Support Article
ConcurrentModificationException at CleatMessages API
SA-24837
Summary
java.util.ConcurrentModificationException is coming in Log file when Pega 7.1.8 is trying to clear the messages sporadically.
Error Messages
Exception;java.util.ConcurrentModificationException; at java.util.HashMap$HashIterator.nextNode(HashMap.java:1429); at java.util.HashMap$ValueIterator.next(HashMap.java:1458); at com.pega.pegarules.data.internal.clipboard.ClipboardPageImpl.clearMessages(ClipboardPageImpl.java:3869); at com.pegarules.generated.activity.ra_action_pzdogridaction_84f3e7348d7bf2bad1ec28065f8afa87.step1_circum0(ra_action_pzdogridaction_84f3e7348d7bf2bad1ec28065f8afa87.java:367)
Steps to Reproduce
Not Applicable.
Root Cause
PRPC is trying to deleting the messages while iterating over messages collection.
Resolution
Apply HFix-28180.
Published June 30, 2016 - Updated October 8, 2020
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