Build: https://jenkins.thetaphi.de/job/Lucene-Solr-8.11-Linux/922/
Java: 64bit/hotspot/jdk-19 -XX:+UseCompressedOops -XX:+UseSerialGC

1 tests failed.
FAILED:  
junit.framework.TestSuite.org.apache.solr.cloud.api.collections.TestHdfsCloudBackupRestore

Error Message:
ObjectTracker found 7 object(s) that were not released!!! [InternalHttpClient, 
MMapDirectory, MMapDirectory, SolrCore, MMapDirectory, InternalHttpClient, 
MMapDirectory] 
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.http.impl.client.InternalHttpClient  at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
  at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:341)
  at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:350)
  at 
org.apache.solr.handler.IndexFetcher.createHttpClient(IndexFetcher.java:233)  
at org.apache.solr.handler.IndexFetcher.<init>(IndexFetcher.java:275)  at 
org.apache.solr.handler.ReplicationHandler.inform(ReplicationHandler.java:1289) 
 at 
org.apache.solr.cloud.ReplicateFromLeader.startReplication(ReplicateFromLeader.java:134)
  at 
org.apache.solr.cloud.ZkController.startReplicationFromLeader(ZkController.java:1404)
  at 
org.apache.solr.cloud.RecoveryStrategy.doReplicateOnlyRecovery(RecoveryStrategy.java:414)
  at 
org.apache.solr.cloud.RecoveryStrategy.doRecovery(RecoveryStrategy.java:341)  
at org.apache.solr.cloud.RecoveryStrategy.run(RecoveryStrategy.java:318)  at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
  at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:577)
  at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317)  at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:218)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
  at java.base/java.lang.Thread.run(Thread.java:1589)  
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MMapDirectory  at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
  at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:362)
  at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:553)  
at org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:384) 
 at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:458) 
 at 
org.apache.solr.handler.ReplicationHandler.lambda$setupPolling$13(ReplicationHandler.java:1255)
  at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:577)
  at java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:358) 
 at 
java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
  at java.base/java.lang.Thread.run(Thread.java:1589)  
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MMapDirectory  at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
  at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:362)
  at 
org.apache.solr.core.SolrCore.initSnapshotMetaDataManager(SolrCore.java:553)  
at org.apache.solr.core.SolrCore.<init>(SolrCore.java:995)  at 
org.apache.solr.core.SolrCore.<init>(SolrCore.java:921)  at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1462)
  at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1343)  at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$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.lambda$handleRequestBody$0(CoreAdminHandler.java:189)
  at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
  at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:218)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
  at java.base/java.lang.Thread.run(Thread.java:1589)  
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.solr.core.SolrCore  at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
  at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1092)  at 
org.apache.solr.core.SolrCore.<init>(SolrCore.java:921)  at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1462)
  at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1343)  at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$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.lambda$handleRequestBody$0(CoreAdminHandler.java:189)
  at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
  at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:218)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
  at java.base/java.lang.Thread.run(Thread.java:1589)  
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MMapDirectory  at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
  at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:362)
  at org.apache.solr.core.SolrCore.getNewIndexDir(SolrCore.java:402)  at 
org.apache.solr.core.SolrCore.initIndex(SolrCore.java:781)  at 
org.apache.solr.core.SolrCore.<init>(SolrCore.java:1003)  at 
org.apache.solr.core.SolrCore.<init>(SolrCore.java:921)  at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1462)
  at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1343)  at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$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.lambda$handleRequestBody$0(CoreAdminHandler.java:189)
  at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
  at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:218)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
  at java.base/java.lang.Thread.run(Thread.java:1589)  
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.http.impl.client.InternalHttpClient  at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
  at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:341)
  at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:350)
  at 
org.apache.solr.handler.IndexFetcher.createHttpClient(IndexFetcher.java:233)  
at org.apache.solr.handler.IndexFetcher.<init>(IndexFetcher.java:275)  at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:454) 
 at org.apache.solr.cloud.RecoveryStrategy.replicate(RecoveryStrategy.java:252) 
 at 
org.apache.solr.cloud.RecoveryStrategy.doReplicateOnlyRecovery(RecoveryStrategy.java:394)
  at 
org.apache.solr.cloud.RecoveryStrategy.doRecovery(RecoveryStrategy.java:341)  
at org.apache.solr.cloud.RecoveryStrategy.run(RecoveryStrategy.java:318)  at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
  at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:577)
  at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317)  at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:218)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
  at java.base/java.lang.Thread.run(Thread.java:1589)  
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MMapDirectory  at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
  at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:362)
  at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:553)  
at org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:384) 
 at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:458) 
 at org.apache.solr.cloud.RecoveryStrategy.replicate(RecoveryStrategy.java:252) 
 at 
org.apache.solr.cloud.RecoveryStrategy.doReplicateOnlyRecovery(RecoveryStrategy.java:394)
  at 
org.apache.solr.cloud.RecoveryStrategy.doRecovery(RecoveryStrategy.java:341)  
at org.apache.solr.cloud.RecoveryStrategy.run(RecoveryStrategy.java:318)  at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
  at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:577)
  at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317)  at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:218)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
  at java.base/java.lang.Thread.run(Thread.java:1589)   expected null, but 
was:<ObjectTracker found 7 object(s) that were not released!!! 
