Build: https://jenkins.thetaphi.de/job/Solr-main-Linux/24013/
Java: 64bit/hotspot/jdk-23.0.2 -XX:+UseCompressedOops -XX:+UseParallelGC

6 tests failed.
FAILED:  
org.apache.solr.cloud.api.collections.CollectionsAPIDistributedZkTest.addReplicaTest

Error Message:
org.apache.solr.client.solrj.SolrClient$RemoteSolrException: Error from server 
at http://127.0.0.1:46085/solr: Underlying core creation failed while creating 
collection: addReplicaColl

Stack Trace:
org.apache.solr.client.solrj.SolrClient$RemoteSolrException: Error from server 
at http://127.0.0.1:46085/solr: Underlying core creation failed while creating 
collection: addReplicaColl
        at 
__randomizedtesting.SeedInfo.seed([8D7A13F16113D0B0:1EDA44D7EF1B9B61]:0)
        at 
app//org.apache.solr.client.solrj.impl.HttpSolrClient.executeMethod(HttpSolrClient.java:710)
        at 
app//org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:250)
        at 
app//org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:229)
        at 
app//org.apache.solr.client.solrj.impl.LBSolrClient.doRequest(LBSolrClient.java:516)
        at 
app//org.apache.solr.client.solrj.impl.LBSolrClient.doRequest(LBSolrClient.java:498)
        at 
app//org.apache.solr.client.solrj.impl.LBSolrClient.doRequest(LBSolrClient.java:525)
        at 
app//org.apache.solr.client.solrj.impl.LBSolrClient.request(LBSolrClient.java:467)
        at 
app//org.apache.solr.client.solrj.impl.CloudSolrClient.sendRequest(CloudSolrClient.java:1149)
        at 
app//org.apache.solr.client.solrj.impl.CloudSolrClient.requestWithRetryOnStaleState(CloudSolrClient.java:846)
        at 
app//org.apache.solr.client.solrj.impl.CloudSolrClient.request(CloudSolrClient.java:778)
        at 
app//org.apache.solr.client.solrj.SolrRequest.process(SolrRequest.java:260)
        at 
app//org.apache.solr.client.solrj.SolrRequest.process(SolrRequest.java:276)
        at 
app//org.apache.solr.cloud.api.collections.AbstractCollectionsAPIDistributedZkTestBase.addReplicaTest(AbstractCollectionsAPIDistributedZkTestBase.java:634)
        at 
java.base@23.0.2/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
        at java.base@23.0.2/java.lang.reflect.Method.invoke(Method.java:580)
        at 
app//com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1758)
        at 
app//com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:946)
        at 
app//com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:982)
        at 
app//com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:996)
        at 
app//com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:80)
        at app//org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at 
app//org.apache.lucene.tests.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:48)
        at 
app//org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
        at 
app//org.apache.lucene.tests.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:45)
        at 
app//org.apache.lucene.tests.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:60)
        at 
app//org.apache.lucene.tests.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:44)
        at app//org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at 
app//com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
app//com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:390)
        at 
app//com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:843)
        at 
app//com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:490)
        at 
app//com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:955)
        at 
app//com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:840)
        at 
app//com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:891)
        at 
app//com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:902)
        at 
app//com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
app//com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
app//org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
        at 
app//com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:80)
        at app//org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at 
app//org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
        at 
app//com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
app//org.apache.lucene.tests.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:38)
        at 
app//com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
        at 
app//com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
        at 
app//com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
app//com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
app//org.apache.lucene.tests.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:53)
        at 
app//org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
        at 
app//org.apache.lucene.tests.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:44)
        at 
app//org.apache.lucene.tests.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:60)
        at 
app//org.apache.lucene.tests.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:47)
        at app//org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at 
app//com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
app//com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:390)
        at 
app//com.carrotsearch.randomizedtesting.ThreadLeakControl.lambda$forkTimeoutingTask$0(ThreadLeakControl.java:850)
        at java.base@23.0.2/java.lang.Thread.run(Thread.java:1575)


FAILED:  
org.apache.solr.cloud.api.collections.CollectionsAPIDistributedZkTest.classMethod

