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Posted to dev@lucene.apache.org by Policeman Jenkins Server <je...@thetaphi.de> on 2015/11/05 15:53:32 UTC

[JENKINS-EA] Lucene-Solr-trunk-Linux (64bit/jdk1.9.0-ea-b90) - Build # 14797 - Failure!

Build: http://jenkins.thetaphi.de/job/Lucene-Solr-trunk-Linux/14797/
Java: 64bit/jdk1.9.0-ea-b90 -XX:-UseCompressedOops -XX:+UseParallelGC

4 tests failed.
FAILED:  junit.framework.TestSuite.org.apache.solr.cloud.CollectionsAPIDistributedZkTest

Error Message:
5 threads leaked from SUITE scope at org.apache.solr.cloud.CollectionsAPIDistributedZkTest:     1) Thread[id=6482, name=zkCallback-647-thread-1, state=TIMED_WAITING, group=TGRP-CollectionsAPIDistributedZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:218)         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:461)         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1082)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1143)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:632)         at java.lang.Thread.run(Thread.java:747)    2) Thread[id=6480, name=TEST-CollectionsAPIDistributedZkTest.test-seed#[D4D4F99E700B2311]-SendThread(127.0.0.1:44109), state=TIMED_WAITING, group=TGRP-CollectionsAPIDistributedZkTest]         at java.lang.Thread.sleep(Native Method)         at org.apache.zookeeper.client.StaticHostProvider.next(StaticHostProvider.java:101)         at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:940)         at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1003)    3) Thread[id=6481, name=TEST-CollectionsAPIDistributedZkTest.test-seed#[D4D4F99E700B2311]-EventThread, state=WAITING, group=TGRP-CollectionsAPIDistributedZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:178)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2061)         at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)         at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:494)    4) Thread[id=6630, name=zkCallback-647-thread-2, state=TIMED_WAITING, group=TGRP-CollectionsAPIDistributedZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:218)         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:461)         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1082)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1143)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:632)         at java.lang.Thread.run(Thread.java:747)    5) Thread[id=6631, name=zkCallback-647-thread-3, state=TIMED_WAITING, group=TGRP-CollectionsAPIDistributedZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:218)         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:461)         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1082)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1143)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:632)         at java.lang.Thread.run(Thread.java:747)

Stack Trace:
com.carrotsearch.randomizedtesting.ThreadLeakError: 5 threads leaked from SUITE scope at org.apache.solr.cloud.CollectionsAPIDistributedZkTest: 
   1) Thread[id=6482, name=zkCallback-647-thread-1, state=TIMED_WAITING, group=TGRP-CollectionsAPIDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:218)
        at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:461)
        at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1082)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1143)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:632)
        at java.lang.Thread.run(Thread.java:747)
   2) Thread[id=6480, name=TEST-CollectionsAPIDistributedZkTest.test-seed#[D4D4F99E700B2311]-SendThread(127.0.0.1:44109), state=TIMED_WAITING, group=TGRP-CollectionsAPIDistributedZkTest]
        at java.lang.Thread.sleep(Native Method)
        at org.apache.zookeeper.client.StaticHostProvider.next(StaticHostProvider.java:101)
        at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:940)
        at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1003)
   3) Thread[id=6481, name=TEST-CollectionsAPIDistributedZkTest.test-seed#[D4D4F99E700B2311]-EventThread, state=WAITING, group=TGRP-CollectionsAPIDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:178)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2061)
        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:494)
   4) Thread[id=6630, name=zkCallback-647-thread-2, state=TIMED_WAITING, group=TGRP-CollectionsAPIDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:218)
        at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:461)
        at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1082)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1143)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:632)
        at java.lang.Thread.run(Thread.java:747)
   5) Thread[id=6631, name=zkCallback-647-thread-3, state=TIMED_WAITING, group=TGRP-CollectionsAPIDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:218)
        at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:461)
        at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1082)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1143)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:632)
        at java.lang.Thread.run(Thread.java:747)
	at __randomizedtesting.SeedInfo.seed([D4D4F99E700B2311]:0)


FAILED:  junit.framework.TestSuite.org.apache.solr.cloud.CollectionsAPIDistributedZkTest

Error Message:
There are still zombie threads that couldn't be terminated:    1) Thread[id=6482, name=zkCallback-647-thread-1, state=TIMED_WAITING, group=TGRP-CollectionsAPIDistributedZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:218)         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:461)         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1082)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1143)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:632)         at java.lang.Thread.run(Thread.java:747)    2) Thread[id=6480, name=TEST-CollectionsAPIDistributedZkTest.test-seed#[D4D4F99E700B2311]-SendThread(127.0.0.1:44109), state=TIMED_WAITING, group=TGRP-CollectionsAPIDistributedZkTest]         at java.lang.Thread.sleep(Native Method)         at org.apache.zookeeper.client.StaticHostProvider.next(StaticHostProvider.java:101)         at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:940)         at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1003)    3) Thread[id=6630, name=zkCallback-647-thread-2, state=TIMED_WAITING, group=TGRP-CollectionsAPIDistributedZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:218)         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:461)         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1082)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1143)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:632)         at java.lang.Thread.run(Thread.java:747)    4) Thread[id=6631, name=zkCallback-647-thread-3, state=TIMED_WAITING, group=TGRP-CollectionsAPIDistributedZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:218)         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:461)         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1082)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1143)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:632)         at java.lang.Thread.run(Thread.java:747)

Stack Trace:
com.carrotsearch.randomizedtesting.ThreadLeakError: There are still zombie threads that couldn't be terminated:
   1) Thread[id=6482, name=zkCallback-647-thread-1, state=TIMED_WAITING, group=TGRP-CollectionsAPIDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:218)
        at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:461)
        at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1082)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1143)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:632)
        at java.lang.Thread.run(Thread.java:747)
   2) Thread[id=6480, name=TEST-CollectionsAPIDistributedZkTest.test-seed#[D4D4F99E700B2311]-SendThread(127.0.0.1:44109), state=TIMED_WAITING, group=TGRP-CollectionsAPIDistributedZkTest]
        at java.lang.Thread.sleep(Native Method)
        at org.apache.zookeeper.client.StaticHostProvider.next(StaticHostProvider.java:101)
        at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:940)
        at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1003)
   3) Thread[id=6630, name=zkCallback-647-thread-2, state=TIMED_WAITING, group=TGRP-CollectionsAPIDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:218)
        at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:461)
        at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1082)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1143)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:632)
        at java.lang.Thread.run(Thread.java:747)
   4) Thread[id=6631, name=zkCallback-647-thread-3, state=TIMED_WAITING, group=TGRP-CollectionsAPIDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:218)
        at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:461)
        at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1082)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1143)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:632)
        at java.lang.Thread.run(Thread.java:747)
	at __randomizedtesting.SeedInfo.seed([D4D4F99E700B2311]:0)


FAILED:  org.apache.solr.cloud.CollectionsAPIDistributedZkTest.test

Error Message:
Error from server at https://127.0.0.1:52361/awholynewcollection_0: Expected mime type application/octet-stream but got text/html. <html> <head> <meta http-equiv="Content-Type" content="text/html;charset=ISO-8859-1"/> <title>Error 500 </title> </head> <body> <h2>HTTP ERROR: 500</h2> <p>Problem accessing /awholynewcollection_0/select. Reason: <pre>    {trace=java.lang.NullPointerException  at org.apache.solr.servlet.HttpSolrCall.getCoreByCollection(HttpSolrCall.java:786)  at org.apache.solr.servlet.HttpSolrCall.init(HttpSolrCall.java:270)  at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:415)  at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:220)  at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:179)  at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)  at org.apache.solr.client.solrj.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:109)  at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)  at org.eclipse.jetty.servlets.UserAgentFilter.doFilter(UserAgentFilter.java:83)  at org.eclipse.jetty.servlets.GzipFilter.doFilter(GzipFilter.java:364)  at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)  at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:585)  at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:221)  at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1127)  at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515)  at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)  at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1061)  at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)  at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)  at org.eclipse.jetty.server.Server.handle(Server.java:499)  at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:310)  at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:257)  at org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:540)  at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)  at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)  at java.lang.Thread.run(Thread.java:747) ,code=500}</pre></p> <hr /><i><small>Powered by Jetty://</small></i> </body> </html> 

Stack Trace:
org.apache.solr.client.solrj.impl.HttpSolrClient$RemoteSolrException: Error from server at https://127.0.0.1:52361/awholynewcollection_0: Expected mime type application/octet-stream but got text/html. <html>
<head>
<meta http-equiv="Content-Type" content="text/html;charset=ISO-8859-1"/>
<title>Error 500 </title>
</head>
<body>
<h2>HTTP ERROR: 500</h2>
<p>Problem accessing /awholynewcollection_0/select. Reason:
<pre>    {trace=java.lang.NullPointerException
	at org.apache.solr.servlet.HttpSolrCall.getCoreByCollection(HttpSolrCall.java:786)
	at org.apache.solr.servlet.HttpSolrCall.init(HttpSolrCall.java:270)
	at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:415)
	at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:220)
	at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:179)
	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
	at org.apache.solr.client.solrj.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:109)
	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
	at org.eclipse.jetty.servlets.UserAgentFilter.doFilter(UserAgentFilter.java:83)
	at org.eclipse.jetty.servlets.GzipFilter.doFilter(GzipFilter.java:364)
	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:585)
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:221)
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1127)
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515)
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1061)
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
	at org.eclipse.jetty.server.Server.handle(Server.java:499)
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:310)
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:257)
	at org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:540)
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)
	at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)
	at java.lang.Thread.run(Thread.java:747)
,code=500}</pre></p>
<hr /><i><small>Powered by Jetty://</small></i>
</body>
</html>

