Bugs item #637759, was opened at 2002-11-13 13:22
You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=376685&aid=637759&group_id=22866

Category: CatalinaBundle
Group: v3.0 Rabbit Hole
Status: Open
Resolution: None
Priority: 5
Submitted By: david (davidregan)
Assigned to: Scott M Stark (starksm)
Summary: NPE attempting to re-deploy war file

Initial Comment:
OS:  Windows 2000
JDK: 1.4.0
Jboss version V3.0.3

Running jboss from eclipse.  Edit any file and deploy.

jboss attempts to perform hot redeploy and fails.
Fails every time.
I would say this line from the log file says it all:

Deleting catalina work dir: null

Trace from log:

2002-11-08 14:26:18,687 INFO  
[org.jboss.web.localhost.Engine] StandardHost
[localhost]: Removing web application at context 
path /microsites
2002-11-08 14:26:18,687 DEBUG 
[org.jboss.web.catalina.EmbeddedCatalinaService41] 
Deleting catalina work dir: null
2002-11-08 14:26:18,687 ERROR 
[org.jboss.deployment.MainDeployer] Undeployment 
failed: file:/C:/Applications/jboss-3.0.3_tomcat-
4.1.12/server/default/deploy/microsites.war
org.jboss.deployment.DeploymentException: Error 
during deploy; - nested throwable: 
(java.lang.NullPointerException)
        at org.jboss.web.AbstractWebContainer.stop
(AbstractWebContainer.java:355)
        at org.jboss.deployment.MainDeployer.stop
(MainDeployer.java:469)
        at 
org.jboss.deployment.MainDeployer.undeploy
(MainDeployer.java:443)
        at 
org.jboss.deployment.MainDeployer.shutdown
(MainDeployer.java:331)
        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:324)
        at 
org.jboss.mx.capability.ReflectedMBeanDispatcher.invok
e(ReflectedMBeanDispatcher.java:284)
        at 
org.jboss.mx.server.MBeanServerImpl.invoke
(MBeanServerImpl.java:517)
        at 
org.jboss.system.server.ServerImpl$ShutdownHook.shut
downDeployments(ServerImpl.java:717)
        at 
org.jboss.system.server.ServerImpl$ShutdownHook.shut
down(ServerImpl.java:700)
        at 
org.jboss.system.server.ServerImpl$ShutdownHook.run
(ServerImpl.java:688)
Caused by: java.lang.NullPointerException
        at org.jboss.util.file.Files.delete(Files.java:39)
        at 
org.jboss.web.catalina.EmbeddedCatalinaService41.perfo
rmUndeploy(EmbeddedCatalinaService41.java:330)
        at org.jboss.web.AbstractWebContainer.stop
(AbstractWebContainer.java:345)
        ... 12 more


Trace from console:

13:09:29,906 INFO  [Engine] StandardHost[localhost]: 
Removing web application at context path /microsites
13:09:30,406 ERROR [MainDeployer] Undeployment 
failed: file:/C:/Applications/jboss-3.0.3_tomcat-
4.1.12/server/default/deploy/microsites.war
org.jboss.deployment.DeploymentException: Error 
during deploy; - nested throwable: 
(java.lang.NullPointerException)
        at org.jboss.web.AbstractWebContainer.stop
(AbstractWebContainer.java:355)
        at org.jboss.deployment.MainDeployer.stop
(MainDeployer.java:469)
        at 
org.jboss.deployment.MainDeployer.undeploy
(MainDeployer.java:443)
        at 
org.jboss.deployment.MainDeployer.undeploy
(MainDeployer.java:438)
        at 
org.jboss.deployment.MainDeployer.undeploy
(MainDeployer.java:411)
        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:324)
        at 
org.jboss.mx.capability.ReflectedMBeanDispatcher.invok
e(ReflectedMBeanDispatcher.java:284)
        at 
org.jboss.mx.server.MBeanServerImpl.invoke
(MBeanServerImpl.java:517)
        at org.jboss.util.jmx.MBeanProxy.invoke
(MBeanProxy.java:174)
        at $Proxy4.undeploy(Unknown Source)
        at 
org.jboss.deployment.scanner.URLDeploymentScanner.
undeploy(URLDeploymentScanner.java:457)
        at 
org.jboss.deployment.scanner.URLDeploymentScanner.
scan(URLDeploymentScanner.java:552)
        at 
org.jboss.deployment.scanner.AbstractDeploymentScan
ner$ScannerThread.doScan
(AbstractDeploymentScanner.java:212)
        at 
org.jboss.deployment.scanner.AbstractDeploymentScan
ner$ScannerThread.loop
(AbstractDeploymentScanner.java:225)
        at 
org.jboss.deployment.scanner.AbstractDeploymentScan
ner$ScannerThread.run
(AbstractDeploymentScanner.java:202)
Caused by: java.lang.NullPointerException
        at org.jboss.util.file.Files.delete(Files.java:39)
        at 
org.jboss.web.catalina.EmbeddedCatalinaService41.perfo
rmUndeploy(EmbeddedCatalinaService41.java:330)
        at org.jboss.web.AbstractWebContainer.stop
(AbstractWebContainer.java:345)
        ... 17 more


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