Error Message:
java.lang.AssertionError: ObjectTracker found 1 object(s) that were not 
released!!! [ZkCollectionTerms]
org.apache.solr.cloud.ZkCollectionTerms:org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException:
 org.apache.solr.cloud.ZkCollectionTerms
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:54)
        at 
org.apache.solr.cloud.ZkCollectionTerms.<init>(ZkCollectionTerms.java:36)
        at 
org.apache.solr.cloud.ZkController.lambda$getCollectionTerms$21(ZkController.java:1880)
        at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1229)
        at 
org.apache.solr.cloud.ZkController.getCollectionTerms(ZkController.java:1879)
        at org.apache.solr.cloud.ZkController.unregister(ZkController.java:1899)
        at org.apache.solr.cloud.ZkController.unregister(ZkController.java:1892)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1630)
        at 
org.apache.solr.handler.admin.api.CreateCore.doCreate(CreateCore.java:105)
        at 
org.apache.solr.handler.admin.api.CreateCore.lambda$createCore$0(CreateCore.java:90)
        at 
org.apache.solr.handler.admin.api.CoreAdminAPIBase.handlePotentiallyAsynchronousTask(CoreAdminAPIBase.java:95)
        at 
org.apache.solr.handler.admin.api.CreateCore.createCore(CreateCore.java:84)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:80)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:284)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:336)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:229)
        at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:238)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:939)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:893)
        at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:552)
        at 
org.apache.solr.servlet.SolrDispatchFilter.dispatch(SolrDispatchFilter.java:233)
        at 
org.apache.solr.servlet.SolrDispatchFilter.lambda$doFilterRetry$0(SolrDispatchFilter.java:194)
        at 
org.apache.solr.servlet.ServletUtils.traceHttpRequestExecution2(ServletUtils.java:225)
        at 
org.apache.solr.servlet.ServletUtils.rateLimitRequest(ServletUtils.java:193)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilterRetry(SolrDispatchFilter.java:188)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:178)
        at javax.servlet.http.HttpFilter.doFilter(HttpFilter.java:97)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.apache.solr.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:180)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:301)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:790)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at org.eclipse.jetty.server.Server.handle(Server.java:563)
        at 
org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
        at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
        at org.eclipse.jetty.server.HttpChannel.run(HttpChannel.java:461)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
        at java.base/java.lang.Thread.run(Thread.java:1575)

 expected null, but was:<ObjectTracker found 1 object(s) that were not 
released!!! [ZkCollectionTerms]
org.apache.solr.cloud.ZkCollectionTerms:org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException:
 org.apache.solr.cloud.ZkCollectionTerms
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:54)
        at 
org.apache.solr.cloud.ZkCollectionTerms.<init>(ZkCollectionTerms.java:36)
        at 
org.apache.solr.cloud.ZkController.lambda$getCollectionTerms$21(ZkController.java:1880)
        at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1229)
        at 
org.apache.solr.cloud.ZkController.getCollectionTerms(ZkController.java:1879)
        at org.apache.solr.cloud.ZkController.unregister(ZkController.java:1899)
        at org.apache.solr.cloud.ZkController.unregister(ZkController.java:1892)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1630)
        at 
org.apache.solr.handler.admin.api.CreateCore.doCreate(CreateCore.java:105)
        at 
org.apache.solr.handler.admin.api.CreateCore.lambda$createCore$0(CreateCore.java:90)
        at 
org.apache.solr.handler.admin.api.CoreAdminAPIBase.handlePotentiallyAsynchronousTask(CoreAdminAPIBase.java:95)
        at 
org.apache.solr.handler.admin.api.CreateCore.createCore(CreateCore.java:84)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:80)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:284)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:336)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:229)
        at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:238)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:939)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:893)
        at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:552)
        at 
org.apache.solr.servlet.SolrDispatchFilter.dispatch(SolrDispatchFilter.java:233)
        at 
org.apache.solr.servlet.SolrDispatchFilter.lambda$doFilterRetry$0(SolrDispatchFilter.java:194)
        at 
org.apache.solr.servlet.ServletUtils.traceHttpRequestExecution2(ServletUtils.java:225)
        at 
org.apache.solr.servlet.ServletUtils.rateLimitRequest(ServletUtils.java:193)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilterRetry(SolrDispatchFilter.java:188)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:178)
        at javax.servlet.http.HttpFilter.doFilter(HttpFilter.java:97)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.apache.solr.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:180)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:301)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:790)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at org.eclipse.jetty.server.Server.handle(Server.java:563)
        at 
org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
        at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
        at org.eclipse.jetty.server.HttpChannel.run(HttpChannel.java:461)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
        at java.base/java.lang.Thread.run(Thread.java:1575)