	at __randomizedtesting.SeedInfo.seed([D4D4F99E700B2311:5C80C644DEF74EE9]:0)
	at org.apache.solr.client.solrj.impl.HttpSolrClient.executeMethod(HttpSolrClient.java:543)
	at org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:241)
	at org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:230)
	at org.apache.solr.client.solrj.SolrRequest.process(SolrRequest.java:150)
	at org.apache.solr.client.solrj.SolrClient.query(SolrClient.java:943)
	at org.apache.solr.client.solrj.SolrClient.query(SolrClient.java:958)
	at org.apache.solr.cloud.AbstractFullDistribZkTestBase.waitForNon403or404or503(AbstractFullDistribZkTestBase.java:1754)
	at org.apache.solr.cloud.CollectionsAPIDistributedZkTest.testCollectionsAPI(CollectionsAPIDistributedZkTest.java:665)
	at org.apache.solr.cloud.CollectionsAPIDistributedZkTest.test(CollectionsAPIDistributedZkTest.java:167)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:520)
	at com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1660)
	at com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:866)
	at com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:902)
	at com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:916)
	at org.apache.solr.BaseDistributedSearchTestCase$ShardsRepeatRule$ShardsFixedStatement.callStatement(BaseDistributedSearchTestCase.java:963)
	at org.apache.solr.BaseDistributedSearchTestCase$ShardsRepeatRule$ShardsStatement.evaluate(BaseDistributedSearchTestCase.java:938)
	at com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
	at org.apache.lucene.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:50)
	at org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:46)
	at org.apache.lucene.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:49)
	at org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:65)
	at org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:48)
	at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
	at com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:367)
	at com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:809)
	at com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:460)
	at com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:875)
	at com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:777)
	at com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:811)
	at com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:822)
	at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
	at com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
	at org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:46)
	at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
	at org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:42)
	at com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
	at com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
	at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
	at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
	at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
	at org.apache.lucene.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:54)
	at org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:48)
	at org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:65)
	at org.apache.lucene.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:55)
	at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
	at com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:367)
	at java.lang.Thread.run(Thread.java:747)


FAILED:  org.apache.solr.cloud.OverseerTest.testOverseerStatsReset

Error Message:
expected:<1> but was:<2>

Stack Trace:
java.lang.AssertionError: expected:<1> but was:<2>
	at __randomizedtesting.SeedInfo.seed([D4D4F99E700B2311:7F801EA2E5D1801F]:0)
	at org.junit.Assert.fail(Assert.java:93)
	at org.junit.Assert.failNotEquals(Assert.java:647)
	at org.junit.Assert.assertEquals(Assert.java:128)
	at org.junit.Assert.assertEquals(Assert.java:472)
	at org.junit.Assert.assertEquals(Assert.java:456)
	at org.apache.solr.cloud.OverseerTest.testOverseerStatsReset(OverseerTest.java:722)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:520)
	at com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1660)
	at com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:866)
	at com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:902)
	at com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:916)
	at com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
	at org.apache.lucene.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:50)
	at org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:46)
	at org.apache.lucene.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:49)
	at org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:65)
	at org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:48)
	at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
	at com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:367)
	at com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:809)
	at com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:460)
	at com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:875)
	at com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:777)
	at com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:811)
	at com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:822)
	at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
	at com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
	at org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:46)
	at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
	at org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:42)
	at com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
	at com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
	at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
	at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
	at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
	at org.apache.lucene.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:54)
	at org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:48)
	at org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:65)
	at org.apache.lucene.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:55)
	at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
	at com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:367)
	at java.lang.Thread.run(Thread.java:747)




