This is related to bug 4369396.

Questions
===========
Can you ask the customer if the problem can be reproduced everytime ? What is the pattern ? Did the customer modified the war/ear file ( dynamic reloading, deployment etc ) ?

Answer
======
When the servlet was reloding (weblogic.servlet.internal.ServletStubImpl.checkForReload), the zip class was read, the java process crashes ....


---hs_err_pid.log---
Current Java thread:
    at java.util.zip.ZipFile.getEntry(Native Method)
    at java.util.zip.ZipFile.getEntry(ZipFile.java:146)
    - locked <dd5abaa8> (a weblogic.utils.classloaders.ClasspathClassFinder$Z
ipFileWrapper) at weblogic.servlet.internal.WarClassFinder.getSource(WarClassFinder.java:236)
    at weblogic.servlet.internal.WebAppServletContext.getSource(WebAppServletContex
t.java:4402) at weblogic.servlet.internal.WebAppServletContext.getResourceAsSource(WebAppSer
vletContext.java:5986) at weblogic.servlet.internal.WebAppServletContext.getResourceAsStream(WebAppSer
vletContext.java:996) at org.apache.struts.action.ActionServlet.initServlet(ActionServlet.java:1429)
    at org.apache.struts.action.ActionServlet.init(ActionServlet.java:466)
    at javax.servlet.GenericServlet.init(GenericServlet.java:258)
    at weblogic.servlet.internal.ServletStubImpl$ServletInitAction.run(ServletStubI
mpl.java:993) at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubjec
t.java:317) at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:118)
    at weblogic.servlet.internal.ServletStubImpl.createServlet(ServletStubImpl.java
:869) - locked <dd5ca0a0> (a weblogic.servlet.internal.ServletStubImpl)
    at weblogic.servlet.internal.ServletStubImpl.createInstances(ServletStubImpl.ja
va:848) at weblogic.servlet.internal.ServletStubImpl.prepareServlet(ServletStubImpl.jav
a:787) - locked <dd5ca0a0> (a weblogic.servlet.internal.ServletStubImpl)
    at weblogic.servlet.internal.ServletStubImpl.reloadServlet(ServletStubImpl.java
:705) at weblogic.servlet.internal.ServletStubImpl.checkForReload(ServletStubImpl.jav
a:685) - locked <dd5ca0a0> (a weblogic.servlet.internal.ServletStubImpl)
---