>

Stack Trace:
java.lang.AssertionError: ObjectTracker found 1 object(s) that were not 
released!!! [ZkCollectionTerms]
org.apache.solr.cloud.ZkCollectionTerms:org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException:
 org.apache.solr.cloud.ZkCollectionTerms
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:54)
        at 
org.apache.solr.cloud.ZkCollectionTerms.<init>(ZkCollectionTerms.java:36)
        at 
org.apache.solr.cloud.ZkController.lambda$getCollectionTerms$21(ZkController.java:1880)
        at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1229)
        at 
org.apache.solr.cloud.ZkController.getCollectionTerms(ZkController.java:1879)
        at org.apache.solr.cloud.ZkController.unregister(ZkController.java:1899)
        at org.apache.solr.cloud.ZkController.unregister(ZkController.java:1892)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1630)
        at 
org.apache.solr.handler.admin.api.CreateCore.doCreate(CreateCore.java:105)
        at 
org.apache.solr.handler.admin.api.CreateCore.lambda$createCore$0(CreateCore.java:90)
        at 
org.apache.solr.handler.admin.api.CoreAdminAPIBase.handlePotentiallyAsynchronousTask(CoreAdminAPIBase.java:95)
        at 
org.apache.solr.handler.admin.api.CreateCore.createCore(CreateCore.java:84)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:80)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:284)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:336)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:229)
        at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:238)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:939)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:893)
        at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:552)
        at 
org.apache.solr.servlet.SolrDispatchFilter.dispatch(SolrDispatchFilter.java:233)
        at 
org.apache.solr.servlet.SolrDispatchFilter.lambda$doFilterRetry$0(SolrDispatchFilter.java:194)
        at 
org.apache.solr.servlet.ServletUtils.traceHttpRequestExecution2(ServletUtils.java:225)
        at 
org.apache.solr.servlet.ServletUtils.rateLimitRequest(ServletUtils.java:193)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilterRetry(SolrDispatchFilter.java:188)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:178)
        at javax.servlet.http.HttpFilter.doFilter(HttpFilter.java:97)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.apache.solr.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:180)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:301)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:790)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at org.eclipse.jetty.server.Server.handle(Server.java:563)
        at 
org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
        at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
        at org.eclipse.jetty.server.HttpChannel.run(HttpChannel.java:461)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
        at java.base/java.lang.Thread.run(Thread.java:1575)

 expected null, but was:<ObjectTracker found 1 object(s) that were not 
released!!! [ZkCollectionTerms]
org.apache.solr.cloud.ZkCollectionTerms:org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException:
 org.apache.solr.cloud.ZkCollectionTerms
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:54)
        at 
org.apache.solr.cloud.ZkCollectionTerms.<init>(ZkCollectionTerms.java:36)
        at 
org.apache.solr.cloud.ZkController.lambda$getCollectionTerms$21(ZkController.java:1880)
        at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1229)
        at 
org.apache.solr.cloud.ZkController.getCollectionTerms(ZkController.java:1879)
        at org.apache.solr.cloud.ZkController.unregister(ZkController.java:1899)
        at org.apache.solr.cloud.ZkController.unregister(ZkController.java:1892)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1630)
        at 
org.apache.solr.handler.admin.api.CreateCore.doCreate(CreateCore.java:105)
        at 
org.apache.solr.handler.admin.api.CreateCore.lambda$createCore$0(CreateCore.java:90)
        at 
org.apache.solr.handler.admin.api.CoreAdminAPIBase.handlePotentiallyAsynchronousTask(CoreAdminAPIBase.java:95)
        at 
org.apache.solr.handler.admin.api.CreateCore.createCore(CreateCore.java:84)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:80)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:284)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:336)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:229)
        at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:238)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:939)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:893)
        at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:552)
        at 
org.apache.solr.servlet.SolrDispatchFilter.dispatch(SolrDispatchFilter.java:233)
        at 
org.apache.solr.servlet.SolrDispatchFilter.lambda$doFilterRetry$0(SolrDispatchFilter.java:194)
        at 
org.apache.solr.servlet.ServletUtils.traceHttpRequestExecution2(ServletUtils.java:225)
        at 
org.apache.solr.servlet.ServletUtils.rateLimitRequest(ServletUtils.java:193)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilterRetry(SolrDispatchFilter.java:188)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:178)
        at javax.servlet.http.HttpFilter.doFilter(HttpFilter.java:97)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.apache.solr.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:180)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:301)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:790)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at org.eclipse.jetty.server.Server.handle(Server.java:563)
        at 
org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
        at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
        at org.eclipse.jetty.server.HttpChannel.run(HttpChannel.java:461)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
        at java.base/java.lang.Thread.run(Thread.java:1575)