Build Log:
[...truncated 9526 lines...]
   [junit4] Suite: org.apache.solr.cloud.OverseerTest
   [junit4]   2> Creating dataDir: /home/jenkins/workspace/Lucene-Solr-trunk-Linux/solr/build/solr-core/test/J2/temp/solr.cloud.OverseerTest_D4D4F99E700B2311-001/init-core-data-001
   [junit4]   2> 0    INFO  (SUITE-OverseerTest-seed#[D4D4F99E700B2311]-worker) [    ] o.a.s.SolrTestCaseJ4 Randomized ssl (false) and clientAuth (true)
   [junit4]   2> 19   INFO  (SUITE-OverseerTest-seed#[D4D4F99E700B2311]-worker) [    ] o.a.s.SolrTestCaseJ4 ####initCore
   [junit4]   2> 20   INFO  (SUITE-OverseerTest-seed#[D4D4F99E700B2311]-worker) [    ] o.a.s.SolrTestCaseJ4 ####initCore end
   [junit4]   2> 35   INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.SolrTestCaseJ4 ###Starting testShardLeaderChange
   [junit4]   2> 68   INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.ZkTestServer STARTING ZK TEST SERVER
   [junit4]   2> 73   INFO  (Thread-1) [    ] o.a.s.c.ZkTestServer client port:0.0.0.0/0.0.0.0:0
   [junit4]   2> 73   INFO  (Thread-1) [    ] o.a.s.c.ZkTestServer Starting server
   [junit4]   2> 173  INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.ZkTestServer start zk server on port:49863
   [junit4]   2> 194  INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.SolrZkClient Using default ZkCredentialsProvider
   [junit4]   2> 234  INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 274  INFO  (zkCallback-1-thread-1) [    ] o.a.s.c.c.ConnectionManager Watcher org.apache.solr.common.cloud.ConnectionManager@196ee4e7 name:ZooKeeperConnection Watcher:127.0.0.1:49863/solr got event WatchedEvent state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 274  INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 277  INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.SolrZkClient Using default ZkACLProvider
   [junit4]   2> 278  INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.SolrZkClient Using default ZkCredentialsProvider
   [junit4]   2> 279  INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 296  INFO  (zkCallback-2-thread-1) [    ] o.a.s.c.c.ConnectionManager Watcher org.apache.solr.common.cloud.ConnectionManager@116461e9 name:ZooKeeperConnection Watcher:127.0.0.1:49863 got event WatchedEvent state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 296  INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 297  INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.SolrZkClient Using default ZkACLProvider
   [junit4]   2> 313  INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.SolrZkClient Using default ZkCredentialsProvider
   [junit4]   2> 313  INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 316  INFO  (zkCallback-3-thread-1) [    ] o.a.s.c.c.ConnectionManager Watcher org.apache.solr.common.cloud.ConnectionManager@39ae3b7e name:ZooKeeperConnection Watcher:127.0.0.1:49863 got event WatchedEvent state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 316  INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 317  INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.SolrZkClient Using default ZkACLProvider
   [junit4]   2> 318  INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.SolrZkClient makePath: /solr
   [junit4]   2> 340  INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.SolrZkClient makePath: /live_nodes
   [junit4]   2> 344  INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.SolrZkClient makePath: /collections
   [junit4]   2> 347  INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.SolrZkClient makePath: /aliases.json
   [junit4]   2> 351  INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.SolrZkClient makePath: /clusterstate.json
   [junit4]   2> 355  INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.SolrZkClient makePath: /security.json
   [junit4]   2> 358  INFO  (Thread-2) [    ] o.a.s.c.c.SolrZkClient Using default ZkCredentialsProvider
   [junit4]   2> 358  INFO  (Thread-2) [    ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 364  INFO  (zkCallback-4-thread-1) [    ] o.a.s.c.c.ConnectionManager Watcher org.apache.solr.common.cloud.ConnectionManager@5d34f48f name:ZooKeeperConnection Watcher:127.0.0.1:49863/solr got event WatchedEvent state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 364  INFO  (Thread-2) [    ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 364  INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.SolrZkClient Using default ZkCredentialsProvider
   [junit4]   2> 365  INFO  (Thread-2) [    ] o.a.s.c.c.SolrZkClient Using default ZkACLProvider
   [junit4]   2> 366  INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 367  INFO  (zkCallback-5-thread-1) [    ] o.a.s.c.c.ConnectionManager Watcher org.apache.solr.common.cloud.ConnectionManager@33c33db9 name:ZooKeeperConnection Watcher:127.0.0.1:49863/solr got event WatchedEvent state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 385  INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 385  INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.SolrZkClient Using default ZkACLProvider
   [junit4]   2> 389  INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.ZkStateReader Updating cluster state from ZooKeeper... 
   [junit4]   2> 418  INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.SolrZkClient makePath: /live_nodes/node1
   [junit4]   2> 428  INFO  (zkCallback-5-thread-1) [    ] o.a.s.c.c.ZkStateReader A live node change: WatchedEvent state:SyncConnected type:NodeChildrenChanged path:/live_nodes, has occurred - updating... (live nodes size: 0)
   [junit4]   2> 438  INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.SolrZkClient makePath: /overseer/queue
   [junit4]   2> 557  INFO  (Thread-2) [    ] o.a.s.u.UpdateShardHandler Creating UpdateShardHandler HTTP client with params: socketTimeout=600000&connTimeout=60000&retry=true
   [junit4]   2> 631  INFO  (Thread-2) [    ] o.a.s.c.c.SolrZkClient makePath: /overseer_elect
   [junit4]   2> 634  INFO  (Thread-2) [    ] o.a.s.c.c.SolrZkClient makePath: /overseer_elect/election
   [junit4]   2> 643  INFO  (Thread-2) [    ] o.a.s.c.Overseer Overseer (id=null) closing
   [junit4]   2> 645  INFO  (Thread-2) [    ] o.a.s.c.LeaderElector Joined leadership election with path: /overseer_elect/election/94813186114191363-127.0.0.1:49863_solr-n_0000000000
   [junit4]   2> 653  INFO  (Thread-2) [    ] o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:49863_solr
   [junit4]   2> 653  INFO  (Thread-2) [    ] o.a.s.c.c.SolrZkClient makePath: /overseer_elect/leader
   [junit4]   2> 655  INFO  (Thread-2) [    ] o.a.s.c.Overseer Overseer (id=94813186114191363-127.0.0.1:49863_solr-n_0000000000) starting
   [junit4]   2> 668  INFO  (Thread-2) [    ] o.a.s.c.c.SolrZkClient makePath: /overseer/queue-work
   [junit4]   2> 674  INFO  (Thread-2) [    ] o.a.s.c.c.SolrZkClient makePath: /overseer/collection-map-failure
   [junit4]   2> 677  INFO  (Thread-2) [    ] o.a.s.c.c.SolrZkClient makePath: /overseer/collection-map-running
   [junit4]   2> 680  INFO  (Thread-2) [    ] o.a.s.c.c.SolrZkClient makePath: /overseer/collection-map-completed
   [junit4]   2> 687  INFO  (Thread-2) [    ] o.a.s.c.c.SolrZkClient makePath: /overseer/collection-queue-work
   [junit4]   2> 705  INFO  (Thread-2) [    ] o.a.s.c.OverseerAutoReplicaFailoverThread Starting OverseerAutoReplicaFailoverThread autoReplicaFailoverWorkLoopDelay=10000 autoReplicaFailoverWaitAfterExpiration=30000 autoReplicaFailoverBadNodeExpiration=60000
   [junit4]   2> 769  INFO  (OverseerCollectionConfigSetProcessor-94813186114191363-127.0.0.1:49863_solr-n_0000000000) [    ] o.a.s.c.OverseerTaskProcessor Process current queue of overseer operations
   [junit4]   2> 769  INFO  (Thread-2) [    ] o.a.s.SolrTestCaseJ4 Killing overseer.
   [junit4]   2> 772  INFO  (Thread-2) [    ] o.a.s.c.c.SolrZkClient Using default ZkCredentialsProvider
   [junit4]   2> 772  INFO  (OverseerStateUpdate-94813186114191363-127.0.0.1:49863_solr-n_0000000000) [    ] o.a.s.c.Overseer Starting to work on the main queue
   [junit4]   2> 775  ERROR (OverseerCollectionConfigSetProcessor-94813186114191363-127.0.0.1:49863_solr-n_0000000000) [    ] o.a.s.c.OverseerTaskProcessor :org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = Session expired for /overseer/collection-queue-work
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:127)
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
   [junit4]   2> 	at org.apache.zookeeper.ZooKeeper.getChildren(ZooKeeper.java:1472)
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient$6.execute(SolrZkClient.java:336)
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient$6.execute(SolrZkClient.java:333)
   [junit4]   2> 	at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:61)
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient.getChildren(SolrZkClient.java:333)
   [junit4]   2> 	at org.apache.solr.cloud.DistributedQueue.fetchZkChildren(DistributedQueue.java:310)
   [junit4]   2> 	at org.apache.solr.cloud.OverseerTaskQueue.getTailId(OverseerTaskQueue.java:270)
   [junit4]   2> 	at org.apache.solr.cloud.OverseerTaskProcessor.run(OverseerTaskProcessor.java:144)
   [junit4]   2> 	at java.lang.Thread.run(Thread.java:747)
   [junit4]   2> 
   [junit4]   2> 776  ERROR (OverseerCollectionConfigSetProcessor-94813186114191363-127.0.0.1:49863_solr-n_0000000000) [    ] o.a.s.c.OverseerTaskProcessor Unable to prioritize overseer 
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = Session expired for /roles.json
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:127)
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
   [junit4]   2> 	at org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:1045)
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient$5.execute(SolrZkClient.java:319)
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient$5.execute(SolrZkClient.java:316)
   [junit4]   2> 	at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:61)
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient.exists(SolrZkClient.java:316)
   [junit4]   2> 	at org.apache.solr.cloud.OverseerNodePrioritizer.prioritizeOverseerNodes(OverseerNodePrioritizer.java:59)
   [junit4]   2> 	at org.apache.solr.cloud.OverseerTaskProcessor.run(OverseerTaskProcessor.java:159)
   [junit4]   2> 	at java.lang.Thread.run(Thread.java:747)
   [junit4]   2> 778  INFO  (zkCallback-7-thread-1) [    ] o.a.s.c.c.ConnectionManager Watcher org.apache.solr.common.cloud.ConnectionManager@1579c8e0 name:ZooKeeperConnection Watcher:127.0.0.1:49863/solr got event WatchedEvent state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 779  INFO  (OverseerCollectionConfigSetProcessor-94813186114191363-127.0.0.1:49863_solr-n_0000000000) [    ] o.a.s.c.OverseerTaskProcessor 
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = Session expired for /overseer_elect/leader
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:127)
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
   [junit4]   2> 	at org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1155)
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient$7.execute(SolrZkClient.java:353)
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient$7.execute(SolrZkClient.java:350)
   [junit4]   2> 	at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:61)
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:350)
   [junit4]   2> 	at org.apache.solr.cloud.OverseerTaskProcessor.amILeader(OverseerTaskProcessor.java:355)
   [junit4]   2> 	at org.apache.solr.cloud.OverseerTaskProcessor.run(OverseerTaskProcessor.java:172)
   [junit4]   2> 	at java.lang.Thread.run(Thread.java:747)
   [junit4]   2> 778  INFO  (Thread-2) [    ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 776  INFO  (OverseerStateUpdate-94813186114191363-127.0.0.1:49863_solr-n_0000000000) [    ] o.a.s.c.Overseer 
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = Session expired for /overseer_elect/leader
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:127)
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
   [junit4]   2> 	at org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1155)
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient$7.execute(SolrZkClient.java:353)
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient$7.execute(SolrZkClient.java:350)
   [junit4]   2> 	at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:61)
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:350)
   [junit4]   2> 	at org.apache.solr.cloud.Overseer$ClusterStateUpdater.amILeader(Overseer.java:411)
   [junit4]   2> 	at org.apache.solr.cloud.Overseer$ClusterStateUpdater.run(Overseer.java:143)
   [junit4]   2> 	at java.lang.Thread.run(Thread.java:747)
   [junit4]   2> 779  INFO  (OverseerCollectionConfigSetProcessor-94813186114191363-127.0.0.1:49863_solr-n_0000000000) [    ] o.a.s.c.OverseerTaskProcessor According to ZK I (id=94813186114191363-127.0.0.1:49863_solr-n_0000000000) am no longer a leader.
   [junit4]   2> 779  INFO  (Thread-2) [    ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 781  INFO  (OverseerStateUpdate-94813186114191363-127.0.0.1:49863_solr-n_0000000000) [    ] o.a.s.c.Overseer According to ZK I (id=94813186114191363-127.0.0.1:49863_solr-n_0000000000) am no longer a leader.
   [junit4]   2> 781  INFO  (Thread-2) [    ] o.a.s.c.c.SolrZkClient Using default ZkACLProvider
   [junit4]   2> 781  INFO  (OverseerStateUpdate-94813186114191363-127.0.0.1:49863_solr-n_0000000000) [    ] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:49863_solr
   [junit4]   2> 781  INFO  (Thread-2) [    ] o.a.s.c.Overseer Overseer (id=94813186114191363-127.0.0.1:49863_solr-n_0000000000) closing
   [junit4]   2> 782  INFO  (Thread-2) [    ] o.a.s.u.UpdateShardHandler Creating UpdateShardHandler HTTP client with params: socketTimeout=600000&connTimeout=60000&retry=true
