Evgenii Zhuravlev created IGNITE-7088:
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Summary: Wrong implementation of DIRECT comparator for ordering
cache start operations
Key: IGNITE-7088
URL: https://issues.apache.org/jira/browse/IGNITE-7088
Project: Ignite
Issue Type: Bug
Affects Versions: 2.3
Reporter: Evgenii Zhuravlev
Priority: Critical
Fix For: 2.4
{code:java}
java.lang.IllegalArgumentException: Comparison method violates its general
contract!
at java.util.TimSort.mergeHi(TimSort.java:899) ~[?:1.8.0_102]
at java.util.TimSort.mergeAt(TimSort.java:516) ~[?:1.8.0_102]
at java.util.TimSort.mergeForceCollapse(TimSort.java:457) ~[?:1.8.0_102]
at java.util.TimSort.sort(TimSort.java:254) ~[?:1.8.0_102]
at java.util.Arrays.sort(Arrays.java:1512) ~[?:1.8.0_102]
at java.util.ArrayList.sort(ArrayList.java:1454) ~[?:1.8.0_102]
at java.util.Collections.sort(Collections.java:175) ~[?:1.8.0_102]
at
org.apache.ignite.internal.processors.cache.ClusterCachesInfo.orderedCaches(ClusterCachesInfo.java:1616)
~[ignite-core-2.1.7.jar:2.1.7]
at
org.apache.ignite.internal.processors.cache.ClusterCachesInfo.cachesReceivedFromJoin(ClusterCachesInfo.java:839)
~[ignite-core-2.1.7.jar:2.1.7]
at
org.apache.ignite.internal.processors.cache.GridCacheProcessor.startReceivedCaches(GridCacheProcessor.java:1709)
~[ignite-core-2.1.7.jar:2.1.7]
at
org.apache.ignite.internal.processors.cache.distributed.dht.preloader.GridDhtPartitionsExchangeFuture.init(GridDhtPartitionsExchangeFuture.java:606)
[ignite-core-2.1.7.jar:2.1.7]
at
org.apache.ignite.internal.processors.cache.GridCachePartitionExchangeManager$ExchangeWorker.body(GridCachePartitionExchangeManager.java:2278)
[ignite-core-2.1.7.jar:2.1.7]
at
org.apache.ignite.internal.util.worker.GridWorker.run(GridWorker.java:110)
[ignite-core-2.1.7.jar:2.1.7]
at java.lang.Thread.run(Thread.java:745) [?:1.8.0_102]
{code}
When 2 not user cache will be compared using this comparator, this above
exception will be thrown.
As a workaround can be used environment variable
-Djava.util.Arrays.useLegacyMergeSort=true
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