[JENKINS] Solr-main-MacOSX (64bit/jdk-11.0.6) - Build # 133 - Still Unstable!

[Policeman Jenkins Server]

Build: https://jenkins.thetaphi.de/job/Solr-main-MacOSX/133/
Java: 64bit/jdk-11.0.6 -XX:-UseCompressedOops -XX:+UseG1GC

2 tests failed.
FAILED:  
org.apache.solr.cloud.api.collections.TestLocalFSCloudBackupRestore.classMethod

Error Message:
java.lang.AssertionError: ObjectTracker found 6 object(s) that were not 
released!!! [InternalHttpClient, MockDirectoryWrapper, MockDirectoryWrapper, 
InternalHttpClient, SolrCore, MockDirectoryWrapper]
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.http.impl.client.InternalHttpClient
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:338)
        at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:347)
        at 
org.apache.solr.handler.IndexFetcher.createHttpClient(IndexFetcher.java:227)
        at org.apache.solr.handler.IndexFetcher.<init>(IndexFetcher.java:265)
        at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:450)
        at 
org.apache.solr.cloud.RecoveryStrategy.replicate(RecoveryStrategy.java:245)
        at 
org.apache.solr.cloud.RecoveryStrategy.doSyncOrReplicateRecovery(RecoveryStrategy.java:676)
        at 
org.apache.solr.cloud.RecoveryStrategy.doRecovery(RecoveryStrategy.java:332)
        at org.apache.solr.cloud.RecoveryStrategy.run(RecoveryStrategy.java:311)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:226)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base/java.lang.Thread.run(Thread.java:834)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MockDirectoryWrapper
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:361)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:525)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:361)
        at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:454)
        at 
org.apache.solr.handler.ReplicationHandler.lambda$setupPolling$13(ReplicationHandler.java:1215)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
        at 
java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305)
        at 
java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base/java.lang.Thread.run(Thread.java:834)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MockDirectoryWrapper
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:361)
        at 
org.apache.solr.core.SolrCore.initSnapshotMetaDataManager(SolrCore.java:555)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1004)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:930)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1509)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1383)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:95)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:367)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:397)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:181)
        at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:214)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:833)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:797)
        at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:542)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:507)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:430)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
        at 
org.apache.solr.client.solrj.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:166)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1612)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1582)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
        at 
org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:322)
        at 
org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:716)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
        at org.eclipse.jetty.server.Server.handle(Server.java:516)
        at 
org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:383)
        at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:556)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:375)
        at org.eclipse.jetty.server.HttpChannel.run(HttpChannel.java:335)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:773)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:905)
        at java.base/java.lang.Thread.run(Thread.java:834)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.http.impl.client.InternalHttpClient
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:338)
        at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:347)
        at 
org.apache.solr.handler.IndexFetcher.createHttpClient(IndexFetcher.java:227)
        at org.apache.solr.handler.IndexFetcher.<init>(IndexFetcher.java:265)
        at 
org.apache.solr.handler.ReplicationHandler.inform(ReplicationHandler.java:1248)
        at 
org.apache.solr.cloud.ReplicateFromLeader.startReplication(ReplicateFromLeader.java:118)
        at 
org.apache.solr.cloud.ZkController.startReplicationFromLeader(ZkController.java:1286)
        at 
org.apache.solr.cloud.RecoveryStrategy.doSyncOrReplicateRecovery(RecoveryStrategy.java:707)
        at 
org.apache.solr.cloud.RecoveryStrategy.doRecovery(RecoveryStrategy.java:332)
        at org.apache.solr.cloud.RecoveryStrategy.run(RecoveryStrategy.java:311)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:226)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base/java.lang.Thread.run(Thread.java:834)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.solr.core.SolrCore
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1092)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:930)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1509)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1383)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:95)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:367)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:397)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:181)
        at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:214)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:833)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:797)
        at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:542)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:507)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:430)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
        at 
org.apache.solr.client.solrj.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:166)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1612)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1582)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
        at 
org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:322)
        at 
org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:716)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
        at org.eclipse.jetty.server.Server.handle(Server.java:516)
        at 
org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:383)
        at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:556)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:375)
        at org.eclipse.jetty.server.HttpChannel.run(HttpChannel.java:335)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:773)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:905)
        at java.base/java.lang.Thread.run(Thread.java:834)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MockDirectoryWrapper
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:361)
        at 
org.apache.solr.update.SolrIndexWriter.create(SolrIndexWriter.java:98)
        at org.apache.solr.core.SolrCore.initIndex(SolrCore.java:822)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1008)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:930)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1509)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1383)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:95)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:367)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:397)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:181)
        at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:214)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:833)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:797)
        at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:542)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:507)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:430)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
        at 
org.apache.solr.client.solrj.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:166)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1612)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1582)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
        at 
org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:322)
        at 
org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:716)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
        at org.eclipse.jetty.server.Server.handle(Server.java:516)
        at 
org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:383)
        at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:556)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:375)
        at org.eclipse.jetty.server.HttpChannel.run(HttpChannel.java:335)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:773)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:905)
        at java.base/java.lang.Thread.run(Thread.java:834)

