERROR o.a.c.c.C.[Tomcat].[localhost] - Exception Processing ErrorPage[errorCode=500, location=/error]

javax.servlet.ServletException: Could not resolve view with name '/error' in servlet with name 'grailsDispatcherServlet'

    at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1266)
    at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1041)
    at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:984)
    at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901)
    at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
    at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:872)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:661)
    at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:728)
    at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:472)
    at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:395)
    at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:316)
    at org.apache.catalina.core.StandardHostValve.custom(StandardHostValve.java:386)
    at org.apache.catalina.core.StandardHostValve.status(StandardHostValve.java:245)
    at org.apache.catalina.core.StandardHostValve.throwable(StandardHostValve.java:340)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:166)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
    at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:798)
    at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
    at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:808)
    at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1498)
    at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
    at java.lang.Thread.run(Thread.java:748)

Erkan Yetik

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Aug 23, 2019, 7:49:27 AM8/23/19

to BigBlueButton-dev

my credentials are true but signature is invalid.

Adon Irani

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Aug 26, 2019, 10:38:49 AM8/26/19

to BigBlueButton-dev

Hi everyone,

I have the exact same issue. Just upgraded to the 2.2-beta and trying to get the LTI to work.

2019-08-25T06:58:16.746Z DEBUG o.b.lti.controllers.ToolController - Calculated: +0ZQJvk6YzlrHw4uQC7GRb8gJPn+tV+cYwq5AncnX2s= Received: +oVqoAxHBktZ/3Dmq2vjV/xerRA=

2019-08-25T06:58:16.746Z DEBUG o.b.lti.controllers.ToolController - The message has NOT a valid signature.

2019-08-25T06:58:16.747Z DEBUG o.b.lti.controllers.ToolController - Error [resultMessageKey:'InvalidSignature', resultMessage:'Invalid signature (+oVqoAxHBktZ/3Dmq2vjV/xerRA=).']

2019-08-25T06:58:16.749Z ERROR o.a.c.c.C.[.[.[.[grailsDispatcherServlet] - Servlet.service() for servlet [grailsDispatcherServlet] in context with path [] threw exception [Could not resolve view with name '/tool/error' in servlet with name 'grailsDispatcherServlet'] with root cause

javax.servlet.ServletException: Could not resolve view with name '/tool/error' in servlet with name 'grailsDispatcherServlet'

Above this is the Canvas LMS handshake. Below it is the same error that Erkan is receiving.

What additional information can I provide that would be helpful?

Kind regards,

Adon

Fred Dixon

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Aug 26, 2019, 12:59:12 PM8/26/19

to BigBlueButton-dev

Hi,

We're getting close to releasing beta-19 which has some improvements to the LTI. Watch for the notice in this group and we'd be interested to hear if it gets bbb-lti working for you.

Regards,... Fred

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Fred Dixon

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Aug 27, 2019, 5:21:13 AM8/27/19

to BigBlueButton-dev

Hi,

Can you upgrade to BigBlueButton 2.2-beta-19 and let us know if you still encounter issues with LTI. See

https://groups.google.com/d/msg/bigbluebutton-dev/saafzy22sCU/E691bJO7CwAJ

Regards,... Fred

Message has been deleted

Erkan Yetik

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Aug 27, 2019, 6:26:11 AM8/27/19

to BigBlueButton-dev

Hi Fred, ı just installed beta 19 doing via install.sh. I didn't give response bbb-conf --lti in beta 18 but it works in beta 19.But now I had consumer not found error although credentials are true.

**** And another information: "

/var/lib/tomcat7/webapps/lti/WEB-INF/classes/lti.properties" location are empty.

They are on : /usr/share/bbb-lti/WEB-INF/classes/lti.properties.

These are the logs:

bbb-conf --status:

red5 ——————————————————► [✔ - active]
nginx —————————————————► [✔ - active]
freeswitch ————————————► [✔ - active]
redis-server ——————————► [✔ - active]
bbb-apps-akka —————————► [✔ - active]
bbb-transcode-akka ————► [✔ - active]
bbb-fsesl-akka ————————► [✔ - active]
tomcat7 ———————————————► [✔ - active]
mongod ————————————————► [✔ - active]
bbb-html5 —————————————► [✔ - active]
bbb-webrtc-sfu ————————► [✔ - active]
kurento-media-server ——► [✔ - active]
etherpad ——————————————► [✔ - active]
bbb-web ———————————————► [✔ - active]
bbb-lti ———————————————► [✔ - active]

bbb-conf --check:

BigBlueButton Server 2.2.0-beta-19 (1369)
                    Kernel version: 4.4.0-159-generic
                      Distribution: Ubuntu 16.04.6 LTS (64-bit)
                            Memory: 8174 MB
                         CPU cores: 8

/usr/share/bbb-web/WEB-INF/classes/bigbluebutton.properties (bbb-web)
       bigbluebutton.web.serverURL: https://****
                defaultGuestPolicy: ALWAYS_ACCEPT
                 svgImagesRequired: true

/etc/nginx/sites-available/bigbluebutton (nginx)
                       server name: *****
                              port: 80, [::]:80
                              port: 443 ssl
                    bbb-client dir: /var/www/bigbluebutton

/var/www/bigbluebutton/client/conf/config.xml (bbb-client)
                Port test (tunnel): rtmp://****domain
                              red5: ***domain
              useWebrtcIfAvailable: true

/opt/freeswitch/etc/freeswitch/vars.xml (FreeSWITCH)
                       local_ip_v4: publicip***
                   external_rtp_ip: publicip***
                   external_sip_ip: publicip***

/opt/freeswitch/etc/freeswitch/sip_profiles/external.xml (FreeSWITCH)
                        ext-rtp-ip: $${local_ip_v4}
                        ext-sip-ip: $${local_ip_v4}
                        ws-binding: :5066
                       wss-binding: publicip***:7443