>
        at __randomizedtesting.SeedInfo.seed([8D7A13F16113D0B0]: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.SolrTestCase$1.afterIfSuccessful(SolrTestCase.java:103)
        at 
com.carrotsearch.randomizedtesting.rules.TestRuleAdapter$1.afterIfSuccessful(TestRuleAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:37)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:80)
        at org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at 
org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.tests.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.tests.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:53)
        at 
org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
        at 
org.apache.lucene.tests.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:44)
        at 
org.apache.lucene.tests.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:60)
        at 
org.apache.lucene.tests.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:390)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl.lambda$forkTimeoutingTask$0(ThreadLeakControl.java:850)
        at java.base/java.lang.Thread.run(Thread.java:1575)


FAILED:  
org.apache.solr.cloud.api.collections.CollectionsAPIDistributedZkTest.classMethod

Error Message:
java.lang.AssertionError: ObjectTracker found 1 object(s) that were not 
released!!! [ZkCollectionTerms]
org.apache.solr.cloud.ZkCollectionTerms:org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException:
 org.apache.solr.cloud.ZkCollectionTerms
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:54)
        at 
org.apache.solr.cloud.ZkCollectionTerms.<init>(ZkCollectionTerms.java:36)
        at 
org.apache.solr.cloud.ZkController.lambda$getCollectionTerms$21(ZkController.java:1880)
        at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1229)
        at 
org.apache.solr.cloud.ZkController.getCollectionTerms(ZkController.java:1879)
        at org.apache.solr.cloud.ZkController.unregister(ZkController.java:1899)
        at org.apache.solr.cloud.ZkController.unregister(ZkController.java:1892)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1630)
        at 
org.apache.solr.handler.admin.api.CreateCore.doCreate(CreateCore.java:105)
        at 
org.apache.solr.handler.admin.api.CreateCore.lambda$createCore$0(CreateCore.java:90)
        at 
org.apache.solr.handler.admin.api.CoreAdminAPIBase.handlePotentiallyAsynchronousTask(CoreAdminAPIBase.java:95)
        at 
org.apache.solr.handler.admin.api.CreateCore.createCore(CreateCore.java:84)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:80)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:284)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:336)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:229)
        at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:238)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:939)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:893)
        at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:552)
        at 
org.apache.solr.servlet.SolrDispatchFilter.dispatch(SolrDispatchFilter.java:233)
        at 
org.apache.solr.servlet.SolrDispatchFilter.lambda$doFilterRetry$0(SolrDispatchFilter.java:194)
        at 
org.apache.solr.servlet.ServletUtils.traceHttpRequestExecution2(ServletUtils.java:225)
        at 
org.apache.solr.servlet.ServletUtils.rateLimitRequest(ServletUtils.java:193)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilterRetry(SolrDispatchFilter.java:188)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:178)
        at javax.servlet.http.HttpFilter.doFilter(HttpFilter.java:97)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.apache.solr.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:180)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:301)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:790)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at org.eclipse.jetty.server.Server.handle(Server.java:563)
        at 
org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
        at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
        at org.eclipse.jetty.server.HttpChannel.run(HttpChannel.java:461)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
        at java.base/java.lang.Thread.run(Thread.java:1575)