 expected null, but was:<ObjectTracker found 6 object(s) that were not 
released!!! [InternalHttpClient, MockDirectoryWrapper, MockDirectoryWrapper, 
InternalHttpClient, SolrCore, MockDirectoryWrapper]
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.http.impl.client.InternalHttpClient
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:338)
        at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:347)
        at 
org.apache.solr.handler.IndexFetcher.createHttpClient(IndexFetcher.java:227)
        at org.apache.solr.handler.IndexFetcher.<init>(IndexFetcher.java:265)
        at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:450)
        at 
org.apache.solr.cloud.RecoveryStrategy.replicate(RecoveryStrategy.java:245)
        at 
org.apache.solr.cloud.RecoveryStrategy.doSyncOrReplicateRecovery(RecoveryStrategy.java:676)
        at 
org.apache.solr.cloud.RecoveryStrategy.doRecovery(RecoveryStrategy.java:332)
        at org.apache.solr.cloud.RecoveryStrategy.run(RecoveryStrategy.java:311)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:226)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base/java.lang.Thread.run(Thread.java:834)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MockDirectoryWrapper
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:361)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:525)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:361)
        at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:454)
        at 
org.apache.solr.handler.ReplicationHandler.lambda$setupPolling$13(ReplicationHandler.java:1215)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
        at 
java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305)
        at 
java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base/java.lang.Thread.run(Thread.java:834)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MockDirectoryWrapper
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:361)
        at 
org.apache.solr.core.SolrCore.initSnapshotMetaDataManager(SolrCore.java:555)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1004)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:930)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1509)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1383)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:95)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:367)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:397)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:181)
        at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:214)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:833)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:797)
        at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:542)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:507)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:430)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
        at 
org.apache.solr.client.solrj.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:166)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1612)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1582)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
        at 
org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:322)
        at 
org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:716)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
        at org.eclipse.jetty.server.Server.handle(Server.java:516)
        at 
org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:383)
        at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:556)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:375)
        at org.eclipse.jetty.server.HttpChannel.run(HttpChannel.java:335)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:773)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:905)
        at java.base/java.lang.Thread.run(Thread.java:834)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.http.impl.client.InternalHttpClient
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:338)
        at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:347)
        at 
org.apache.solr.handler.IndexFetcher.createHttpClient(IndexFetcher.java:227)
        at org.apache.solr.handler.IndexFetcher.<init>(IndexFetcher.java:265)
        at 
org.apache.solr.handler.ReplicationHandler.inform(ReplicationHandler.java:1248)
        at 
org.apache.solr.cloud.ReplicateFromLeader.startReplication(ReplicateFromLeader.java:118)
        at 
org.apache.solr.cloud.ZkController.startReplicationFromLeader(ZkController.java:1286)
        at 
org.apache.solr.cloud.RecoveryStrategy.doSyncOrReplicateRecovery(RecoveryStrategy.java:707)
        at 
org.apache.solr.cloud.RecoveryStrategy.doRecovery(RecoveryStrategy.java:332)
        at org.apache.solr.cloud.RecoveryStrategy.run(RecoveryStrategy.java:311)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:226)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base/java.lang.Thread.run(Thread.java:834)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.solr.core.SolrCore
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1092)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:930)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1509)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1383)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:95)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:367)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:397)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:181)
        at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:214)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:833)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:797)
        at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:542)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:507)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:430)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
        at 
org.apache.solr.client.solrj.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:166)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1612)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1582)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
        at 
org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:322)
        at 
org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:716)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
        at org.eclipse.jetty.server.Server.handle(Server.java:516)
        at 
org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:383)
        at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:556)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:375)
        at org.eclipse.jetty.server.HttpChannel.run(HttpChannel.java:335)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:773)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:905)
        at java.base/java.lang.Thread.run(Thread.java:834)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MockDirectoryWrapper
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:361)
        at 
org.apache.solr.update.SolrIndexWriter.create(SolrIndexWriter.java:98)
        at org.apache.solr.core.SolrCore.initIndex(SolrCore.java:822)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1008)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:930)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1509)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1383)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:95)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:367)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:397)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:181)
        at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:214)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:833)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:797)
        at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:542)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:507)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:430)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
        at 
org.apache.solr.client.solrj.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:166)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1612)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1582)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
        at 
org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:322)
        at 
org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:716)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
        at org.eclipse.jetty.server.Server.handle(Server.java:516)
        at 
org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:383)
        at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:556)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:375)
        at org.eclipse.jetty.server.HttpChannel.run(HttpChannel.java:335)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:773)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:905)
        at java.base/java.lang.Thread.run(Thread.java:834)

