SAP Knowledge Base Article - Preview

2743397 - Message Processing fails with IllegalArgumentException: Comparison method violates its general contract

Symptom

Message processing in the Process Integration (PI) or Process Orchestration (PO) fails with the following exception and this error occurs randomly in different scenarios.

com.sap.engine.interfaces.messaging.api.exception.MessagingException: java.lang.IllegalArgumentException: Comparison method violates its general contract


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Environment

  • SAP NetWeaver 7.5

Product

SAP NetWeaver 7.5

Keywords

IllegalArgumentException, Comparison method, Comparable contract, JDK 7, SAP JVM, Arrays.sort, MergeSort, TimSort, Process Orchestration 7.50, PI 7.50, PO 7.50, NetWeaver, AEX , KBA , BC-XI-CON-AFW-AAE , Advanced Adapter Engine , BC-JAS-DPL , Deployment , Problem

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