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Support Article

Upgrade fails with data source initialization error

SA-34006

Summary



Upgrade fails in the upgrade wizard due to a data source error.

Error Messages

[java] 2017-02-15 23:50:34,784 (com.pega.pegarules.internal.bootstr) WARNING - Could not initialize data source
[java]
[java] java.lang.IllegalStateException: Unable to initialize JdbcJarReader for table "WORKFLOWRULES722.pr_engineclasses"

Steps to Reproduce



Attempt to upgrade


Root Cause

OJDBC14.jar was being used to connect to the datasource, which is the JDBC driver for Java 1.4.


Resolution



Use a JDBC driver appropriate for your version of Java. OJDBC7.jar is certified for use with JDK 7 and JDK 8.

Published February 28, 2017 - Updated October 8, 2020

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