JSON descriptor provided, XML descriptor expected

[Alexander Küken]

Hello everyone,

I have some problems deploying a connect plugin in a local confluence instance for developing and testing. As stated in the Connect 1.0.1 release note, I start confluence with the following command:

atlas-run-standalone --product confluence --version 5.4-OD-20-007 --bundled-plugins com.atlassian.plugins:atlassian-connect-plugin:1.0.1,com.atlassian.jwt:jwt-plugin:1.0.0,com.atlassian.bundles:json-schema-validator-atlassian-bundle:1.0-m0 --jvmargs -Datlassian.upm.on.demand=true

After Confluence started normally, I activated private listing in the UPM configuration. If I enter the path to the JSON descriptor in the "Upload Add-On" dialog, the installation results in an error. According to the confluence log, there is a XML parsing exception. Looks like confluence is not recognizing I try to use a JSON descriptor and still expects the XML descriptor.

I am using the actual version of the SDK, it's a fresh development machine and a new plugin project. So there should be nothing left from previouse versions.

Any ideas?

With best regards,

Alexander

[Tim Pettersen]

Hi Alexander,

I'm having a little trouble reproducing your issue. Would you mind sending through the Confluence logs with the XML parsing exception?

Also, could you clarify:

enter the path to the JSON descriptor in the "Upload Add-On" dialog

What is the path that you are entering? (i.e. is it a file system path, URL to a descriptor hosted on marketplace (via the private listings feature) or a URL to a descriptor hosted elsewhere? 

cheers,

Tim

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[Alexander Küken]

Hi Tim,

thank you for your answer. The path I enter is the URL to the descriptor hosted on a local Rails instance. If I open the URL in the browser (http://127.0.0.1:3000/atlassian-connect.json) i receive the descriptor as expected:

{
     "name": "Hello World",
     "description": "Hello World Test Plugin",
     "key": "net.kueken.connect.hello_world",
     "baseUrl": "http://localhost:3000",
     "vendor": {
         "name": "Alexander Küken",
         "url": "http://www.kueken.net"
     },
     "authentication": {
         "type": "none"
     },
     "version": "1.0",
     "modules": {
         "generalPages": [
             {
                 "url": "/helloworld.html",
                 "key": "hello-world",
                 "name": {
                     "value": "Greeting"
                 }
             }
         ]
     }
 }

Here are screenshots of the upload dialog and the error message

And the log entries:

2014-04-22 23:33:00,890 WARN [UpmAsynchronousTaskManager:thread-3] [connect.plugin.installer.DefaultConnectAddOnInstaller] installPlugin Unable to install remote plugin 'net.kueken.connect.hello_world' by user 'admin'

 -- referer: http://127.0.0.1:1990/confluence/plugins/servlet/upm | url: /confluence/rest/plugins/1.0/ | userName: admin

2014-04-22 23:33:00,891 ERROR [UpmAsynchronousTaskManager:thread-3] [connect.plugin.installer.ConnectUPMInstallHandler] installPlugin Failed to install plugin.8137752420954285752.atlassian-connect.json: com.atlassian.plugin.PluginParseException: Cannot parse XML plugin descriptor

 -- referer: http://127.0.0.1:1990/confluence/plugins/servlet/upm | url: /confluence/rest/plugins/1.0/ | userName: admin

com.atlassian.plugin.connect.spi.InstallationFailedException: com.atlassian.plugin.PluginParseException: Cannot parse XML plugin descriptor

at com.atlassian.plugin.connect.plugin.installer.DefaultConnectAddOnInstaller.install(DefaultConnectAddOnInstaller.java:170)

at com.atlassian.plugin.connect.plugin.installer.ConnectUPMInstallHandler.installPlugin(ConnectUPMInstallHandler.java:123)

at com.atlassian.upm.core.install.DefaultPluginInstallationService.execute(DefaultPluginInstallationService.java:108)

at com.atlassian.upm.core.install.DefaultPluginInstallationService.install(DefaultPluginInstallationService.java:84)

at com.atlassian.upm.install.UpmPluginInstallationService.install(UpmPluginInstallationService.java:93)

at com.atlassian.upm.core.rest.resources.install.InstallTask.installFromFile(InstallTask.java:119)

at com.atlassian.upm.core.rest.resources.install.InstallRemotePluginTask.executeTask(InstallRemotePluginTask.java:59)