[InternalHttpClient, MMapDirectory, MMapDirectory, SolrCore, MMapDirectory, 
InternalHttpClient, MMapDirectory] 
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.http.impl.client.InternalHttpClient  at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
  at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:341)
  at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:350)
  at 
org.apache.solr.handler.IndexFetcher.createHttpClient(IndexFetcher.java:233)  
at org.apache.solr.handler.IndexFetcher.<init>(IndexFetcher.java:275)  at 
org.apache.solr.handler.ReplicationHandler.inform(ReplicationHandler.java:1289) 
 at 
org.apache.solr.cloud.ReplicateFromLeader.startReplication(ReplicateFromLeader.java:134)
  at 
org.apache.solr.cloud.ZkController.startReplicationFromLeader(ZkController.java:1404)
  at 
org.apache.solr.cloud.RecoveryStrategy.doReplicateOnlyRecovery(RecoveryStrategy.java:414)
  at 
org.apache.solr.cloud.RecoveryStrategy.doRecovery(RecoveryStrategy.java:341)  
at org.apache.solr.cloud.RecoveryStrategy.run(RecoveryStrategy.java:318)  at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
  at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:577)
  at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317)  at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:218)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
  at java.base/java.lang.Thread.run(Thread.java:1589)  
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MMapDirectory  at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
  at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:362)
  at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:553)  
at org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:384) 
 at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:458) 
 at 
org.apache.solr.handler.ReplicationHandler.lambda$setupPolling$13(ReplicationHandler.java:1255)
  at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:577)
  at java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:358) 
 at 
java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
  at java.base/java.lang.Thread.run(Thread.java:1589)  
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MMapDirectory  at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
  at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:362)
  at 
org.apache.solr.core.SolrCore.initSnapshotMetaDataManager(SolrCore.java:553)  
at org.apache.solr.core.SolrCore.<init>(SolrCore.java:995)  at 
org.apache.solr.core.SolrCore.<init>(SolrCore.java:921)  at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1462)
  at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1343)  at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$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.lambda$handleRequestBody$0(CoreAdminHandler.java:189)
  at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
  at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:218)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
  at java.base/java.lang.Thread.run(Thread.java:1589)  
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.solr.core.SolrCore  at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
  at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1092)  at 
org.apache.solr.core.SolrCore.<init>(SolrCore.java:921)  at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1462)
  at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1343)  at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$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.lambda$handleRequestBody$0(CoreAdminHandler.java:189)
  at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
  at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:218)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
  at java.base/java.lang.Thread.run(Thread.java:1589)  
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MMapDirectory  at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
  at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:362)
  at org.apache.solr.core.SolrCore.getNewIndexDir(SolrCore.java:402)  at 
org.apache.solr.core.SolrCore.initIndex(SolrCore.java:781)  at 
org.apache.solr.core.SolrCore.<init>(SolrCore.java:1003)  at 
org.apache.solr.core.SolrCore.<init>(SolrCore.java:921)  at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1462)
  at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1343)  at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$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.lambda$handleRequestBody$0(CoreAdminHandler.java:189)
  at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
  at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:218)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
  at java.base/java.lang.Thread.run(Thread.java:1589)  
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.http.impl.client.InternalHttpClient  at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
  at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:341)
  at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:350)
  at 
org.apache.solr.handler.IndexFetcher.createHttpClient(IndexFetcher.java:233)  
at org.apache.solr.handler.IndexFetcher.<init>(IndexFetcher.java:275)  at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:454) 
 at org.apache.solr.cloud.RecoveryStrategy.replicate(RecoveryStrategy.java:252) 
 at 
org.apache.solr.cloud.RecoveryStrategy.doReplicateOnlyRecovery(RecoveryStrategy.java:394)
  at 
org.apache.solr.cloud.RecoveryStrategy.doRecovery(RecoveryStrategy.java:341)  
at org.apache.solr.cloud.RecoveryStrategy.run(RecoveryStrategy.java:318)  at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
  at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:577)
  at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317)  at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:218)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
  at java.base/java.lang.Thread.run(Thread.java:1589)  
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MMapDirectory  at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
  at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:362)
  at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:553)  
at org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:384) 
 at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:458) 
 at org.apache.solr.cloud.RecoveryStrategy.replicate(RecoveryStrategy.java:252) 
 at 
org.apache.solr.cloud.RecoveryStrategy.doReplicateOnlyRecovery(RecoveryStrategy.java:394)
  at 
org.apache.solr.cloud.RecoveryStrategy.doRecovery(RecoveryStrategy.java:341)  
at org.apache.solr.cloud.RecoveryStrategy.run(RecoveryStrategy.java:318)  at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
  at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:577)
