Redeployment Problems under Tomcat 4.0.2

["Lawlor, Frank" <Fr...@AthensGroup.com>]

I've run into some problems with 4.0.2.

 - I do NOT have persistent sessions enabled in server.xml

I can initially deploy a web app by placing the .war file in
webapps dir.

However, if I try to redeploy I run into problems.  To re-deploy 
I ususally stop Tomcat, delete the current app directory and 
existing .war file, put the new .war file in webapps and restart
Tomcat.

Is it necessary to delete my current app directory?  I need to
GUARANTEE that any existing contents are totally removed.

Using the above procedure I run into these problems:

When I start Tomcat the log has the following:

2002-03-11 15:10:12 StandardContext[/Autoweb2]: Error initializing
resources: Document base ..\webapps\Autoweb2 does not exist or is not a
readable directory
2002-03-11 15:10:12 StandardContext[/Autoweb2]: Context startup failed due
to previous errors
2002-03-11 15:10:12 StandardContext[/Autoweb2]: Exception during cleanup
after start failed
LifecycleException:  Container StandardContext[/Autoweb2] has not been
started
	at
org.apache.catalina.core.ContainerBase.stop(ContainerBase.java:1147)
	at
org.apache.catalina.core.StandardContext.stop(StandardContext.java:3451)
	at
org.apache.catalina.core.StandardContext.start(StandardContext.java:3408)
	at
org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1123)
	at
org.apache.catalina.core.StandardHost.start(StandardHost.java:614)
	at
org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1123)
	at
org.apache.catalina.core.StandardEngine.start(StandardEngine.java:343)
	at
org.apache.catalina.core.StandardService.start(StandardService.java:388)
	at
org.apache.catalina.core.StandardServer.start(StandardServer.java:506)
	at org.apache.catalina.startup.Catalina.start(Catalina.java:781)
	at org.apache.catalina.startup.Catalina.execute(Catalina.java:681)
	at org.apache.catalina.startup.Catalina.process(Catalina.java:179)
	at java.lang.reflect.Method.invoke(Native Method)
	at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:243)


If I create an app directory (Autoweb2) I instead get the following:

2002-03-11 15:13:45 WebappLoader[/Autoweb2]: Reloading checks are enabled
for this Context
2002-03-11 15:13:45 StandardManager[/Autoweb2]: Seeding random number
generator class java.security.SecureRandom
2002-03-11 15:13:45 StandardManager[/Autoweb2]: Seeding of random number
generator has been completed
2002-03-11 15:13:45 StandardManager[/Autoweb2] ClassNotFoundException while
loading persisted sessions: java.lang.ClassNotFoundException:
com.athensgroup.autoweb2.forms.ListForm
java.lang.ClassNotFoundException: com.athensgroup.autoweb2.forms.ListForm
	at
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.jav
a:1394)
	at
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.jav
a:1243)
	at
org.apache.catalina.util.CustomObjectInputStream.resolveClass(CustomObjectIn
putStream.java:119)
	at
java.io.ObjectInputStream.inputClassDescriptor(ObjectInputStream.java:918)
	at java.io.ObjectInputStream.readObject(ObjectInputStream.java:366)
	at java.io.ObjectInputStream.readObject(ObjectInputStream.java:236)
	at
java.io.ObjectInputStream.inputObject(ObjectInputStream.java:1186)
	at java.io.ObjectInputStream.readObject(ObjectInputStream.java:386)
	at java.io.ObjectInputStream.readObject(ObjectInputStream.java:236)
	at
org.apache.catalina.session.StandardSession.readObject(StandardSession.java:
1268)
	at
org.apache.catalina.session.StandardSession.readObjectData(StandardSession.j
ava:810)
	at
org.apache.catalina.session.StandardManager.load(StandardManager.java:411)
	at
org.apache.catalina.session.StandardManager.start(StandardManager.java:617)
	at
org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1104)
	at
org.apache.catalina.core.StandardContext.start(StandardContext.java:3345)
	at
org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1123)
	at
org.apache.catalina.core.StandardHost.start(StandardHost.java:614)
	at
org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1123)
	at
org.apache.catalina.core.StandardEngine.start(StandardEngine.java:343)
	at
org.apache.catalina.core.StandardService.start(StandardService.java:388)
	at
org.apache.catalina.core.StandardServer.start(StandardServer.java:506)
	at org.apache.catalina.startup.Catalina.start(Catalina.java:781)
	at org.apache.catalina.startup.Catalina.execute(Catalina.java:681)
	at org.apache.catalina.startup.Catalina.process(Catalina.java:179)
	at java.lang.reflect.Method.invoke(Native Method)
	at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:243)

Note that persistent sessions is NOT enabled in server.xml, but the above
seems to indicate
that some type of persistence checking is running into problems.

Using manager/remove on the app before replacement does not help!
Specifying reloadable="false" does not help.

If I manually explode the .war file, everything is fine.

Is this a bug?  

Frank Lawlor
Athens Group, Inc.
(512) 345-0600 x151
Athens Group, an employee-owned consulting firm integrating technology
strategy and software solutions.



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