   [junit4]   2> 782  ERROR (OverseerExitThread) [    ] o.a.s.c.Overseer could not read the data
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = Session expired for /overseer_elect/leader
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:127)
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
   [junit4]   2> 	at org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1155)
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient$7.execute(SolrZkClient.java:353)
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient$7.execute(SolrZkClient.java:350)
   [junit4]   2> 	at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:61)
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:350)
   [junit4]   2> 	at org.apache.solr.cloud.Overseer$ClusterStateUpdater.checkIfIamStillLeader(Overseer.java:304)
   [junit4]   2> 	at org.apache.solr.cloud.Overseer$ClusterStateUpdater.access$300(Overseer.java:87)
   [junit4]   2> 	at org.apache.solr.cloud.Overseer$ClusterStateUpdater$2.run(Overseer.java:265)
   [junit4]   2> 784  INFO  (Thread-2) [    ] o.a.s.c.Overseer Overseer (id=null) closing
   [junit4]   2> 785  INFO  (Thread-2) [    ] o.a.s.c.LeaderElector Joined leadership election with path: /overseer_elect/election/94813186114191365-127.0.0.1:49863_solr-n_0000000001
   [junit4]   2> 785  INFO  (Thread-2) [    ] o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:49863_solr
   [junit4]   2> 785  INFO  (Thread-2) [    ] o.a.s.c.c.SolrZkClient makePath: /overseer_elect/leader
   [junit4]   2> 787  INFO  (Thread-2) [    ] o.a.s.c.Overseer Overseer (id=94813186114191365-127.0.0.1:49863_solr-n_0000000001) starting
   [junit4]   2> 796  INFO  (Thread-2) [    ] o.a.s.c.OverseerAutoReplicaFailoverThread Starting OverseerAutoReplicaFailoverThread autoReplicaFailoverWorkLoopDelay=10000 autoReplicaFailoverWaitAfterExpiration=30000 autoReplicaFailoverBadNodeExpiration=60000
   [junit4]   2> 797  INFO  (OverseerStateUpdate-94813186114191365-127.0.0.1:49863_solr-n_0000000001) [    ] o.a.s.c.Overseer Starting to work on the main queue
   [junit4]   2> 797  INFO  (OverseerStateUpdate-94813186114191365-127.0.0.1:49863_solr-n_0000000001) [    ] o.a.s.c.c.ZkStateReader Updating cluster state from ZooKeeper... 
   [junit4]   2> 797  INFO  (OverseerCollectionConfigSetProcessor-94813186114191365-127.0.0.1:49863_solr-n_0000000001) [    ] o.a.s.c.OverseerTaskProcessor Process current queue of overseer operations
   [junit4]   2> 803  INFO  (OverseerStateUpdate-94813186114191365-127.0.0.1:49863_solr-n_0000000001) [    ] o.a.s.c.Overseer processMessage: queueSize: 1, message = {
   [junit4]   2>   "operation":"state",
   [junit4]   2>   "state":"active",
   [junit4]   2>   "node_name":"node1",
   [junit4]   2>   "core":"core1",
   [junit4]   2>   "core_node_name":"node1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "numShards":"1",
   [junit4]   2>   "base_url":"http://node1/solr/"} current state version: 0
   [junit4]   2> 809  INFO  (OverseerStateUpdate-94813186114191365-127.0.0.1:49863_solr-n_0000000001) [    ] o.a.s.c.o.ReplicaMutator Update state numShards=1 message={
   [junit4]   2>   "operation":"state",
   [junit4]   2>   "state":"active",
   [junit4]   2>   "node_name":"node1",
   [junit4]   2>   "core":"core1",
   [junit4]   2>   "core_node_name":"node1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "numShards":"1",
   [junit4]   2>   "base_url":"http://node1/solr/"}
   [junit4]   2> 810  INFO  (OverseerStateUpdate-94813186114191365-127.0.0.1:49863_solr-n_0000000001) [    ] o.a.s.c.o.ClusterStateMutator building a new cName: collection1
   [junit4]   2> 816  INFO  (OverseerStateUpdate-94813186114191365-127.0.0.1:49863_solr-n_0000000001) [    ] o.a.s.c.o.ReplicaMutator Assigning new node to shard shard=shard1
   [junit4]   2> 821  INFO  (zkCallback-5-thread-1) [    ] o.a.s.c.c.ZkStateReader A cluster state change: WatchedEvent state:SyncConnected type:NodeDataChanged path:/clusterstate.json, has occurred - updating... (live nodes size: 1)
   [junit4]   2> 821  INFO  (zkCallback-7-thread-1) [    ] o.a.s.c.c.ZkStateReader A cluster state change: WatchedEvent state:SyncConnected type:NodeDataChanged path:/clusterstate.json, has occurred - updating... (live nodes size: 1)
   [junit4]   2> 968  INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.SolrZkClient makePath: /collections/collection1/leader_elect/shard1/election
   [junit4]   2> 970  INFO  (zkCallback-7-thread-1) [    ] o.a.s.c.c.ZkStateReader A collections change: WatchedEvent state:SyncConnected type:NodeChildrenChanged path:/collections, has occurred - updating...
   [junit4]   2> 970  INFO  (zkCallback-5-thread-1) [    ] o.a.s.c.c.ZkStateReader A collections change: WatchedEvent state:SyncConnected type:NodeChildrenChanged path:/collections, has occurred - updating...
   [junit4]   2> 980  INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.LeaderElector Joined leadership election with path: /collections/collection1/leader_elect/shard1/election/94813186114191364-node1_core1-n_0000000000
   [junit4]   2> 985  INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.SolrZkClient makePath: /collections/collection1/leaders/shard1
   [junit4]   2> 1002 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node
   [junit4]   2> 1016 INFO  (OverseerStateUpdate-94813186114191365-127.0.0.1:49863_solr-n_0000000001) [    ] o.a.s.c.Overseer processMessage: queueSize: 1, message = {
   [junit4]   2>   "operation":"leader",
   [junit4]   2>   "shard":"shard1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "base_url":"http://node1/solr/",
   [junit4]   2>   "core":"core1"} current state version: 1
   [junit4]   2> 1017 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.SolrZkClient makePath: /collections/collection1/leader_elect/shard1/election
   [junit4]   2> 1021 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.LeaderElector Joined leadership election with path: /collections/collection1/leader_elect/shard1/election/94813186114191364-node1_core1-n_0000000001
   [junit4]   2> 1022 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.LeaderElector was going to be leader /collections/collection1/leader_elect/shard1/election/94813186114191364-node1_core1-n_0000000001 , seq(0) /collections/collection1/leader_elect/shard1/election/94813186114191364-node1_core1-n_0000000000
   [junit4]   2> 1022 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.SolrZkClient Using default ZkCredentialsProvider
   [junit4]   2> 1023 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1025 INFO  (zkCallback-9-thread-1) [    ] o.a.s.c.c.ConnectionManager Watcher org.apache.solr.common.cloud.ConnectionManager@5d4e069e name:ZooKeeperConnection Watcher:127.0.0.1:49863/solr got event WatchedEvent state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 1026 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1026 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.SolrZkClient Using default ZkACLProvider
   [junit4]   2> 1028 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.ZkStateReader Updating cluster state from ZooKeeper... 
   [junit4]   2> 1032 INFO  (OverseerStateUpdate-94813186114191365-127.0.0.1:49863_solr-n_0000000001) [    ] o.a.s.c.Overseer processMessage: queueSize: 1, message = {
   [junit4]   2>   "operation":"state",
   [junit4]   2>   "state":"recovering",
   [junit4]   2>   "node_name":"node1",
   [junit4]   2>   "core":"core1",
   [junit4]   2>   "core_node_name":"node1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "numShards":"1",
   [junit4]   2>   "base_url":"http://node1/solr/"} current state version: 1
   [junit4]   2> 1033 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.SolrZkClient makePath: /live_nodes/node2
   [junit4]   2> 1033 INFO  (OverseerStateUpdate-94813186114191365-127.0.0.1:49863_solr-n_0000000001) [    ] o.a.s.c.o.ReplicaMutator Update state numShards=1 message={
   [junit4]   2>   "operation":"state",
   [junit4]   2>   "state":"recovering",
   [junit4]   2>   "node_name":"node1",
   [junit4]   2>   "core":"core1",
   [junit4]   2>   "core_node_name":"node1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "numShards":"1",
   [junit4]   2>   "base_url":"http://node1/solr/"}
   [junit4]   2> 1033 INFO  (OverseerStateUpdate-94813186114191365-127.0.0.1:49863_solr-n_0000000001) [    ] o.a.s.c.o.ReplicaMutator shard=shard1 is already registered
   [junit4]   2> 1034 INFO  (zkCallback-7-thread-1) [    ] o.a.s.c.c.ZkStateReader A live node change: WatchedEvent state:SyncConnected type:NodeChildrenChanged path:/live_nodes, has occurred - updating... (live nodes size: 1)
   [junit4]   2> 1034 INFO  (zkCallback-5-thread-1) [    ] o.a.s.c.c.ZkStateReader A live node change: WatchedEvent state:SyncConnected type:NodeChildrenChanged path:/live_nodes, has occurred - updating... (live nodes size: 1)
   [junit4]   2> 1034 INFO  (zkCallback-9-thread-1) [    ] o.a.s.c.c.ZkStateReader A live node change: WatchedEvent state:SyncConnected type:NodeChildrenChanged path:/live_nodes, has occurred - updating... (live nodes size: 1)
   [junit4]   2> 1046 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.SolrZkClient makePath: /collections/collection1/leader_elect/shard1/election
   [junit4]   2> 1051 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.LeaderElector Joined leadership election with path: /collections/collection1/leader_elect/shard1/election/94813186114191364-node1_core1-n_0000000002
   [junit4]   2> 1052 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.LeaderElector was going to be leader /collections/collection1/leader_elect/shard1/election/94813186114191364-node1_core1-n_0000000002 , seq(0) /collections/collection1/leader_elect/shard1/election/94813186114191364-node1_core1-n_0000000000
   [junit4]   2> 1052 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.ZkStateReader Updating cluster state from ZooKeeper... 
   [junit4]   2> 1053 INFO  (OverseerStateUpdate-94813186114191365-127.0.0.1:49863_solr-n_0000000001) [    ] o.a.s.c.Overseer processMessage: queueSize: 1, message = {
   [junit4]   2>   "operation":"state",
   [junit4]   2>   "state":"active",
   [junit4]   2>   "node_name":"node1",
   [junit4]   2>   "core":"core1",
   [junit4]   2>   "core_node_name":"node1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "numShards":"1",
   [junit4]   2>   "base_url":"http://node1/solr/"} current state version: 1
   [junit4]   2> 1053 INFO  (OverseerStateUpdate-94813186114191365-127.0.0.1:49863_solr-n_0000000001) [    ] o.a.s.c.o.ReplicaMutator Update state numShards=1 message={
   [junit4]   2>   "operation":"state",
   [junit4]   2>   "state":"active",
   [junit4]   2>   "node_name":"node1",
   [junit4]   2>   "core":"core1",
   [junit4]   2>   "core_node_name":"node1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "numShards":"1",
   [junit4]   2>   "base_url":"http://node1/solr/"}
   [junit4]   2> 1054 INFO  (OverseerStateUpdate-94813186114191365-127.0.0.1:49863_solr-n_0000000001) [    ] o.a.s.c.o.ReplicaMutator shard=shard1 is already registered
   [junit4]   2> 1160 INFO  (zkCallback-1-thread-1) [    ] o.a.s.c.c.ZkStateReader A cluster state change: WatchedEvent state:SyncConnected type:NodeDataChanged path:/clusterstate.json, has occurred - updating... (live nodes size: 2)
   [junit4]   2> 1160 INFO  (zkCallback-7-thread-1) [    ] o.a.s.c.c.ZkStateReader A cluster state change: WatchedEvent state:SyncConnected type:NodeDataChanged path:/clusterstate.json, has occurred - updating... (live nodes size: 2)
   [junit4]   2> 1160 INFO  (zkCallback-5-thread-1) [    ] o.a.s.c.c.ZkStateReader A cluster state change: WatchedEvent state:SyncConnected type:NodeDataChanged path:/clusterstate.json, has occurred - updating... (live nodes size: 2)
   [junit4]   2> 1162 INFO  (zkCallback-9-thread-1) [    ] o.a.s.c.c.ZkStateReader A cluster state change: WatchedEvent state:SyncConnected type:NodeDataChanged path:/clusterstate.json, has occurred - updating... (live nodes size: 2)
   [junit4]   2> 1264 INFO  (OverseerStateUpdate-94813186114191365-127.0.0.1:49863_solr-n_0000000001) [    ] o.a.s.c.Overseer processMessage: queueSize: 1, message = {
   [junit4]   2>   "operation":"state",
   [junit4]   2>   "state":"active",
   [junit4]   2>   "node_name":"node2",
   [junit4]   2>   "core":"core4",
   [junit4]   2>   "core_node_name":"node2",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "numShards":"1",
   [junit4]   2>   "base_url":"http://node2/solr/"} current state version: 2
   [junit4]   2> 1265 INFO  (OverseerStateUpdate-94813186114191365-127.0.0.1:49863_solr-n_0000000001) [    ] o.a.s.c.o.ReplicaMutator Update state numShards=1 message={
   [junit4]   2>   "operation":"state",
   [junit4]   2>   "state":"active",
   [junit4]   2>   "node_name":"node2",
   [junit4]   2>   "core":"core4",
   [junit4]   2>   "core_node_name":"node2",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "numShards":"1",
   [junit4]   2>   "base_url":"http://node2/solr/"}
   [junit4]   2> 1265 INFO  (OverseerStateUpdate-94813186114191365-127.0.0.1:49863_solr-n_0000000001) [    ] o.a.s.c.o.ReplicaMutator Collection already exists with numShards=1
   [junit4]   2> 1265 INFO  (OverseerStateUpdate-94813186114191365-127.0.0.1:49863_solr-n_0000000001) [    ] o.a.s.c.o.ReplicaMutator Assigning new node to shard shard=shard1
   [junit4]   2> 1369 INFO  (zkCallback-7-thread-1) [    ] o.a.s.c.c.ZkStateReader A cluster state change: WatchedEvent state:SyncConnected type:NodeDataChanged path:/clusterstate.json, has occurred - updating... (live nodes size: 2)
   [junit4]   2> 1369 INFO  (zkCallback-1-thread-1) [    ] o.a.s.c.c.ZkStateReader A cluster state change: WatchedEvent state:SyncConnected type:NodeDataChanged path:/clusterstate.json, has occurred - updating... (live nodes size: 2)
