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Support Article

java.lang.Object incompatible with java.lang.String

SA-17765

Summary



PegaRULES log file is not generated in Pega 7.1.6. An error is displayed on the screen when Requestor Type instances are opened from Developer portal.

Error Messages



java.lang.Object incompatible with java.lang.String

Steps to Reproduce



Unknown

Root Cause



A software use or operation error: prlogging.xml file from a Pega 7.1.7 environment was copied to this Pega 7.1.6 environment. Pega 7.1.7 has new appender Class reference com.pega.pegarules.priv.util.DailySizeRollingFileAppenderPega, which causes java.lang.ClassNotFoundException (in Websphere systemerror.log) because the class is not available in Pega 7.1.6.

Resolution



Make the following change to the operating environment:
Use the original Pega 7.1.6 prlogging.xml and refer to the PDN article given below if log rolling must be set up.
https://pdn.pega.com/support-articles/unable-roll-over-log-using-rollingfileappender

Published November 3, 2016 - Updated October 8, 2020

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