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From Stanislav Mironov <smiro...@gmail.com>
Subject NPE while undeploying webapp on Tomcat 5.5.12
Date Wed, 09 Nov 2005 07:52:03 GMT
Hi All!

I get such exception report in catalina.xxxx.log when I undeploy web
application (deployed as WAR).

09.11.2005 10:46:59 org.apache.catalina.startup.HostConfig checkResources
INFO: Undeploying context [/context1]
09.11.2005 10:47:12 org.apache.catalina.startup.HostConfig checkResources
INFO: Undeploying context [/context1]
09.11.2005 10:47:12
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(Unknown Source)

What is the reason - bug in tomcat?

--
Stanislav Mironov

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