[cas-user] CAS client for Java 3.3.3 and Saml11TicketValidationFilter example?

[Baron Fujimoto]

Is there any current documentation for using the Java CAS client 3.3.3
with the Saml11TicketValidationFilter example?

The CAS Client for Java 3.1 wiki page at
<https://wiki.jasig.org/display/CASC/CAS+Client+for+Java+3.1> indicates
that the latest version of the client is 3.3.3 should be used.[*]

The configuration for the Saml11TicketValidationFilter example described at
<https://wiki.jasig.org/display/CASC/Saml11TicketValidationFilter+Example>
works with Java CAS client 3.2.1.

When I try to use 3.3.3 though, it starts throwing exceptions.

04-May-2016 14:09:16.235 SEVERE [localhost-startStop-1] org.apache.catalina.core.StandardContext.filterStart Exception starting filter CAS Validation Filter
java.lang.NoClassDefFoundError: org/opensaml/common/IdentifierGenerator

I think I resolved this by updating opensaml-1.1b.jar with
opensaml-2.6.4.jar.

Then it threw this exception.

04-May-2016 14:51:10.138 SEVERE [localhost-startStop-1] org.apache.catalina.core.StandardContext.filterStart Exception starting filter CAS Validation Filter
java.lang.NoClassDefFoundError: org/apache/commons/httpclient/protocol/ProtocolSocketFactory

Which I think was resolved by adding commons-httpclient-3.1.jar.

But now I'm stuck at

04-May-2016 15:10:22.810 SEVERE [localhost-startStop-1] org.apache.catalina.core.StandardContext.filterStart Exception starting filter CAS Validation Filter
java.lang.ExceptionInInitializerError
at org.jasig.cas.client.validation.Saml11TicketValidationFilter.getTicketValidator(Saml11TicketValidationFilter.java:54)
at org.jasig.cas.client.validation.AbstractTicketValidationFilter.initInternal(AbstractTicketValidationFilter.java:142)
at org.jasig.cas.client.validation.Saml11TicketValidationFilter.initInternal(Saml11TicketValidationFilter.java:44)
at org.jasig.cas.client.util.AbstractCasFilter.init(AbstractCasFilter.java:75)
at org.apache.catalina.core.ApplicationFilterConfig.initFilter(ApplicationFilterConfig.java:279)
at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:260)
at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:105)
at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4658)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5277)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:725)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:701)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:717)
at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1092)
at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1834)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.IllegalArgumentException: InputStream cannot be null
at javax.xml.parsers.DocumentBuilder.parse(DocumentBuilder.java:117)
at org.opensaml.xml.parse.BasicParserPool$DocumentBuilderProxy.parse(BasicParserPool.java:672)
at org.opensaml.xml.parse.BasicParserPool.parse(BasicParserPool.java:216)
at org.opensaml.xml.XMLConfigurator.load(XMLConfigurator.java:142)
at org.opensaml.DefaultBootstrap.initializeXMLTooling(DefaultBootstrap.java:224)
at org.opensaml.DefaultBootstrap.initializeXMLTooling(DefaultBootstrap.java:207)
at org.opensaml.DefaultBootstrap.bootstrap(DefaultBootstrap.java:100)
at org.jasig.cas.client.validation.Saml11TicketValidator.<clinit>(Saml11TicketValidator.java:60)
... 20 more

Unfortunately the only documentation I can find for this is several years
old at this point and doesn't seem to address this. Does anyone have any
suggestions on how to get Saml11TicketValidator example working with the
3.3.3 client?

[*] I also find references to 3.4.1 at
<http://mvnrepository.com/artifact/org.jasig.cas.client/cas-client/3.4.1>
but I haven't found a distribution there like there was for 3.3.3 and I'm too
much of a noob to figure out how to build it from what I can find there.

Aloha,
-baron
--
Baron Fujimoto <ba...@hawaii.edu> :: UH Information Technology Services
minutas cantorum, minutas balorum, minutas carboratum desendus pantorum

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[Misagh Moayyed]

Docs should be here:
https://github.com/Jasig/java-cas-client

Sample I use and configure mostly:
https://github.com/UniconLabs/cas-sample-java-webapp/blob/master/pom.xml

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[Baron Fujimoto]

Thanks! I was able to build the client, which resulted in
cas-client-core-3.4.2-SNAPSHOT.jar

However, I still encountered the error

05-May-2016 16:56:46.328 SEVERE [localhost-startStop-1] org.apache.catalina.core.StandardContext.filterStart Exception starting filter CAS Validation Filter
java.lang.ClassNotFoundException: org.jasig.cas.client.validation.Saml11TicketValidationFilter

This puzzled me until I realized upon examination of the Unicon sample
pom.xml that apparently saml stuff had been factored out from the earlier
versions of the client. Once I added
cas-client-support-saml-3.4.2-SNAPSHOT.jar to the tomcat's libs, it
worked.

Aloha,
-baron

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