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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 37498] - NPE in org.apache.catalina.core.ContainerBase.removeChild
Date Fri, 09 Dec 2005 16:03:59 GMT
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http://issues.apache.org/bugzilla/show_bug.cgi?id=37498


darryl@darrylmiles.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
         Resolution|WORKSFORME                  |




------- Additional Comments From darryl@darrylmiles.org  2005-12-09 17:03 -------
I have managed to test this situation out again, with current 5.5.14-beta, the
multiple ZIP failures are gone, handling looks much cleaner, but Tomcat's still
upset and every 10 seconds an NPE (the 2nd stack dump) occurs.


To re-create this situation I just did a rename of the application directory like:

mv $CATALINA_BASE/webapps/ROOT /tmp/ROOT

Please advise what I can do myself to help track down the persistant NPE problem
to help you fix it.


09-Dec-2005 15:51:08
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor processChildren
SEVERE: Exception invoking periodic operation:
java.lang.NoClassDefFoundError: org/apache/log4j/spi/ThrowableInformation
        at org.apache.log4j.spi.LoggingEvent.<init>(LoggingEvent.java:154)
        at org.apache.log4j.Category.forcedLog(Category.java:388)
        at org.apache.log4j.Category.log(Category.java:853)
        at org.apache.commons.logging.impl.Log4JLogger.error(Log4JLogger.java:193)
        at
org.apache.catalina.core.StandardContext.listenerStop(StandardContext.java:3772)
        at org.apache.catalina.core.StandardContext.stop(StandardContext.java:4310)
        at
org.apache.catalina.core.ContainerBase.removeChild(ContainerBase.java:892)
        at
org.apache.catalina.startup.HostConfig.checkResources(HostConfig.java:1019)
        at org.apache.catalina.startup.HostConfig.check(HostConfig.java:1178)
        at
org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:292)
        at
org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
        at
org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1304)
        at
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1568)
        at
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1577)
        at
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1557)
        at java.lang.Thread.run(Thread.java:595)
09-Dec-2005 15:51:18 org.apache.catalina.startup.HostConfig checkResources
INFO: Undeploying context []
09-Dec-2005 15:51:18
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor processChildren
SEVERE: Exception invoking periodic operation:
java.lang.NullPointerException
        at
org.apache.catalina.core.ContainerBase.removeChild(ContainerBase.java:883)
        at
org.apache.catalina.startup.HostConfig.checkResources(HostConfig.java:1019)
        at org.apache.catalina.startup.HostConfig.check(HostConfig.java:1178)
        at
org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:292)
        at
org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
        at
org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1304)
        at
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1568)
        at
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1577)
        at
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1557)
        at java.lang.Thread.run(Thread.java:595)


Reopened for attention as the original issue still persists.


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