/usr/local/bigbluebutton/core/scripts/bigbluebutton.yml (record and playback)
                     playback_host: ***domain
                 playback_protocol: https
                            ffmpeg: 4.1.3-0york1~16.04

/etc/bigbluebutton/nginx/sip.nginx (sip.nginx)
                        proxy_pass: publicip***

/usr/local/bigbluebutton/bbb-webrtc-sfu/config/default.yml (Kurento SFU)
                        kurento.ip: publicip***
                       kurento.url: ws://127.0.0.1:8888/kurento
                    localIpAddress: publicip***
               recordScreenSharing: true
                     recordWebcams: true
                  codec_video_main: VP8
               codec_video_content: VP8

/usr/share/meteor/bundle/programs/server/assets/app/config/settings.yml (HTML5 client)
                             build: 687
                        kurentoUrl: wss://domain****/bbb-webrtc-sfu
                  enableListenOnly: true

# Potential problems described below
# Warning: API URL IPs do not match host:
#
#                                IP from ifconfig: publicip***
# /var/lib/tomcat7/demo/bbb_api_conf.jsp: domain***

bbb-lti.log:

2019-08-27T10:59:40.196+03:00 DEBUG o.b.lti.controllers.

ToolController - ToolController#index
2019-08-27T10:59:40.197+03:00 INFO org.bigbluebutton.LtiService - ----------------------------------
2019-08-27T10:59:40.198+03:00 INFO org.bigbluebutton.LtiService - controller=tool
2019-08-27T10:59:40.198+03:00 INFO org.bigbluebutton.LtiService - format=null
2019-08-27T10:59:40.198+03:00 INFO org.bigbluebutton.LtiService - request_method=GET
2019-08-27T10:59:40.198+03:00 INFO org.bigbluebutton.LtiService - ----------------------------------
2019-08-27T10:59:40.198+03:00 DEBUG org.bigbluebutton.LtiService - Pinging SSL connection
2019-08-27T10:59:40.213+03:00 DEBUG o.b.lti.controllers.ToolController - ToolController#test
2019-08-27T10:59:40.223+03:00 DEBUG o.b.lti.controllers.ToolController - ToolController#index
2019-08-27T10:59:40.224+03:00 INFO org.bigbluebutton.LtiService - ----------------------------------
2019-08-27T10:59:40.225+03:00 INFO org.bigbluebutton.LtiService - controller=tool
2019-08-27T10:59:40.225+03:00 INFO org.bigbluebutton.LtiService - format=null
2019-08-27T10:59:40.225+03:00 INFO org.bigbluebutton.LtiService - request_method=GET
2019-08-27T10:59:40.225+03:00 INFO org.bigbluebutton.LtiService - ----------------------------------
2019-08-27T10:59:40.226+03:00 DEBUG org.bigbluebutton.LtiService - Pinging SSL connection
2019-08-27T10:59:40.235+03:00 DEBUG o.b.lti.controllers.ToolController - ToolController#test
2019-08-27T10:59:45.700+03:00 DEBUG o.b.lti.controllers.ToolController - ToolController#index
2019-08-27T10:59:45.701+03:00 INFO org.bigbluebutton.LtiService - ----------------------------------
2019-08-27T10:59:45.701+03:00 INFO org.bigbluebutton.LtiService - context_id=7c080b081a2379c4da721a511c4edff9c63a8874
2019-08-27T10:59:45.701+03:00 INFO org.bigbluebutton.LtiService - context_label=1617BaharAIITSablon
2019-08-27T10:59:45.701+03:00 INFO org.bigbluebutton.LtiService - context_title=1617BaharAIITSablon
2019-08-27T10:59:45.701+03:00 INFO org.bigbluebutton.LtiService - controller=tool
2019-08-27T10:59:45.702+03:00 INFO org.bigbluebutton.LtiService - custom_canvas_enrollment_state=
2019-08-27T10:59:45.702+03:00 INFO org.bigbluebutton.LtiService - ext_roles=urn:lti:instrole:ims/lis/Administrator,urn:lti:instrole:ims/lis/Instructor,urn:lti:sysrole:ims/lis/SysAdmin,urn:lti:sysrole:ims/lis/User
2019-08-27T10:59:45.702+03:00 INFO org.bigbluebutton.LtiService - format=null
2019-08-27T10:59:45.702+03:00 INFO org.bigbluebutton.LtiService - launch_presentation_document_target=iframe
2019-08-27T10:59:45.702+03:00 INFO org.bigbluebutton.LtiService - launch_presentation_height=400
2019-08-27T10:59:45.702+03:00 INFO org.bigbluebutton.LtiService - launch_presentation_locale=en
2019-08-27T10:59:45.702+03:00 INFO org.bigbluebutton.LtiService - launch_presentation_return_url=https://****/courses/334/external_content/success/external_tool_redirect
2019-08-27T10:59:45.702+03:00 INFO org.bigbluebutton.LtiService - launch_presentation_width=800
2019-08-27T10:59:45.702+03:00 INFO org.bigbluebutton.LtiService - lis_person_name_family=Yonetici
2019-08-27T10:59:45.702+03:00 INFO org.bigbluebutton.LtiService - lis_person_name_full=Esuzem Yonetici
2019-08-27T10:59:45.702+03:00 INFO org.bigbluebutton.LtiService - lis_person_name_given=Esuzem
2019-08-27T10:59:45.702+03:00 INFO org.bigbluebutton.LtiService - lti_message_type=basic-lti-launch-request
2019-08-27T10:59:45.702+03:00 INFO org.bigbluebutton.LtiService - lti_version=LTI-1p0
2019-08-27T10:59:45.703+03:00 INFO org.bigbluebutton.LtiService - oauth_callback=about:blank
2019-08-27T10:59:45.703+03:00 INFO org.bigbluebutton.LtiService - oauth_consumer_key=bbb
2019-08-27T10:59:45.703+03:00 INFO org.bigbluebutton.LtiService - oauth_nonce=4ESEuYOGL2qqAwLmUAuqsabdT8xDK43iZbSc5CrI
2019-08-27T10:59:45.703+03:00 INFO org.bigbluebutton.LtiService - oauth_signature=8Rb8QMzZMJSYVn15Vz2RURUG2rc=
2019-08-27T10:59:45.703+03:00 INFO org.bigbluebutton.LtiService - oauth_signature_method=HMAC-SHA1
2019-08-27T10:59:45.703+03:00 INFO org.bigbluebutton.LtiService - oauth_timestamp=1566892786
2019-08-27T10:59:45.703+03:00 INFO org.bigbluebutton.LtiService - oauth_version=1.0
2019-08-27T10:59:45.703+03:00 INFO org.bigbluebutton.LtiService - request_method=POST
2019-08-27T10:59:45.703+03:00 INFO org.bigbluebutton.LtiService - resource_link_id=7c080b081a2379c4da721a511c4edff9c63a8874
2019-08-27T10:59:45.703+03:00 INFO org.bigbluebutton.LtiService - resource_link_title=wer
2019-08-27T10:59:45.703+03:00 INFO org.bigbluebutton.LtiService - roles=urn:lti:instrole:ims/lis/Administrator
2019-08-27T10:59:45.703+03:00 INFO org.bigbluebutton.LtiService - tool_consumer_info_product_family_code=canvas
2019-08-27T10:59:45.703+03:00 INFO org.bigbluebutton.LtiService - tool_consumer_info_version=cloud
2019-08-27T10:59:45.703+03:00 INFO org.bigbluebutton.LtiService - tool_consumer_instance_contact_email=*****@gmail.com
2019-08-27T10:59:45.703+03:00 INFO org.bigbluebutton.LtiService - tool_consumer_instance_guid=c17451e3470c0d98b829174051a2e32f18916c3c.****.edu.tr
2019-08-27T10:59:45.703+03:00 INFO org.bigbluebutton.LtiService - tool_consumer_instance_name=Esuzem
2019-08-27T10:59:45.704+03:00 INFO org.bigbluebutton.LtiService - user_id=a534b3ddfa36d816223d64caa99657fead92db28
2019-08-27T10:59:45.704+03:00 INFO org.bigbluebutton.LtiService - ----------------------------------
2019-08-27T10:59:45.704+03:00 INFO o.b.lti.controllers.ToolController - endPoint: http://domain/lti/tool
2019-08-27T10:59:45.704+03:00 DEBUG o.b.lti.controllers.ToolController - Checking for required parameters
2019-08-27T10:59:45.704+03:00 DEBUG o.b.lti.controllers.ToolController - Error [resultMessageKey:'ConsumerNotFound', resultMessage:'Consumer with id = bbb was not found.']
2019-08-27T10:59:45.709+03:00 ERROR o.a.c.c.C.[.[.[.[grailsDispatcherServlet] - Servlet.service() for servlet [grailsDispatcherServlet] in context with path [] threw exception [Could not resolve view with name '/tool/error' in servlet with name 'grailsDispatcherServlet'] with root cause

