Build: https://jenkins.thetaphi.de/job/Lucene-Solr-7.x-Linux/1267/
Java: 32bit/jdk1.8.0_144 -client -XX:+UseConcMarkSweepGC

2 tests failed.
FAILED:  
junit.framework.TestSuite.org.apache.solr.schema.ManagedSchemaRoundRobinCloudTest

Error Message:
ObjectTracker found 4 object(s) that were not released!!! 
[MockDirectoryWrapper, MockDirectoryWrapper, MockDirectoryWrapper, 
MDCAwareThreadPoolExecutor] 
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MockDirectoryWrapper  at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
  at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:348)
  at org.apache.solr.core.SolrCore.getNewIndexDir(SolrCore.java:351)  at 
org.apache.solr.core.SolrCore.initIndex(SolrCore.java:729)  at 
org.apache.solr.core.SolrCore.<init>(SolrCore.java:954)  at 
org.apache.solr.core.SolrCore.<init>(SolrCore.java:863)  at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1039)
  at org.apache.solr.core.CoreContainer.create(CoreContainer.java:950)  at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:91)
  at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:384)
  at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:389)
  at 
org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:174)
  at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:177)
  at org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:736)  
at 
org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:717)  
at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:498)  at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:380)
  at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:326)
  at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637)
  at 
org.apache.solr.client.solrj.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:139)
  at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637)
  at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:533) 
 at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:188)
  at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1595)
  at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:188)
  at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1253)
  at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:168)
  at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:473)  
at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1564)
  at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:166)
  at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1155)
  at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)  
at 
org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:455)  
at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132) 
 at org.eclipse.jetty.server.Server.handle(Server.java:530)  at 
org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:347)  at 
org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:256)  at 
org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:279)
  at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:102)  at 
org.eclipse.jetty.io.ssl.SslConnection.onFillable(SslConnection.java:289)  at 
org.eclipse.jetty.io.ssl.SslConnection$3.succeeded(SslConnection.java:149)  at 
org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:102)  at 
org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:124)  at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:247)
  at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.produce(EatWhatYouKill.java:140)
  at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131)
  at 
org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:382)
  at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:708)
  at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626) 
 at java.lang.Thread.run(Thread.java:748)  
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MockDirectoryWrapper  at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
  at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:348)
  at org.apache.solr.update.SolrIndexWriter.create(SolrIndexWriter.java:92)  at 
org.apache.solr.core.SolrCore.initIndex(SolrCore.java:761)  at 
org.apache.solr.core.SolrCore.<init>(SolrCore.java:954)  at 
org.apache.solr.core.SolrCore.<init>(SolrCore.java:863)  at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1039)
  at org.apache.solr.core.CoreContainer.create(CoreContainer.java:950)  at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:91)
  at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:384)
  at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:389)
  at 
org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:174)
  at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:177)
  at org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:736)  
at 
org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:717)  
at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:498)  at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:380)
  at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:326)
  at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637)
  at 
org.apache.solr.client.solrj.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:139)
  at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637)
  at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:533) 
 at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:188)
  at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1595)
  at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:188)
  at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1253)
  at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:168)
  at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:473)  
at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1564)
  at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:166)
  at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1155)
  at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)  
at 
org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:455)  
at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132) 
 at org.eclipse.jetty.server.Server.handle(Server.java:530)  at 
org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:347)  at 
org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:256)  at 
org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:279)
  at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:102)  at 
org.eclipse.jetty.io.ssl.SslConnection.onFillable(SslConnection.java:289)  at 
org.eclipse.jetty.io.ssl.SslConnection$3.succeeded(SslConnection.java:149)  at 
org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:102)  at 
org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:124)  at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:247)
  at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.produce(EatWhatYouKill.java:140)
  at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131)
  at 
org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:382)
  at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:708)
  at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626) 
 at java.lang.Thread.run(Thread.java:748)  
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MockDirectoryWrapper  at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
  at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:348)
  at 
org.apache.solr.core.SolrCore.initSnapshotMetaDataManager(SolrCore.java:498)  
at org.apache.solr.core.SolrCore.<init>(SolrCore.java:948)  at 
org.apache.solr.core.SolrCore.<init>(SolrCore.java:863)  at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1039)
  at org.apache.solr.core.CoreContainer.create(CoreContainer.java:950)  at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:91)
  at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:384)
  at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:389)
  at 
org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:174)
  at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:177)
  at org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:736)  
at 
org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:717)  
at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:498)  at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:380)
  at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:326)
  at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637)
  at 
org.apache.solr.client.solrj.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:139)
  at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637)
  at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:533) 
 at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:188)
  at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1595)
  at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:188)
  at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1253)
  at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:168)
  at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:473)  
at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1564)
  at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:166)
  at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1155)
  at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)  
at 
org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:455)  
at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132) 
 at org.eclipse.jetty.server.Server.handle(Server.java:530)  at 
org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:347)  at 
org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:256)  at 
org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:279)
  at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:102)  at 
org.eclipse.jetty.io.ssl.SslConnection.onFillable(SslConnection.java:289)  at 
org.eclipse.jetty.io.ssl.SslConnection$3.succeeded(SslConnection.java:149)  at 
org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:102)  at 
org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:124)  at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:247)
  at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.produce(EatWhatYouKill.java:140)
  at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131)
  at 