  at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317)  at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:218)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
  at java.base/java.lang.Thread.run(Thread.java:1589)  >

Stack Trace:
java.lang.AssertionError: ObjectTracker found 7 object(s) that were not 
released!!! [InternalHttpClient, MMapDirectory, MMapDirectory, SolrCore, 
MMapDirectory, InternalHttpClient, MMapDirectory]
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.http.impl.client.InternalHttpClient
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:341)
        at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:350)
        at 
org.apache.solr.handler.IndexFetcher.createHttpClient(IndexFetcher.java:233)
        at org.apache.solr.handler.IndexFetcher.<init>(IndexFetcher.java:275)
        at 
org.apache.solr.handler.ReplicationHandler.inform(ReplicationHandler.java:1289)
        at 
org.apache.solr.cloud.ReplicateFromLeader.startReplication(ReplicateFromLeader.java:134)
        at 
org.apache.solr.cloud.ZkController.startReplicationFromLeader(ZkController.java:1404)
        at 
org.apache.solr.cloud.RecoveryStrategy.doReplicateOnlyRecovery(RecoveryStrategy.java:414)
        at 
org.apache.solr.cloud.RecoveryStrategy.doRecovery(RecoveryStrategy.java:341)
        at org.apache.solr.cloud.RecoveryStrategy.run(RecoveryStrategy.java:318)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:577)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:218)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
        at java.base/java.lang.Thread.run(Thread.java:1589)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MMapDirectory
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:362)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:553)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:384)
        at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:458)
        at 
org.apache.solr.handler.ReplicationHandler.lambda$setupPolling$13(ReplicationHandler.java:1255)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:577)
        at 
java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:358)
        at 
java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
        at java.base/java.lang.Thread.run(Thread.java:1589)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MMapDirectory
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:362)
        at 
org.apache.solr.core.SolrCore.initSnapshotMetaDataManager(SolrCore.java:553)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:995)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:921)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1462)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1343)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$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.lambda$handleRequestBody$0(CoreAdminHandler.java:189)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:218)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
        at java.base/java.lang.Thread.run(Thread.java:1589)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.solr.core.SolrCore
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1092)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:921)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1462)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1343)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$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.lambda$handleRequestBody$0(CoreAdminHandler.java:189)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:218)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
        at java.base/java.lang.Thread.run(Thread.java:1589)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MMapDirectory
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:362)
        at org.apache.solr.core.SolrCore.getNewIndexDir(SolrCore.java:402)
        at org.apache.solr.core.SolrCore.initIndex(SolrCore.java:781)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1003)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:921)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1462)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1343)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$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.lambda$handleRequestBody$0(CoreAdminHandler.java:189)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:218)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
        at java.base/java.lang.Thread.run(Thread.java:1589)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.http.impl.client.InternalHttpClient
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:341)
        at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:350)
        at 
org.apache.solr.handler.IndexFetcher.createHttpClient(IndexFetcher.java:233)
        at org.apache.solr.handler.IndexFetcher.<init>(IndexFetcher.java:275)
        at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:454)
        at 
org.apache.solr.cloud.RecoveryStrategy.replicate(RecoveryStrategy.java:252)
        at 
org.apache.solr.cloud.RecoveryStrategy.doReplicateOnlyRecovery(RecoveryStrategy.java:394)
        at 
org.apache.solr.cloud.RecoveryStrategy.doRecovery(RecoveryStrategy.java:341)
        at org.apache.solr.cloud.RecoveryStrategy.run(RecoveryStrategy.java:318)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:577)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:218)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
        at java.base/java.lang.Thread.run(Thread.java:1589)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MMapDirectory
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:362)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:553)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:384)
        at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:458)
        at 
org.apache.solr.cloud.RecoveryStrategy.replicate(RecoveryStrategy.java:252)
        at 
org.apache.solr.cloud.RecoveryStrategy.doReplicateOnlyRecovery(RecoveryStrategy.java:394)
        at 
org.apache.solr.cloud.RecoveryStrategy.doRecovery(RecoveryStrategy.java:341)
        at org.apache.solr.cloud.RecoveryStrategy.run(RecoveryStrategy.java:318)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:577)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:218)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
        at java.base/java.lang.Thread.run(Thread.java:1589)

 expected null, but was:<ObjectTracker found 7 object(s) that were not 
released!!! [InternalHttpClient, MMapDirectory, MMapDirectory, SolrCore, 
MMapDirectory, InternalHttpClient, MMapDirectory]
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.http.impl.client.InternalHttpClient
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:341)
        at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:350)
