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E1: WLS: WebLogic 12.1.2.0 Intermittent Slow Down Of Web Server "java.lang.NullPointerException" In WebLogic Server Logs (Doc ID 2456982.1)

Last updated on FEBRUARY 11, 2020

Applies to:

JD Edwards EnterpriseOne Tools - Version 9.1 and later
Information in this document applies to any platform.

Symptoms

Weblogic server intermittently slows down causing slow performance for users accessing applications, and causing slow response on signing into system.


Log files show "nullpointerexception" messages repeating through WebLogic domain server logs:

Example Log section :

####<Jul 11, 2018 11:52:41 AM EDT> <Error> <Kernel> SERVERNAME <[ACTIVE] ExecuteThread: '19' for queue: 'weblogic.kernel.Default (self-tuning)'> <> <> <> <1531324361754> <BEA-000802> <ExecuteRequest failed
java.lang.NullPointerException.
java.lang.NullPointerException
at weblogic.servlet.internal.PostInputStream.complain(PostInputStream.java:83)
at weblogic.servlet.internal.PostInputStream.read(PostInputStream.java:188)
at java.io.InputStream.skip(InputStream.java:222)
at weblogic.servlet.internal.ServletInputStreamImpl.skip(ServletInputStreamImpl.java:247)
at weblogic.servlet.internal.ServletRequestImpl.skipUnreadBody(ServletRequestImpl.java:213)
at weblogic.servlet.internal.ServletRequestImpl.reset(ServletRequestImpl.java:162)
at weblogic.servlet.internal.HttpConnectionHandler.prepareRequestForReuse(HttpConnectionHandler.java:252)
at weblogic.servlet.internal.HttpConnectionHandler.requeue(HttpConnectionHandler.java:658)
at weblogic.servlet.internal.VirtualConnection.requeue(VirtualConnection.java:332)
at weblogic.servlet.internal.ServletResponseImpl.send(ServletResponseImpl.java:1604)
at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1574)
at weblogic.servlet.provider.ContainerSupportProviderImpl$WlsRequestExecutor.run(ContainerSupportProviderImpl.java:254)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:295)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:254)

Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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