   [junit4]   2> 1369 INFO  (zkCallback-5-thread-1) [    ] o.a.s.c.c.ZkStateReader A cluster state change: WatchedEvent state:SyncConnected type:NodeDataChanged path:/clusterstate.json, has occurred - updating... (live nodes size: 2)
   [junit4]   2> 1370 INFO  (zkCallback-9-thread-1) [    ] o.a.s.c.c.ZkStateReader A cluster state change: WatchedEvent state:SyncConnected type:NodeDataChanged path:/clusterstate.json, has occurred - updating... (live nodes size: 2)
   [junit4]   2> 1762 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.SolrZkClient makePath: /collections/collection1/leader_elect/shard1/election
   [junit4]   2> 1767 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.LeaderElector Joined leadership election with path: /collections/collection1/leader_elect/shard1/election/94813186114191366-node2_core4-n_0000000003
   [junit4]   2> 1769 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.LeaderElector Watching path /collections/collection1/leader_elect/shard1/election/94813186114191364-node1_core1-n_0000000002 to know if I could be the leader
   [junit4]   2> 1770 INFO  (zkCallback-9-thread-1) [    ] o.a.s.c.c.ZkStateReader A live node change: WatchedEvent state:SyncConnected type:NodeChildrenChanged path:/live_nodes, has occurred - updating... (live nodes size: 2)
   [junit4]   2> 1770 INFO  (zkCallback-7-thread-1) [    ] o.a.s.c.c.ZkStateReader A live node change: WatchedEvent state:SyncConnected type:NodeChildrenChanged path:/live_nodes, has occurred - updating... (live nodes size: 2)
   [junit4]   2> 1770 INFO  (zkCallback-1-thread-1) [    ] o.a.s.c.c.ZkStateReader A live node change: WatchedEvent state:SyncConnected type:NodeChildrenChanged path:/live_nodes, has occurred - updating... (live nodes size: 2)
   [junit4]   2> 1771 INFO  (zkCallback-5-thread-1) [    ] o.a.s.c.c.ZkStateReader A live node change: WatchedEvent state:SyncConnected type:NodeChildrenChanged path:/live_nodes, has occurred - updating... (live nodes size: 2)
   [junit4]   2> 1773 WARN  (NIOServerCxn.Factory:0.0.0.0/0.0.0.0:0) [    ] o.a.z.s.NIOServerCnxn caught end of stream exception
   [junit4]   2> EndOfStreamException: Unable to read additional data from client sessionid 0x150d817265c0004, likely client has closed socket
   [junit4]   2> 	at org.apache.zookeeper.server.NIOServerCnxn.doIO(NIOServerCnxn.java:228)
   [junit4]   2> 	at org.apache.zookeeper.server.NIOServerCnxnFactory.run(NIOServerCnxnFactory.java:208)
   [junit4]   2> 	at java.lang.Thread.run(Thread.java:747)
   [junit4]   2> 1777 INFO  (zkCallback-9-thread-1) [    ] o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node
   [junit4]   2> 1781 INFO  (OverseerStateUpdate-94813186114191365-127.0.0.1:49863_solr-n_0000000001) [    ] o.a.s.c.Overseer processMessage: queueSize: 1, message = {
   [junit4]   2>   "operation":"leader",
   [junit4]   2>   "shard":"shard1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "base_url":"http://node2/solr/",
   [junit4]   2>   "core":"core4"} current state version: 3
   [junit4]   2> 1890 INFO  (zkCallback-7-thread-1) [    ] o.a.s.c.c.ZkStateReader A cluster state change: WatchedEvent state:SyncConnected type:NodeDataChanged path:/clusterstate.json, has occurred - updating... (live nodes size: 1)
   [junit4]   2> 1890 INFO  (zkCallback-9-thread-1) [    ] o.a.s.c.c.ZkStateReader A cluster state change: WatchedEvent state:SyncConnected type:NodeDataChanged path:/clusterstate.json, has occurred - updating... (live nodes size: 1)
   [junit4]   2> 1890 INFO  (zkCallback-1-thread-1) [    ] o.a.s.c.c.ZkStateReader A cluster state change: WatchedEvent state:SyncConnected type:NodeDataChanged path:/clusterstate.json, has occurred - updating... (live nodes size: 1)
   [junit4]   2> 1976 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.SolrZkClient Using default ZkCredentialsProvider
   [junit4]   2> 1980 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 1982 INFO  (zkCallback-10-thread-1) [    ] o.a.s.c.c.ConnectionManager Watcher org.apache.solr.common.cloud.ConnectionManager@24c0c657 name:ZooKeeperConnection Watcher:127.0.0.1:49863/solr got event WatchedEvent state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 1982 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 1982 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.SolrZkClient Using default ZkACLProvider
   [junit4]   2> 1987 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.ZkStateReader Updating cluster state from ZooKeeper... 
   [junit4]   2> 1989 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.SolrZkClient makePath: /live_nodes/node1
   [junit4]   2> 1990 INFO  (zkCallback-7-thread-1) [    ] o.a.s.c.c.ZkStateReader A live node change: WatchedEvent state:SyncConnected type:NodeChildrenChanged path:/live_nodes, has occurred - updating... (live nodes size: 1)
   [junit4]   2> 1990 INFO  (zkCallback-9-thread-1) [    ] o.a.s.c.c.ZkStateReader A live node change: WatchedEvent state:SyncConnected type:NodeChildrenChanged path:/live_nodes, has occurred - updating... (live nodes size: 1)
   [junit4]   2> 1991 INFO  (zkCallback-1-thread-1) [    ] o.a.s.c.c.ZkStateReader A live node change: WatchedEvent state:SyncConnected type:NodeChildrenChanged path:/live_nodes, has occurred - updating... (live nodes size: 1)
   [junit4]   2> 1991 INFO  (zkCallback-10-thread-1) [    ] o.a.s.c.c.ZkStateReader A live node change: WatchedEvent state:SyncConnected type:NodeChildrenChanged path:/live_nodes, has occurred - updating... (live nodes size: 1)
   [junit4]   2> 1994 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.SolrZkClient makePath: /collections/collection1/leader_elect/shard1/election
   [junit4]   2> 1995 INFO  (OverseerStateUpdate-94813186114191365-127.0.0.1:49863_solr-n_0000000001) [    ] o.a.s.c.Overseer processMessage: queueSize: 1, message = {
   [junit4]   2>   "operation":"state",
   [junit4]   2>   "state":"active",
   [junit4]   2>   "node_name":"node1",
   [junit4]   2>   "core":"core1",
   [junit4]   2>   "core_node_name":"node1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "numShards":"1",
   [junit4]   2>   "base_url":"http://node1/solr/"} current state version: 4
   [junit4]   2> 1995 INFO  (OverseerStateUpdate-94813186114191365-127.0.0.1:49863_solr-n_0000000001) [    ] o.a.s.c.o.ReplicaMutator Update state numShards=1 message={
   [junit4]   2>   "operation":"state",
   [junit4]   2>   "state":"active",
   [junit4]   2>   "node_name":"node1",
   [junit4]   2>   "core":"core1",
   [junit4]   2>   "core_node_name":"node1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "numShards":"1",
   [junit4]   2>   "base_url":"http://node1/solr/"}
   [junit4]   2> 1995 INFO  (OverseerStateUpdate-94813186114191365-127.0.0.1:49863_solr-n_0000000001) [    ] o.a.s.c.o.ReplicaMutator shard=shard1 is already registered
   [junit4]   2> 1998 INFO  (Thread-2) [    ] o.a.s.SolrTestCaseJ4 Killing overseer.
   [junit4]   2> 1999 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.LeaderElector Joined leadership election with path: /collections/collection1/leader_elect/shard1/election/94813186114191367-node1_core1-n_0000000004
   [junit4]   2> 2000 INFO  (Thread-2) [    ] o.a.s.c.c.SolrZkClient Using default ZkCredentialsProvider
   [junit4]   2> 2000 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.LeaderElector Watching path /collections/collection1/leader_elect/shard1/election/94813186114191366-node2_core4-n_0000000003 to know if I could be the leader
   [junit4]   2> 2001 INFO  (zkCallback-9-thread-1) [    ] o.a.s.c.c.ZkStateReader A live node change: WatchedEvent state:SyncConnected type:NodeChildrenChanged path:/live_nodes, has occurred - updating... (live nodes size: 2)
   [junit4]   2> 2001 INFO  (Thread-2) [    ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 2002 INFO  (zkCallback-1-thread-1) [    ] o.a.s.c.c.ZkStateReader A live node change: WatchedEvent state:SyncConnected type:NodeChildrenChanged path:/live_nodes, has occurred - updating... (live nodes size: 2)
   [junit4]   2> 2002 WARN  (NIOServerCxn.Factory:0.0.0.0/0.0.0.0:0) [    ] o.a.z.s.NIOServerCnxn caught end of stream exception
   [junit4]   2> EndOfStreamException: Unable to read additional data from client sessionid 0x150d817265c0006, likely client has closed socket
   [junit4]   2> 	at org.apache.zookeeper.server.NIOServerCnxn.doIO(NIOServerCnxn.java:228)
   [junit4]   2> 	at org.apache.zookeeper.server.NIOServerCnxnFactory.run(NIOServerCnxnFactory.java:208)
   [junit4]   2> 	at java.lang.Thread.run(Thread.java:747)
   [junit4]   2> 2005 INFO  (zkCallback-11-thread-1) [    ] o.a.s.c.c.ConnectionManager Watcher org.apache.solr.common.cloud.ConnectionManager@253935cb name:ZooKeeperConnection Watcher:127.0.0.1:49863/solr got event WatchedEvent state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 2005 INFO  (Thread-2) [    ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 2005 INFO  (Thread-2) [    ] o.a.s.c.c.SolrZkClient Using default ZkACLProvider
   [junit4]   2> 2005 INFO  (Thread-2) [    ] o.a.s.c.Overseer Overseer (id=94813186114191365-127.0.0.1:49863_solr-n_0000000001) closing
   [junit4]   2> 2005 INFO  (OverseerStateUpdate-94813186114191365-127.0.0.1:49863_solr-n_0000000001) [    ] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:49863_solr
   [junit4]   2> 2005 INFO  (Thread-2) [    ] o.a.s.u.UpdateShardHandler Creating UpdateShardHandler HTTP client with params: socketTimeout=600000&connTimeout=60000&retry=true
   [junit4]   2> 2005 ERROR (OverseerExitThread) [    ] o.a.s.c.Overseer could not read the data
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = Session expired for /overseer_elect/leader
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:127)
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
   [junit4]   2> 	at org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1155)
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient$7.execute(SolrZkClient.java:353)
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient$7.execute(SolrZkClient.java:350)
   [junit4]   2> 	at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:61)
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:350)
   [junit4]   2> 	at org.apache.solr.cloud.Overseer$ClusterStateUpdater.checkIfIamStillLeader(Overseer.java:304)
   [junit4]   2> 	at org.apache.solr.cloud.Overseer$ClusterStateUpdater.access$300(Overseer.java:87)
   [junit4]   2> 	at org.apache.solr.cloud.Overseer$ClusterStateUpdater$2.run(Overseer.java:265)
   [junit4]   2> 2007 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.SolrZkClient makePath: /collections/collection1/leader_elect/shard1/election
   [junit4]   2> 2007 INFO  (zkCallback-10-thread-2) [    ] o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node
   [junit4]   2> 2008 INFO  (Thread-2) [    ] o.a.s.c.Overseer Overseer (id=null) closing
   [junit4]   2> 2009 INFO  (zkCallback-10-thread-1) [    ] o.a.s.c.c.ZkStateReader A live node change: WatchedEvent state:SyncConnected type:NodeChildrenChanged path:/live_nodes, has occurred - updating... (live nodes size: 2)
   [junit4]   2> 2009 INFO  (Thread-2) [    ] o.a.s.c.LeaderElector Joined leadership election with path: /overseer_elect/election/94813186114191368-127.0.0.1:49863_solr-n_0000000002
   [junit4]   2> 2010 INFO  (Thread-2) [    ] o.a.s.c.OverseerElectionContext I am going to be the leader 127.0.0.1:49863_solr
   [junit4]   2> 2010 INFO  (Thread-2) [    ] o.a.s.c.c.SolrZkClient makePath: /overseer_elect/leader
   [junit4]   2> 2012 INFO  (Thread-2) [    ] o.a.s.c.Overseer Overseer (id=94813186114191368-127.0.0.1:49863_solr-n_0000000002) starting
   [junit4]   2> 2022 INFO  (Thread-2) [    ] o.a.s.c.OverseerAutoReplicaFailoverThread Starting OverseerAutoReplicaFailoverThread autoReplicaFailoverWorkLoopDelay=10000 autoReplicaFailoverWaitAfterExpiration=30000 autoReplicaFailoverBadNodeExpiration=60000
   [junit4]   2> 2022 INFO  (OverseerCollectionConfigSetProcessor-94813186114191368-127.0.0.1:49863_solr-n_0000000002) [    ] o.a.s.c.OverseerTaskProcessor Process current queue of overseer operations
   [junit4]   2> 2023 INFO  (OverseerStateUpdate-94813186114191368-127.0.0.1:49863_solr-n_0000000002) [    ] o.a.s.c.Overseer Starting to work on the main queue
   [junit4]   2> 2030 INFO  (OverseerStateUpdate-94813186114191368-127.0.0.1:49863_solr-n_0000000002) [    ] o.a.s.c.c.ZkStateReader Updating cluster state from ZooKeeper... 
   [junit4]   2> 2031 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.LeaderElector Joined leadership election with path: /collections/collection1/leader_elect/shard1/election/94813186114191367-node1_core1-n_0000000005
   [junit4]   2> 2032 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.LeaderElector was going to be leader /collections/collection1/leader_elect/shard1/election/94813186114191367-node1_core1-n_0000000005 , seq(0) /collections/collection1/leader_elect/shard1/election/94813186114191367-node1_core1-n_0000000004
   [junit4]   2> 2032 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.SolrZkClient Using default ZkCredentialsProvider
   [junit4]   2> 2033 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 2034 INFO  (OverseerStateUpdate-94813186114191368-127.0.0.1:49863_solr-n_0000000002) [    ] o.a.s.c.Overseer processMessage: workQueueSize: 1, message = {
   [junit4]   2>   "operation":"state",
   [junit4]   2>   "state":"active",
   [junit4]   2>   "node_name":"node1",
   [junit4]   2>   "core":"core1",
   [junit4]   2>   "core_node_name":"node1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "numShards":"1",
   [junit4]   2>   "base_url":"http://node1/solr/"}
   [junit4]   2> 2034 INFO  (zkCallback-13-thread-1) [    ] o.a.s.c.c.ConnectionManager Watcher org.apache.solr.common.cloud.ConnectionManager@7a4a0591 name:ZooKeeperConnection Watcher:127.0.0.1:49863/solr got event WatchedEvent state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 2034 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 2034 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.SolrZkClient Using default ZkACLProvider