javax.servlet.ServletException: Could not resolve view with name '/tool/error' in servlet with name 'grailsDispatcherServlet'

2019-08-27T10:59:45.713+03:00 ERROR o.a.c.c.C.[.[.[.[grailsDispatcherServlet] - Servlet.service() for servlet [grailsDispatcherServlet] threw exception

2019-08-27T10:59:45.713+03:00 ERROR o.a.c.c.C.[Tomcat].[localhost] - Exception Processing ErrorPage[errorCode=500, location=/error]

Fred Dixon

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Aug 27, 2019, 6:37:15 AM8/27/19

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Hi,

What is the output of

bbb-conf --lti

Do you see it printing the 'Consumer: bbb' (which is the default consumer key)?

Regards,... Fred

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Erkan Yetik

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Aug 27, 2019, 6:40:30 AM8/27/19

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Hi, this is the bbb-conf --lti response. I can share with you real ip and domain on private mail.

bbb-conf --lti

URL: http://****domain/lti/tool
Customer: bbb
Secret: ************

Icon URL: http://domain/lti/images/icon.ico

Erkan Yetik

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Aug 27, 2019, 7:06:20 AM8/27/19

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Hi, there was conflicted keys, ı just reboot server and now pass the consumer key. But same with beta 18. The message has NOT a valid signature

bbb-lti.log:

2019-08-27T14:01:04.548+03:00 DEBUG o.b.lti.controllers.ToolController - ToolController#index
2019-08-27T14:01:04.552+03:00 INFO org.bigbluebutton.LtiService - ----------------------------------
2019-08-27T14:01:04.552+03:00 INFO org.bigbluebutton.LtiService - controller=tool
2019-08-27T14:01:04.552+03:00 INFO org.bigbluebutton.LtiService - format=null
2019-08-27T14:01:04.552+03:00 INFO org.bigbluebutton.LtiService - request_method=GET
2019-08-27T14:01:04.552+03:00 INFO org.bigbluebutton.LtiService - ----------------------------------
2019-08-27T14:01:04.554+03:00 DEBUG org.bigbluebutton.LtiService - Pinging SSL connection
2019-08-27T14:01:05.288+03:00 DEBUG o.b.lti.controllers.ToolController - ToolController#test
2019-08-27T14:01:05.327+03:00 DEBUG o.b.lti.controllers.ToolController - ToolController#index
2019-08-27T14:01:05.329+03:00 INFO org.bigbluebutton.LtiService - ----------------------------------
2019-08-27T14:01:05.330+03:00 INFO org.bigbluebutton.LtiService - controller=tool
2019-08-27T14:01:05.330+03:00 INFO org.bigbluebutton.LtiService - format=null
2019-08-27T14:01:05.330+03:00 INFO org.bigbluebutton.LtiService - request_method=GET
2019-08-27T14:01:05.330+03:00 INFO org.bigbluebutton.LtiService - ----------------------------------
2019-08-27T14:01:05.330+03:00 DEBUG org.bigbluebutton.LtiService - Pinging SSL connection
2019-08-27T14:01:05.338+03:00 DEBUG o.b.lti.controllers.ToolController - ToolController#test
2019-08-27T14:01:12.861+03:00 DEBUG o.b.lti.controllers.ToolController - ToolController#index
2019-08-27T14:01:12.865+03:00 INFO org.bigbluebutton.LtiService - ----------------------------------
2019-08-27T14:01:12.866+03:00 INFO org.bigbluebutton.LtiService - context_id=7c080b081a2379c4da721a511c4edff9c63a8874
2019-08-27T14:01:12.866+03:00 INFO org.bigbluebutton.LtiService - context_label=1617BaharAIITSablon
2019-08-27T14:01:12.867+03:00 INFO org.bigbluebutton.LtiService - context_title=1617BaharAIITSablon
2019-08-27T14:01:12.867+03:00 INFO org.bigbluebutton.LtiService - controller=tool
2019-08-27T14:01:12.867+03:00 INFO org.bigbluebutton.LtiService - custom_canvas_enrollment_state=
2019-08-27T14:01:12.867+03:00 INFO org.bigbluebutton.LtiService - ext_roles=urn:lti:instrole:ims/lis/Administrator,urn:lti:instrole:ims/lis/Instructor,urn:lti:sysrole:ims/lis/SysAdmin,urn:lti:sysrole:ims/lis/User
2019-08-27T14:01:12.867+03:00 INFO org.bigbluebutton.LtiService - format=null
2019-08-27T14:01:12.868+03:00 INFO org.bigbluebutton.LtiService - launch_presentation_document_target=iframe
2019-08-27T14:01:12.868+03:00 INFO org.bigbluebutton.LtiService - launch_presentation_height=400
2019-08-27T14:01:12.868+03:00 INFO org.bigbluebutton.LtiService - launch_presentation_locale=en
2019-08-27T14:01:12.868+03:00 INFO org.bigbluebutton.LtiService - launch_presentation_return_url=https://canvas.ogu.edu.tr/courses/334/external_content/success/external_tool_redirect
2019-08-27T14:01:12.868+03:00 INFO org.bigbluebutton.LtiService - launch_presentation_width=800
2019-08-27T14:01:12.868+03:00 INFO org.bigbluebutton.LtiService - lis_person_name_family=Yonetici
2019-08-27T14:01:12.868+03:00 INFO org.bigbluebutton.LtiService - lis_person_name_full=Esuzem Yonetici
2019-08-27T14:01:12.868+03:00 INFO org.bigbluebutton.LtiService - lis_person_name_given=Esuzem
2019-08-27T14:01:12.868+03:00 INFO org.bigbluebutton.LtiService - lti_message_type=basic-lti-launch-request
2019-08-27T14:01:12.868+03:00 INFO org.bigbluebutton.LtiService - lti_version=LTI-1p0
2019-08-27T14:01:12.868+03:00 INFO org.bigbluebutton.LtiService - oauth_callback=about:blank
2019-08-27T14:01:12.868+03:00 INFO org.bigbluebutton.LtiService - oauth_consumer_key=bbb
2019-08-27T14:01:12.868+03:00 INFO org.bigbluebutton.LtiService - oauth_nonce=Rpc8z0epm0Kf2tnzQUaHJrM5seSYDAmUgVnNQ2o
2019-08-27T14:01:12.869+03:00 INFO org.bigbluebutton.LtiService - oauth_signature=/LHso3ZYCsLg1pv7eNz/0gPhtDI=
2019-08-27T14:01:12.869+03:00 INFO org.bigbluebutton.LtiService - oauth_signature_method=HMAC-SHA1
2019-08-27T14:01:12.869+03:00 INFO org.bigbluebutton.LtiService - oauth_timestamp=1566903673
2019-08-27T14:01:12.869+03:00 INFO org.bigbluebutton.LtiService - oauth_version=1.0
2019-08-27T14:01:12.869+03:00 INFO org.bigbluebutton.LtiService - request_method=POST
2019-08-27T14:01:12.869+03:00 INFO org.bigbluebutton.LtiService - resource_link_id=7c080b081a2379c4da721a511c4edff9c63a8874
2019-08-27T14:01:12.869+03:00 INFO org.bigbluebutton.LtiService - resource_link_title=asdasd
2019-08-27T14:01:12.869+03:00 INFO org.bigbluebutton.LtiService - roles=urn:lti:instrole:ims/lis/Administrator
2019-08-27T14:01:12.869+03:00 INFO org.bigbluebutton.LtiService - tool_consumer_info_product_family_code=canvas
2019-08-27T14:01:12.869+03:00 INFO org.bigbluebutton.LtiService - tool_consumer_info_version=cloud
2019-08-27T14:01:12.869+03:00 INFO org.bigbluebutton.LtiService - tool_consumer_instance_contact_email=*****@gmail.com
2019-08-27T14:01:12.869+03:00 INFO org.bigbluebutton.LtiService - tool_consumer_instance_guid=c17451e3470c0d98b829174051a2e32f18916c3c.****.ogu.edu.tr
2019-08-27T14:01:12.870+03:00 INFO org.bigbluebutton.LtiService - tool_consumer_instance_name=Esuzem
2019-08-27T14:01:12.870+03:00 INFO org.bigbluebutton.LtiService - user_id=a534b3ddfa36d816223d64caa99657fead92db28
2019-08-27T14:01:12.870+03:00 INFO org.bigbluebutton.LtiService - ----------------------------------
2019-08-27T14:01:12.871+03:00 INFO o.b.lti.controllers.ToolController - endPoint: http://domain.ogu.edu.tr/lti/tool
2019-08-27T14:01:12.871+03:00 DEBUG o.b.lti.controllers.ToolController - Checking for required parameters
2019-08-27T14:01:12.873+03:00 DEBUG o.b.lti.controllers.ToolController - Found consumer with key bbb
2019-08-27T14:01:12.915+03:00 DEBUG o.b.lti.controllers.ToolController - SHA1 Base Message String = [ POST&http%3A%2F%domain.ogu.edu.tr%2Flti%2Ftool&context_id%3D7c080b081a2379c4da721a511c4edff9c63a8874%26context_label%3D1617BaharAIITSablon%26context_title%3D1617BaharAIITSablon%26custom_canvas_enrollment_state%3D%26ext_roles%3Durn%253Alti%253Ainstrole%253Aims%252Flis%252FAdministrator%252Curn%253Alti%253Ainstrole%253Aims%252Flis%252FInstructor%252Curn%253Alti%253Asysrole%253Aims%252Flis%252FSysAdmin%252Curn%253Alti%253Asysrole%253Aims%252Flis%252FUser%26launch_presentation_document_target%3Diframe%26launch_presentation_height%3D400%26launch_presentation_locale%3Den%26launch_presentation_return_url%3Dhttps%253A%252F%****.ogu.edu.tr%252Fcourses%252F334%252Fexternal_content%252Fsuccess%252Fexternal_tool_redirect%26launch_presentation_width%3D800%26lis_person_name_family%3DYonetici%26lis_person_name_full%3DEsuzem%2520Yonetici%26lis_person_name_given%3DEsuzem%26lti_message_type%3Dbasic-lti-launch-request%26lti_version%3DLTI-1p0%26oauth_callback%3Dabout%253Ablank%26oauth_consumer_key%3Dbbb%26oauth_nonce%3DRpc8z0epm0Kf2tnzQUaHJrM5seSYDAmUgVnNQ2o%26oauth_signature_method%3DHMAC-SHA1%26oauth_timestamp%3D1566903673%26oauth_version%3D1.0%26resource_link_id%3D7c080b081a2379c4da721a511c4edff9c63a8874%26resource_link_title%3Dasdasd%26roles%3Durn%253Alti%253Ainstrole%253Aims%252Flis%252FAdministrator%26tool_consumer_info_product_family_code%3Dcanvas%26tool_consumer_info_version%3Dcloud%26tool_consumer_instance_contact_email%3Desuzemortakdersler%2540gmail.com%26tool_consumer_instance_guid%3Dc17451e3470c0d98b829174051a2e32f18916c3c.***.ogu.edu.tr%26tool_consumer_instance_name%3DEsuzem%26user_id%3Da534b3ddfa36d816223d64caa99657fead92db28 ]