>

Stack Trace:
java.lang.AssertionError: ObjectTracker found 6 object(s) that were not 
released!!! [InternalHttpClient, MockDirectoryWrapper, MockDirectoryWrapper, 
InternalHttpClient, SolrCore, MockDirectoryWrapper]
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.http.impl.client.InternalHttpClient
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:338)
        at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:347)
        at 
org.apache.solr.handler.IndexFetcher.createHttpClient(IndexFetcher.java:227)
        at org.apache.solr.handler.IndexFetcher.<init>(IndexFetcher.java:265)
        at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:450)
        at 
org.apache.solr.cloud.RecoveryStrategy.replicate(RecoveryStrategy.java:245)
        at 
org.apache.solr.cloud.RecoveryStrategy.doSyncOrReplicateRecovery(RecoveryStrategy.java:676)
        at 
org.apache.solr.cloud.RecoveryStrategy.doRecovery(RecoveryStrategy.java:332)
        at org.apache.solr.cloud.RecoveryStrategy.run(RecoveryStrategy.java:311)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:226)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base/java.lang.Thread.run(Thread.java:834)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MockDirectoryWrapper
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:361)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:525)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:361)
        at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:454)
        at 
org.apache.solr.handler.ReplicationHandler.lambda$setupPolling$13(ReplicationHandler.java:1215)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
        at 
java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305)
        at 
java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base/java.lang.Thread.run(Thread.java:834)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MockDirectoryWrapper
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:361)
        at 
org.apache.solr.core.SolrCore.initSnapshotMetaDataManager(SolrCore.java:555)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1004)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:930)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1509)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1383)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:95)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:367)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:397)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:181)
        at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:214)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:833)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:797)
        at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:542)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:507)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:430)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
        at 
org.apache.solr.client.solrj.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:166)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1612)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1582)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
        at 
org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:322)
        at 
org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:716)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
        at org.eclipse.jetty.server.Server.handle(Server.java:516)
        at 
org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:383)
        at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:556)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:375)
        at org.eclipse.jetty.server.HttpChannel.run(HttpChannel.java:335)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:773)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:905)
        at java.base/java.lang.Thread.run(Thread.java:834)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.http.impl.client.InternalHttpClient
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:338)
        at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:347)
        at 
org.apache.solr.handler.IndexFetcher.createHttpClient(IndexFetcher.java:227)
        at org.apache.solr.handler.IndexFetcher.<init>(IndexFetcher.java:265)
        at 
org.apache.solr.handler.ReplicationHandler.inform(ReplicationHandler.java:1248)
        at 
org.apache.solr.cloud.ReplicateFromLeader.startReplication(ReplicateFromLeader.java:118)
        at 
org.apache.solr.cloud.ZkController.startReplicationFromLeader(ZkController.java:1286)
        at 
org.apache.solr.cloud.RecoveryStrategy.doSyncOrReplicateRecovery(RecoveryStrategy.java:707)
        at 
org.apache.solr.cloud.RecoveryStrategy.doRecovery(RecoveryStrategy.java:332)
        at org.apache.solr.cloud.RecoveryStrategy.run(RecoveryStrategy.java:311)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:226)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base/java.lang.Thread.run(Thread.java:834)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.solr.core.SolrCore
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1092)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:930)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1509)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1383)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:95)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:367)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:397)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:181)
        at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:214)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:833)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:797)
        at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:542)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:507)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:430)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
        at 
org.apache.solr.client.solrj.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:166)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1612)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1582)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
        at 
org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:322)
        at 
org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:716)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
        at org.eclipse.jetty.server.Server.handle(Server.java:516)
        at 
org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:383)
        at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:556)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:375)
        at org.eclipse.jetty.server.HttpChannel.run(HttpChannel.java:335)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:773)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:905)
        at java.base/java.lang.Thread.run(Thread.java:834)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MockDirectoryWrapper
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:361)
        at 
org.apache.solr.update.SolrIndexWriter.create(SolrIndexWriter.java:98)
        at org.apache.solr.core.SolrCore.initIndex(SolrCore.java:822)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1008)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:930)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1509)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1383)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:95)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:367)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:397)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:181)
        at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:214)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:833)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:797)
        at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:542)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:507)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:430)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
        at 
org.apache.solr.client.solrj.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:166)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1612)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1582)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
        at 
org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:322)
        at 
org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:716)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
        at org.eclipse.jetty.server.Server.handle(Server.java:516)
        at 
org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:383)
        at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:556)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:375)
        at org.eclipse.jetty.server.HttpChannel.run(HttpChannel.java:335)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:773)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:905)
        at java.base/java.lang.Thread.run(Thread.java:834)