org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:382)
  at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:708)
  at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626) 
 at java.lang.Thread.run(Thread.java:748)  
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor  at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
  at org.apache.solr.core.SolrCore.<init>(SolrCore.java:892)  at 
org.apache.solr.core.SolrCore.reload(SolrCore.java:656)  at 
org.apache.solr.core.CoreContainer.reload(CoreContainer.java:1287)  at 
org.apache.solr.core.SolrCore.lambda$getConfListener$20(SolrCore.java:2969)  at 
org.apache.solr.cloud.ZkController.lambda$fireEventListeners$5(ZkController.java:2610)
  at java.lang.Thread.run(Thread.java:748)  

Stack Trace:
java.lang.AssertionError: ObjectTracker found 4 object(s) that were not 
released!!! [MockDirectoryWrapper, MockDirectoryWrapper, MockDirectoryWrapper, 
MDCAwareThreadPoolExecutor]
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MockDirectoryWrapper
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:348)
        at org.apache.solr.core.SolrCore.getNewIndexDir(SolrCore.java:351)
        at org.apache.solr.core.SolrCore.initIndex(SolrCore.java:729)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:954)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:863)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1039)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:950)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:91)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:384)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:389)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:174)
        at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:177)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:736)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:717)
        at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:498)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:380)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:326)
        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637)
        at 
org.apache.solr.client.solrj.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:139)
        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:533)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:188)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1595)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:188)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1253)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:168)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:473)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1564)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:166)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1155)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
        at 
org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:455)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
        at org.eclipse.jetty.server.Server.handle(Server.java:530)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:347)
        at 
org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:256)
        at 
org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:279)
        at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:102)
        at 
org.eclipse.jetty.io.ssl.SslConnection.onFillable(SslConnection.java:289)
        at 
org.eclipse.jetty.io.ssl.SslConnection$3.succeeded(SslConnection.java:149)
        at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:102)
        at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:124)
        at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:247)
        at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.produce(EatWhatYouKill.java:140)
        at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131)
        at 
org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:382)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:708)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)
        at java.lang.Thread.run(Thread.java:748)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MockDirectoryWrapper
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:348)
        at 
org.apache.solr.update.SolrIndexWriter.create(SolrIndexWriter.java:92)
        at org.apache.solr.core.SolrCore.initIndex(SolrCore.java:761)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:954)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:863)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1039)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:950)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:91)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:384)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:389)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:174)
        at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:177)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:736)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:717)
        at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:498)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:380)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:326)
        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637)
        at 
org.apache.solr.client.solrj.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:139)
        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:533)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:188)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1595)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:188)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1253)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:168)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:473)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1564)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:166)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1155)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
        at 
org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:455)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
        at org.eclipse.jetty.server.Server.handle(Server.java:530)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:347)
        at 
org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:256)
        at 
org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:279)
        at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:102)
        at 
org.eclipse.jetty.io.ssl.SslConnection.onFillable(SslConnection.java:289)
        at 
org.eclipse.jetty.io.ssl.SslConnection$3.succeeded(SslConnection.java:149)
        at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:102)
        at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:124)
        at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:247)
        at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.produce(EatWhatYouKill.java:140)
        at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131)
        at 
org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:382)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:708)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)
        at java.lang.Thread.run(Thread.java:748)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MockDirectoryWrapper
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:348)
        at 
org.apache.solr.core.SolrCore.initSnapshotMetaDataManager(SolrCore.java:498)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:948)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:863)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1039)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:950)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:91)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:384)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:389)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:174)
        at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:177)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:736)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:717)
        at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:498)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:380)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:326)
        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637)
        at 
org.apache.solr.client.solrj.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:139)
        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:533)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:188)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1595)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:188)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1253)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:168)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:473)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1564)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:166)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1155)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
        at 
org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:455)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
        at org.eclipse.jetty.server.Server.handle(Server.java:530)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:347)
        at 
org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:256)
        at 
org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:279)
        at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:102)
        at 
org.eclipse.jetty.io.ssl.SslConnection.onFillable(SslConnection.java:289)
        at 
org.eclipse.jetty.io.ssl.SslConnection$3.succeeded(SslConnection.java:149)
        at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:102)
        at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:124)
        at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:247)
        at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.produce(EatWhatYouKill.java:140)
        at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131)
        at 