2019-08-27T14:01:12.922+03:00 DEBUG o.b.lti.controllers.ToolController - Calculated: c2BpseSA3XN/KReKyFPUoaptt2M= Received: /LHso3ZYCsLg1pv7eNz/0gPhtDI=
2019-08-27T14:01:12.925+03:00 DEBUG o.b.lti.controllers.ToolController - SHA256 Base Message String = [ POST&http%3A%2F%domain.ogu.edu.tr%2Flti%2Ftool&context_id%3D7c080b081a2379c4da721a511c4edff9c63a8874%26context_label%3D1617BaharAIITSablon%26context_title%3D1617BaharAIITSablon%26custom_canvas_enrollment_state%3D%26ext_roles%3Durn%253Alti%253Ainstrole%253Aims%252Flis%252FAdministrator%252Curn%253Alti%253Ainstrole%253Aims%252Flis%252FInstructor%252Curn%253Alti%253Asysrole%253Aims%252Flis%252FSysAdmin%252Curn%253Alti%253Asysrole%253Aims%252Flis%252FUser%26launch_presentation_document_target%3Diframe%26launch_presentation_height%3D400%26launch_presentation_locale%3Den%26launch_presentation_return_url%3Dhttps%253A%252F%*****.ogu.edu.tr%252Fcourses%252F334%252Fexternal_content%252Fsuccess%252Fexternal_tool_redirect%26launch_presentation_width%3D800%26lis_person_name_family%3DYonetici%26lis_person_name_full%3DEsuzem%2520Yonetici%26lis_person_name_given%3DEsuzem%26lti_message_type%3Dbasic-lti-launch-request%26lti_version%3DLTI-1p0%26oauth_callback%3Dabout%253Ablank%26oauth_consumer_key%3Dbbb%26oauth_nonce%3DRpc8z0epm0Kf2tnzQUaHJrM5seSYDAmUgVnNQ2o%26oauth_signature_method%3DHMAC-SHA1%26oauth_timestamp%3D1566903673%26oauth_version%3D1.0%26resource_link_id%3D7c080b081a2379c4da721a511c4edff9c63a8874%26resource_link_title%3Dasdasd%26roles%3Durn%253Alti%253Ainstrole%253Aims%252Flis%252FAdministrator%26tool_consumer_info_product_family_code%3Dcanvas%26tool_consumer_info_version%3Dcloud%26tool_consumer_instance_contact_email%3Desuzemortakdersler%2540gmail.com%26tool_consumer_instance_guid%3Dc17451e3470c0d98b829174051a2e32f18916c3c.*****.ogu.edu.tr%26tool_consumer_instance_name%3DEsuzem%26user_id%3Da534b3ddfa36d816223d64caa99657fead92db28 ]