 expected null, but was:<ObjectTracker found 6 object(s) that were not 
released!!! [InternalHttpClient, MockDirectoryWrapper, MockDirectoryWrapper, 
InternalHttpClient, SolrCore, MockDirectoryWrapper]
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.http.impl.client.InternalHttpClient
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:338)
        at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:347)
        at 
org.apache.solr.handler.IndexFetcher.createHttpClient(IndexFetcher.java:227)
        at org.apache.solr.handler.IndexFetcher.<init>(IndexFetcher.java:265)
        at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:450)
        at 
org.apache.solr.cloud.RecoveryStrategy.replicate(RecoveryStrategy.java:245)
        at 
org.apache.solr.cloud.RecoveryStrategy.doSyncOrReplicateRecovery(RecoveryStrategy.java:676)
        at 
org.apache.solr.cloud.RecoveryStrategy.doRecovery(RecoveryStrategy.java:332)
        at org.apache.solr.cloud.RecoveryStrategy.run(RecoveryStrategy.java:311)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:226)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base/java.lang.Thread.run(Thread.java:834)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MockDirectoryWrapper
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:361)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:525)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:361)
        at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:454)
        at 
org.apache.solr.handler.ReplicationHandler.lambda$setupPolling$13(ReplicationHandler.java:1215)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
        at 
java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305)
        at 
java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base/java.lang.Thread.run(Thread.java:834)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MockDirectoryWrapper
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:361)
        at 
org.apache.solr.core.SolrCore.initSnapshotMetaDataManager(SolrCore.java:555)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1004)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:930)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1509)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1383)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:95)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:367)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:397)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:181)
        at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:214)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:833)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:797)
        at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:542)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:507)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:430)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
        at 
org.apache.solr.client.solrj.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:166)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1612)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1582)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
        at 
org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:322)
        at 
org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:716)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
        at org.eclipse.jetty.server.Server.handle(Server.java:516)
        at 
org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:383)
        at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:556)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:375)
        at org.eclipse.jetty.server.HttpChannel.run(HttpChannel.java:335)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:773)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:905)
        at java.base/java.lang.Thread.run(Thread.java:834)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.http.impl.client.InternalHttpClient
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:338)
        at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:347)
        at 
org.apache.solr.handler.IndexFetcher.createHttpClient(IndexFetcher.java:227)
        at org.apache.solr.handler.IndexFetcher.<init>(IndexFetcher.java:265)
        at 
org.apache.solr.handler.ReplicationHandler.inform(ReplicationHandler.java:1248)
        at 
org.apache.solr.cloud.ReplicateFromLeader.startReplication(ReplicateFromLeader.java:118)
        at 
org.apache.solr.cloud.ZkController.startReplicationFromLeader(ZkController.java:1286)
        at 
org.apache.solr.cloud.RecoveryStrategy.doSyncOrReplicateRecovery(RecoveryStrategy.java:707)
        at 
org.apache.solr.cloud.RecoveryStrategy.doRecovery(RecoveryStrategy.java:332)
        at org.apache.solr.cloud.RecoveryStrategy.run(RecoveryStrategy.java:311)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:226)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base/java.lang.Thread.run(Thread.java:834)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.solr.core.SolrCore
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1092)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:930)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1509)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1383)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:95)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:367)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:397)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:181)
        at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:214)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:833)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:797)
        at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:542)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:507)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:430)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
        at 
org.apache.solr.client.solrj.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:166)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1612)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1582)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
        at 
org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:322)
        at 
org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:716)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
        at org.eclipse.jetty.server.Server.handle(Server.java:516)
        at 
org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:383)
        at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:556)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:375)
        at org.eclipse.jetty.server.HttpChannel.run(HttpChannel.java:335)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:773)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:905)
        at java.base/java.lang.Thread.run(Thread.java:834)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MockDirectoryWrapper
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:361)
        at 
org.apache.solr.update.SolrIndexWriter.create(SolrIndexWriter.java:98)
        at org.apache.solr.core.SolrCore.initIndex(SolrCore.java:822)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1008)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:930)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1509)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1383)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:95)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:367)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:397)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:181)
        at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:214)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:833)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:797)
        at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:542)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:507)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:430)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
        at 
org.apache.solr.client.solrj.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:166)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1612)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1582)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
        at 
org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:322)
        at 
org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:716)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
        at org.eclipse.jetty.server.Server.handle(Server.java:516)
        at 
org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:383)
        at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:556)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:375)
        at org.eclipse.jetty.server.HttpChannel.run(HttpChannel.java:335)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:773)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:905)
        at java.base/java.lang.Thread.run(Thread.java:834)

