Support Article
NoClassDefFoundError on running SaveAllPropositions activity
SA-47983
Summary
NoClassDefFoundError occurs in the logs when SaveAllPropositions activity is run.
Error Messages
java.lang.NoClassDefFoundError: com/pega/pegarules/priv/util/StackTrace
at com.pega.pegarules.session.internal.async.AgentQueue.handleProblem(AgentQueue.java:1075)
at com.pega.pegarules.session.internal.async.AgentQueue.runEnd(AgentQueue.java:965)
at com.pega.pegarules.session.internal.async.AgentQueue.runEnd(AgentQueue.java:925)
Steps to Reproduce
Run the SaveAllPropositions activity.
Root Cause
The server is unable to correctly load the classes from the database.
Resolution
Perform the following local-change:Set the below DSS setting and restart the server:
Ruleset: Pega-Engine
Purpose: prconfig/initialization/preloadengineclasses/default
Value: com.pega.pegarules.priv.util.StackTrace com.pega.apache.log4j.spi.ThrowableInformation
Published February 8, 2018 - Updated December 2, 2021
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