2019-08-27T14:01:12.927+03:00 DEBUG o.b.lti.controllers.ToolController - Calculated: E+EVq/JH5Vp4SSUf+RfcBWscUpIXcvT0eeKSwtUVnJI= Received: /LHso3ZYCsLg1pv7eNz/0gPhtDI=
2019-08-27T14:01:12.928+03:00 DEBUG o.b.lti.controllers.ToolController - The message has NOT a valid signature.
2019-08-27T14:01:12.928+03:00 DEBUG o.b.lti.controllers.ToolController - Error [resultMessageKey:'InvalidSignature', resultMessage:'Invalid signature (/LHso3ZYCsLg1pv7eNz/0gPhtDI=).']
2019-08-27T14:01:12.935+03:00 ERROR o.a.c.c.C.[.[.[.[grailsDispatcherServlet] - Servlet.service() for servlet [grailsDispatcherServlet] in context with path [] threw exception [Could not resolve view with name '/tool/error' in servlet with name 'grailsDispatcherServlet'] with root cause

2019-08-27T14:01:12.940+03:00 ERROR o.a.c.c.C.[.[.[.[grailsDispatcherServlet] - Servlet.service() for servlet [grailsDispatcherServlet] threw exception

2019-08-27T14:01:12.940+03:00 ERROR o.a.c.c.C.[Tomcat].[localhost] - Exception Processing ErrorPage[errorCode=500, location=/error]

Sory for wrong guidance before.

Regards.

Adon Irani

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Aug 27, 2019, 10:06:41 AM8/27/19

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Hi everyone,

Thanks for all the hard work on the beta 19 upgrade!

I found my problem... (it was user error on my part ultimately)

Upgrade alone didn't fix it -- I'm still getting the same issue with the LTI handshake:

2019-08-27T13:46:59.876Z DEBUG o.b.lti.controllers.ToolController - Calculated: X+kSHhZsD02LNjPuahP21BG4GBkEWbFB3wFyi7cE0Ek= Received: L7ziCeH8uq/wOhOsKnVHGD+Iito=
2019-08-27T13:46:59.876Z DEBUG o.b.lti.controllers.ToolController - The message has NOT a valid signature.
2019-08-27T13:46:59.877Z DEBUG o.b.lti.controllers.ToolController - Error [resultMessageKey:'InvalidSignature', resultMessage:'Invalid signature (L7ziCeH8uq/wOhOsKnVHGD+Iito=).']

Based on Erkan's comments... my config files are:

-rw-r--r-- 1 tomcat7 tomcat7 2645 Aug 25 06:50 /var/lib/tomcat7/webapps/lti/WEB-INF/classes/lti-config.properties

and

-rw-r--r-- 1 bigbluebutton bigbluebutton 2641 Aug 27 13:45 /usr/share/bbb-lti/WEB-INF/classes/lti-config.properties

But i realized i had configured by Canvas LMS instance incorrectly.

For the domain i put just the domain, and the the salt i put the actual salt (previously i believe i entered the secret instead)

I also ensured the salt is consistent across:

/var/lib/tomcat7/webapps/lti/WEB-INF/classes/lti-config.properties

/usr/share/bbb-lti/WEB-INF/classes/lti-config.properties

and

/usr/share/bbb-web/WEB-INF/classes/bigbluebutton.properties

Hope this helps you Erkan!

And as always, Fred and team -- you guys are amazing! Blessings to you for all you do

Adon

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Erkan Yetik

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Aug 27, 2019, 11:29:13 AM8/27/19

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Hi Adon, These is my configuration steps on Canvas LMS. Can you check my steps please?

bbb-conf --lti response example :

URL: http://mydomain.com/lti/tool
Customer: bbb
Secret: 123123123123
Icon URL: http://mydomain.com/lti/images/icon.ico

1.account-2. settings-3. apps-4. add app.

Configuration type: by Url (My domain/lti/tool.xml)

Name : Doesnt matter

Consumer Key: bbb

Shared Secret: 123123123123 (not real)

Config url: http://mydomain.com/lti/tool

I have the same error, ı tried everything for credentials, domains,ips.

Thanks for your help Adon.

If you have some question about Canvas LMS instance or something else please let me know.

Regards...

Erkan

Adon Irani <adon...@gmail.com>, 27 Ağu 2019 Sal, 17:06 tarihinde şunu yazdı:

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Adon Irani

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Aug 27, 2019, 12:01:40 PM8/27/19

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Hi Erkan,

I configured from the admin root account under plugins:

So just the domain (not the /lti/tool)

And for the secret, I used the salt (not the secret from the /usr/share/bbb-lti/WEB-INF/classes/lti-config.properties, but the salt from /usr/share/bbb-web/WEB-INF/classes/bigbluebutton.properties)

Does that make a difference?

Adon

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Fred Dixon

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Aug 27, 2019, 4:24:48 PM8/27/19

to BigBlueButton-dev

Hi Adon,

Have you setup an instance of Canvas? If so, you don't need to use LTI. As you've found, Canvas has a built-in integration with BigBlueButton (which they call Canvas Conferences).

Knowing that you are using Canvas, you don't actually need to install the bbb-lti tool. All you need is the output from

bbb-conf --secret

and give the hostname (as domain) and shared secret to the configuration for Canvas Conferences.

> Thanks for all the hard work on the beta 19 upgrade!

If you want to contribute back, take a moment and share your experience

http://docs.bigbluebutton.org/#spreading-the-word

We've been working hard on BigBlueButton 2.2-beta and would appreciate any good words on social media to increase interest in the project.

