"java.lang.IllegalArgumentException: Comparison method violates its general contract!" Signalled While Executing ODI 12c Mapping (Doc ID 2184433.1)

Last updated on DECEMBER 02, 2016

Applies to:

Oracle Data Integrator - Version 12.2.1.0.0 and later
Information in this document applies to any platform.

Symptoms

The below error is thrown in Oracle Data Integrator (ODI) Studio while executing an ODI 12.2.1.0 and above Mapping (or during validation of the Mapping or during running the Mapping the simulation mode):

java.lang.IllegalArgumentException: Comparison method violates its general contract!
at java.util.TimSort.mergeHi(TimSort.java:899)
at java.util.TimSort.mergeAt(TimSort.java:516)
at java.util.TimSort.mergeForceCollapse(TimSort.java:457)
at java.util.TimSort.sort(TimSort.java:254)
at java.util.Arrays.sort(Arrays.java:1512)
at java.util.ArrayList.sort(ArrayList.java:1454)
at java.util.Collections.sort(Collections.java:175)
at oracle.odi.domain.root.PropertyOwner.getProperties(PropertyOwner.java:191)
at oracle.odi.domain.root.PropertyOwner.getProperties(PropertyOwner.java:174)
at oracle.odi.domain.mapping.MapComponent.getProperties(MapComponent.java:3011)
at oracle.odi.domain.mapping.MapComponentDelegator.getProperties(MapComponentDelegator.java:446)
at oracle.odi.ui.mapping.PropertyOwnerBinder.initializePropertyDefinitions(PropertyOwnerBinder.java:416)
at oracle.odi.ui.mapping.PropertyOwnerBinder.getProperties(PropertyOwnerBinder.java:242)
at oracle.odi.ui.mapping.mef.model.ComponentWrapper.getProperties(ComponentWrapper.java:263)
at oracle.cef.inspector.impl.DefaultInspectableObject.getProperties(DefaultInspectableObject.java:190)
at oracle.cef.inspector.impl.DefaultPropertyModel.defineProperties(DefaultPropertyModel.java:108)
at oracle.cef.inspector.PropertyModel.getProperties(PropertyModel.java:415)
at oracle.cef.inspector.PropertyModel.getRowCount(PropertyModel.java:152)
at oracle.ide.inspector.PropertyHelp.getHelpFrom(PropertyHelp.java:27)
at oracle.ideimpl.inspector.InspectorWindowImpl.updateHelp(InspectorWindowImpl.java:1328)
at oracle.ideimpl.inspector.InspectorWindowImpl.refresh(InspectorWindowImpl.java:1264)
at oracle.ideimpl.inspector.InspectorWindowImpl$1.actionPerformed(InspectorWindowImpl.java:276)
at javax.swing.Timer.fireActionPerformed(Timer.java:313)
at javax.swing.Timer$DoPostEvent.run(Timer.java:245)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:756)
at java.awt.EventQueue.access$500(EventQueue.java:97)
at java.awt.EventQueue$3.run(EventQueue.java:709)
at java.awt.EventQueue$3.run(EventQueue.java:703)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:726)
at oracle.javatools.internal.ui.EventQueueWrapper._dispatchEvent(EventQueueWrapper.java:169)
at oracle.javatools.internal.ui.EventQueueWrapper.dispatchEvent(EventQueueWrapper.java:151)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)

 

Cause

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