 expected null, but was:<ObjectTracker found 1 object(s) that were not 
released!!! [ZkCollectionTerms]
org.apache.solr.cloud.ZkCollectionTerms:org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException:
 org.apache.solr.cloud.ZkCollectionTerms
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:54)
        at 
org.apache.solr.cloud.ZkCollectionTerms.<init>(ZkCollectionTerms.java:36)
        at 
org.apache.solr.cloud.ZkController.lambda$getCollectionTerms$21(ZkController.java:1880)
        at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1229)
        at 
org.apache.solr.cloud.ZkController.getCollectionTerms(ZkController.java:1879)
        at org.apache.solr.cloud.ZkController.unregister(ZkController.java:1899)
        at org.apache.solr.cloud.ZkController.unregister(ZkController.java:1892)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1630)
        at 
org.apache.solr.handler.admin.api.CreateCore.doCreate(CreateCore.java:105)
        at 
org.apache.solr.handler.admin.api.CreateCore.lambda$createCore$0(CreateCore.java:90)
        at 
org.apache.solr.handler.admin.api.CoreAdminAPIBase.handlePotentiallyAsynchronousTask(CoreAdminAPIBase.java:95)
        at 
org.apache.solr.handler.admin.api.CreateCore.createCore(CreateCore.java:84)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:80)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:284)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:336)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:229)
        at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:238)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:939)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:893)
        at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:552)
        at 
org.apache.solr.servlet.SolrDispatchFilter.dispatch(SolrDispatchFilter.java:233)
        at 
org.apache.solr.servlet.SolrDispatchFilter.lambda$doFilterRetry$0(SolrDispatchFilter.java:194)
        at 
org.apache.solr.servlet.ServletUtils.traceHttpRequestExecution2(ServletUtils.java:225)
        at 
org.apache.solr.servlet.ServletUtils.rateLimitRequest(ServletUtils.java:193)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilterRetry(SolrDispatchFilter.java:188)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:178)
        at javax.servlet.http.HttpFilter.doFilter(HttpFilter.java:97)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.apache.solr.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:180)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:301)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:790)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at org.eclipse.jetty.server.Server.handle(Server.java:563)
        at 
org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
        at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
        at org.eclipse.jetty.server.HttpChannel.run(HttpChannel.java:461)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
        at java.base/java.lang.Thread.run(Thread.java:1575)

>

Stack Trace:
java.lang.AssertionError: ObjectTracker found 1 object(s) that were not 
released!!! [ZkCollectionTerms]
org.apache.solr.cloud.ZkCollectionTerms:org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException:
 org.apache.solr.cloud.ZkCollectionTerms
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:54)
        at 
org.apache.solr.cloud.ZkCollectionTerms.<init>(ZkCollectionTerms.java:36)
        at 
org.apache.solr.cloud.ZkController.lambda$getCollectionTerms$21(ZkController.java:1880)
        at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1229)
        at 
org.apache.solr.cloud.ZkController.getCollectionTerms(ZkController.java:1879)
        at org.apache.solr.cloud.ZkController.unregister(ZkController.java:1899)
        at org.apache.solr.cloud.ZkController.unregister(ZkController.java:1892)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1630)
        at 
org.apache.solr.handler.admin.api.CreateCore.doCreate(CreateCore.java:105)
        at 
org.apache.solr.handler.admin.api.CreateCore.lambda$createCore$0(CreateCore.java:90)
        at 
org.apache.solr.handler.admin.api.CoreAdminAPIBase.handlePotentiallyAsynchronousTask(CoreAdminAPIBase.java:95)
        at 
org.apache.solr.handler.admin.api.CreateCore.createCore(CreateCore.java:84)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:80)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:284)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:336)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:229)
        at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:238)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:939)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:893)
        at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:552)
        at 
org.apache.solr.servlet.SolrDispatchFilter.dispatch(SolrDispatchFilter.java:233)
        at 
org.apache.solr.servlet.SolrDispatchFilter.lambda$doFilterRetry$0(SolrDispatchFilter.java:194)
        at 
org.apache.solr.servlet.ServletUtils.traceHttpRequestExecution2(ServletUtils.java:225)
        at 
org.apache.solr.servlet.ServletUtils.rateLimitRequest(ServletUtils.java:193)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilterRetry(SolrDispatchFilter.java:188)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:178)
        at javax.servlet.http.HttpFilter.doFilter(HttpFilter.java:97)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.apache.solr.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:180)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:301)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:790)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at org.eclipse.jetty.server.Server.handle(Server.java:563)
        at 
org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
        at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
        at org.eclipse.jetty.server.HttpChannel.run(HttpChannel.java:461)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
        at java.base/java.lang.Thread.run(Thread.java:1575)