org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:382)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:708)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)
        at java.lang.Thread.run(Thread.java:748)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:892)
        at org.apache.solr.core.SolrCore.reload(SolrCore.java:656)
        at org.apache.solr.core.CoreContainer.reload(CoreContainer.java:1287)
        at 
org.apache.solr.core.SolrCore.lambda$getConfListener$20(SolrCore.java:2969)
        at 
org.apache.solr.cloud.ZkController.lambda$fireEventListeners$5(ZkController.java:2610)
        at java.lang.Thread.run(Thread.java:748)


        at __randomizedtesting.SeedInfo.seed([25B997D893BFF24A]:0)
        at org.junit.Assert.fail(Assert.java:93)
        at org.junit.Assert.assertTrue(Assert.java:43)
        at org.junit.Assert.assertNull(Assert.java:551)
        at 
org.apache.solr.SolrTestCaseJ4.teardownTestCases(SolrTestCaseJ4.java:295)
        at sun.reflect.GeneratedMethodAccessor83.invoke(Unknown Source)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1737)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:897)
        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:45)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:41)
        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:53)
        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
        at 
org.apache.lucene.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:54)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
        at java.lang.Thread.run(Thread.java:748)


FAILED:  
org.apache.solr.cloud.autoscaling.TriggerIntegrationTest.testNodeAddedTriggerRestoreState

Error Message:
The trigger did not fire at all

Stack Trace:
java.lang.AssertionError: The trigger did not fire at all
        at 
__randomizedtesting.SeedInfo.seed([25B997D893BFF24A:AD841EA7A97F13E7]:0)
        at org.junit.Assert.fail(Assert.java:93)
        at org.junit.Assert.assertTrue(Assert.java:43)
        at 
org.apache.solr.cloud.autoscaling.TriggerIntegrationTest.testNodeAddedTriggerRestoreState(TriggerIntegrationTest.java:426)
        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:498)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1737)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:934)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:970)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:984)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
        at 
org.apache.lucene.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:49)
        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
        at 
org.apache.lucene.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:48)
        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:817)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:468)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:943)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:829)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:879)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:890)
        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:45)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:41)
        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:53)
        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
        at 
org.apache.lucene.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:54)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
        at java.lang.Thread.run(Thread.java:748)




Build Log:
[...truncated 13792 lines...]
   [junit4] Suite: org.apache.solr.cloud.autoscaling.TriggerIntegrationTest
   [junit4]   2> 2720376 INFO  
(SUITE-TriggerIntegrationTest-seed#[25B997D893BFF24A]-worker) [    ] 
o.a.s.SolrTestCaseJ4 SecureRandom sanity checks: 
test.solr.allowed.securerandom=null & java.security.egd=file:/dev/./urandom
   [junit4]   2> Creating dataDir: 
/home/jenkins/workspace/Lucene-Solr-7.x-Linux/solr/build/solr-core/test/J2/temp/solr.cloud.autoscaling.TriggerIntegrationTest_25B997D893BFF24A-001/init-core-data-001
   [junit4]   2> 2720377 WARN  
(SUITE-TriggerIntegrationTest-seed#[25B997D893BFF24A]-worker) [    ] 
o.a.s.SolrTestCaseJ4 startTrackingSearchers: numOpens=26 numCloses=26
   [junit4]   2> 2720377 INFO  
(SUITE-TriggerIntegrationTest-seed#[25B997D893BFF24A]-worker) [    ] 
o.a.s.SolrTestCaseJ4 Using PointFields (NUMERIC_POINTS_SYSPROP=true) 
w/NUMERIC_DOCVALUES_SYSPROP=true
   [junit4]   2> 2720379 INFO  
(SUITE-TriggerIntegrationTest-seed#[25B997D893BFF24A]-worker) [    ] 
o.a.s.SolrTestCaseJ4 Randomized ssl (true) and clientAuth (true) via: 
@org.apache.solr.util.RandomizeSSL(reason=, ssl=NaN, value=NaN, clientAuth=NaN)
   [junit4]   2> 2720380 INFO  
(SUITE-TriggerIntegrationTest-seed#[25B997D893BFF24A]-worker) [    ] 
o.a.s.c.MiniSolrCloudCluster Starting cluster of 2 servers in 
/home/jenkins/workspace/Lucene-Solr-7.x-Linux/solr/build/solr-core/test/J2/temp/solr.cloud.autoscaling.TriggerIntegrationTest_25B997D893BFF24A-001/tempDir-001
   [junit4]   2> 2720381 INFO  
(SUITE-TriggerIntegrationTest-seed#[25B997D893BFF24A]-worker) [    ] 
o.a.s.c.ZkTestServer STARTING ZK TEST SERVER
   [junit4]   2> 2720381 INFO  (Thread-8659) [    ] o.a.s.c.ZkTestServer client 
port:0.0.0.0/0.0.0.0:0
   [junit4]   2> 2720381 INFO  (Thread-8659) [    ] o.a.s.c.ZkTestServer 
Starting server
   [junit4]   2> 2720383 ERROR (Thread-8659) [    ] o.a.z.s.ZooKeeperServer 
ZKShutdownHandler is not registered, so ZooKeeper server won't take any action 
on ERROR or SHUTDOWN server state changes
   [junit4]   2> 2720481 INFO  
(SUITE-TriggerIntegrationTest-seed#[25B997D893BFF24A]-worker) [    ] 
o.a.s.c.ZkTestServer start zk server on port:35021
   [junit4]   2> 2720483 INFO  (zkConnectionManagerCallback-4267-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 2720489 INFO  (jetty-launcher-4264-thread-1) [    ] 
o.e.j.s.Server jetty-9.4.8.v20171121, build timestamp: 2017-11-21T21:27:37Z, 
git hash: 82b8fb23f757335bb3329d540ce37a2a2615f0a8
   [junit4]   2> 2720489 INFO  (jetty-launcher-4264-thread-2) [    ] 
o.e.j.s.Server jetty-9.4.8.v20171121, build timestamp: 2017-11-21T21:27:37Z, 
git hash: 82b8fb23f757335bb3329d540ce37a2a2615f0a8
   [junit4]   2> 2720489 INFO  (jetty-launcher-4264-thread-1) [    ] 
o.e.j.s.session DefaultSessionIdManager workerName=node0
   [junit4]   2> 2720490 INFO  (jetty-launcher-4264-thread-1) [    ] 
o.e.j.s.session No SessionScavenger set, using defaults
   [junit4]   2> 2720490 INFO  (jetty-launcher-4264-thread-1) [    ] 
o.e.j.s.session Scavenging every 660000ms
   [junit4]   2> 2720492 INFO  (jetty-launcher-4264-thread-1) [    ] 
o.e.j.s.h.ContextHandler Started 
o.e.j.s.ServletContextHandler@1e1863f{/solr,null,AVAILABLE}
   [junit4]   2> 2720493 INFO  (jetty-launcher-4264-thread-2) [    ] 
o.e.j.s.session DefaultSessionIdManager workerName=node0
   [junit4]   2> 2720493 INFO  (jetty-launcher-4264-thread-2) [    ] 
o.e.j.s.session No SessionScavenger set, using defaults
   [junit4]   2> 2720493 INFO  (jetty-launcher-4264-thread-2) [    ] 
o.e.j.s.session Scavenging every 600000ms
   [junit4]   2> 2720493 INFO  (jetty-launcher-4264-thread-1) [    ] 
o.e.j.s.AbstractConnector Started ServerConnector@1d6e281{SSL,[ssl, 
http/1.1]}{127.0.0.1:40307}
   [junit4]   2> 2720493 INFO  (jetty-launcher-4264-thread-2) [    ] 
o.e.j.s.h.ContextHandler Started 
o.e.j.s.ServletContextHandler@1151743{/solr,null,AVAILABLE}
   [junit4]   2> 2720493 INFO  (jetty-launcher-4264-thread-1) [    ] 
o.e.j.s.Server Started @2721558ms
   [junit4]   2> 2720494 INFO  (jetty-launcher-4264-thread-1) [    ] 
o.a.s.c.s.e.JettySolrRunner Jetty properties: {hostContext=/solr, 
hostPort=40307}
   [junit4]   2> 2720494 ERROR (jetty-launcher-4264-thread-1) [    ] 
o.a.s.u.StartupLoggingUtils Missing Java Option solr.log.dir. Logging may be 
missing or incomplete.
   [junit4]   2> 2720494 INFO  (jetty-launcher-4264-thread-2) [    ] 
o.e.j.s.AbstractConnector Started ServerConnector@e891cf{SSL,[ssl, 
http/1.1]}{127.0.0.1:32883}
   [junit4]   2> 2720494 INFO  (jetty-launcher-4264-thread-1) [    ] 
o.a.s.s.SolrDispatchFilter  ___      _       Welcome to Apache Solr? version 
7.3.0
   [junit4]   2> 2720494 INFO  (jetty-launcher-4264-thread-2) [    ] 
o.e.j.s.Server Started @2721559ms
   [junit4]   2> 2720494 INFO  (jetty-launcher-4264-thread-1) [    ] 
o.a.s.s.SolrDispatchFilter / __| ___| |_ _   Starting in cloud mode on port null
   [junit4]   2> 2720494 INFO  (jetty-launcher-4264-thread-2) [    ] 
o.a.s.c.s.e.JettySolrRunner Jetty properties: {hostContext=/solr, 
hostPort=32883}
   [junit4]   2> 2720494 INFO  (jetty-launcher-4264-thread-1) [    ] 
o.a.s.s.SolrDispatchFilter \__ \/ _ \ | '_|  Install dir: null
   [junit4]   2> 2720494 INFO  (jetty-launcher-4264-thread-1) [    ] 
o.a.s.s.SolrDispatchFilter |___/\___/_|_|    Start time: 
2018-01-30T08:56:16.444Z
   [junit4]   2> 2720494 ERROR (jetty-launcher-4264-thread-2) [    ] 
o.a.s.u.StartupLoggingUtils Missing Java Option solr.log.dir. Logging may be 
missing or incomplete.
   [junit4]   2> 2720495 INFO  (jetty-launcher-4264-thread-2) [    ] 
o.a.s.s.SolrDispatchFilter  ___      _       Welcome to Apache Solr? version 
7.3.0
   [junit4]   2> 2720495 INFO  (jetty-launcher-4264-thread-2) [    ] 
o.a.s.s.SolrDispatchFilter / __| ___| |_ _   Starting in cloud mode on port null
   [junit4]   2> 2720495 INFO  (jetty-launcher-4264-thread-2) [    ] 
o.a.s.s.SolrDispatchFilter \__ \/ _ \ | '_|  Install dir: null
   [junit4]   2> 2720495 INFO  (jetty-launcher-4264-thread-2) [    ] 
o.a.s.s.SolrDispatchFilter |___/\___/_|_|    Start time: 
2018-01-30T08:56:16.445Z
   [junit4]   2> 2720496 INFO  (zkConnectionManagerCallback-4269-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 2720496 INFO  (zkConnectionManagerCallback-4271-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 2720496 INFO  (jetty-launcher-4264-thread-1) [    ] 
o.a.s.s.SolrDispatchFilter solr.xml found in ZooKeeper. Loading...
   [junit4]   2> 2720496 INFO  (jetty-launcher-4264-thread-2) [    ] 
o.a.s.s.SolrDispatchFilter solr.xml found in ZooKeeper. Loading...
