[JENKINS] Lucene-Solr-tests-only-trunk-java7 - Build # 2552 - Failure

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Build: https://builds.apache.org/job/Lucene-Solr-tests-only-trunk-java7/2552/

1 tests failed.
REGRESSION:  org.apache.solr.cloud.LeaderElectionIntegrationTest.testSimpleSliceLeaderElection

Error Message:
We didn't find a new leader! 7002 was shutdown, but it's still showing as the leader

Stack Trace:
java.lang.AssertionError: We didn't find a new leader! 7002 was shutdown, but it's still showing as the leader
	at __randomizedtesting.SeedInfo.seed([2D32FECC532BF290:7306338210546E77]:0)
	at org.junit.Assert.fail(Assert.java:93)
	at org.apache.solr.cloud.LeaderElectionIntegrationTest.testSimpleSliceLeaderElection(LeaderElectionIntegrationTest.java:201)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:601)
	at com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1969)
	at com.carrotsearch.randomizedtesting.RandomizedRunner.access$1100(RandomizedRunner.java:132)
	at com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:814)
	at com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:875)
	at com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:889)
	at com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:53)
	at org.apache.lucene.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:50)
	at org.apache.lucene.util.TestRuleFieldCacheSanity$1.evaluate(TestRuleFieldCacheSanity.java:32)
	at org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
	at com.carrotsearch.randomizedtesting.rules.SystemPropertiesInvariantRule$1.evaluate(SystemPropertiesInvariantRule.java:55)
	at org.apache.lucene.util.TestRuleReportUncaughtExceptions$1.evaluate(TestRuleReportUncaughtExceptions.java:68)
	at org.apache.lucene.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:48)
	at org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:48)
	at com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:821)
	at com.carrotsearch.randomizedtesting.RandomizedRunner.access$700(RandomizedRunner.java:132)
	at com.carrotsearch.randomizedtesting.RandomizedRunner$3$1.run(RandomizedRunner.java:669)
	at com.carrotsearch.randomizedtesting.RandomizedRunner$3.evaluate(RandomizedRunner.java:695)
	at com.carrotsearch.randomizedtesting.RandomizedRunner$4.evaluate(RandomizedRunner.java:734)
	at com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:745)
	at com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:53)
	at org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
	at org.apache.lucene.util.TestRuleReportUncaughtExceptions$1.evaluate(TestRuleReportUncaughtExceptions.java:68)
	at org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:38)
	at org.apache.lucene.util.TestRuleIcuHack$1.evaluate(TestRuleIcuHack.java:51)
	at com.carrotsearch.randomizedtesting.rules.SystemPropertiesInvariantRule$1.evaluate(SystemPropertiesInvariantRule.java:55)
	at org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:48)
	at com.carrotsearch.randomizedtesting.RandomizedRunner.runSuite(RandomizedRunner.java:605)
	at com.carrotsearch.randomizedtesting.RandomizedRunner.access$400(RandomizedRunner.java:132)
	at com.carrotsearch.randomizedtesting.RandomizedRunner$2.run(RandomizedRunner.java:551)




Build Log (for compile errors):
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