        at 
org.apache.solr.handler.IndexFetcher.createHttpClient(IndexFetcher.java:233)
        at org.apache.solr.handler.IndexFetcher.<init>(IndexFetcher.java:275)
        at 
org.apache.solr.handler.ReplicationHandler.inform(ReplicationHandler.java:1289)
        at 
org.apache.solr.cloud.ReplicateFromLeader.startReplication(ReplicateFromLeader.java:134)
        at 
org.apache.solr.cloud.ZkController.startReplicationFromLeader(ZkController.java:1404)
        at 
org.apache.solr.cloud.RecoveryStrategy.doReplicateOnlyRecovery(RecoveryStrategy.java:414)
        at 
org.apache.solr.cloud.RecoveryStrategy.doRecovery(RecoveryStrategy.java:341)
        at org.apache.solr.cloud.RecoveryStrategy.run(RecoveryStrategy.java:318)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:577)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:218)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
        at java.base/java.lang.Thread.run(Thread.java:1589)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MMapDirectory
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:362)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:553)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:384)
        at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:458)
        at 
org.apache.solr.handler.ReplicationHandler.lambda$setupPolling$13(ReplicationHandler.java:1255)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:577)
        at 
java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:358)
        at 
java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
        at java.base/java.lang.Thread.run(Thread.java:1589)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MMapDirectory
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:362)
        at 
org.apache.solr.core.SolrCore.initSnapshotMetaDataManager(SolrCore.java:553)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:995)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:921)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1462)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1343)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$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.lambda$handleRequestBody$0(CoreAdminHandler.java:189)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:218)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
        at java.base/java.lang.Thread.run(Thread.java:1589)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.solr.core.SolrCore
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1092)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:921)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1462)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1343)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$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.lambda$handleRequestBody$0(CoreAdminHandler.java:189)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:218)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
        at java.base/java.lang.Thread.run(Thread.java:1589)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MMapDirectory
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:362)
        at org.apache.solr.core.SolrCore.getNewIndexDir(SolrCore.java:402)
        at org.apache.solr.core.SolrCore.initIndex(SolrCore.java:781)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1003)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:921)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1462)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1343)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$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.lambda$handleRequestBody$0(CoreAdminHandler.java:189)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:218)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
        at java.base/java.lang.Thread.run(Thread.java:1589)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.http.impl.client.InternalHttpClient
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:341)
        at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:350)
        at 
org.apache.solr.handler.IndexFetcher.createHttpClient(IndexFetcher.java:233)
        at org.apache.solr.handler.IndexFetcher.<init>(IndexFetcher.java:275)
        at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:454)
        at 
org.apache.solr.cloud.RecoveryStrategy.replicate(RecoveryStrategy.java:252)
        at 
org.apache.solr.cloud.RecoveryStrategy.doReplicateOnlyRecovery(RecoveryStrategy.java:394)
        at 
org.apache.solr.cloud.RecoveryStrategy.doRecovery(RecoveryStrategy.java:341)
        at org.apache.solr.cloud.RecoveryStrategy.run(RecoveryStrategy.java:318)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:577)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:218)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
        at java.base/java.lang.Thread.run(Thread.java:1589)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MMapDirectory
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:362)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:553)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:384)
        at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:458)
        at 
org.apache.solr.cloud.RecoveryStrategy.replicate(RecoveryStrategy.java:252)
        at 
org.apache.solr.cloud.RecoveryStrategy.doReplicateOnlyRecovery(RecoveryStrategy.java:394)
        at 
org.apache.solr.cloud.RecoveryStrategy.doRecovery(RecoveryStrategy.java:341)
        at org.apache.solr.cloud.RecoveryStrategy.run(RecoveryStrategy.java:318)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:577)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:218)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
        at java.base/java.lang.Thread.run(Thread.java:1589)

>
        at __randomizedtesting.SeedInfo.seed([1931B6FCD6464C87]: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:345)
        at 
java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
        at java.base/java.lang.reflect.Method.invoke(Method.java:578)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1758)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:909)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:80)
        at org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:41)
        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:53)
        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
        at 
org.apache.lucene.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:54)
        at org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:390)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl.lambda$forkTimeoutingTask$0(ThreadLeakControl.java:850)
        at java.base/java.lang.Thread.run(Thread.java:1589)
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