[
http://jira.jboss.com/jira/browse/JBSEAM-1681?page=all ]
Michael Youngstrom reopened JBSEAM-1681:
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However, with tomcat 6 I get a similar exception when starting up the server. Looking at
JavaBeanInterceptor.readResolve(JavaBeanInterceptor.java:160) it looks like that
JavaBeanInterceptor is expecting an IllegalStateException to be thrown which will happen
if Lifecycle used getApplication() instead of the static variable. So perhaps the fix for
this issue is to use Lifecycle.getApplication() wherever Lifecycle.application is used in
Lifecycle so this exception will go away and tomcat 55 will get IllegalStateExceptions
instead of NPEs when shutting down.
Unless I hear otherwise I'll go ahead and make the change.
java.lang.NullPointerException
at org.jboss.seam.contexts.BasicContext.get(BasicContext.java:48)
at org.jboss.seam.Component.forName(Component.java:1710)
at org.jboss.seam.Seam.componentForName(Seam.java:288)
at org.jboss.seam.intercept.RootInterceptor.getComponent(RootInterceptor.java:222)
at
org.jboss.seam.intercept.JavaBeanInterceptor.readResolve(JavaBeanInterceptor.java:160)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:64)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:615)
at java.io.ObjectStreamClass.invokeReadResolve(ObjectStreamClass.java:1088)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1747)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1324)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:362)
at org.apache.catalina.session.StandardSession.readObject(StandardSession.java:1439)
at org.apache.catalina.session.StandardSession.readObjectData(StandardSession.java:942)
at org.apache.catalina.session.StandardManager.doLoad(StandardManager.java:394)
at org.apache.catalina.session.StandardManager.load(StandardManager.java:321)
at org.apache.catalina.session.StandardManager.start(StandardManager.java:637)
at org.apache.catalina.core.ContainerBase.setManager(ContainerBase.java:438)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4255)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:525)
at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:825)
at org.apache.catalina.startup.HostConfig.deployWARs(HostConfig.java:714)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:490)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1138)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311)
at
org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:719)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
at org.apache.catalina.core.StandardService.start(StandardService.java:516)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
at org.apache.catalina.startup.Catalina.start(Catalina.java:566)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:64)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:615)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)
NPE thrown when tomcat shutsdown
--------------------------------
Key: JBSEAM-1681
URL:
http://jira.jboss.com/jira/browse/JBSEAM-1681
Project: JBoss Seam
Issue Type: Bug
Components: Core
Affects Versions: 2.0.0.CR1
Reporter: Michael Youngstrom
Assigned To: Michael Youngstrom
Fix For: 2.0.0.CR1
I'm running Seam in tomcat 5.5.23. When I shutdown I get an NPE. It appears that
contextDestroyed is being called before tomcat does the session passivation. Any opinions
on the best way to deal with this? It's obviously fairly harmless but the message is
semi annoying?
java.lang.NullPointerException
at org.jboss.seam.contexts.BasicContext.get(BasicContext.java:48)
at org.jboss.seam.Component.forName(Component.java:1709)
at org.jboss.seam.Component.getInstance(Component.java:1757)
at org.jboss.seam.Component.getInstance(Component.java:1752)
at org.jboss.seam.Component.getInstance(Component.java:1729)
at org.jboss.seam.Component.getInstance(Component.java:1724)
at org.jboss.seam.core.Events.instance(Events.java:154)
at org.jboss.seam.core.Events.exists(Events.java:149)
at org.jboss.seam.contexts.Contexts.destroy(Contexts.java:236)
at org.jboss.seam.contexts.Lifecycle.endCall(Lifecycle.java:91)
at
org.jboss.seam.persistence.ManagedPersistenceContext.sessionWillPassivate(ManagedPersistenceContext.java:157)
at org.apache.catalina.session.StandardSession.passivate(StandardSession.java:774)
at org.apache.catalina.session.StandardManager.doUnload(StandardManager.java:516)
at org.apache.catalina.session.StandardManager.unload(StandardManager.java:463)
at org.apache.catalina.session.StandardManager.stop(StandardManager.java:667)
at org.apache.catalina.core.StandardContext.stop(StandardContext.java:4363)
at org.apache.catalina.core.ContainerBase.stop(ContainerBase.java:1067)
at org.apache.catalina.core.ContainerBase.stop(ContainerBase.java:1067)
at org.apache.catalina.core.StandardEngine.stop(StandardEngine.java:448)
at org.apache.catalina.core.StandardService.stop(StandardService.java:510)
at org.apache.catalina.core.StandardServer.stop(StandardServer.java:734)
at org.apache.catalina.startup.Catalina.stop(Catalina.java:602)
at org.apache.catalina.startup.Catalina.start(Catalina.java:577)
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:585)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:295)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:433)
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