>
        at __randomizedtesting.SeedInfo.seed([6514E0520EB9961C]:0)
        at org.junit.Assert.fail(Assert.java:89)
        at org.junit.Assert.failNotNull(Assert.java:756)
        at org.junit.Assert.assertNull(Assert.java:738)
        at 
org.apache.solr.SolrTestCaseJ4.teardownTestCases(SolrTestCaseJ4.java:366)
        at jdk.internal.reflect.GeneratedMethodAccessor49.invoke(Unknown Source)
        at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:566)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1754)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:905)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
        at org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:38)
        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 
org.apache.lucene.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:53)
        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:44)
        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:60)
        at 
org.apache.lucene.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:47)
        at org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:370)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl.lambda$forkTimeoutingTask$0(ThreadLeakControl.java:826)
        at java.base/java.lang.Thread.run(Thread.java:834)


FAILED:  org.apache.solr.handler.TestReplicationHandler.classMethod

Error Message:
java.lang.AssertionError: ObjectTracker found 6 object(s) that were not 
released!!! [InternalHttpClient, MockDirectoryWrapper, SolrCore, 
MockDirectoryWrapper, MockDirectoryWrapper, MockDirectoryWrapper]
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.http.impl.client.InternalHttpClient
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:338)
        at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:347)
        at 
org.apache.solr.handler.IndexFetcher.createHttpClient(IndexFetcher.java:227)
        at org.apache.solr.handler.IndexFetcher.<init>(IndexFetcher.java:265)
        at 
org.apache.solr.handler.ReplicationHandler.inform(ReplicationHandler.java:1248)
        at 
org.apache.solr.core.SolrResourceLoader.inform(SolrResourceLoader.java:693)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1039)
        at org.apache.solr.core.SolrCore.reload(SolrCore.java:717)
        at org.apache.solr.core.CoreContainer.reload(CoreContainer.java:1777)
        at 
org.apache.solr.handler.IndexFetcher.lambda$reloadCore$0(IndexFetcher.java:936)
        at java.base/java.lang.Thread.run(Thread.java:834)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MockDirectoryWrapper
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:361)
        at 
org.apache.solr.core.SolrCore.initSnapshotMetaDataManager(SolrCore.java:555)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1004)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:930)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1509)
        at 
org.apache.solr.core.CoreContainer.lambda$load$10(CoreContainer.java:900)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedCallable.call(InstrumentedExecutorService.java:202)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:226)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base/java.lang.Thread.run(Thread.java:834)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.solr.core.SolrCore
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1092)
        at org.apache.solr.core.SolrCore.reload(SolrCore.java:717)
        at org.apache.solr.core.CoreContainer.reload(CoreContainer.java:1777)
        at 
org.apache.solr.handler.IndexFetcher.lambda$reloadCore$0(IndexFetcher.java:936)
        at java.base/java.lang.Thread.run(Thread.java:834)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MockDirectoryWrapper
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:361)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:525)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:361)
        at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:454)
        at 
org.apache.solr.handler.ReplicationHandler.lambda$setupPolling$13(ReplicationHandler.java:1215)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
        at 
java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305)
        at 
java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base/java.lang.Thread.run(Thread.java:834)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MockDirectoryWrapper
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:361)
        at org.apache.solr.core.SolrCore.getNewIndexDir(SolrCore.java:404)
        at org.apache.solr.core.SolrCore.initIndex(SolrCore.java:790)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1008)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:930)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1509)
        at 
org.apache.solr.core.CoreContainer.lambda$load$10(CoreContainer.java:900)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedCallable.call(InstrumentedExecutorService.java:202)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:226)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base/java.lang.Thread.run(Thread.java:834)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MockDirectoryWrapper
