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Support Article

JVM hang analysis

SA-3337

Summary



JVM was unresponsive/crashed/unavailable

Currently 1 of 4 JVMS required restart



Error Messages



2014-11-02 08:02:54,462 [   WorkManager(2)-27] [  STANDARD] [    MyApp:06.03.01] (        internal.access.Opener) ERROR   - There was a problem opening a database instance SYSTEM-CACHEDCONCLUSION PROPERTY!PXRDBERROR!34
com.pega.pegarules.pub.database.ConnectionException: Database-General     There was a problem opening a database instance SYSTEM-CACHEDCONCLUSION PROPERTY!PXRDBERROR!34       -4499     08001    [jcc][t4][2030][11211][3.62.56] A communication error occurred during operations on the connection's underlying socket, socket input stream,
or socket output stream.  Error location: Reply.fill() - insufficient data (-1).  Message: Insufficient data. ERRORCODE=-4499, SQLSTATE=08001



Steps to Reproduce



NA


Root Cause



The root cause of this problem is in a third-party product integrated with PRPC. Database Connection Pool / DB connectivity issues.



Resolution



This issue is resolved by making the following change to the PRPC operating environment: Increating max pool size of DB connection pool to create more connecitons, also monitoring connection pool usage.

Published January 31, 2016 - Updated October 8, 2020

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