   [junit4]   2> 2720506 INFO  (jetty-launcher-4264-thread-1) [    ] 
o.a.s.c.ZkContainer Zookeeper client=127.0.0.1:35021/solr
   [junit4]   2> 2720506 INFO  (jetty-launcher-4264-thread-2) [    ] 
o.a.s.c.ZkContainer Zookeeper client=127.0.0.1:35021/solr
   [junit4]   2> 2720507 INFO  (zkConnectionManagerCallback-4279-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 2720507 INFO  (zkConnectionManagerCallback-4277-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 2720508 WARN  (NIOServerCxn.Factory:0.0.0.0/0.0.0.0:0) [    ] 
o.a.z.s.NIOServerCnxn Unable to read additional data from client sessionid 
0x10003eb10410004, likely client has closed socket
   [junit4]   2> 2720509 INFO  
(zkConnectionManagerCallback-4283-thread-1-processing-n:127.0.0.1:40307_solr) 
[n:127.0.0.1:40307_solr    ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 2720509 INFO  
(zkConnectionManagerCallback-4282-thread-1-processing-n:127.0.0.1:32883_solr) 
[n:127.0.0.1:32883_solr    ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 2720556 INFO  (jetty-launcher-4264-thread-1) 
[n:127.0.0.1:40307_solr    ] o.a.s.c.Overseer Overseer (id=null) closing
   [junit4]   2> 2720556 INFO  (jetty-launcher-4264-thread-1) 
[n:127.0.0.1:40307_solr    ] o.a.s.c.OverseerElectionContext I am going to be 
the leader 127.0.0.1:40307_solr
   [junit4]   2> 2720556 INFO  (jetty-launcher-4264-thread-2) 
[n:127.0.0.1:32883_solr    ] o.a.s.c.Overseer Overseer (id=null) closing
   [junit4]   2> 2720557 INFO  (jetty-launcher-4264-thread-1) 
[n:127.0.0.1:40307_solr    ] o.a.s.c.Overseer Overseer 
(id=72061902162821125-127.0.0.1:40307_solr-n_0000000000) starting
   [junit4]   2> 2720557 INFO  (jetty-launcher-4264-thread-2) 
[n:127.0.0.1:32883_solr    ] o.a.s.c.ZkController Register node as live in 
ZooKeeper:/live_nodes/127.0.0.1:32883_solr
   [junit4]   2> 2720558 INFO  
(zkCallback-4281-thread-1-processing-n:127.0.0.1:40307_solr) 
[n:127.0.0.1:40307_solr    ] o.a.s.c.c.ZkStateReader Updated live nodes from 
ZooKeeper... (0) -> (1)
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(zkCallback-4280-thread-1-processing-n:127.0.0.1:32883_solr) 
[n:127.0.0.1:32883_solr    ] o.a.s.c.c.ZkStateReader Updated live nodes from 
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(OverseerAutoScalingTriggerThread-72061902162821125-127.0.0.1:40307_solr-n_0000000000)
 [n:127.0.0.1:40307_solr    ] o.a.s.c.a.OverseerTriggerThread Adding 
.autoAddReplicas trigger
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(OverseerAutoScalingTriggerThread-72061902162821125-127.0.0.1:40307_solr-n_0000000000)
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/autoscaling.json with znode version 1
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(OverseerAutoScalingTriggerThread-72061902162821125-127.0.0.1:40307_solr-n_0000000000)
 [n:127.0.0.1:40307_solr    ] o.a.s.c.a.NodeLostTrigger Initial livenodes: 
[127.0.0.1:32883_solr]
   [junit4]   2> 2720568 DEBUG 
(OverseerAutoScalingTriggerThread-72061902162821125-127.0.0.1:40307_solr-n_0000000000)
 [n:127.0.0.1:40307_solr    ] o.a.s.c.a.OverseerTriggerThread Current 
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(OverseerAutoScalingTriggerThread-72061902162821125-127.0.0.1:40307_solr-n_0000000000)
 [n:127.0.0.1:40307_solr    ] o.a.s.c.a.OverseerTriggerThread Processed trigger 
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(zkCallback-4281-thread-1-processing-n:127.0.0.1:40307_solr) 
[n:127.0.0.1:40307_solr    ] o.a.s.c.c.ZkStateReader Updated live nodes from 
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(zkCallback-4280-thread-1-processing-n:127.0.0.1:32883_solr) 
[n:127.0.0.1:32883_solr    ] o.a.s.c.c.ZkStateReader Updated live nodes from 
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(OverseerAutoScalingTriggerThread-72061902162821125-127.0.0.1:40307_solr-n_0000000000)
 [n:127.0.0.1:40307_solr    ] o.a.s.c.a.OverseerTriggerThread -- clean old 
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 [n:127.0.0.1:40307_solr    ] o.a.s.c.a.OverseerTriggerThread Current 
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[n:127.0.0.1:40307_solr    ] o.a.s.c.a.NodeLostTrigger Running NodeLostTrigger: 
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'solr_32883.solr.node' (registry 'solr.node') enabled at server: 
com.sun.jmx.mbeanserver.JmxMBeanServer@843f74
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[n:127.0.0.1:40307_solr    ] o.a.s.m.r.SolrJmxReporter JMX monitoring for 
'solr_40307.solr.node' (registry 'solr.node') enabled at server: 
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[n:127.0.0.1:32883_solr    ] o.a.s.m.r.SolrJmxReporter JMX monitoring for 
'solr_32883.solr.jvm' (registry 'solr.jvm') enabled at server: 
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'solr_32883.solr.jetty' (registry 'solr.jetty') enabled at server: 
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[n:127.0.0.1:32883_solr    ] o.a.s.c.CorePropertiesLocator Found 0 core 
definitions underneath 
/home/jenkins/workspace/Lucene-Solr-7.x-Linux/solr/build/solr-core/test/J2/temp/solr.cloud.autoscaling.TriggerIntegrationTest_25B997D893BFF24A-001/tempDir-001/node2/.
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[n:127.0.0.1:40307_solr    ] o.a.s.m.r.SolrJmxReporter JMX monitoring for 
'solr_40307.solr.jvm' (registry 'solr.jvm') enabled at server: 
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[n:127.0.0.1:40307_solr    ] o.a.s.m.r.SolrJmxReporter JMX monitoring for 
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[n:127.0.0.1:40307_solr    ] o.a.s.c.CorePropertiesLocator Found 0 core 
definitions underneath 
/home/jenkins/workspace/Lucene-Solr-7.x-Linux/solr/build/solr-core/test/J2/temp/solr.cloud.autoscaling.TriggerIntegrationTest_25B997D893BFF24A-001/tempDir-001/node1/.
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] o.a.s.c.c.ConnectionManager zkClient has connected
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] o.a.s.c.c.ConnectionManager zkClient has connected
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (2)
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o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:35021/solr ready
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(TEST-TriggerIntegrationTest.testContinueTriggersOnOverseerRestart-seed#[25B997D893BFF24A])
 [    ] o.a.s.SolrTestCaseJ4 ###Starting testContinueTriggersOnOverseerRestart
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(TEST-TriggerIntegrationTest.testContinueTriggersOnOverseerRestart-seed#[25B997D893BFF24A])