   [junit4]   2> 2034 INFO  (OverseerStateUpdate-94813186114191368-127.0.0.1:49863_solr-n_0000000002) [    ] o.a.s.c.o.ReplicaMutator Update state numShards=1 message={
   [junit4]   2>   "operation":"state",
   [junit4]   2>   "state":"active",
   [junit4]   2>   "node_name":"node1",
   [junit4]   2>   "core":"core1",
   [junit4]   2>   "core_node_name":"node1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "numShards":"1",
   [junit4]   2>   "base_url":"http://node1/solr/"}
   [junit4]   2> 2035 INFO  (OverseerStateUpdate-94813186114191368-127.0.0.1:49863_solr-n_0000000002) [    ] o.a.s.c.o.ReplicaMutator shard=shard1 is already registered
   [junit4]   2> 2036 INFO  (zkCallback-10-thread-2) [    ] o.a.s.c.c.ZkStateReader A cluster state change: WatchedEvent state:SyncConnected type:NodeDataChanged path:/clusterstate.json, has occurred - updating... (live nodes size: 1)
   [junit4]   2> 2036 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.ZkStateReader Updating cluster state from ZooKeeper... 
   [junit4]   2> 2036 INFO  (zkCallback-11-thread-1) [    ] o.a.s.c.c.ZkStateReader A cluster state change: WatchedEvent state:SyncConnected type:NodeDataChanged path:/clusterstate.json, has occurred - updating... (live nodes size: 1)
   [junit4]   2> 2036 INFO  (zkCallback-1-thread-1) [    ] o.a.s.c.c.ZkStateReader A cluster state change: WatchedEvent state:SyncConnected type:NodeDataChanged path:/clusterstate.json, has occurred - updating... (live nodes size: 1)
   [junit4]   2> 2038 INFO  (OverseerStateUpdate-94813186114191368-127.0.0.1:49863_solr-n_0000000002) [    ] o.a.s.c.Overseer processMessage: queueSize: 2, message = {
   [junit4]   2>   "operation":"state",
   [junit4]   2>   "state":"recovering",
   [junit4]   2>   "node_name":"node1",
   [junit4]   2>   "core":"core1",
   [junit4]   2>   "core_node_name":"node1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "numShards":"1",
   [junit4]   2>   "base_url":"http://node1/solr/"} current state version: 5
   [junit4]   2> 2038 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.SolrZkClient makePath: /live_nodes/node2
   [junit4]   2> 2039 INFO  (OverseerStateUpdate-94813186114191368-127.0.0.1:49863_solr-n_0000000002) [    ] o.a.s.c.o.ReplicaMutator Update state numShards=1 message={
   [junit4]   2>   "operation":"state",
   [junit4]   2>   "state":"recovering",
   [junit4]   2>   "node_name":"node1",
   [junit4]   2>   "core":"core1",
   [junit4]   2>   "core_node_name":"node1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "numShards":"1",
   [junit4]   2>   "base_url":"http://node1/solr/"}
   [junit4]   2> 2039 INFO  (OverseerStateUpdate-94813186114191368-127.0.0.1:49863_solr-n_0000000002) [    ] o.a.s.c.o.ReplicaMutator shard=shard1 is already registered
   [junit4]   2> 2039 INFO  (zkCallback-11-thread-1) [    ] o.a.s.c.c.ZkStateReader A live node change: WatchedEvent state:SyncConnected type:NodeChildrenChanged path:/live_nodes, has occurred - updating... (live nodes size: 1)
   [junit4]   2> 2039 INFO  (zkCallback-1-thread-1) [    ] o.a.s.c.c.ZkStateReader A live node change: WatchedEvent state:SyncConnected type:NodeChildrenChanged path:/live_nodes, has occurred - updating... (live nodes size: 1)
   [junit4]   2> 2039 INFO  (zkCallback-10-thread-2) [    ] o.a.s.c.c.ZkStateReader A live node change: WatchedEvent state:SyncConnected type:NodeChildrenChanged path:/live_nodes, has occurred - updating... (live nodes size: 1)
   [junit4]   2> 2041 INFO  (zkCallback-13-thread-1) [    ] o.a.s.c.c.ZkStateReader A live node change: WatchedEvent state:SyncConnected type:NodeChildrenChanged path:/live_nodes, has occurred - updating... (live nodes size: 1)
   [junit4]   2> 2043 INFO  (OverseerStateUpdate-94813186114191368-127.0.0.1:49863_solr-n_0000000002) [    ] o.a.s.c.Overseer processMessage: queueSize: 2, message = {
   [junit4]   2>   "operation":"leader",
   [junit4]   2>   "shard":"shard1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "base_url":"http://node1/solr/",
   [junit4]   2>   "core":"core1"} current state version: 5
   [junit4]   2> 2049 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.SolrZkClient makePath: /collections/collection1/leader_elect/shard1/election
   [junit4]   2> 2050 INFO  (OverseerStateUpdate-94813186114191368-127.0.0.1:49863_solr-n_0000000002) [    ] o.a.s.c.Overseer processMessage: queueSize: 1, message = {
   [junit4]   2>   "operation":"state",
   [junit4]   2>   "state":"active",
   [junit4]   2>   "node_name":"node1",
   [junit4]   2>   "core":"core1",
   [junit4]   2>   "core_node_name":"node1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "numShards":"1",
   [junit4]   2>   "base_url":"http://node1/solr/"} current state version: 5
   [junit4]   2> 2050 INFO  (OverseerStateUpdate-94813186114191368-127.0.0.1:49863_solr-n_0000000002) [    ] o.a.s.c.o.ReplicaMutator Update state numShards=1 message={
   [junit4]   2>   "operation":"state",
   [junit4]   2>   "state":"active",
   [junit4]   2>   "node_name":"node1",
   [junit4]   2>   "core":"core1",
   [junit4]   2>   "core_node_name":"node1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "numShards":"1",
   [junit4]   2>   "base_url":"http://node1/solr/"}
   [junit4]   2> 2050 INFO  (OverseerStateUpdate-94813186114191368-127.0.0.1:49863_solr-n_0000000002) [    ] o.a.s.c.o.ReplicaMutator shard=shard1 is already registered
   [junit4]   2> 2053 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.LeaderElector Joined leadership election with path: /collections/collection1/leader_elect/shard1/election/94813186114191367-node1_core1-n_0000000006
   [junit4]   2> 2054 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.LeaderElector was going to be leader /collections/collection1/leader_elect/shard1/election/94813186114191367-node1_core1-n_0000000006 , seq(0) /collections/collection1/leader_elect/shard1/election/94813186114191367-node1_core1-n_0000000004
   [junit4]   2> 2154 INFO  (zkCallback-10-thread-2) [    ] o.a.s.c.c.ZkStateReader A cluster state change: WatchedEvent state:SyncConnected type:NodeDataChanged path:/clusterstate.json, has occurred - updating... (live nodes size: 2)
   [junit4]   2> 2154 INFO  (zkCallback-11-thread-2) [    ] o.a.s.c.c.ZkStateReader A cluster state change: WatchedEvent state:SyncConnected type:NodeDataChanged path:/clusterstate.json, has occurred - updating... (live nodes size: 2)
   [junit4]   2> 2154 INFO  (zkCallback-1-thread-1) [    ] o.a.s.c.c.ZkStateReader A cluster state change: WatchedEvent state:SyncConnected type:NodeDataChanged path:/clusterstate.json, has occurred - updating... (live nodes size: 2)
   [junit4]   2> 2154 INFO  (zkCallback-13-thread-1) [    ] o.a.s.c.c.ZkStateReader A cluster state change: WatchedEvent state:SyncConnected type:NodeDataChanged path:/clusterstate.json, has occurred - updating... (live nodes size: 2)
   [junit4]   2> 2258 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.SolrZkClient makePath: /collections/collection1/leader_elect/shard1/election
   [junit4]   2> 2259 INFO  (OverseerStateUpdate-94813186114191368-127.0.0.1:49863_solr-n_0000000002) [    ] o.a.s.c.Overseer processMessage: queueSize: 1, message = {
   [junit4]   2>   "operation":"state",
   [junit4]   2>   "state":"active",
   [junit4]   2>   "node_name":"node2",
   [junit4]   2>   "core":"core4",
   [junit4]   2>   "core_node_name":"node2",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "numShards":"1",
   [junit4]   2>   "base_url":"http://node2/solr/"} current state version: 6
   [junit4]   2> 2259 INFO  (OverseerStateUpdate-94813186114191368-127.0.0.1:49863_solr-n_0000000002) [    ] o.a.s.c.o.ReplicaMutator Update state numShards=1 message={
   [junit4]   2>   "operation":"state",
   [junit4]   2>   "state":"active",
   [junit4]   2>   "node_name":"node2",
   [junit4]   2>   "core":"core4",
   [junit4]   2>   "core_node_name":"node2",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "numShards":"1",
   [junit4]   2>   "base_url":"http://node2/solr/"}
   [junit4]   2> 2259 INFO  (OverseerStateUpdate-94813186114191368-127.0.0.1:49863_solr-n_0000000002) [    ] o.a.s.c.o.ReplicaMutator shard=shard1 is already registered
   [junit4]   2> 2261 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.LeaderElector Joined leadership election with path: /collections/collection1/leader_elect/shard1/election/94813186114191369-node2_core4-n_0000000007
   [junit4]   2> 2262 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.LeaderElector Watching path /collections/collection1/leader_elect/shard1/election/94813186114191367-node1_core1-n_0000000006 to know if I could be the leader
   [junit4]   2> 2263 INFO  (zkCallback-13-thread-1) [    ] o.a.s.c.c.ZkStateReader A live node change: WatchedEvent state:SyncConnected type:NodeChildrenChanged path:/live_nodes, has occurred - updating... (live nodes size: 2)
   [junit4]   2> 2263 INFO  (zkCallback-1-thread-1) [    ] o.a.s.c.c.ZkStateReader A live node change: WatchedEvent state:SyncConnected type:NodeChildrenChanged path:/live_nodes, has occurred - updating... (live nodes size: 2)
   [junit4]   2> 2263 INFO  (zkCallback-10-thread-2) [    ] o.a.s.c.c.ZkStateReader A live node change: WatchedEvent state:SyncConnected type:NodeChildrenChanged path:/live_nodes, has occurred - updating... (live nodes size: 2)
   [junit4]   2> 2263 INFO  (zkCallback-11-thread-2) [    ] o.a.s.c.c.ZkStateReader A live node change: WatchedEvent state:SyncConnected type:NodeChildrenChanged path:/live_nodes, has occurred - updating... (live nodes size: 2)
   [junit4]   2> 2264 WARN  (NIOServerCxn.Factory:0.0.0.0/0.0.0.0:0) [    ] o.a.z.s.NIOServerCnxn caught end of stream exception
   [junit4]   2> EndOfStreamException: Unable to read additional data from client sessionid 0x150d817265c0007, likely client has closed socket
   [junit4]   2> 	at org.apache.zookeeper.server.NIOServerCnxn.doIO(NIOServerCnxn.java:228)
   [junit4]   2> 	at org.apache.zookeeper.server.NIOServerCnxnFactory.run(NIOServerCnxnFactory.java:208)
   [junit4]   2> 	at java.lang.Thread.run(Thread.java:747)
   [junit4]   2> 2265 INFO  (zkCallback-13-thread-2) [    ] o.a.s.c.ShardLeaderElectionContextBase Creating leader registration node
   [junit4]   2> 2267 INFO  (OverseerStateUpdate-94813186114191368-127.0.0.1:49863_solr-n_0000000002) [    ] o.a.s.c.Overseer processMessage: queueSize: 1, message = {
   [junit4]   2>   "operation":"leader",
   [junit4]   2>   "shard":"shard1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "base_url":"http://node2/solr/",
   [junit4]   2>   "core":"core4"} current state version: 6
   [junit4]   2> 2371 INFO  (zkCallback-11-thread-2) [    ] o.a.s.c.c.ZkStateReader A cluster state change: WatchedEvent state:SyncConnected type:NodeDataChanged path:/clusterstate.json, has occurred - updating... (live nodes size: 1)
   [junit4]   2> 2371 INFO  (zkCallback-1-thread-1) [    ] o.a.s.c.c.ZkStateReader A cluster state change: WatchedEvent state:SyncConnected type:NodeDataChanged path:/clusterstate.json, has occurred - updating... (live nodes size: 1)
   [junit4]   2> 2371 INFO  (zkCallback-13-thread-2) [    ] o.a.s.c.c.ZkStateReader A cluster state change: WatchedEvent state:SyncConnected type:NodeDataChanged path:/clusterstate.json, has occurred - updating... (live nodes size: 1)
   [junit4]   2> 3765 WARN  (zkCallback-10-thread-2) [    ] o.a.s.c.c.ZkStateReader ZooKeeper watch triggered, but Solr cannot talk to ZK
   [junit4]   2> 3769 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.SolrZkClient Using default ZkCredentialsProvider
   [junit4]   2> 3769 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 3772 INFO  (zkCallback-14-thread-1) [    ] o.a.s.c.c.ConnectionManager Watcher org.apache.solr.common.cloud.ConnectionManager@2320922 name:ZooKeeperConnection Watcher:127.0.0.1:49863/solr got event WatchedEvent state:SyncConnected type:None path:null path:null type:None
   [junit4]   2> 3772 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 3772 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.SolrZkClient Using default ZkACLProvider
   [junit4]   2> 3777 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.ZkStateReader Updating cluster state from ZooKeeper... 
   [junit4]   2> 3781 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.SolrZkClient makePath: /live_nodes/node1
   [junit4]   2> 3783 INFO  (zkCallback-13-thread-2) [    ] o.a.s.c.c.ZkStateReader A live node change: WatchedEvent state:SyncConnected type:NodeChildrenChanged path:/live_nodes, has occurred - updating... (live nodes size: 1)
   [junit4]   2> 3783 INFO  (zkCallback-1-thread-1) [    ] o.a.s.c.c.ZkStateReader A live node change: WatchedEvent state:SyncConnected type:NodeChildrenChanged path:/live_nodes, has occurred - updating... (live nodes size: 1)
   [junit4]   2> 3784 INFO  (zkCallback-11-thread-2) [    ] o.a.s.c.c.ZkStateReader A live node change: WatchedEvent state:SyncConnected type:NodeChildrenChanged path:/live_nodes, has occurred - updating... (live nodes size: 1)
   [junit4]   2> 3785 INFO  (zkCallback-14-thread-1) [    ] o.a.s.c.c.ZkStateReader A live node change: WatchedEvent state:SyncConnected type:NodeChildrenChanged path:/live_nodes, has occurred - updating... (live nodes size: 1)
   [junit4]   2> 3787 INFO  (TEST-OverseerTest.testShardLeaderChange-seed#[D4D4F99E700B2311]) [    ] o.a.s.c.c.SolrZkClient makePath: /collections/collection1/leader_elect/shard1/election
   [junit4]   2> 3787 INFO  (OverseerStateUpdate-94813186114191368-127.0.0.1:49863_solr-n_0000000002) [    ] o.a.s.c.Overseer processMessage: queueSize: 1, message = {
   [junit4]   2>   "operation":"state",
   [junit4]   2>   "state":"active",
   [junit4]   2>   "node_name":"node1",
   [jun

