On 05/16/09 09:44 AM, Nicolás Lichtmaier wrote:
> I'm trying to use ehcache as a cache provider in Hibernate. Ehcache
> loads its configuration from an xml included in its jar, but I'm
> getting this exception on application deployment:
>
> INFO: building session factory
> GRAVE: Exception while invoking class
> org.glassfish.persistence.jpa.JPADeployer prepare method
> java.lang.NullPointerException
Can you try with a more recent GlassFish v3 build and see if you can
reproduce the NPE?
Line 2230 of WebappClassLoader.java currently reads like this:
ResourceEntry entry = null;
which will never cause any NPE.
Thanks,
Jan
> at
> org.glassfish.web.loader.WebappClassLoader.findResourceInternalFromJars(WebappClassLoader.java:2230)
> at
> org.glassfish.web.loader.WebappClassLoader.findResourceInternal(WebappClassLoader.java:2060)
> at
> org.glassfish.web.loader.WebappClassLoader.findResource(WebappClassLoader.java:1050)
> at
> org.glassfish.web.loader.WebappClassLoader.getResource(WebappClassLoader.java:1192)
> at java.lang.Class.getResource(Class.java:2074)
> at
> net.sf.ehcache.config.ConfigurationFactory.parseConfiguration(ConfigurationFactory.java:125)
> at
> net.sf.ehcache.CacheManager.parseConfiguration(CacheManager.java:241)
> at net.sf.ehcache.CacheManager.init(CacheManager.java:190)
> at net.sf.ehcache.CacheManager.<init>(CacheManager.java:183)
> at org.hibernate.cache.EhCacheProvider.start(EhCacheProvider.java:131)
> at
> org.hibernate.cache.impl.bridge.RegionFactoryCacheProviderBridge.start(RegionFactoryCacheProviderBridge.java:72)
> at
> org.hibernate.impl.SessionFactoryImpl.<init>(SessionFactoryImpl.java:215)
> at
> org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1327)
> at
> org.hibernate.cfg.AnnotationConfiguration.buildSessionFactory(AnnotationConfiguration.java:867)
> at
> org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:669)
> at
> org.hibernate.ejb.HibernatePersistence.createContainerEntityManagerFactory(HibernatePersistence.java:132)
> at
> org.glassfish.persistence.jpa.JPAApplication.loadPU(JPAApplication.java:200)
> at
> org.glassfish.persistence.jpa.JPAApplication.loadAllPus(JPAApplication.java:156)
> at
> org.glassfish.persistence.jpa.JPAApplication.<init>(JPAApplication.java:92)
> at
> org.glassfish.persistence.jpa.JPADeployer.prepare(JPADeployer.java:121)
> at
> com.sun.enterprise.v3.server.ApplicationLifecycle.prepare(ApplicationLifecycle.java:447)
> at
> com.sun.enterprise.v3.server.ApplicationLifecycle.deploy(ApplicationLifecycle.java:173)
> at
> org.glassfish.deployment.admin.DeployCommand.execute(DeployCommand.java:329)
> at
> com.sun.enterprise.v3.admin.CommandRunner$2.execute(CommandRunner.java:302)
> at
> com.sun.enterprise.v3.admin.CommandRunner.doCommand(CommandRunner.java:312)
> at
> com.sun.enterprise.v3.admin.CommandRunner.doCommand(CommandRunner.java:119)
> at
> com.sun.enterprise.v3.admin.CommandRunner.doCommand(CommandRunner.java:99)
> at
> com.sun.enterprise.v3.admin.AdminAdapter.doCommand(AdminAdapter.java:250)
> at
> com.sun.enterprise.v3.admin.AdminAdapter.service(AdminAdapter.java:176)
> at
> com.sun.grizzly.tcp.http11.GrizzlyAdapter.service(GrizzlyAdapter.java:147)
> at
> com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:180)
> at
> com.sun.grizzly.http.DefaultProcessorTask.invokeAdapter(DefaultProcessorTask.java:633)
> at
> com.sun.grizzly.http.DefaultProcessorTask.doProcess(DefaultProcessorTask.java:570)
> at
> com.sun.grizzly.http.DefaultProcessorTask.process(DefaultProcessorTask.java:827)
> at
> com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:152)
> at
> com.sun.enterprise.v3.services.impl.GlassfishProtocolChain.executeProtocolFilter(GlassfishProtocolChain.java:71)
> at
> com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:103)
> at
> com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:89)
> at
> com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:76)
> at
> com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:67)
> at
> com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:56)
> at
> com.sun.grizzly.util.WorkerThreadImpl.processTask(WorkerThreadImpl.java:325)
> at
> com.sun.grizzly.util.WorkerThreadImpl.run(WorkerThreadImpl.java:184)
>
> Is this a known problem?
>
> Thanks!
> Nicolás.-