 [    ] o.a.s.c.a.TriggerIntegrationTest /autoscaling.json reset, new znode 
version 2
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(zkCallback-4281-thread-1-processing-n:127.0.0.1:40307_solr) 
[n:127.0.0.1:40307_solr    ] o.a.s.c.a.OverseerTriggerThread Refreshing 
/autoscaling.json with znode version 2
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(OverseerAutoScalingTriggerThread-72061902162821125-127.0.0.1:40307_solr-n_0000000000)
 [n:127.0.0.1:40307_solr    ] o.a.s.c.a.OverseerTriggerThread Processed trigger 
updates upto znodeVersion 2
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(OverseerAutoScalingTriggerThread-72061902162821125-127.0.0.1:40307_solr-n_0000000000)
 [n:127.0.0.1:40307_solr    ] o.a.s.c.a.OverseerTriggerThread -- clean old 
nodeLost markers
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(OverseerAutoScalingTriggerThread-72061902162821125-127.0.0.1:40307_solr-n_0000000000)
 [n:127.0.0.1:40307_solr    ] o.a.s.c.a.OverseerTriggerThread -- clean old 
nodeAdded markers
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(OverseerAutoScalingTriggerThread-72061902162821125-127.0.0.1:40307_solr-n_0000000000)
 [n:127.0.0.1:40307_solr    ] o.a.s.c.a.OverseerTriggerThread Current 
znodeVersion 2, lastZnodeVersion 2
   [junit4]   2> 2720858 INFO  (qtp31171137-24576) [n:127.0.0.1:40307_solr    ] 
o.a.s.h.a.CollectionsHandler Invoked Collection Action :overseerstatus with 
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o.a.s.s.HttpSolrCall [admin] webapp=null path=/admin/collections 
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o.a.s.s.HttpSolrCall [admin] webapp=null path=/admin/metrics 
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o.a.s.s.HttpSolrCall [admin] webapp=null path=/admin/metrics 
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o.a.s.c.a.AutoScalingHandler Verified autoscaling configuration
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(zkCallback-4281-thread-1-processing-n:127.0.0.1:40307_solr) 
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/autoscaling.json with znode version 3
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(zkCallback-4281-thread-1-processing-n:127.0.0.1:40307_solr) 
[n:127.0.0.1:40307_solr    ] o.a.s.c.a.NodeAddedTrigger Initial livenodes: 
[127.0.0.1:32883_solr, 127.0.0.1:40307_solr]
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[n:127.0.0.1:40307_solr    ] o.a.s.c.a.NodeAddedTrigger NodeAddedTrigger 
node_added_triggerCTOOR instantiated with properties: {event=nodeAdded, 
waitFor=1, actions=[{name=test, 
class=org.apache.solr.cloud.autoscaling.TriggerIntegrationTest$TestTriggerAction}],
 enabled=true}
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(OverseerAutoScalingTriggerThread-72061902162821125-127.0.0.1:40307_solr-n_0000000000)
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TestTriggerAction init
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 [n:127.0.0.1:40307_solr    ] o.a.s.c.a.OverseerTriggerThread -- clean old 
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[n:127.0.0.1:40307_solr    ] o.a.s.c.a.NodeAddedTrigger Running 
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[n:127.0.0.1:40307_solr    ] o.a.s.c.a.NodeAddedTrigger Found livenodes: 2
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 [    ] o.e.j.s.AbstractConnector Stopped ServerConnector@1d6e281{SSL,[ssl, 
http/1.1]}{127.0.0.1:0}
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 [    ] o.a.s.c.ZkController Remove node as live in 
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 [    ] o.a.s.m.SolrMetricManager Closing metric reporters for 
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(zkCallback-4281-thread-1-processing-n:127.0.0.1:40307_solr) 
[n:127.0.0.1:40307_solr    ] o.a.s.c.c.ZkStateReader Updated live nodes from 
ZooKeeper... (2) -> (1)
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(zkCallback-4280-thread-1-processing-n:127.0.0.1:32883_solr) 
[n:127.0.0.1:32883_solr    ] o.a.s.c.c.ZkStateReader Updated live nodes from 
ZooKeeper... (2) -> (1)
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(TEST-TriggerIntegrationTest.testContinueTriggersOnOverseerRestart-seed#[25B997D893BFF24A])
 [    ] o.a.s.c.TransientSolrCoreCacheDefault Allocating transient cache for 
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o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (1)
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(TEST-TriggerIntegrationTest.testContinueTriggersOnOverseerRestart-seed#[25B997D893BFF24A])
 [    ] o.a.s.c.Overseer Overseer 
(id=72061902162821125-127.0.0.1:40307_solr-n_0000000000) closing
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(OverseerStateUpdate-72061902162821125-127.0.0.1:40307_solr-n_0000000000) 
[n:127.0.0.1:40307_solr    ] o.a.s.c.Overseer Overseer Loop exiting : 
127.0.0.1:40307_solr
   [junit4]   2> 2720958 WARN  
(OverseerAutoScalingTriggerThread-72061902162821125-127.0.0.1:40307_solr-n_0000000000)
 [n:127.0.0.1:40307_solr    ] o.a.s.c.a.OverseerTriggerThread 
OverseerTriggerThread woken up but we are closed, exiting.
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(TEST-TriggerIntegrationTest.testContinueTriggersOnOverseerRestart-seed#[25B997D893BFF24A])
 [    ] o.a.s.c.a.OverseerTriggerThread OverseerTriggerThread has been closed 
explicitly
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(TEST-TriggerIntegrationTest.testContinueTriggersOnOverseerRestart-seed#[25B997D893BFF24A])
 [    ] o.e.j.s.h.ContextHandler Stopped 
o.e.j.s.ServletContextHandler@1e1863f{/solr,null,UNAVAILABLE}
   [junit4]   2> 2720960 INFO  
(zkCallback-4280-thread-1-processing-n:127.0.0.1:32883_solr) 
[n:127.0.0.1:32883_solr    ] o.a.s.c.OverseerElectionContext I am going to be 
the leader 127.0.0.1:32883_solr
   [junit4]   2> 2720960 INFO  
(TEST-TriggerIntegrationTest.testContinueTriggersOnOverseerRestart-seed#[25B997D893BFF24A])
 [    ] o.e.j.s.session Stopped scavenging
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(zkCallback-4280-thread-1-processing-n:127.0.0.1:32883_solr) 
[n:127.0.0.1:32883_solr    ] o.a.s.c.Overseer Overseer 
(id=72061902162821126-127.0.0.1:32883_solr-n_0000000001) starting
   [junit4]   2> 2720964 DEBUG 
(OverseerAutoScalingTriggerThread-72061902162821126-127.0.0.1:32883_solr-n_0000000001)
 [n:127.0.0.1:32883_solr    ] o.a.s.c.a.OverseerTriggerThread Adding 
.autoAddReplicas trigger
   [junit4]   2> 2720964 DEBUG 
(OverseerAutoScalingTriggerThread-72061902162821126-127.0.0.1:32883_solr-n_0000000001)
 [n:127.0.0.1:32883_solr    ] o.a.s.c.a.OverseerTriggerThread Refreshing 
