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From "David Sean Taylor (JIRA)" <jetspeed-...@portals.apache.org>
Subject [jira] Created: (JS2-1007) Null Pointer Exception in Page Manager File Cache
Date Wed, 13 May 2009 03:03:05 GMT
Null Pointer Exception in Page Manager File Cache
-------------------------------------------------

                 Key: JS2-1007
                 URL: https://issues.apache.org/jira/browse/JS2-1007
             Project: Jetspeed 2
          Issue Type: Bug
          Components: Profiling/Portal Navigation
    Affects Versions: 2.2.0
            Reporter: David Sean Taylor
            Assignee: David Sean Taylor
             Fix For: 2.2.0


I am seeing this error, usually on the first hit, just starting today May 12, 2009. We just
recently proposed changes to the ehcache setting since TTL and TTI are 0:

    <cache name="pageFileCache"
           maxElementsInMemory="${org.apache.jetspeed.ehcache.pagemanager.maxfiles}"
           eternal="false"
           overflowToDisk="false"
           timeToIdleSeconds="0"
           timeToLiveSeconds="0"
           memoryStoreEvictionPolicy="LFU"/>

Im going to investigate upping these values

java.lang.NullPointerException
	at org.apache.jetspeed.page.document.psml.FileSystemFolderHandler.refresh(FileSystemFolderHandler.java:733)
	at org.apache.jetspeed.cache.file.FileCache$1.notifyElementChanged(FileCache.java:209)
	at org.apache.jetspeed.cache.impl.EhCacheImpl$1.notifyElementUpdated(EhCacheImpl.java:146)
	at net.sf.ehcache.event.RegisteredEventListeners.notifyElementUpdated(RegisteredEventListeners.java:124)
	at net.sf.ehcache.Cache.put(Cache.java:697)
	at net.sf.ehcache.Cache.put(Cache.java:632)
	at org.apache.jetspeed.cache.impl.EhCacheImpl.put(EhCacheImpl.java:74)
	at org.apache.jetspeed.cache.file.FileCache.put(FileCache.java:172)
	at org.apache.jetspeed.page.document.psml.CastorFileSystemDocumentHandler.addToCache(CastorFileSystemDocumentHandler.java:681)
	at org.apache.jetspeed.page.document.psml.CastorFileSystemDocumentHandler.getDocument(CastorFileSystemDocumentHandler.java:654)
	at org.apache.jetspeed.page.document.psml.CastorFileSystemDocumentHandler.getDocument(CastorFileSystemDocumentHandler.java:158)
	at org.apache.jetspeed.page.document.psml.FileSystemFolderHandler.getFolder(FileSystemFolderHandler.java:190)
	at org.apache.jetspeed.page.document.psml.FileSystemFolderHandler.getFolder(FileSystemFolderHandler.java:128)
	at org.apache.jetspeed.om.folder.psml.FolderImpl.getAllNodes(FolderImpl.java:557)
	at org.apache.jetspeed.om.folder.psml.FolderImpl.getPageSecurity(FolderImpl.java:435)
	at org.apache.jetspeed.om.folder.psml.FolderImpl.getEffectivePageSecurity(FolderImpl.java:673)
	at org.apache.jetspeed.page.document.psml.AbstractNode.checkConstraints(AbstractNode.java:422)
	at org.apache.jetspeed.page.document.psml.AbstractNode.checkConstraints(AbstractNode.java:429)
	at org.apache.jetspeed.page.document.psml.AbstractNode.checkConstraints(AbstractNode.java:429)
	at org.apache.jetspeed.om.page.psml.AbstractBaseElement.checkConstraints(AbstractBaseElement.java:312)
	at org.apache.jetspeed.om.page.psml.AbstractBaseElement.checkAccess(AbstractBaseElement.java:505)
	at org.apache.jetspeed.page.psml.CastorXmlPageManager.getFolder(CastorXmlPageManager.java:623)
	at org.apache.jetspeed.portalsite.view.SiteView.<init>(SiteView.java:152)
	at org.apache.jetspeed.portalsite.view.SiteView.<init>(SiteView.java:290)
	at org.apache.jetspeed.portalsite.impl.PortalSiteSessionContextImpl.getSiteView(PortalSiteSessionContextImpl.java:834)
	at org.apache.jetspeed.portalsite.impl.PortalSiteSessionContextImpl.selectRequestPage(PortalSiteSessionContextImpl.java:415)
	at org.apache.jetspeed.portalsite.impl.PortalSiteSessionContextImpl.selectRequestPage(PortalSiteSessionContextImpl.java:228)
	at org.apache.jetspeed.portalsite.impl.PortalSiteRequestContextImpl.getPage(PortalSiteRequestContextImpl.java:213)
	at org.apache.jetspeed.portalsite.impl.PortalSiteRequestContextImpl.getManagedPage(PortalSiteRequestContextImpl.java:196)
	at org.apache.jetspeed.profiler.impl.ProfilerValveImpl.invoke(ProfilerValveImpl.java:244)
	at org.apache.jetspeed.pipeline.JetspeedPipeline$Invocation.invokeNext(JetspeedPipeline.java:167)
	at org.apache.jetspeed.security.impl.LoginValidationValveImpl.invoke(LoginValidationValveImpl.java:158)
	at org.apache.jetspeed.pipeline.JetspeedPipeline$Invocation.invokeNext(JetspeedPipeline.java:167)
	at org.apache.jetspeed.security.impl.PasswordCredentialValveImpl.invoke(PasswordCredentialValveImpl.java:151)
	at org.apache.jetspeed.pipeline.JetspeedPipeline$Invocation.invokeNext(JetspeedPipeline.java:167)
	at org.apache.jetspeed.localization.impl.LocalizationValveImpl.invoke(LocalizationValveImpl.java:170)
	at org.apache.jetspeed.pipeline.JetspeedPipeline$Invocation.invokeNext(JetspeedPipeline.java:167)
	at org.apache.jetspeed.security.impl.AbstractSecurityValve$1.run(AbstractSecurityValve.java:138)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAsPrivileged(Subject.java:454)
	at org.apache.jetspeed.security.JSSubject.doAsPrivileged(JSSubject.java:179)
	at org.apache.jetspeed.security.impl.AbstractSecurityValve.invoke(AbstractSecurityValve.java:132)
	at org.apache.jetspeed.pipeline.JetspeedPipeline$Invocation.invokeNext(JetspeedPipeline.java:167)
	at org.apache.jetspeed.container.url.impl.PortalURLValveImpl.invoke(PortalURLValveImpl.java:67)
	at org.apache.jetspeed.pipeline.JetspeedPipeline$Invocation.invokeNext(JetspeedPipeline.java:167)
	at org.apache.jetspeed.capabilities.impl.CapabilityValveImpl.invoke(CapabilityValveImpl.java:127)
	at org.apache.jetspeed.pipeline.JetspeedPipeline$Invocation.invokeNext(JetspeedPipeline.java:167)
	at org.apache.jetspeed.pipeline.JetspeedPipeline.invoke(JetspeedPipeline.java:146)
	at org.apache.jetspeed.engine.JetspeedEngine.service(JetspeedEngine.java:225)
	at org.apache.jetspeed.engine.JetspeedServlet.doGet(JetspeedServlet.java:300)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.jetspeed.engine.servlet.XXSUrlAttackFilter.doFilter(XXSUrlAttackFilter.java:52)
	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:233)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:433)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
	at java.lang.Thread.run(Thread.java:613)



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