at com.atlassian.upm.core.rest.resources.install.InstallTask.call(InstallTask.java:55)

at com.atlassian.upm.core.rest.resources.install.InstallTask.call(InstallTask.java:30)

at com.atlassian.upm.core.rest.async.AsynchronousTaskManager$1.call(AsynchronousTaskManager.java:77)

at com.atlassian.upm.core.rest.async.AsynchronousTaskManager$1.call(AsynchronousTaskManager.java:72)

at com.atlassian.sal.core.executor.ThreadLocalDelegateCallable.call(ThreadLocalDelegateCallable.java:42)

at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)

at java.util.concurrent.FutureTask.run(FutureTask.java:138)

at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)

at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)

at java.lang.Thread.run(Thread.java:695)

Caused by: com.atlassian.plugin.PluginParseException: Cannot parse XML plugin descriptor

at com.atlassian.plugin.parsers.XmlDescriptorParser.createDocument(XmlDescriptorParser.java:85)

at com.atlassian.plugin.parsers.XmlDescriptorParser.<init>(XmlDescriptorParser.java:72)

at com.atlassian.plugin.parsers.XmlDescriptorParserFactory.getInstance(XmlDescriptorParserFactory.java:28)

at com.atlassian.plugin.factories.AbstractPluginFactory.getPluginKeyFromDescriptor(AbstractPluginFactory.java:82)

at com.atlassian.plugin.factories.AbstractPluginFactory.canCreate(AbstractPluginFactory.java:47)

at com.atlassian.plugin.loaders.ScanningPluginLoader.canLoad(ScanningPluginLoader.java:310)

at com.atlassian.plugin.loaders.ForwardingPluginLoader.canLoad(ForwardingPluginLoader.java:74)

at com.atlassian.plugin.manager.DefaultPluginManager.validatePlugin(DefaultPluginManager.java:481)

at com.atlassian.plugin.manager.DefaultPluginManager.installPlugins(DefaultPluginManager.java:447)

at com.atlassian.confluence.plugin.EventDispatchingPluginController.installPlugins(EventDispatchingPluginController.java:89)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

at java.lang.reflect.Method.invoke(Method.java:597)

at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:307)

at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:182)

at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:149)

at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:106)

at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)

at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)

at com.sun.proxy.$Proxy51.installPlugins(Unknown Source)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

at java.lang.reflect.Method.invoke(Method.java:597)

at com.atlassian.plugin.osgi.hostcomponents.impl.DefaultComponentRegistrar$ContextClassLoaderSettingInvocationHandler.invoke(DefaultComponentRegistrar.java:129)

at com.sun.proxy.$Proxy297.installPlugins(Unknown Source)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

at java.lang.reflect.Method.invoke(Method.java:597)

at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:307)

at org.springframework.osgi.service.importer.support.internal.aop.ServiceInvoker.doInvoke(ServiceInvoker.java:58)

at org.springframework.osgi.service.importer.support.internal.aop.ServiceInvoker.invoke(ServiceInvoker.java:62)

at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)

at org.springframework.aop.support.DelegatingIntroductionInterceptor.doProceed(DelegatingIntroductionInterceptor.java:131)

at org.springframework.aop.support.DelegatingIntroductionInterceptor.invoke(DelegatingIntroductionInterceptor.java:119)

at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)

at org.springframework.osgi.service.util.internal.aop.ServiceTCCLInterceptor.invokeUnprivileged(ServiceTCCLInterceptor.java:56)

at org.springframework.osgi.service.util.internal.aop.ServiceTCCLInterceptor.invoke(ServiceTCCLInterceptor.java:39)

at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)

at org.springframework.osgi.service.importer.support.LocalBundleContextAdvice.invoke(LocalBundleContextAdvice.java:59)

at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)

at org.springframework.aop.support.DelegatingIntroductionInterceptor.doProceed(DelegatingIntroductionInterceptor.java:131)

at org.springframework.aop.support.DelegatingIntroductionInterceptor.invoke(DelegatingIntroductionInterceptor.java:119)

at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)

at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)

at com.sun.proxy.$Proxy2159.installPlugins(Unknown Source)

at com.atlassian.plugin.connect.plugin.installer.DefaultConnectAddOnInstaller.installPlugin(DefaultConnectAddOnInstaller.java:214)

at com.atlassian.plugin.connect.plugin.installer.DefaultConnectAddOnInstaller.install(DefaultConnectAddOnInstaller.java:117)