Regards,... Fred

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Adon Irani

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Aug 27, 2019, 4:46:46 PM8/27/19

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ha! isn't that interesting. Thank you Fred!

I must have configured both...

I did set-up the conferences via the root account plug-ins. I'm seeing this works even if the bbb-lti service is stopped.

Then i had added as an external LTI tool. That only works if the bbb-lti service is running.

That's great! So does mean if i remove bbb-lti and bbb-demo, can I also remove tomcat7?

(i believe i read that tomcat7 was now only required for the LTI and demo... is that correct?)

Adon

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Fred Dixon

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Aug 27, 2019, 5:01:10 PM8/27/19

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Hi Adon,

> That's great! So does mean if i remove bbb-lti and bbb-demo, can I also remove tomcat7?

Actually, you don't need tomcat7 anymore for bbb-lti (it runs as its own process). The only package left that uses tomcat7 is bbb-demo. If you don't have bbb-demo installed, you don't need tomcat7.

Regards,... Fred

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Erkan Yetik

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Aug 27, 2019, 5:44:55 PM8/27/19

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Hi all, i need bbb-lti, and i still have same problem. Adon, did you really configure as external lti tool BBB? And how :) what was your configuration steps?

27 Ağu 2019 Sal 23:01 tarihinde Fred Dixon <ffd...@gmail.com> şunu yazdı:

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Adon Irani

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Aug 27, 2019, 6:31:49 PM8/27/19

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Hi Erkan,

In your sub-account you can go Settings > Apps > + App, and configure that way. But as Fred suggests, you can simply go to the Root Account and enable BigBlueButton under Plugins.

What made the difference for me was entering the values from bbb-conf --secret

This fixed the 500 error.

Hope this helps!

Adon

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Erkan Y.

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Aug 28, 2019, 1:49:37 AM8/28/19

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Hi Adon, i already use bbbplugin under root account, but for many users we need many bbb servers. That why i want to integrate bbb as an external tool Lti.

Regards...

Erkan

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Erkan Y.

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Sep 3, 2019, 5:35:08 AM9/3/19

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An update.

I close the LTI credentials in lti.config.properties and now it working unsafe mode and the log says Parameter custom_record was not sent; immediately redirecting to BBB session and join the room. If i send parameter "record= true" and give internal 500 error . The log is below.

bbb-lti.log

Checking for required parameters
2019-09-03T10:17:33.510+03:00 DEBUG o.b.lti.controllers.ToolController - Access not restricted, valid signature is not required.
2019-09-03T10:17:33.510+03:00 DEBUG o.b.lti.controllers.ToolController - LTI service running in extended mode.
2019-09-03T10:17:33.511+03:00 DEBUG o.b.BigbluebuttonService - doAPICall.call: https://xxx.com/bigbluebutton/api/getRecordings?meetingID=18fef0f055907a00fea2ac77800d1673b6475448&checksum=281440852ea2fb1b99c4b83df4c3d530c9bf4edb
2019-09-03T10:17:33.654+03:00 ERROR o.a.c.c.C.[.[.[.[grailsDispatcherServlet] - Servlet.service() for servlet [grailsDispatcherServlet] in context with path [] threw exception [Could not resolve view with name '/tool/index' in servlet with name 'grailsDispatcherServlet'] with root cause
javax.servlet.ServletException: Could not resolve view with name '/tool/index' in servlet with name 'grailsDispatcherServlet'

As i understand, it wants to redirect Lti index page and not found it or it is permisssion issue. But i can't find the index file. My server bbb-lti files are in "/usr/share/bbb-lti/WEB-INF/classes/" instead of "var/lib/tomcat7/webapps/lti/WEB-INF/classes".

Any one can help me? Thanks...

Erkan Yetik

Eskişehir Osmangazi University

Distance Education Center

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Fred Dixon

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Sep 9, 2019, 7:32:36 AM9/9/19

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Hi Erkan,

> My server bbb-lti files are in "/usr/share/bbb-lti/WEB-INF/classes/" instead of "var/lib/tomcat7/webapps/lti/WEB-INF/classes".

On a clean install of BigBlueButton 2.2, can you compare the contents of

/usr/share/bbb-lti/WEB-INF/classes/lti-config.properties

with the same file in the older 2.0 server

var/lib/tomcat7/webapps/lti/WEB-INF/classes/lti-config.properties

> My server bbb-lti files are in "/usr/share/bbb-lti/WEB-INF/classes/" instead of "var/lib/tomcat7/webapps/lti/WEB-INF/classes".

On a BigBlueButton 2.2 server you want the configuration files in /usr/share/bbb-lti/WEB-INF/classes (the old directory is not used).

Can you also post the output of

dpkg -l | grep bbb

Regards,... Fred

On Mon, Sep 9, 2019 at 4:48 AM Erkan Y. <erkany...@gmail.com> wrote:

An another update,

Clean install bbb 2.2 beta -19 has lti connection error. As i described above. If we first install bbb 2.0 and upgrade from bbb2.0 to bbb2.2 lti page is works but clean install 2.2 not. Thanks for your attention and helps.

I think the problem was that:

As i understand, it wants to redirect Lti index page and not found it or it is permisssion issue. My server bbb-lti files are in "/usr/share/bbb-lti/WEB-INF/classes/" instead of "var/lib/tomcat7/webapps/lti/WEB-INF/classes".

Erkan Yetik
Eskişehir Osmangazi University
Distance Education Center

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Erkan Yetik

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Sep 9, 2019, 9:19:13 AM9/9/19

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Hi Fred, below is the dpkg -l | grep bbb output from lti not working server.