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:361)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:525)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:361)
        at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:454)
        at 
org.apache.solr.handler.ReplicationHandler.lambda$setupPolling$13(ReplicationHandler.java:1215)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
        at 
java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305)
        at 
java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base/java.lang.Thread.run(Thread.java:834)

 expected null, but was:<ObjectTracker found 6 object(s) that were not 
released!!! [InternalHttpClient, MockDirectoryWrapper, SolrCore, 
MockDirectoryWrapper, MockDirectoryWrapper, MockDirectoryWrapper]
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.http.impl.client.InternalHttpClient
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:338)
        at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:347)
        at 
org.apache.solr.handler.IndexFetcher.createHttpClient(IndexFetcher.java:227)
        at org.apache.solr.handler.IndexFetcher.<init>(IndexFetcher.java:265)
        at 
org.apache.solr.handler.ReplicationHandler.inform(ReplicationHandler.java:1248)
        at 
org.apache.solr.core.SolrResourceLoader.inform(SolrResourceLoader.java:693)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1039)
        at org.apache.solr.core.SolrCore.reload(SolrCore.java:717)
        at org.apache.solr.core.CoreContainer.reload(CoreContainer.java:1777)
        at 
org.apache.solr.handler.IndexFetcher.lambda$reloadCore$0(IndexFetcher.java:936)
        at java.base/java.lang.Thread.run(Thread.java:834)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MockDirectoryWrapper
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:361)
        at 
org.apache.solr.core.SolrCore.initSnapshotMetaDataManager(SolrCore.java:555)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1004)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:930)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1509)
        at 
org.apache.solr.core.CoreContainer.lambda$load$10(CoreContainer.java:900)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedCallable.call(InstrumentedExecutorService.java:202)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:226)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base/java.lang.Thread.run(Thread.java:834)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.solr.core.SolrCore
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1092)
        at org.apache.solr.core.SolrCore.reload(SolrCore.java:717)
        at org.apache.solr.core.CoreContainer.reload(CoreContainer.java:1777)
        at 
org.apache.solr.handler.IndexFetcher.lambda$reloadCore$0(IndexFetcher.java:936)
        at java.base/java.lang.Thread.run(Thread.java:834)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MockDirectoryWrapper
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:361)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:525)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:361)
        at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:454)
        at 
org.apache.solr.handler.ReplicationHandler.lambda$setupPolling$13(ReplicationHandler.java:1215)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
        at 
java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305)
        at 
java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base/java.lang.Thread.run(Thread.java:834)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MockDirectoryWrapper
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:361)
        at org.apache.solr.core.SolrCore.getNewIndexDir(SolrCore.java:404)
        at org.apache.solr.core.SolrCore.initIndex(SolrCore.java:790)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1008)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:930)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1509)
        at 
org.apache.solr.core.CoreContainer.lambda$load$10(CoreContainer.java:900)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedCallable.call(InstrumentedExecutorService.java:202)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:226)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base/java.lang.Thread.run(Thread.java:834)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MockDirectoryWrapper
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:361)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:525)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:361)
        at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:454)
        at 
org.apache.solr.handler.ReplicationHandler.lambda$setupPolling$13(ReplicationHandler.java:1215)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
        at 
java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305)
        at 
java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base/java.lang.Thread.run(Thread.java:834)