/autoscaling.json with znode version 4
   [junit4]   2> 2720965 DEBUG 
(OverseerAutoScalingTriggerThread-72061902162821126-127.0.0.1:32883_solr-n_0000000001)
 [n:127.0.0.1:32883_solr    ] o.a.s.c.a.NodeAddedTrigger Initial livenodes: 
[127.0.0.1:32883_solr]
   [junit4]   2> 2720965 DEBUG 
(OverseerAutoScalingTriggerThread-72061902162821126-127.0.0.1:32883_solr-n_0000000001)
 [n:127.0.0.1:32883_solr    ] o.a.s.c.a.NodeAddedTrigger NodeAddedTrigger 
node_added_triggerCTOOR instantiated with properties: {event=nodeAdded, 
waitFor=1, actions=[{name=test, 
class=org.apache.solr.cloud.autoscaling.TriggerIntegrationTest$TestTriggerAction}],
 enabled=true}
   [junit4]   2> 2720965 DEBUG 
(OverseerAutoScalingTriggerThread-72061902162821126-127.0.0.1:32883_solr-n_0000000001)
 [n:127.0.0.1:32883_solr    ] o.a.s.c.a.NodeLostTrigger Initial livenodes: 
[127.0.0.1:32883_solr]
   [junit4]   2> 2720965 DEBUG 
(OverseerAutoScalingTriggerThread-72061902162821126-127.0.0.1:32883_solr-n_0000000001)
 [n:127.0.0.1:32883_solr    ] o.a.s.c.a.OverseerTriggerThread Current 
znodeVersion 4, lastZnodeVersion -1
   [junit4]   2> 2720965 DEBUG 
(OverseerAutoScalingTriggerThread-72061902162821126-127.0.0.1:32883_solr-n_0000000001)
 [n:127.0.0.1:32883_solr    ] o.a.s.c.a.OverseerTriggerThread Processed trigger 
updates upto znodeVersion 4
   [junit4]   2> 2720966 INFO  
(OverseerAutoScalingTriggerThread-72061902162821126-127.0.0.1:32883_solr-n_0000000001)
 [n:127.0.0.1:32883_solr    ] o.a.s.c.a.TriggerIntegrationTest 
TestTriggerAction init
   [junit4]   2> 2720966 DEBUG (ScheduledTrigger-8634-thread-1) 
[n:127.0.0.1:32883_solr    ] o.a.s.c.a.NodeAddedTrigger Running 
NodeAddedTrigger node_added_triggerCTOOR
   [junit4]   2> 2720967 DEBUG (ScheduledTrigger-8634-thread-1) 
[n:127.0.0.1:32883_solr    ] o.a.s.c.a.NodeAddedTrigger Found livenodes: 1
   [junit4]   2> 2720967 DEBUG 
(OverseerAutoScalingTriggerThread-72061902162821126-127.0.0.1:32883_solr-n_0000000001)
 [n:127.0.0.1:32883_solr    ] o.a.s.c.a.OverseerTriggerThread Current 
znodeVersion 4, lastZnodeVersion 4
   [junit4]   2> 2720968 DEBUG (ScheduledTrigger-8634-thread-1) 
[n:127.0.0.1:32883_solr    ] o.a.s.c.a.NodeLostTrigger Running NodeLostTrigger: 
.auto_add_replicas with currently live nodes: 1
   [junit4]   2> 2721968 DEBUG (ScheduledTrigger-8634-thread-2) 
[n:127.0.0.1:32883_solr    ] o.a.s.c.a.NodeAddedTrigger Running 
NodeAddedTrigger node_added_triggerCTOOR
   [junit4]   2> 2721968 DEBUG (ScheduledTrigger-8634-thread-2) 
[n:127.0.0.1:32883_solr    ] o.a.s.c.a.NodeAddedTrigger Found livenodes: 1
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version 7.3.0
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(TEST-TriggerIntegrationTest.testNodeMarkersRegistration-seed#[25B997D893BFF24A])
 [    ] o.a.s.s.SolrDispatchFilter / __| ___| |_ _   Starting in cloud mode on 
port null
   [junit4]   2> 2733004 INFO  
(TEST-TriggerIntegrationTest.testNodeMarkersRegistration-seed#[25B997D893BFF24A])
 [    ] o.a.s.s.SolrDispatchFilter \__ \/ _ \ | '_|  Install dir: null
   [junit4]   2> 2733004 INFO  
(TEST-TriggerIntegrationTest.testNodeMarkersRegistration-seed#[25B997D893BFF24A])
 [    ] o.a.s.s.SolrDispatchFilter |___/\___/_|_|    Start time: 
2018-01-30T08:56:28.954Z
   [junit4]   2> 2733005 INFO  (zkConnectionManagerCallback-4305-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 2733006 INFO  
(TEST-TriggerIntegrationTest.testNodeMarkersRegistration-seed#[25B997D893BFF24A])
 [    ] o.a.s.s.SolrDispatchFilter solr.xml found in ZooKeeper. Loading...
   [junit4]   2> 2733015 INFO  
(TEST-TriggerIntegrationTest.testNodeMarkersRegistration-seed#[25B997D893BFF24A])
 [    ] o.a.s.c.ZkContainer Zookeeper client=127.0.0.1:35021/solr
   [junit4]   2> 2733016 INFO  (zkConnectionManagerCallback-4309-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 2733019 INFO  
(zkConnectionManagerCallback-4311-thread-1-processing-n:127.0.0.1:44001_solr) 
[n:127.0.0.1:44001_solr    ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 2733022 INFO  
(TEST-TriggerIntegrationTest.testNodeMarkersRegistration-seed#[25B997D893BFF24A])
 [n:127.0.0.1:44001_solr    ] o.a.s.c.c.ZkStateReader Updated live nodes from 
ZooKeeper... (0) -> (2)
   [junit4]   2> 2733023 INFO  
(TEST-TriggerIntegrationTest.testNodeMarkersRegistration-seed#[25B997D893BFF24A])
 [n:127.0.0.1:44001_solr    ] o.a.s.c.Overseer Overseer (id=null) closing
   [junit4]   2> 2733025 INFO  
(TEST-TriggerIntegrationTest.testNodeMarkersRegistration-seed#[25B997D893BFF24A])
 [n:127.0.0.1:44001_solr    ] o.a.s.c.ZkController Register node as live in 
ZooKeeper:/live_nodes/127.0.0.1:44001_solr
   [junit4]   2> 2733025 INFO  
(zkCallback-4280-thread-1-processing-n:127.0.0.1:32883_solr) 
[n:127.0.0.1:32883_solr    ] o.a.s.c.c.ZkStateReader Updated live nodes from 
ZooKeeper... (2) -> (3)
   [junit4]   2> 2733025 INFO  (zkCallback-4292-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (3)
   [junit4]   2> 2733025 INFO  
(zkCallback-4300-thread-1-processing-n:127.0.0.1:37179_solr) 
[n:127.0.0.1:37179_solr    ] o.a.s.c.c.ZkStateReader Updated live nodes from 
ZooKeeper... (2) -> (3)
   [junit4]   2> 2733026 INFO  
(zkCallback-4310-thread-1-processing-n:127.0.0.1:44001_solr) 
[n:127.0.0.1:44001_solr    ] o.a.s.c.c.ZkStateReader Updated live nodes from 
ZooKeeper... (2) -> (3)
   [junit4]   2> 2733220 INFO  
(TEST-TriggerIntegrationTest.testNodeMarkersRegistration-seed#[25B997D893BFF24A])
 [n:127.0.0.1:44001_solr    ] o.a.s.m.r.SolrJmxReporter JMX monitoring for 
'solr_44001.solr.node' (registry 'solr.node') enabled at server: 
com.sun.jmx.mbeanserver.JmxMBeanServer@843f74
   [junit4]   2> 2733232 INFO  
(TEST-TriggerIntegrationTest.testNodeMarkersRegistration-seed#[25B997D893BFF24A])
 [n:127.0.0.1:44001_solr    ] o.a.s.m.r.SolrJmxReporter JMX monitoring for 
'solr_44001.solr.jvm' (registry 'solr.jvm') enabled at server: 
com.sun.jmx.mbeanserver.JmxMBeanServer@843f74
   [junit4]   2> 2733233 INFO  
(TEST-TriggerIntegrationTest.testNodeMarkersRegistration-seed#[25B997D893BFF24A])
 [n:127.0.0.1:44001_solr    ] o.a.s.m.r.SolrJmxReporter JMX monitoring for 
'solr_44001.solr.jetty' (registry 'solr.jetty') enabled at server: 
com.sun.jmx.mbeanserver.JmxMBeanServer@843f74
   [junit4]   2> 2733234 INFO  
(TEST-TriggerIntegrationTest.testNodeMarkersRegistration-seed#[25B997D893BFF24A])
 [n:127.0.0.1:44001_solr    ] o.a.s.c.CorePropertiesLocator Found 0 core 
definitions underneath 
/home/jenkins/workspace/Lucene-Solr-7.x-Linux/solr/build/solr-core/test/J2/temp/solr.cloud.autoscaling.TriggerIntegrationTest_25B997D893BFF24A-001/tempDir-001/node4/.
