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Support Article

Incorrect email sent by NBAM when Segment refresh fails



User had reported a failure in the scheduled NBAM Segment refresh process. Log files depicte that there were various Locking exception on the Indexer Agent due to which the "RefreshBaseSegment" Segment rule could not auto-refresh. This behavior was resolved after removing the ".lock" file from the temp directory and a server restart.

User has raised concerns around NBAM not sending correct e-mail with the exception details when such issues occur during Segment Refresh.

Error Messages

2014-05-04 11:17:22,385 [ PegaRULES-Batch-4] [ STANDARD] [ PegaNBAM:06.03] ( search.internal.RuleIndexer) ERROR - Failed to update ClipboardPages in the PegaRULES index- Lock obtain timed out: [email protected]/smartpaas-app/tomcat/node1/PegaRULESIndex/DataIndex/write.lock
2014-05-04 11:17:22,386 [ PegaRULES-Batch-4] [ STANDARD] [ PegaNBAM:06.03] ( SystemIndexer.Code_.Action) ERROR - [ Indexer ] The System Indexer encountered an error Failed to update the PegaRULES index - Lock obtain timed out: [email protected]/smartpaas-app/tomcat/node1/PegaRULESIndex/DataIndex/write.lock

Caused by: Lock obtain timed out: [email protected]/smartpaas-app/tomcat/node1/PegaRULESIndex/DataIndex/write.lock
at com.pega.apache.lucene.index.IndexWriter.<init>(

Steps to Reproduce

Schedule a Segment to auto run and make sure a failure was induced during Segment execution.

Root Cause

Even in case of a failure of the scheduled Segment execution, NBAM sends out an email with a success message and it does not include the error message causing the Segment refresh failure.


HFix-9661 was provided to address this issue. With this HFix, NBAM sends out the error message in the e-mail when the Segment refresh fails.

Published January 31, 2016 - Updated December 2, 2021

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