And my mistake is upgrade from 2.0 to 2.2 server is also not works. İf record=true parameters not send bbb session starts but if send record =true parameters lti page not loading.

ii bbb-apps 1:2.2.0-30 amd64 BigBlueButton applications for Red5

ii bbb-apps-akka 2.2.0-57 all BigBlueButton Apps (Akka)
ii bbb-apps-screenshare 1:2.2.0-30 amd64 BigBlueButton screenshare module for Red5
ii bbb-apps-sip 1:2.2.0-11 amd64 BigBlueButton SIP module for Red5
ii bbb-apps-video 1:2.2.0-28 amd64 BigBlueButton video module for Red5
ii bbb-apps-video-broadcast 1:2.2.0-8 amd64 BigBlueButton video broadcast module for Red5
ii bbb-client 1:2.2.0-33 amd64 BigBlueButton Flash client
ii bbb-config 1:2.2.0-110 amd64 BigBlueButton configuration utilities
ii bbb-etherpad 1:2.2.0-45 amd64 The EtherPad Lite components for BigBlueButton
ii bbb-freeswitch-core 2:2.2.0-33 amd64 BigBlueButton build of FreeSWITCH
ii bbb-freeswitch-sounds 1:1.6.7-6 amd64 FreeSWITCH Sounds
ii bbb-fsesl-akka 2.2.0-38 all BigBlueButton FS-ESL (Akka)
ii bbb-html5 1:2.2.0-687 amd64 The HTML5 components for BigBlueButton
ii bbb-lti 1:2.2.0-31 amd64 BigBlueButton endpoint for LTI
ii bbb-mkclean 1:0.8.7-3 amd64 Clean and optimize Matroska and WebM files
ii bbb-playback-presentation 1:2.2.0-20 amd64 BigBluebutton playback of presentation
ii bbb-record-core 1:2.2.0-42 amd64 BigBlueButton record and playback
ii bbb-red5 1:1.0.10-16 amd64 The Red5 server for BigBlueButton
ii bbb-swftools 1:0.9.2-2 amd64 The swftools files for BigBlueButton
ii bbb-transcode-akka 2.2.0-8 all BigBlueButton Transcoder
ii bbb-web 1:2.2.0-102 amd64 BigBlueButton API
ii bbb-webrtc-sfu 1:2.2.0-72 amd64 BigBlueButton WebRTC SFU
ii bigbluebutton 1:2.2.0-4 amd64 Open source web conferencing platform (bbb)

Erkan Yetik

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Sep 10, 2019, 3:30:58 AM9/10/19

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update:

Lti service works on this server: Upgraded from bbb 2.0 rc13 to bbb2.2 beta -19. The server uses /var/lib/tomcat7/webapps/lti/WEB-INF/classes/lti-config.properties instead of /usr/share..../lti-config.properties.

This is the working servers (Upgraded from old version) output of dpkg -l | grep bbb ;

ii bbb-apps 1:2.2.0-30 amd64 BigBlueButton applications for Red5
ii bbb-apps-akka 2.2.0-57 all BigBlueButton Apps (Akka)
ii bbb-apps-screenshare 1:2.2.0-30 amd64 BigBlueButton screenshare module for Red5
ii bbb-apps-sip 1:2.2.0-11 amd64 BigBlueButton SIP module for Red5
ii bbb-apps-video 1:2.2.0-28 amd64 BigBlueButton video module for Red5
ii bbb-apps-video-broadcast 1:2.2.0-8 amd64 BigBlueButton video broadcast module for Red5
ii bbb-client 1:2.2.0-33 amd64 BigBlueButton Flash client
ii bbb-config 1:2.2.0-110 amd64 BigBlueButton configuration utilities

ii bbb-demo 1:2.2.0-9 amd64 BigBlueButton API demos

ii bbb-etherpad 1:2.2.0-45 amd64 The EtherPad Lite components for BigBlueButton
ii bbb-freeswitch-core 2:2.2.0-33 amd64 BigBlueButton build of FreeSWITCH

ii bbb-freeswitch-sounds 1:1.6.7-9 amd64 FreeSWITCH Sounds

ii bbb-fsesl-akka 2.2.0-38 all BigBlueButton FS-ESL (Akka)
ii bbb-html5 1:2.2.0-687 amd64 The HTML5 components for BigBlueButton
ii bbb-lti 1:2.2.0-31 amd64 BigBlueButton endpoint for LTI

ii bbb-mkclean 1:0.8.7-4 amd64 Clean and optimize Matroska and WebM files

ii bbb-playback-presentation 1:2.2.0-20 amd64 BigBluebutton playback of presentation
ii bbb-record-core 1:2.2.0-42 amd64 BigBlueButton record and playback
ii bbb-red5 1:1.0.10-16 amd64 The Red5 server for BigBlueButton
ii bbb-swftools 1:0.9.2-2 amd64 The swftools files for BigBlueButton
ii bbb-transcode-akka 2.2.0-8 all BigBlueButton Transcoder
ii bbb-web 1:2.2.0-102 amd64 BigBlueButton API
ii bbb-webrtc-sfu 1:2.2.0-72 amd64 BigBlueButton WebRTC SFU
ii bigbluebutton 1:2.2.0-4 amd64 Open source web conferencing platform (bbb)

And this is the lti service not working servers (Clean install bbb2.2 beta-19)output of dpkg -l | grep bbb ;

The differences of lti-config.properties ;

New one has canvas placements and appname parameter, old one not have canvasplacement and app name parameter.

Regards...

Erkan Yetik

Eskisehir Osmangazi University TURKEY

Distance Education Center

Fred Dixon

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Sep 10, 2019, 7:45:53 AM9/10/19

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Hi Erkan,

We're going to take a closer look at bbb-lti in the latest build to see why your still getting the 500 errors.

Regards,... Fred

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