   [junit4]   2> 2733275 INFO  
(TEST-TriggerIntegrationTest.testNodeMarkersRegistration-seed#[25B997D893BFF24A])
 [    ] o.a.s.c.a.TriggerIntegrationTest ====== KILL OVERSEER 1
   [junit4]   2> 2733276 INFO  
(TEST-TriggerIntegrationTest.testNodeMarkersRegistration-seed#[25B997D893BFF24A])
 [    ] o.e.j.s.AbstractConnector Stopped ServerConnector@e891cf{SSL,[ssl, 
http/1.1]}{127.0.0.1:0}
   [junit4]   2> 2733276 INFO  
(TEST-TriggerIntegrationTest.testNodeMarkersRegistration-seed#[25B997D893BFF24A])
 [    ] o.a.s.c.CoreContainer Shutting down CoreContainer instance=22936638
   [junit4]   2> 2733276 INFO  
(TEST-TriggerIntegrationTest.testNodeMarkersRegistration-seed#[25B997D893BFF24A])
 [    ] o.a.s.m.SolrMetricManager Closing metric reporters for 
registry=solr.node, tag=null
   [junit4]   2> 2733277 INFO  
(TEST-TriggerIntegrationTest.testNodeMarkersRegistration-seed#[25B997D893BFF24A])
 [    ] o.a.s.m.r.SolrJmxReporter Closing reporter 
[org.apache.solr.metrics.reporters.SolrJmxReporter@124055c: rootName = 
solr_32883, domain = solr.node, service url = null, agent id = null] for 
registry solr.node / com.codahale.metrics.MetricRegistry@645e91
   [junit4]   2> 2733282 INFO  
(TEST-TriggerIntegrationTest.testNodeMarkersRegistration-seed#[25B997D893BFF24A])
 [    ] o.a.s.m.SolrMetricManager Closing metric reporters for 
registry=solr.jvm, tag=null
   [junit4]   2> 2733282 INFO  
(TEST-TriggerIntegrationTest.testNodeMarkersRegistration-seed#[25B997D893BFF24A])
 [    ] o.a.s.m.r.SolrJmxReporter Closing reporter 
[org.apache.solr.metrics.reporters.SolrJmxReporter@f22c70: rootName = 
solr_32883, domain = solr.jvm, service url = null, agent id = null] for 
registry solr.jvm / com.codahale.metrics.MetricRegistry@ee12bb
   [junit4]   2> 2733287 INFO  
(TEST-TriggerIntegrationTest.testNodeMarkersRegistration-seed#[25B997D893BFF24A])
 [    ] o.a.s.m.SolrMetricManager Closing metric reporters for 
registry=solr.jetty, tag=null
   [junit4]   2> 2733287 INFO  
(TEST-TriggerIntegrationTest.testNodeMarkersRegistration-seed#[25B997D893BFF24A])
 [    ] o.a.s.m.r.SolrJmxReporter Closing reporter 
[org.apache.solr.metrics.reporters.SolrJmxReporter@f56660: rootName = 
solr_32883, domain = solr.jetty, service url = null, agent id = null] for 
registry solr.jetty / com.codahale.metrics.MetricRegistry@e30510
   [junit4]   2> 2733288 INFO  
(TEST-TriggerIntegrationTest.testNodeMarkersRegistration-seed#[25B997D893BFF24A])
 [    ] o.a.s.c.ZkController Remove node as live in 
ZooKeeper:/live_nodes/127.0.0.1:32883_solr
   [junit4]   2> 2733289 INFO  
(TEST-TriggerIntegrationTest.testNodeMarkersRegistration-seed#[25B997D893BFF24A])
 [    ] o.a.s.m.SolrMetricManager Closing metric reporters for 
registry=solr.cluster, tag=null
   [junit4]   2> 2733289 INFO  
(zkCallback-4280-thread-1-processing-n:127.0.0.1:32883_solr) 
[n:127.0.0.1:32883_solr    ] o.a.s.c.c.ZkStateReader Updated live nodes from 
ZooKeeper... (3) -> (2)
   [junit4]   2> 2733289 INFO  (zkCallback-4292-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (3) -> (2)
   [junit4]   2> 2733289 INFO  
(TEST-TriggerIntegrationTest.testNodeMarkersRegistration-seed#[25B997D893BFF24A])
 [    ] o.a.s.c.TransientSolrCoreCacheDefault Allocating transient cache for 
2147483647 transient cores
   [junit4]   2> 2733289 INFO  
(zkCallback-4310-thread-1-processing-n:127.0.0.1:44001_solr) 
[n:127.0.0.1:44001_solr    ] o.a.s.c.c.ZkStateReader Updated live nodes from 
ZooKeeper... (3) -> (2)
   [junit4]   2> 2733289 INFO  
(zkCallback-4300-thread-1-processing-n:127.0.0.1:37179_solr) 
[n:127.0.0.1:37179_solr    ] o.a.s.c.c.ZkStateReader Updated live nodes from 
ZooKeeper... (3) -> (2)
   [junit4]   2> 2733289 INFO  
(TEST-TriggerIntegrationTest.testNodeMarkersRegistration-seed#[25B997D893BFF24A])
 [    ] o.a.s.c.Overseer Overseer 
(id=72061902162821126-127.0.0.1:32883_solr-n_0000000001) closing
   [junit4]   2> 2733289 INFO  
(OverseerStateUpdate-72061902162821126-127.0.0.1:32883_solr-n_0000000001) 
[n:127.0.0.1:32883_solr    ] o.a.s.c.Overseer Overseer Loop exiting : 
127.0.0.1:32883_solr
   [junit4]   2> 2733289 WARN  
(OverseerAutoScalingTriggerThread-72061902162821126-127.0.0.1:32883_solr-n_0000000001)
 [n:127.0.0.1:32883_solr    ] o.a.s.c.a.OverseerTriggerThread 
OverseerTriggerThread woken up but we are closed, exiting.