 expected null, but was:<ObjectTracker found 1 object(s) that were not 
released!!! [ZkCollectionTerms]
org.apache.solr.cloud.ZkCollectionTerms:org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException:
 org.apache.solr.cloud.ZkCollectionTerms
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:54)
        at 
org.apache.solr.cloud.ZkCollectionTerms.<init>(ZkCollectionTerms.java:36)
        at 
org.apache.solr.cloud.ZkController.lambda$getCollectionTerms$21(ZkController.java:1880)
        at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1229)
        at 
org.apache.solr.cloud.ZkController.getCollectionTerms(ZkController.java:1879)
        at org.apache.solr.cloud.ZkController.unregister(ZkController.java:1899)
        at org.apache.solr.cloud.ZkController.unregister(ZkController.java:1892)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1630)
        at 
org.apache.solr.handler.admin.api.CreateCore.doCreate(CreateCore.java:105)
        at 
org.apache.solr.handler.admin.api.CreateCore.lambda$createCore$0(CreateCore.java:90)
        at 
org.apache.solr.handler.admin.api.CoreAdminAPIBase.handlePotentiallyAsynchronousTask(CoreAdminAPIBase.java:95)
        at 
org.apache.solr.handler.admin.api.CreateCore.createCore(CreateCore.java:84)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:80)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:284)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:336)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:229)
        at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:238)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:939)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:893)
        at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:552)
        at 
org.apache.solr.servlet.SolrDispatchFilter.dispatch(SolrDispatchFilter.java:233)
        at 
org.apache.solr.servlet.SolrDispatchFilter.lambda$doFilterRetry$0(SolrDispatchFilter.java:194)
        at 
org.apache.solr.servlet.ServletUtils.traceHttpRequestExecution2(ServletUtils.java:225)
        at 
org.apache.solr.servlet.ServletUtils.rateLimitRequest(ServletUtils.java:193)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilterRetry(SolrDispatchFilter.java:188)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:178)
        at javax.servlet.http.HttpFilter.doFilter(HttpFilter.java:97)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.apache.solr.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:180)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:301)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:790)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at org.eclipse.jetty.server.Server.handle(Server.java:563)
        at 
org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
        at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
        at org.eclipse.jetty.server.HttpChannel.run(HttpChannel.java:461)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
        at java.base/java.lang.Thread.run(Thread.java:1575)

>
        at __randomizedtesting.SeedInfo.seed([8D7A13F16113D0B0]: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.SolrTestCase$1.afterIfSuccessful(SolrTestCase.java:103)
        at 
com.carrotsearch.randomizedtesting.rules.TestRuleAdapter$1.afterIfSuccessful(TestRuleAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:37)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:80)
        at org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at 
org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.tests.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.tests.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:53)
        at 
org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
        at 
org.apache.lucene.tests.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:44)
        at 
org.apache.lucene.tests.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:60)
        at 
org.apache.lucene.tests.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:390)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl.lambda$forkTimeoutingTask$0(ThreadLeakControl.java:850)
        at java.base/java.lang.Thread.run(Thread.java:1575)


FAILED:  
org.apache.solr.cloud.api.collections.CollectionsAPIDistributedZkTest.classMethod

Error Message:
java.lang.AssertionError: ObjectTracker found 1 object(s) that were not 
released!!! [ZkCollectionTerms]
org.apache.solr.cloud.ZkCollectionTerms:org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException:
 org.apache.solr.cloud.ZkCollectionTerms
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:54)
        at 
org.apache.solr.cloud.ZkCollectionTerms.<init>(ZkCollectionTerms.java:36)
        at 
org.apache.solr.cloud.ZkController.lambda$getCollectionTerms$21(ZkController.java:1880)
        at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1229)
        at 
org.apache.solr.cloud.ZkController.getCollectionTerms(ZkController.java:1879)
        at org.apache.solr.cloud.ZkController.unregister(ZkController.java:1899)
        at org.apache.solr.cloud.ZkController.unregister(ZkController.java:1892)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1630)
        at 
org.apache.solr.handler.admin.api.CreateCore.doCreate(CreateCore.java:105)
        at 
org.apache.solr.handler.admin.api.CreateCore.lambda$createCore$0(CreateCore.java:90)
        at 
org.apache.solr.handler.admin.api.CoreAdminAPIBase.handlePotentiallyAsynchronousTask(CoreAdminAPIBase.java:95)
        at 
org.apache.solr.handler.admin.api.CreateCore.createCore(CreateCore.java:84)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:80)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:284)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:336)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:229)
        at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:238)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:939)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:893)
        at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:552)
        at 
org.apache.solr.servlet.SolrDispatchFilter.dispatch(SolrDispatchFilter.java:233)
        at 
org.apache.solr.servlet.SolrDispatchFilter.lambda$doFilterRetry$0(SolrDispatchFilter.java:194)
        at 
org.apache.solr.servlet.ServletUtils.traceHttpRequestExecution2(ServletUtils.java:225)
        at 
org.apache.solr.servlet.ServletUtils.rateLimitRequest(ServletUtils.java:193)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilterRetry(SolrDispatchFilter.java:188)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:178)
        at javax.servlet.http.HttpFilter.doFilter(HttpFilter.java:97)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.apache.solr.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:180)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:301)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:790)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at org.eclipse.jetty.server.Server.handle(Server.java:563)
        at 
org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
        at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
        at org.eclipse.jetty.server.HttpChannel.run(HttpChannel.java:461)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
        at java.base/java.lang.Thread.run(Thread.java:1575)

