Symptom
While migrating the universes from XI 3.1 to BI 4.2 none of the universes are migrated and UMT console logs show below error:-
"Objects of kind "Universe" were not updated because the "Universe" plugin failed unexpectedly while sorting these objects"
The UMT trace log file has the below exceptions:-
com.businessobjects.upgrademanager||IMigrationCallback#onFailure:
MigrationException$ThrowableWrapper: java.lang.IllegalArgumentException: Comparison method violates its general contract!
at com.businessobjects.migration.engine.exception.MigrationException.wrap(MigrationException.java:24)
at com.businessobjects.migration.engine.internal.MigrationEngine$2.run(MigrationEngine.java:507)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:812)
Caused by: java.lang.IllegalArgumentException: Comparison method violates its general contract!
at java.util.TimSort.mergeLo(TimSort.java:777)
at java.util.TimSort.mergeAt(TimSort.java:514)
at java.util.TimSort.mergeCollapse(TimSort.java:441)
at java.util.TimSort.sort(TimSort.java:245)
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 com.businessobjects.migration.engine.internal.MigrationEngine$2.run(MigrationEngine.java:502)
... 5 more�
|017321B79D134CDE886A5F3446775B4Cb5|2016 07 22 06:58:24.817|-0400|Error| |==|E| |upgrademanagementtool| 9920| 110|pool-3-thread-1 | ||||||||||||||||||||com.businessobjects.upgrademanager||IMigrationCallback#onFailure:
com.businessobjects.migration.engine.exception.MigrationException$ObjectSorting: Objects of kind "Universe" were not updated because the "Universe" plugin failed unexpectedly while sorting these objects.
at com.businessobjects.migration.engine.internal.MigrationEngine$2.run(MigrationEngine.java:509)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:812)
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Environment
- SAP BusinessObjects Business Intelligence 4.2
Product
Keywords
Universe, object of kind, sorting, BI 4.2, migration, UMT, universe plugin failed. , KBA , BI-BIP-UMT , Upgrade management tool , Problem
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