RE: Tomcat automatically serializes session on shutdown and startup on Unix

["Shapira, Yoav" <Yo...@mpi.com>]

Hi,
This is the wrong list: try again on tomcat-user.

Tomcat's startup/shutdown sequences are the same on windows and HP-UX if
you're running from the command line (which is the only option on unix).
If you're running as a Windows Service, it's a bit different, but
serialization configuration is the same.  

Please don't reply to the above here: do so on tomcat-user, where others
can help you as well.

Yoav Shapira http://www.yoavshapira.com
 

>-----Original Message-----
>From: Seow, Pek Lee [mailto:seow_peklee@emc.com]
>Sent: Friday, November 26, 2004 11:33 AM
>To: 'general@jakarta.apache.org'
>Subject: Tomcat automatically serializes session on shutdown and
startup on
>Unix
>
>Hi there,
>
>I am running in to known java.io.NotSerializableException issue when
Tomcat
>(4.1.27) shutdown or startup.
>
>The strange thing is that I do not get this error when running the
>application on Tomcat/Windows but seem to be encountering the problem
in
>Tomcat/HP-UX 11i.  Does the Tomcat shutdown or startup differently in
>Windows vs. Unix? Is the Standard Manager enabled by default? To
workaround
>that, I basically have to set the Manager component to have
pathname="null"
>and saveOnRestart="false" in server.xml.
>
>Could anyone explain the reason I am seeing two different behaviours?
>
>LOG:
>		2004-11-25 12:49:08 StandardManager[/dcm] IOException
while
>loading persisted sessions: java.io.WriteAbortedEx
>		ception: writing aborted;
java.io.NotSerializableException:
>com.documentum.web.form.FormHistory
>		java.io.WriteAbortedException: writing aborted;
>java.io.NotSerializableException: com.documentum.web.form.Form
>		History
>		        at
>java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1278)
>		        at
>java.io.ObjectInputStream.readObject(ObjectInputStream.java:324)
>		        at
java.util.HashMap.readObject(HashMap.java:986)
>		        at
>sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>		        at
>sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.ja
va:3
>9
>)
>		        at
>sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccesso
rImp
>l
>.java:25)
>		        at
java.lang.reflect.Method.invoke(Method.java:324)
>		        at
>java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:824)
>		        at
>java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1746)
>		        at
>java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:164
6)
>		        at
>java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1274)
>		        at
>java.io.ObjectInputStream.readObject(ObjectInputStream.java:324)
>		        at
>org.apache.catalina.session.StandardSession.readObject(StandardSession.
java
>:
>1369)
>		        at
>org.apache.catalina.session.StandardSession.readObjectData(StandardSess
ion.
>j
>ava:864)
>		        at
>org.apache.catalina.session.StandardManager.load(StandardManager.java:4
40)
>		        at
>org.apache.catalina.session.StandardManager.start(StandardManager.java:
655)
>		        at
>org.apache.catalina.core.StandardContext.start(StandardContext.java:357
1)
>		        at
>org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.j
ava:
>8
>21)
>		        at
>org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:807)
>		        at
>org.apache.catalina.core.StandardHost.addChild(StandardHost.java:579)
>		        at
>org.apache.catalina.core.StandardHostDeployer.install(StandardHostDeplo
yer.
>j
>ava:307)
>		        at
>org.apache.catalina.core.StandardHost.install(StandardHost.java:772)
>		        at
>org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.jav
a:55
>9
>)
>		        at
>org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:401)
>		        at
>org.apache.catalina.startup.HostConfig.start(HostConfig.java:718)
>		        at
>org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:3
58)
>		        at
>org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleS
uppo
>r
>t.java:166)
>		        at
>org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1196)
>		        at
>org.apache.catalina.core.StandardHost.start(StandardHost.java:738)
>		        at
>org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1188)
>		        at
>org.apache.catalina.core.StandardEngine.start(StandardEngine.java:347)
>		        at
>org.apache.catalina.core.StandardService.start(StandardService.java:497
)
>		        at
>org.apache.catalina.core.StandardServer.start(StandardServer.java:2190)
>		        at
>org.apache.catalina.startup.Catalina.start(Catalina.java:512)
>		        at
>org.apache.catalina.startup.Catalina.execute(Catalina.java:400)
>		        at
>org.apache.catalina.startup.Catalina.process(Catalina.java:180)
>		        at
>sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>		        at
>sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.ja
va:3
>9
>)
>		        at
>sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccesso
rImp
>l
>.java:25)
>		        at
java.lang.reflect.Method.invoke(Method.java:324)
>		        at
>org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:203)
>
>Cheers,
>- Pek Lee -




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