 expected null, but was:<ObjectTracker found 1 object(s) that were not 
released!!! [ZkCollectionTerms]
org.apache.solr.cloud.ZkCollectionTerms:org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException:
 org.apache.solr.cloud.ZkCollectionTerms
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:54)
        at 
org.apache.solr.cloud.ZkCollectionTerms.<init>(ZkCollectionTerms.java:36)
        at 
org.apache.solr.cloud.ZkController.lambda$getCollectionTerms$21(ZkController.java:1880)
        at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1229)
        at 
org.apache.solr.cloud.ZkController.getCollectionTerms(ZkController.java:1879)
        at org.apache.solr.cloud.ZkController.unregister(ZkController.java:1899)
        at org.apache.solr.cloud.ZkController.unregister(ZkController.java:1892)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1630)
        at 
org.apache.solr.handler.admin.api.CreateCore.doCreate(CreateCore.java:105)
        at 
org.apache.solr.handler.admin.api.CreateCore.lambda$createCore$0(CreateCore.java:90)
        at 
org.apache.solr.handler.admin.api.CoreAdminAPIBase.handlePotentiallyAsynchronousTask(CoreAdminAPIBase.java:95)
        at 
org.apache.solr.handler.admin.api.CreateCore.createCore(CreateCore.java:84)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:80)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:284)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:336)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:229)
        at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:238)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:939)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:893)
        at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:552)
        at 
org.apache.solr.servlet.SolrDispatchFilter.dispatch(SolrDispatchFilter.java:233)
        at 
org.apache.solr.servlet.SolrDispatchFilter.lambda$doFilterRetry$0(SolrDispatchFilter.java:194)
        at 
org.apache.solr.servlet.ServletUtils.traceHttpRequestExecution2(ServletUtils.java:225)
        at 
org.apache.solr.servlet.ServletUtils.rateLimitRequest(ServletUtils.java:193)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilterRetry(SolrDispatchFilter.java:188)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:178)
        at javax.servlet.http.HttpFilter.doFilter(HttpFilter.java:97)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.apache.solr.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:180)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:301)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:790)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at org.eclipse.jetty.server.Server.handle(Server.java:563)
        at 
org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
        at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
        at org.eclipse.jetty.server.HttpChannel.run(HttpChannel.java:461)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
        at java.base/java.lang.Thread.run(Thread.java:1575)

