Modeshape 2.4 Final and NullPointerException

[malcomtom]

dear all,

i am running Modeshape 2.4 Final on a JBoss 4.2.3 GA Server. Whenever i try to acces the webdav OR rest module via browser

(http://localhost:8080/modeshape-rest OR http://localhost:8080/modeshape-webdav)

i get the following exceptions:

Webdav:

-----------------

19:38:04,430 ERROR [WebDavServletBean] Exception: java.lang.NullPointerException

        at org.modeshape.web.jcr.spi.FactoryRepositoryProvider.getJcrRepositoryNames(FactoryRepositoryProvider.java:64)

        at org.modeshape.web.jcr.RepositoryFactory.getJcrRepositoryNames(RepositoryFactory.java:94)

        at org.modeshape.web.jcr.webdav.ModeShapeWebdavStore$JcrSessionTransaction.childrenFor(ModeShapeWebdavStore.java:741)

        at org.modeshape.web.jcr.webdav.ModeShapeWebdavStore.childrenFor(ModeShapeWebdavStore.java:630)

        at org.modeshape.web.jcr.webdav.ModeShapeWebdavStore.getChildrenNames(ModeShapeWebdavStore.java:292)

        at net.sf.webdav.methods.DoGet.folderBody(DoGet.java:110)

        at net.sf.webdav.methods.DoHead.execute(DoHead.java:153)

        at net.sf.webdav.WebDavServletBean.service(WebDavServletBean.java:128)

        at org.modeshape.web.jcr.webdav.ModeShapeWebdavServlet.service(ModeShapeWebdavServlet.java:110)

        at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)

        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)

        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)

        at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)

        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)

        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)

        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)

        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)

        at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:182)

        at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:524)

        at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)

        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)

        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)

        at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)

        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)

        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262)

        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)

        at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)

        at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446)

        at java.lang.Thread.run(Thread.java:662)

Rest:

-----------------

19:46:51,628 ERROR [[Resteasy]] Servlet.service() for servlet Resteasy threw exception

org.jboss.resteasy.spi.UnhandledException: java.lang.NullPointerException

        at org.jboss.resteasy.core.SynchronousDispatcher.handleApplicationException(SynchronousDispatcher.java:263)

        at org.jboss.resteasy.core.SynchronousDispatcher.handleException(SynchronousDispatcher.java:169)

        at org.jboss.resteasy.core.SynchronousDispatcher.handleInvokerException(SynchronousDispatcher.java:146)

        at org.jboss.resteasy.core.SynchronousDispatcher.getResponse(SynchronousDispatcher.java:456)

        at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:418)

        at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:111)

        at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:217)

        at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:159)

        at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)

        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)

        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)

        at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)

        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)

        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)

        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)

        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)

        at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:182)

        at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:524)

        at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)

        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)

        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)

        at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)

        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)

        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262)

        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)

        at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)

        at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446)

        at java.lang.Thread.run(Thread.java:662)

Caused by: java.lang.NullPointerException

        at org.modeshape.web.jcr.spi.FactoryRepositoryProvider.getJcrRepositoryNames(FactoryRepositoryProvider.java:64)

        at org.modeshape.web.jcr.RepositoryFactory.getJcrRepositoryNames(RepositoryFactory.java:94)

        at org.modeshape.web.jcr.rest.ServerHandler.getRepositories(ServerHandler.java:27)

        at org.modeshape.web.jcr.rest.JcrResources.getRepositories(JcrResources.java:169)

        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.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:124)

        at org.jboss.resteasy.core.ResourceMethod.invokeOnTarget(ResourceMethod.java:247)

        at org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:212)

        at org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:202)

        at org.jboss.resteasy.core.SynchronousDispatcher.getResponse(SynchronousDispatcher.java:441)

        ... 24 more

Default configuration used (out-of-the-box)

Could some of you give me any hint?

Thanking you very much in advance

best regards

malcom

[bcarothers]

It would appear that your JCR URL is either invalid or (if you haven't changed it) references a file that can't be loaded from the classpath for some reason.

As a quick check, try putting this file (https://github.com/ModeShape/modeshape/blob/master/web/modeshape-web-jcr-webdav-war/src/main/resources/configRepository.xml) in the root directory of your server.  Asssuming that you haven't changed any of the web.xml files in either WAR, that should load.

If that does work, then the problem is some idisyncracy of JBoss 4 classloading.  You can work around that by cracking the WARs and editing the JCR URL parameter to point to a file in a more reasonable directory than the server root.