Pega 7.4 upgrade fails on IBM JDK 1.8
When upgrading to Pega 7.4, OutOfMemory exception occurs and the upgrade script fails. This occurs on a system with adequate memory (8 GB) and IBM JDK 1.8.
[java] [ main] [ ] [ ] [ ] (ary.ClassMapDatabasePageReader) INFO - Reading the class definitions
[java] JVMDUMP039I Processing dump event "systhrow", detail "java/lang/OutOfMemoryError" at - please wait.
[java] JVMDUMP032I JVM requested System dump using '/shared/upgrade74/PegaInstallTemp 21.38.17/load/core.20180524.215008.1957.0001.dmp' in response to an event [java] java.lang.OutOfMemoryError: Java heap space
Steps to Reproduce
- Update from Pega 7.1.8 to Pega 7.4.
- Run the Pega 7.4 upgrade script using IBM JDK 1.8.
A defect in Pegasystems’ code or rules.
The Pega setupDatabase.xml Ant script does not detect JDK 1.8 correctly. It also does not set the standard JVM maximum memory argument (-Xmx). It sets an optional memory argument which is not deciphered by IBM JVM.
Perform the following local-change:
Edit the setupDatabase.xml script and add detection for JDK 1.8.
Published July 23, 2018 - Updated December 2, 2021
Was this useful?
0% found this useful
Have a question? Get answers now.
Visit the Collaboration Center to ask questions, engage in discussions, share ideas, and help others.