[JENKINS] Lucene-Solr-tests-only-trunk-java7 - Build # 2391 - Still Failing

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Build: https://builds.apache.org/job/Lucene-Solr-tests-only-trunk-java7/2391/

1 tests failed.
REGRESSION:  org.apache.solr.cloud.RecoveryZkTest.testDistribSearch

Error Message:
Thread threw an uncaught exception, thread: Thread[Lucene Merge Thread #1,6,]

Stack Trace:
java.lang.RuntimeException: Thread threw an uncaught exception, thread: Thread[Lucene Merge Thread #1,6,]
	at com.carrotsearch.randomizedtesting.RunnerThreadGroup.processUncaught(RunnerThreadGroup.java:96)
	at com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:848)
	at com.carrotsearch.randomizedtesting.RandomizedRunner.access$700(RandomizedRunner.java:131)
	at com.carrotsearch.randomizedtesting.RandomizedRunner$3$1.run(RandomizedRunner.java:668)
	at com.carrotsearch.randomizedtesting.RandomizedRunner$3.evaluate(RandomizedRunner.java:687)
	at com.carrotsearch.randomizedtesting.RandomizedRunner$4.evaluate(RandomizedRunner.java:723)
	at com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:734)
	at org.apache.lucene.util.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:63)
	at org.apache.lucene.util.UncaughtExceptionsRule$1.evaluate(UncaughtExceptionsRule.java:75)
	at org.apache.lucene.util.StoreClassNameRule$1.evaluate(StoreClassNameRule.java:38)
	at org.apache.lucene.util.SystemPropertiesInvariantRule$1.evaluate(SystemPropertiesInvariantRule.java:69)
	at com.carrotsearch.randomizedtesting.RandomizedRunner.runSuite(RandomizedRunner.java:604)
	at com.carrotsearch.randomizedtesting.RandomizedRunner.access$400(RandomizedRunner.java:131)
	at com.carrotsearch.randomizedtesting.RandomizedRunner$2.run(RandomizedRunner.java:550)
Caused by: org.apache.lucene.index.MergePolicy$MergeException: org.apache.lucene.store.AlreadyClosedException: this Directory is closed
	at __randomizedtesting.SeedInfo.seed([8BA910D0B66DC53E]:0)
	at org.apache.lucene.index.ConcurrentMergeScheduler.handleMergeException(ConcurrentMergeScheduler.java:507)
	at org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:480)
Caused by: org.apache.lucene.store.AlreadyClosedException: this Directory is closed
	at org.apache.lucene.store.Directory.ensureOpen(Directory.java:244)
	at org.apache.lucene.store.FSDirectory.listAll(FSDirectory.java:241)
	at org.apache.lucene.index.IndexFileDeleter.refresh(IndexFileDeleter.java:345)
	at org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:3019)
	at org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:382)
	at org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:451)




Build Log (for compile errors):
[...truncated 12184 lines...]