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1826133 - PI OOM Error due to high number of synchronous messages

Symptom

  • Process Integration (PI) Java Server nodes restarting due to OutOfMemoryError (OOM).
  • The following error can be seen the Server trace files: Process shutting down with exit code [666]; memory allocation error [OutOfMemoryError].
  • The following suspects are reported in the Eclipse Memory Analyzer tool (MAT).

One instance of "com.sap.engine.messaging.impl.core.store.MessageStore"loaded by "service:com.sap.aii.af.ms.svc" occupies <number of bytes> (#%) bytes. The memory is accumulated in one instance of "java.util.HashMap$Entry[]" loaded by "<system class loader>".

Keywords
java.util.HashMap$Entry[]
service:com.sap.aii.af.ms.svc
com.sap.engine.messaging.impl.core.store.MessageStore

Class Name Shallow Heap Retained Heap
java.util.HashMap$Entry[131072]
\table java.util.HashMap
.\m java.util.Collections$SynchronizedMap
..\strongMessageMap
com.sap.engine.messaging.impl.core.store.MessageStore
...+store com.sap.engine.messaging.impl.core.queue.Queue


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Environment

  • PI Release Independent
  • SAP NetWeaver
  • SAP Process Integration

Product

SAP NetWeaver all versions ; SAP Process Integration all versions

Keywords

java.util.HashMap$Entry[], service:com.sap.aii.af.ms.svc, com.sap.engine.messaging.impl.core.store.MessageStore, OutOfMemory, Process Integration 7.0, PI 7.0, PI 7.01, PI 7.02, Process Integration 7.10, PI 7.10, Process Integration 7.11, PI 7.11, Process Integration 7.30, PI 7.30, Process Integration 7.31, PI 7.31, Process Orchestration 7.40, PI 7.40, PO 7.40, Process Orchestration 7.50, PI 7.50, PO 7.50, NetWeaver, XI, syncMessageRemover, auditLog , KBA , BC-XI-CON-AFW , J2EE Adapter Framework , BC-XI-CON-MSG , Messaging System , Problem

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