[...truncated too long message...]

Dtests.multiplier=3 -Dtests.slow=true -Dtests.locale=en_VI -Dtests.timezone=Africa/Bujumbura -Dtests.asserts=true -Dtests.file.encoding=UTF-8
   [junit4] ERROR   0.00s J0 | CollectionsAPIDistributedZkTest (suite) <<<
   [junit4]    > Throwable #1: com.carrotsearch.randomizedtesting.ThreadLeakError: 5 threads leaked from SUITE scope at org.apache.solr.cloud.CollectionsAPIDistributedZkTest: 
   [junit4]    >    1) Thread[id=6482, name=zkCallback-647-thread-1, state=TIMED_WAITING, group=TGRP-CollectionsAPIDistributedZkTest]
   [junit4]    >         at sun.misc.Unsafe.park(Native Method)
   [junit4]    >         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:218)
   [junit4]    >         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:461)
   [junit4]    >         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
   [junit4]    >         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1082)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1143)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:632)
   [junit4]    >         at java.lang.Thread.run(Thread.java:747)
   [junit4]    >    2) Thread[id=6480, name=TEST-CollectionsAPIDistributedZkTest.test-seed#[D4D4F99E700B2311]-SendThread(127.0.0.1:44109), state=TIMED_WAITING, group=TGRP-CollectionsAPIDistributedZkTest]
   [junit4]    >         at java.lang.Thread.sleep(Native Method)
   [junit4]    >         at org.apache.zookeeper.client.StaticHostProvider.next(StaticHostProvider.java:101)
   [junit4]    >         at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:940)
   [junit4]    >         at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1003)
   [junit4]    >    3) Thread[id=6481, name=TEST-CollectionsAPIDistributedZkTest.test-seed#[D4D4F99E700B2311]-EventThread, state=WAITING, group=TGRP-CollectionsAPIDistributedZkTest]
   [junit4]    >         at sun.misc.Unsafe.park(Native Method)
   [junit4]    >         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:178)
   [junit4]    >         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2061)
   [junit4]    >         at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
   [junit4]    >         at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:494)
   [junit4]    >    4) Thread[id=6630, name=zkCallback-647-thread-2, state=TIMED_WAITING, group=TGRP-CollectionsAPIDistributedZkTest]
   [junit4]    >         at sun.misc.Unsafe.park(Native Method)
   [junit4]    >         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:218)
   [junit4]    >         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:461)
   [junit4]    >         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
   [junit4]    >         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1082)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1143)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:632)
   [junit4]    >         at java.lang.Thread.run(Thread.java:747)
   [junit4]    >    5) Thread[id=6631, name=zkCallback-647-thread-3, state=TIMED_WAITING, group=TGRP-CollectionsAPIDistributedZkTest]
   [junit4]    >         at sun.misc.Unsafe.park(Native Method)
   [junit4]    >         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:218)
   [junit4]    >         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:461)
   [junit4]    >         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
   [junit4]    >         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1082)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1143)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:632)
   [junit4]    >         at java.lang.Thread.run(Thread.java:747)
   [junit4]    > 	at __randomizedtesting.SeedInfo.seed([D4D4F99E700B2311]:0)Throwable #2: com.carrotsearch.randomizedtesting.ThreadLeakError: There are still zombie threads that couldn't be terminated:
   [junit4]    >    1) Thread[id=6482, name=zkCallback-647-thread-1, state=TIMED_WAITING, group=TGRP-CollectionsAPIDistributedZkTest]
   [junit4]    >         at sun.misc.Unsafe.park(Native Method)
   [junit4]    >         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:218)
   [junit4]    >         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:461)
   [junit4]    >         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
   [junit4]    >         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1082)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1143)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:632)
   [junit4]    >         at java.lang.Thread.run(Thread.java:747)
   [junit4]    >    2) Thread[id=6480, name=TEST-CollectionsAPIDistributedZkTest.test-seed#[D4D4F99E700B2311]-SendThread(127.0.0.1:44109), state=TIMED_WAITING, group=TGRP-CollectionsAPIDistributedZkTest]
   [junit4]    >         at java.lang.Thread.sleep(Native Method)
   [junit4]    >         at org.apache.zookeeper.client.StaticHostProvider.next(StaticHostProvider.java:101)
   [junit4]    >         at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:940)
   [junit4]    >         at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1003)
   [junit4]    >    3) Thread[id=6630, name=zkCallback-647-thread-2, state=TIMED_WAITING, group=TGRP-CollectionsAPIDistributedZkTest]
   [junit4]    >         at sun.misc.Unsafe.park(Native Method)
   [junit4]    >         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:218)
   [junit4]    >         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:461)
   [junit4]    >         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
   [junit4]    >         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1082)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1143)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:632)
   [junit4]    >         at java.lang.Thread.run(Thread.java:747)
   [junit4]    >    4) Thread[id=6631, name=zkCallback-647-thread-3, state=TIMED_WAITING, group=TGRP-CollectionsAPIDistributedZkTest]
   [junit4]    >         at sun.misc.Unsafe.park(Native Method)
   [junit4]    >         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:218)
   [junit4]    >         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:461)
   [junit4]    >         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
   [junit4]    >         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1082)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1143)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:632)
   [junit4]    >         at java.lang.Thread.run(Thread.java:747)
   [junit4]    > 	at __randomizedtesting.SeedInfo.seed([D4D4F99E700B2311]:0)
   [junit4] Completed [263/554] on J0 in 69.47s, 1 test, 3 errors <<< FAILURES!

