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we are seeing the below error everyday in Publish log while TarPM Index Merging starts at 2 AM EST and 5 AM EST on tarJournal/workspace and version folder respectively,
16.12.2015 02:02:58.549 *ERROR* [Tar PM Index Merge] org.apache.sling.extensions.threaddump.internal.Activator Uncaught exception in Thread Thread[Tar PM Index Merge,1,main] java.lang.OutOfMemoryError: Java heap space
16.12.2015 05:02:39.613 *ERROR* [Tar PM Index Merge] org.apache.sling.extensions.threaddump.internal.Activator Uncaught exception in Thread Thread[Tar PM Index Merge,1,main] java.lang.OutOfMemoryError: Java heap space
What could be the reason? Is the indexes got corrupted and we need to rebuild. please suggest