>

Stack Trace:
java.lang.AssertionError: ObjectTracker found 6 object(s) that were not 
released!!! [InternalHttpClient, MockDirectoryWrapper, SolrCore, 
MockDirectoryWrapper, MockDirectoryWrapper, MockDirectoryWrapper]
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.http.impl.client.InternalHttpClient
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:338)
        at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:347)
        at 
org.apache.solr.handler.IndexFetcher.createHttpClient(IndexFetcher.java:227)
        at org.apache.solr.handler.IndexFetcher.<init>(IndexFetcher.java:265)
        at 
org.apache.solr.handler.ReplicationHandler.inform(ReplicationHandler.java:1248)
        at 
org.apache.solr.core.SolrResourceLoader.inform(SolrResourceLoader.java:693)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1039)
        at org.apache.solr.core.SolrCore.reload(SolrCore.java:717)
        at org.apache.solr.core.CoreContainer.reload(CoreContainer.java:1777)
        at 
org.apache.solr.handler.IndexFetcher.lambda$reloadCore$0(IndexFetcher.java:936)
        at java.base/java.lang.Thread.run(Thread.java:834)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MockDirectoryWrapper
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:361)
        at 
org.apache.solr.core.SolrCore.initSnapshotMetaDataManager(SolrCore.java:555)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1004)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:930)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1509)
        at 
org.apache.solr.core.CoreContainer.lambda$load$10(CoreContainer.java:900)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedCallable.call(InstrumentedExecutorService.java:202)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:226)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base/java.lang.Thread.run(Thread.java:834)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.solr.core.SolrCore
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1092)
        at org.apache.solr.core.SolrCore.reload(SolrCore.java:717)
        at org.apache.solr.core.CoreContainer.reload(CoreContainer.java:1777)
        at 
org.apache.solr.handler.IndexFetcher.lambda$reloadCore$0(IndexFetcher.java:936)
        at java.base/java.lang.Thread.run(Thread.java:834)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MockDirectoryWrapper
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:361)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:525)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:361)
        at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:454)
        at 
org.apache.solr.handler.ReplicationHandler.lambda$setupPolling$13(ReplicationHandler.java:1215)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
        at 
java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305)
        at 
java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base/java.lang.Thread.run(Thread.java:834)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MockDirectoryWrapper
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:361)
        at org.apache.solr.core.SolrCore.getNewIndexDir(SolrCore.java:404)
        at org.apache.solr.core.SolrCore.initIndex(SolrCore.java:790)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1008)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:930)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1509)
        at 
org.apache.solr.core.CoreContainer.lambda$load$10(CoreContainer.java:900)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedCallable.call(InstrumentedExecutorService.java:202)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:226)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base/java.lang.Thread.run(Thread.java:834)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MockDirectoryWrapper
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:361)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:525)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:361)
        at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:454)
        at 
org.apache.solr.handler.ReplicationHandler.lambda$setupPolling$13(ReplicationHandler.java:1215)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
        at 
java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305)
        at 
java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base/java.lang.Thread.run(Thread.java:834)

