WebLogic Server 8.1 SP2 - Sudden Crash

Question

Hello,
We have WebLogic 8.1 SP2 installed on Unix box (SunOS 5.8 Generic_108528-29 sun4u sparc SUNW,Sun-Fire-880). We have configured 2 domains on the same box, one for development and other for staging environment. Both are running normally fine.
Couple of days back the managed server of development domain crashed sudenly. It generated a CORE file and a log file with following details:
Can anyone tell me, what exactly happened, and what would be the corrective / preventive action to be taken?
+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+
An unexpected exception has been detected in native code outside the VM.
Unexpected Signal : 10 occurred at PC=0xFE7E2D9C
Function=[Unknown. Nearest: ZIP_Lock+0x48]
Library=/opt/bea/wls811/jdk141_03/jre/lib/sparc/libzip.so
Current Java thread:
     at java.util.zip.ZipFile.getEntry(Native Method)
     at java.util.zip.ZipFile.getEntry(ZipFile.java:146)
     - locked <c13f7250> (a weblogic.utils.classloaders.ClasspathClassFinder$ZipFileWrapper)
     at weblogic.servlet.internal.WarClassFinder.getSource(WarClassFinder.java:236)
     at weblogic.servlet.internal.WebAppServletContext.getSource(WebAppServletContext.java:4402)
     at weblogic.servlet.internal.WebAppServletContext.getResourceAsSource(WebAppServletContext.java:5986)
     at weblogic.servlet.FileServlet.findSource(FileServlet.java:273)
     at weblogic.servlet.FileServlet.service(FileServlet.java:186)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
     at weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run(ServletStubImpl.java:971)
     at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:402)
     at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:305)
     at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:6350)
     at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:317)
     at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:118)
     at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletContext.java:3635)
     at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java:2585)
     at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:197)
     at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:170)
Dynamic libraries:
0x10000      /opt/bea/wls811/jdk141_03/bin/java
0xff350000      /usr/lib/libthread.so.1
0xff340000      /usr/lib/libdl.so.1
0xff200000      /usr/lib/libc.so.1
0xff390000      /usr/platform/SUNW,Sun-Fire-880/lib/libc_psr.so.1
0xfe000000      /opt/bea/wls811/jdk141_03/jre/lib/sparc/client/libjvm.so
0xff2d0000      /usr/lib/libCrun.so.1
0xff1e0000      /usr/lib/libsocket.so.1
0xff100000      /usr/lib/libnsl.so.1
0xff0d0000      /usr/lib/libm.so.1
0xff1c0000      /usr/lib/libmp.so.2
0xff090000      /opt/bea/wls811/jdk141_03/jre/lib/sparc/native_threads/libhpi.so
0xff060000      /opt/bea/wls811/jdk141_03/jre/lib/sparc/libverify.so
0xff020000      /opt/bea/wls811/jdk141_03/jre/lib/sparc/libjava.so
0xfe7e0000      /opt/bea/wls811/jdk141_03/jre/lib/sparc/libzip.so
0xfa050000      /opt/bea/wls811/jdk141_03/jre/lib/sparc/libnet.so
0xfa110000      /opt/bea/wls811/weblogic81/server/lib/solaris/libstackdump.so
0xfa030000      /opt/bea/wls811/weblogic81/server/lib/solaris/libmuxer.so
0xfa010000      /usr/ucblib/libucb.so.1
0xb9fb0000      /usr/lib/libresolv.so.2
0xb9e40000      /usr/lib/libelf.so.1
0xb9e20000      /opt/bea/wls811/jdk141_03/jre/lib/sparc/libnio.so
0xb9d20000      /usr/lib/librt.so.1
0xb9c10000      /usr/lib/libaio.so.1
0xb9b60000      /opt/bea/wls811/jdk141_03/jre/lib/sparc/libioser12.so
0xaec80000      /opt/bea/wls811/jdk141_03/jre/lib/sparc/libawt.so
0xaec00000      /opt/bea/wls811/jdk141_03/jre/lib/sparc/libmlib_image.so
0xb1490000      /opt/bea/wls811/jdk141_03/jre/lib/sparc/motif21/libmawt.so
0xae980000      /usr/dt/lib/libXm.so.4
0xaee10000      /usr/openwin/lib/libXt.so.4
0xb3890000      /usr/openwin/lib/libXext.so.0
0xb32e0000      /usr/openwin/lib/libXtst.so.1
0xae880000      /usr/openwin/lib/libX11.so.4
0xb10a0000      /usr/openwin/lib/libdps.so.5
0xb2e60000      /usr/openwin/lib/libSM.so.6
0xb16d0000      /usr/openwin/lib/libICE.so.6
Local Time = Thu Sep 9 17:56:49 2004
Elapsed Time = 520313
# The exception above was detected in native code outside the VM
# Java VM: Java HotSpot(TM) Client VM (1.4.1_03-b02 mixed mode)
+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+

Answer 1

WLS 8.1SP2 can not be upgraded directly to WLS8.1 SP6.
The existing domain should be at WLS 8.1 SP4 atleast so that it can be upgraded to WLS 8.1 SP6.
The link:
http://commerce.bea.com/
Has be decommissioned and now in order to download the upgrade installers and WLS service pack versions you should have a Support ID which is required to create a login to metalink.oracle.com .
Then You can follow the following:
Login to: https://Metalink.oracle.com
Go to tab: Patches & Updates
Quick Links to: Latest Patchsets, Mini Packs and Maintenance Packs
Patch Bundles for Individual Products or Components
Select BEA Weblogic Platform
Select the WebLogic Main version and SP version
Then you should see the download screen.
Thanks,
Sandeep