Support Article
ConcurrentModificationExceptions in AES PegaRULES log
SA-37402
Summary
The following error is appearing in the log file.
Error Messages
Caused by: java.util.ConcurrentModificationException
at java.util.HashMap$HashIterator.remove(HashMap.java:952)
at com.pega.pegarules.data.internal.clipboard.PropertyStream.expandAllToProperties(PropertyStream.java:540)
at com.pega.pegarules.data.internal.clipboard.ClipboardPageImpl.expandAll(ClipboardPageImpl.java:1106)
at com.pega.pegarules.data.internal.clipboard.ClipboardPageImpl.expandAll(ClipboardPageImpl.java:1100)
at com.pega.pegarules.data.internal.clipboard.ClipboardPageImpl.expandAll(ClipboardPageImpl.java:1096)
at com.pega.pegarules.data.internal.clipboard.ClipboardPageImpl.entrySet(ClipboardPageImpl.java:4777)
at com.pega.pegarules.data.internal.clipboard.ClipboardPageImpl.putAll(ClipboardPageImpl.java:2838)
at com.pega.pegarules.data.internal.clipboard.ClipboardPageImpl.putAll(ClipboardPageImpl.java:2640)
at com.pega.pegarules.data.internal.clipboard.ClipboardPageImpl.putAllAndReconcileRefProps(ClipboardPageImpl.java:2608)
at com.pega.pegarules.data.internal.clipboard.ClipboardPageBase.putAll(ClipboardPageBase.java:1161)
at com.pega.pegarules.data.internal.clipboard.ClipboardPageImpl.putAll(ClipboardPageImpl.java:481)
at com.pegarules.generated.activity.ra_action_parsealertline_7043315bc4df33f3bf0cd7cd2ba5821e.step16_circum0(ra_action_parsealertline_7043315bc4df33f3bf0cd7cd2ba5821e.java:2024)
at com.pegarules.generated.activity.ra_action_parsealertline_7043315bc4df33f3bf0cd7cd2ba5821e.perform(ra_action_parsealertline_7043315bc4df33f3bf0cd7cd2ba5821e.java:358)
at com.pega.pegarules.session.internal.mgmt.Executable.doActivity(Executable.java:3375)
at com.pega.pegarules.session.internal.mgmt.Executable.invokeActivity(Executable.java:10450)
at com.pegarules.generated.activity.ra_action_parsealertlinesoap_7a26e04c4a9359d23c155291fc34db0b.step4_circum0(ra_action_parsealertlinesoap_7a26e04c4a9359d23c155291fc34db0b.java:313)
at com.pegarules.generated.activity.ra_action_parsealertlinesoap_7a26e04c4a9359d23c155291fc34db0b.perform(ra_action_parsealertlinesoap_7a26e04c4a9359d23c155291fc34db0b.java:103)
at com.pega.pegarules.session.internal.mgmt.Executable.doActivity(Executable.java:3375)
at com.pega.pegarules.session.internal.mgmt.base.ThreadRunner.runActivitiesAlt(ThreadRunner.java:641)
Steps to Reproduce
Not Applicable
Root Cause
A defect in Pegasystems’ code or rules There is an error in clipboard processing that caused the above error.
Resolution
Apply HFix-34170
Published May 6, 2017 - Updated October 8, 2020
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