 expected null, but was:<ObjectTracker found 6 object(s) that were not 
released!!! [InternalHttpClient, MockDirectoryWrapper, SolrCore, 
MockDirectoryWrapper, MockDirectoryWrapper, MockDirectoryWrapper]
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.http.impl.client.InternalHttpClient
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:338)
        at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:347)
        at 
org.apache.solr.handler.IndexFetcher.createHttpClient(IndexFetcher.java:227)
        at org.apache.solr.handler.IndexFetcher.<init>(IndexFetcher.java:265)
        at 
org.apache.solr.handler.ReplicationHandler.inform(ReplicationHandler.java:1248)
        at 
org.apache.solr.core.SolrResourceLoader.inform(SolrResourceLoader.java:693)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1039)
        at org.apache.solr.core.SolrCore.reload(SolrCore.java:717)
        at org.apache.solr.core.CoreContainer.reload(CoreContainer.java:1777)
        at 
org.apache.solr.handler.IndexFetcher.lambda$reloadCore$0(IndexFetcher.java:936)
        at java.base/java.lang.Thread.run(Thread.java:834)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MockDirectoryWrapper
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:361)
        at 
org.apache.solr.core.SolrCore.initSnapshotMetaDataManager(SolrCore.java:555)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1004)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:930)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1509)
        at 
org.apache.solr.core.CoreContainer.lambda$load$10(CoreContainer.java:900)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedCallable.call(InstrumentedExecutorService.java:202)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:226)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base/java.lang.Thread.run(Thread.java:834)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.solr.core.SolrCore
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1092)
        at org.apache.solr.core.SolrCore.reload(SolrCore.java:717)
        at org.apache.solr.core.CoreContainer.reload(CoreContainer.java:1777)
        at 
org.apache.solr.handler.IndexFetcher.lambda$reloadCore$0(IndexFetcher.java:936)
        at java.base/java.lang.Thread.run(Thread.java:834)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MockDirectoryWrapper
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:361)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:525)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:361)
        at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:454)
        at 
org.apache.solr.handler.ReplicationHandler.lambda$setupPolling$13(ReplicationHandler.java:1215)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
        at 
java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305)
        at 
java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base/java.lang.Thread.run(Thread.java:834)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MockDirectoryWrapper
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:361)
        at org.apache.solr.core.SolrCore.getNewIndexDir(SolrCore.java:404)
        at org.apache.solr.core.SolrCore.initIndex(SolrCore.java:790)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1008)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:930)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1509)
        at 
org.apache.solr.core.CoreContainer.lambda$load$10(CoreContainer.java:900)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedCallable.call(InstrumentedExecutorService.java:202)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:226)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base/java.lang.Thread.run(Thread.java:834)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MockDirectoryWrapper
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:361)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:525)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:361)
        at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:454)
        at 
org.apache.solr.handler.ReplicationHandler.lambda$setupPolling$13(ReplicationHandler.java:1215)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
        at 
java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305)
        at 
java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base/java.lang.Thread.run(Thread.java:834)

>
        at __randomizedtesting.SeedInfo.seed([6514E0520EB9961C]:0)
        at org.junit.Assert.fail(Assert.java:89)
        at org.junit.Assert.failNotNull(Assert.java:756)
        at org.junit.Assert.assertNull(Assert.java:738)
        at 
org.apache.solr.SolrTestCaseJ4.teardownTestCases(SolrTestCaseJ4.java:366)
        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:566)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1754)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:905)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
        at org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:38)
        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 
org.apache.lucene.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:53)
        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:44)
        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:60)
        at 
org.apache.lucene.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:47)
        at org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:370)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl.lambda$forkTimeoutingTask$0(ThreadLeakControl.java:826)
        at java.base/java.lang.Thread.run(Thread.java:834)

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