... 16 more

Caused by: org.dom4j.DocumentException: Error on line 2 of document  : Invalid byte 1 of 1-byte UTF-8 sequence. Nested exception: Invalid byte 1 of 1-byte UTF-8 sequence.

at org.dom4j.io.SAXReader.read(SAXReader.java:355)

at org.dom4j.io.SAXReader.read(SAXReader.java:261)

at com.atlassian.plugin.parsers.XmlDescriptorParser.createDocument(XmlDescriptorParser.java:81)

... 65 more

Cheers,

Alexander

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[Tim Pettersen]

Hi Alexander,

Thanks for the quick response! I'm still investigating, but I have a hunch this may be an encoding bug. Could you try replacing the umlaut diacritic ü with an unaccented u and seeing if you can reproduce the issue? I'll continue trying to reproduce on my end.

cheers,

Tim

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[Seb Ruiz]

Hi Alexander,

Could you also please tell us which version of the Universal Plugin Manager is installed? It should be located at the bottom of the manage plugins screen.

Thanks

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Atlassian

[Alexander Küken]

Hi Tim, Hi Seb,

Problem solved, it really was the umlaut. I removed it and now it is working as expected. UPM version is 2.15.0

Thank you for your help.

Cheers,

Alexander

[Tim Pettersen]

Hi again Alexander,

Great to hear you're back up and running! That said, I'd like to ensure Connect is resilient to unexpected encodings and I couldn't reproduce this locally (despite trying a whole range of popular encodings). Would you mind sending me the entire raw response, including headers, that your rails app returns for atlassian-connect.json (with the umlaut), so I can debug further? 

Using cURL, you could do the following:

curl -v http://127.0.0.1:3000/atlassian-connect.json > response.txt

And send me both the console output and the generated response.txt. I'm also curious as to what operating system you're running on?

cheers,

Tim

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[Alexander Küken]

Hi Tim,

the machine is running with Mac OS X 10.9.2. The template for the plugin descriptor uses UTF-8 as encoding and Rails deliver it with the same encoding. Here the console output of the curl command:

* About to connect() to 127.0.0.1 port 3000 (#0)

*   Trying 127.0.0.1...

* Adding handle: conn: 0x7fc6cc821000

* Adding handle: send: 0

* Adding handle: recv: 0

* Curl_addHandleToPipeline: length: 1

* - Conn 0 (0x7fc6cc821000) send_pipe: 1, recv_pipe: 0

  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current

                                 Dload  Upload   Total   Spent    Left  Speed

  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0* Connected to 127.0.0.1 (127.0.0.1) port 3000 (#0)

> GET /atlassian-connect.json HTTP/1.1

> User-Agent: curl/7.30.0

> Host: 127.0.0.1:3000

> Accept: */*

> 

< HTTP/1.1 200 OK 

< X-Frame-Options: SAMEORIGIN

< X-Xss-Protection: 1; mode=block

< X-Content-Type-Options: nosniff

< Content-Type: application/json; charset=utf-8

< Etag: "c297e6bf6433cf82a6b68e56a5dc499c"

< Cache-Control: max-age=0, private, must-revalidate

< X-Request-Id: 0fbdb94f-ec4d-4e54-b8cb-46ddbb6760cb

< X-Runtime: 0.005554

* Server WEBrick/1.3.1 (Ruby/2.1.1/2014-02-24) is not blacklisted

< Server: WEBrick/1.3.1 (Ruby/2.1.1/2014-02-24)

< Date: Wed, 23 Apr 2014 18:45:30 GMT

< Content-Length: 611

< Connection: Keep-Alive

< Set-Cookie: request_method=GET; path=/

< 

{ [data not shown]

100   611  100   611    0     0  74886      0 --:--:-- --:--:-- --:--:-- 87285

* Connection #0 to host 127.0.0.1 left intact

And I attached the response file. 

Cheers,

Alexander

[Tim Pettersen]

Hi Alexander,

Thanks for that - and especially for the detailed bug bug report, screenshots and logs. It makes debugging a much easier process!

I've raised https://ecosystem.atlassian.net/browse/AC-1072 to investigate the issue further. Please watch it if you'd like further updates.

cheers,

Tim

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