   [junit4]   2> 2733290 DEBUG 
(TEST-TriggerIntegrationTest.testNodeMarkersRegistration-seed#[25B997D893BFF24A])
 [    ] o.a.s.c.a.OverseerTriggerThread OverseerTriggerThread has been closed 
explicitly
   [junit4]   2> 2733290 INFO  
(zkCallback-4300-thread-1-processing-n:127.0.0.1:37179_solr) 
[n:127.0.0.1:37179_solr    ] o.a.s.c.OverseerElectionContext I am going to be 
the leader 127.0.0.1:37179_solr
   [junit4]   2> 2733290 INFO  
(TEST-TriggerIntegrationTest.testNodeMarkersRegistration-seed#[25B997D893BFF24A])
 [    ] o.e.j.s.h.ContextHandler Stopped 
o.e.j.s.ServletContextHandler@1151743{/solr,null,UNAVAILABLE}
   [junit4]   2> 2733291 INFO  
(TEST-TriggerIntegrationTest.testNodeMarkersRegistration-seed#[25B997D893BFF24A])
 [    ] o.e.j.s.session Stopped scavenging
   [junit4]   2> 2733291 INFO  
(zkCallback-4300-thread-1-processing-n:127.0.0.1:37179_solr) 
[n:127.0.0.1:37179_solr    ] o.a.s.c.Overseer Overseer 
(id=72061902162821131-127.0.0.1:37179_solr-n_0000000002) starting
   [junit4]   2> 2733295 DEBUG 
(OverseerAutoScalingTriggerThread-72061902162821131-127.0.0.1:37179_solr-n_0000000002)
 [n:127.0.0.1:37179_solr    ] o.a.s.c.a.OverseerTriggerThread Adding 
.autoAddReplicas trigger
   [junit4]   2> 2733295 DEBUG 
(OverseerAutoScalingTriggerThread-72061902162821131-127.0.0.1:37179_solr-n_0000000002)
 [n:127.0.0.1:37179_solr    ] o.a.s.c.a.OverseerTriggerThread Refreshing 
/autoscaling.json with znode version 6
   [junit4]   2> 2733295 DEBUG 
(OverseerAutoScalingTriggerThread-72061902162821131-127.0.0.1:37179_solr-n_0000000002)
 [n:127.0.0.1:37179_solr    ] o.a.s.c.a.NodeLostTrigger Initial livenodes: 
[127.0.0.1:44001_solr, 127.0.0.1:37179_solr]
   [junit4]   2> 2733295 DEBUG 
(OverseerAutoScalingTriggerThread-72061902162821131-127.0.0.1:37179_solr-n_0000000002)
 [n:127.0.0.1:37179_solr    ] o.a.s.c.a.OverseerTriggerThread Current 
znodeVersion 6, lastZnodeVersion -1
   [junit4]   2> 2733296 DEBUG 
(OverseerAutoScalingTriggerThread-72061902162821131-127.0.0.1:37179_solr-n_0000000002)
 [n:127.0.0.1:37179_solr    ] o.a.s.c.a.OverseerTriggerThread Processed trigger 
updates upto znodeVersion 6
   [junit4]   2> 2733297 DEBUG 
(OverseerAutoScalingTriggerThread-72061902162821131-127.0.0.1:37179_solr-n_0000000002)
 [n:127.0.0.1:37179_solr    ] o.a.s.c.a.OverseerTriggerThread -- clean old 
nodeAdded markers
   [junit4]   2> 2733297 DEBUG 
(OverseerAutoScalingTriggerThread-72061902162821131-127.0.0.1:37179_solr-n_0000000002)
 [n:127.0.0.1:37179_solr    ] o.a.s.c.a.OverseerTriggerThread Current 
znodeVersion 6, lastZnodeVersion 6
   [junit4]   2> 2733297 DEBUG (ScheduledTrigger-8651-thread-1) 
[n:127.0.0.1:37179_solr    ] o.a.s.c.a.NodeLostTrigger 

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

ache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:174)
   [junit4]    >        at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:177)
   [junit4]    >        at 
org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:736)
   [junit4]    >        at 
org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:717)
   [junit4]    >        at 
org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:498)
   [junit4]    >        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:380)
   [junit4]    >        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:326)
   [junit4]    >        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637)
   [junit4]    >        at 
org.apache.solr.client.solrj.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:139)
   [junit4]    >        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637)
   [junit4]    >        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:533)
   [junit4]    >        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:188)
   [junit4]    >        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1595)
   [junit4]    >        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:188)
   [junit4]    >        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1253)
   [junit4]    >        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:168)
   [junit4]    >        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:473)
   [junit4]    >        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1564)
   [junit4]    >        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:166)
   [junit4]    >        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1155)
   [junit4]    >        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
   [junit4]    >        at 
org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:455)
   [junit4]    >        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
   [junit4]    >        at 
org.eclipse.jetty.server.Server.handle(Server.java:530)
   [junit4]    >        at 
org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:347)
   [junit4]    >        at 
org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:256)
   [junit4]    >        at 
org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:279)
   [junit4]    >        at 
org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:102)
   [junit4]    >        at 
org.eclipse.jetty.io.ssl.SslConnection.onFillable(SslConnection.java:289)
   [junit4]    >        at 
org.eclipse.jetty.io.ssl.SslConnection$3.succeeded(SslConnection.java:149)
   [junit4]    >        at 
org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:102)
   [junit4]    >        at 
org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:124)
   [junit4]    >        at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:247)
   [junit4]    >        at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.produce(EatWhatYouKill.java:140)
   [junit4]    >        at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131)
   [junit4]    >        at 
org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:382)
   [junit4]    >        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:708)
   [junit4]    >        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)
   [junit4]    >        at java.lang.Thread.run(Thread.java:748)
   [junit4]    > 
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MockDirectoryWrapper
   [junit4]    >        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
   [junit4]    >        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:348)
   [junit4]    >        at 
org.apache.solr.core.SolrCore.initSnapshotMetaDataManager(SolrCore.java:498)
   [junit4]    >        at 
org.apache.solr.core.SolrCore.<init>(SolrCore.java:948)
   [junit4]    >        at 
org.apache.solr.core.SolrCore.<init>(SolrCore.java:863)
   [junit4]    >        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1039)
   [junit4]    >        at 
org.apache.solr.core.CoreContainer.create(CoreContainer.java:950)
   [junit4]    >        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:91)
   [junit4]    >        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:384)
   [junit4]    >        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:389)
   [junit4]    >        at 
org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:174)
   [junit4]    >        at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:177)
   [junit4]    >        at 
org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:736)
   [junit4]    >        at 
org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:717)
   [junit4]    >        at 
org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:498)
   [junit4]    >        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:380)
   [junit4]    >        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:326)
   [junit4]    >        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637)
   [junit4]    >        at 
org.apache.solr.client.solrj.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:139)
   [junit4]    >        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637)
   [junit4]    >        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:533)
   [junit4]    >        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:188)
   [junit4]    >        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1595)
   [junit4]    >        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:188)
   [junit4]    >        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1253)
   [junit4]    >        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:168)
   [junit4]    >        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:473)
   [junit4]    >        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1564)
   [junit4]    >        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:166)
   [junit4]    >        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1155)
   [junit4]    >        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
   [junit4]    >        at 
org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:455)
   [junit4]    >        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
   [junit4]    >        at 
org.eclipse.jetty.server.Server.handle(Server.java:530)
   [junit4]    >        at 
org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:347)
   [junit4]    >        at 
org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:256)
   [junit4]    >        at 
org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:279)
   [junit4]    >        at 
org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:102)
   [junit4]    >        at 
org.eclipse.jetty.io.ssl.SslConnection.onFillable(SslConnection.java:289)
   [junit4]    >        at 
org.eclipse.jetty.io.ssl.SslConnection$3.succeeded(SslConnection.java:149)
   [junit4]    >        at 
org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:102)
   [junit4]    >        at 
org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:124)
   [junit4]    >        at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:247)
   [junit4]    >        at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.produce(EatWhatYouKill.java:140)
   [junit4]    >        at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131)
   [junit4]    >        at 
org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:382)
   [junit4]    >        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:708)
   [junit4]    >        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)
   [junit4]    >        at java.lang.Thread.run(Thread.java:748)
   [junit4]    > 
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor
   [junit4]    >        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
   [junit4]    >        at 
org.apache.solr.core.SolrCore.<init>(SolrCore.java:892)
   [junit4]    >        at 
org.apache.solr.core.SolrCore.reload(SolrCore.java:656)
   [junit4]    >        at 
org.apache.solr.core.CoreContainer.reload(CoreContainer.java:1287)
   [junit4]    >        at 
org.apache.solr.core.SolrCore.lambda$getConfListener$20(SolrCore.java:2969)
   [junit4]    >        at 
org.apache.solr.cloud.ZkController.lambda$fireEventListeners$5(ZkController.java:2610)
   [junit4]    >        at java.lang.Thread.run(Thread.java:748)
   [junit4]    >        at 
__randomizedtesting.SeedInfo.seed([25B997D893BFF24A]:0)
   [junit4]    >        at 
org.apache.solr.SolrTestCaseJ4.teardownTestCases(SolrTestCaseJ4.java:295)
   [junit4]    >        at java.lang.Thread.run(Thread.java:748)
   [junit4] Completed [685/772 (2!)] on J1 in 26.30s, 1 test, 1 failure <<< 
FAILURES!

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