SAP Knowledge Base Article - Preview

2185344 - Comparison method violates its general contract in PI Integration Builder

Symptom

  • Working in the Process Integration (PI) or Process Orchestration (PO) Integration Builder tools you get the error "Comparison method violates its general contract", when making changes to objects.
  • This can manifest in different ways e.g. opening objects, saving objects, working with Change Lists, with Integrated Configuration Objects (ICO's) etc
  • If you trace the issue e.g. using the steps in SAP Note 1891480 How to enable logging in Java WebStart console
    Thrown:
    com.sap.aii.utilxi.swing.framework.FrameworkException: Internal problem occurred
    at com.sap.aii.utilxi.swing.toolkit.ExceptionDialog.init(ExceptionDialog.java:126)...
    ...Caused by: java.lang.IllegalArgumentException: Comparison method violates its general contract!

    Error.PNG


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Environment

  • SAP NetWeaver 7.3
  • SAP enhancement package 1 for SAP NetWeaver 7.3
  • SAP NetWeaver 7.4

Product

SAP NetWeaver 7.3 ; SAP NetWeaver 7.4 ; SAP enhancement package 1 for SAP NetWeaver 7.3

Keywords

Process Integration 7.30, PI 7.30, Process Integration 7.31, PI 7.31, Process Orchestration 7.4, PI 7.4, PO 7.4, XI, Comparison method violates its general contract! See error logs for details , KBA , BC-XI-IBC , Integration Builder - Configuration , BC-XI-IBD , Integration Builder - Design , BC-XI-IBF , Framework , Problem

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