[opencms-dev] Example modules for version 5?

[lorenzo bolzani]

Tristan Roddis wrote:
> I am new to OpenCMS, but I am keen to start using version 5 and its JSP 
> templating.
> 
> However, I have been hampered by a lack of examples and usable code. When
> I tried to import some of the modules available on the opencms website
> (e.g. com.opencms.modules.search.lucene, NewsModule4.zip,
> website_for_oc_4.4.0.zip) I just got null pointer exceptions (I am using
> rc2).

Hi,
I'm also trying to install the news module, but without success.
I tryied to get the cvs version of the module but didn't help.
I checked out, rebuild and reinstalled opencms but I get the error below.

Any idea?


com.opencms.core.CmsException: 0 Unknown exception. Detailed error: 
CmsException ID: 0.
root cause was java.lang.NullPointerException
	at com.opencms.file.CmsImport.getConflictingFilenames(CmsImport.java:343)
	at 
com.opencms.file.CmsRegistry.importGetConflictingFileNames(CmsRegistry.java:1760)
	at 
com.opencms.workplace.CmsAdminModuleNew.importModule(CmsAdminModuleNew.java:285)
	at 
com.opencms.workplace.CmsAdminModuleNew.getContent(CmsAdminModuleNew.java:224)
	at 
com.opencms.template.cache.CmsElementXml.getContent(CmsElementXml.java:171)
	at com.opencms.template.cache.CmsUri.callCanonicalRoot(CmsUri.java:185)
	at 
com.opencms.template.cache.CmsElementCache.callCanonicalRoot(CmsElementCache.java:149)
	at 
com.opencms.launcher.CmsXmlLauncher.generateOutput(CmsXmlLauncher.java:285)
	at com.opencms.launcher.CmsXmlLauncher.launch(CmsXmlLauncher.java:341)
	at com.opencms.launcher.A_CmsLauncher.initlaunch(A_CmsLauncher.java:274)
	at com.opencms.core.OpenCms.showResource(OpenCms.java:907)
	at com.opencms.core.OpenCmsHttpServlet.doGet(OpenCmsHttpServlet.java:310)
	at com.opencms.core.OpenCmsHttpServlet.doPost(OpenCmsHttpServlet.java:331)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
	at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
	at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
	at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:256)
	at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
	at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
	at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
	at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
	at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
	at 
org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2415)
	at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
	at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
	at 
org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:171)
	at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
	at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172)
	at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
	at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
	at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
	at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
	at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
	at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:223)
	at 
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:594)
	at 
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:392)
	at 
org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:565)
	at 
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:619)
	at java.lang.Thread.run(Thread.java:536)
 >-----------
 >Root cause:
 >java.lang.NullPointerException
 >	at com.opencms.file.CmsImport.getConflictingFilenames(CmsImport.java:319)
 >	at 
com.opencms.file.CmsRegistry.importGetConflictingFileNames(CmsRegistry.java:1760)
 >	at 
com.opencms.workplace.CmsAdminModuleNew.importModule(CmsAdminModuleNew.java:285)
 >	at 
com.opencms.workplace.CmsAdminModuleNew.getContent(CmsAdminModuleNew.java:224)
 >	at 
com.opencms.template.cache.CmsElementXml.getContent(CmsElementXml.java:171)
 >	at com.opencms.template.cache.CmsUri.callCanonicalRoot(CmsUri.java:185)
 >	at 
com.opencms.template.cache.CmsElementCache.callCanonicalRoot(CmsElementCache.java:149)
 >	at 
com.opencms.launcher.CmsXmlLauncher.generateOutput(CmsXmlLauncher.java:285)
 >	at com.opencms.launcher.CmsXmlLauncher.launch(CmsXmlLauncher.java:341)
 >	at com.opencms.launcher.A_CmsLauncher.initlaunch(A_CmsLauncher.java:274)
 >	at com.opencms.core.OpenCms.showResource(OpenCms.java:907)
 >	at com.opencms.core.OpenCmsHttpServlet.doGet(OpenCmsHttpServlet.java:310)
 >	at 
com.opencms.core.OpenCmsHttpServlet.doPost(OpenCmsHttpServlet.java:331)
 >	at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
 >	at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
 >	at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
 >	at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
 >	at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:256)
 >	at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
 >	at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
 >	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
 >	at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
 >	at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
 >	at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
 >	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
 >	at 
org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2415)
 >	at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
 >	at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
 >	at 
org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:171)
 >	at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
 >	at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172)
 >	at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
 >	at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
 >	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
 >	at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
 >	at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
 >	at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
 >	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
 >	at 
org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:223)
 >	at 
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:594)
 >	at 
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:392)
 >	at 
org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:565)
 >	at 
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:619)
 >	at java.lang.Thread.run(Thread.java:536)

java.lang.NullPointerException
	at com.opencms.file.CmsImport.getConflictingFilenames(CmsImport.java:319)
	at 
com.opencms.file.CmsRegistry.importGetConflictingFileNames(CmsRegistry.java:1760)
	at 
com.opencms.workplace.CmsAdminModuleNew.importModule(CmsAdminModuleNew.java:285)
	at 
com.opencms.workplace.CmsAdminModuleNew.getContent(CmsAdminModuleNew.java:224)
	at 
com.opencms.template.cache.CmsElementXml.getContent(CmsElementXml.java:171)
	at com.opencms.template.cache.CmsUri.callCanonicalRoot(CmsUri.java:185)
	at 
com.opencms.template.cache.CmsElementCache.callCanonicalRoot(CmsElementCache.java:149)
	at 
com.opencms.launcher.CmsXmlLauncher.generateOutput(CmsXmlLauncher.java:285)
	at com.opencms.launcher.CmsXmlLauncher.launch(CmsXmlLauncher.java:341)
	at com.opencms.launcher.A_CmsLauncher.initlaunch(A_CmsLauncher.java:274)
	at com.opencms.core.OpenCms.showResource(OpenCms.java:907)
	at com.opencms.core.OpenCmsHttpServlet.doGet(OpenCmsHttpServlet.java:310)
	at com.opencms.core.OpenCmsHttpServlet.doPost(OpenCmsHttpServlet.java:331)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
	at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
	at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
	at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:256)
	at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
	at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
	at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
	at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
	at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
	at 
org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2415)
	at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
	at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
	at 
org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:171)
	at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
	at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172)
	at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
	at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
	at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
	at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
	at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
	at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:223)
	at 
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:594)
	at 
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:392)
	at 
org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:565)
	at 
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:619)
	at java.lang.Thread.run(Thread.java:536)