[...truncated 920 lines...]
BUILD FAILED
/home/jenkins/workspace/Lucene-Solr-trunk-Linux/build.xml:775: The following error occurred while executing this line:
/home/jenkins/workspace/Lucene-Solr-trunk-Linux/build.xml:719: The following error occurred while executing this line:
/home/jenkins/workspace/Lucene-Solr-trunk-Linux/build.xml:59: The following error occurred while executing this line:
/home/jenkins/workspace/Lucene-Solr-trunk-Linux/solr/build.xml:233: The following error occurred while executing this line:
/home/jenkins/workspace/Lucene-Solr-trunk-Linux/solr/common-build.xml:516: The following error occurred while executing this line:
/home/jenkins/workspace/Lucene-Solr-trunk-Linux/lucene/common-build.xml:1432: The following error occurred while executing this line:
/home/jenkins/workspace/Lucene-Solr-trunk-Linux/lucene/common-build.xml:987: There were test failures: 554 suites (8 ignored), 2182 tests, 2 suite-level errors, 1 error, 1 failure, 898 ignored (35 assumptions) [seed: D4D4F99E700B2311]

Total time: 37 minutes 19 seconds
Build step 'Invoke Ant' marked build as failure
Archiving artifacts
[WARNINGS] Skipping publisher since build result is FAILURE
Recording test results
Email was triggered for: Failure - Any
Sending email for trigger: Failure - Any