>

Stack Trace:
java.lang.AssertionError: ObjectTracker found 1 object(s) that were not 
released!!! [ZkCollectionTerms]
org.apache.solr.cloud.ZkCollectionTerms:org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException:
 org.apache.solr.cloud.ZkCollectionTerms
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:54)
        at 
org.apache.solr.cloud.ZkCollectionTerms.<init>(ZkCollectionTerms.java:36)
        at 
org.apache.solr.cloud.ZkController.lambda$getCollectionTerms$21(ZkController.java:1880)
        at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1229)
        at 
org.apache.solr.cloud.ZkController.getCollectionTerms(ZkController.java:1879)
        at org.apache.solr.cloud.ZkController.unregister(ZkController.java:1899)
        at org.apache.solr.cloud.ZkController.unregister(ZkController.java:1892)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1630)
        at 
org.apache.solr.handler.admin.api.CreateCore.doCreate(CreateCore.java:105)
        at 
org.apache.solr.handler.admin.api.CreateCore.lambda$createCore$0(CreateCore.java:90)
        at 
org.apache.solr.handler.admin.api.CoreAdminAPIBase.handlePotentiallyAsynchronousTask(CoreAdminAPIBase.java:95)
        at 
org.apache.solr.handler.admin.api.CreateCore.createCore(CreateCore.java:84)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:80)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:284)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:336)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:229)
        at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:238)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:939)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:893)
        at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:552)
        at 
org.apache.solr.servlet.SolrDispatchFilter.dispatch(SolrDispatchFilter.java:233)
        at 
org.apache.solr.servlet.SolrDispatchFilter.lambda$doFilterRetry$0(SolrDispatchFilter.java:194)
        at 
org.apache.solr.servlet.ServletUtils.traceHttpRequestExecution2(ServletUtils.java:225)
        at 
org.apache.solr.servlet.ServletUtils.rateLimitRequest(ServletUtils.java:193)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilterRetry(SolrDispatchFilter.java:188)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:178)
        at javax.servlet.http.HttpFilter.doFilter(HttpFilter.java:97)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.apache.solr.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:180)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:301)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:790)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at org.eclipse.jetty.server.Server.handle(Server.java:563)
        at 
org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
        at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
        at org.eclipse.jetty.server.HttpChannel.run(HttpChannel.java:461)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
        at java.base/java.lang.Thread.run(Thread.java:1575)

 expected null, but was:<ObjectTracker found 1 object(s) that were not 
released!!! [ZkCollectionTerms]
org.apache.solr.cloud.ZkCollectionTerms:org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException:
 org.apache.solr.cloud.ZkCollectionTerms
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:54)
        at 
org.apache.solr.cloud.ZkCollectionTerms.<init>(ZkCollectionTerms.java:36)
        at 
org.apache.solr.cloud.ZkController.lambda$getCollectionTerms$21(ZkController.java:1880)
        at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1229)
        at 
org.apache.solr.cloud.ZkController.getCollectionTerms(ZkController.java:1879)
        at org.apache.solr.cloud.ZkController.unregister(ZkController.java:1899)
        at org.apache.solr.cloud.ZkController.unregister(ZkController.java:1892)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1630)
        at 
org.apache.solr.handler.admin.api.CreateCore.doCreate(CreateCore.java:105)
        at 
org.apache.solr.handler.admin.api.CreateCore.lambda$createCore$0(CreateCore.java:90)
        at 
org.apache.solr.handler.admin.api.CoreAdminAPIBase.handlePotentiallyAsynchronousTask(CoreAdminAPIBase.java:95)
        at 
org.apache.solr.handler.admin.api.CreateCore.createCore(CreateCore.java:84)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:80)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:284)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:336)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:229)
        at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:238)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:939)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:893)
        at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:552)
        at 
org.apache.solr.servlet.SolrDispatchFilter.dispatch(SolrDispatchFilter.java:233)
        at 
org.apache.solr.servlet.SolrDispatchFilter.lambda$doFilterRetry$0(SolrDispatchFilter.java:194)
        at 
org.apache.solr.servlet.ServletUtils.traceHttpRequestExecution2(ServletUtils.java:225)
        at 
org.apache.solr.servlet.ServletUtils.rateLimitRequest(ServletUtils.java:193)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilterRetry(SolrDispatchFilter.java:188)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:178)
        at javax.servlet.http.HttpFilter.doFilter(HttpFilter.java:97)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.apache.solr.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:180)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:301)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:790)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at org.eclipse.jetty.server.Server.handle(Server.java:563)
        at 
org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
        at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
        at org.eclipse.jetty.server.HttpChannel.run(HttpChannel.java:461)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
        at java.base/java.lang.Thread.run(Thread.java:1575)

>
        at __randomizedtesting.SeedInfo.seed([8D7A13F16113D0B0]: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.SolrTestCase$1.afterIfSuccessful(SolrTestCase.java:103)
        at 
com.carrotsearch.randomizedtesting.rules.TestRuleAdapter$1.afterIfSuccessful(TestRuleAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:37)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:80)
        at org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at 
org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.tests.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.tests.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:53)
        at 
org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
        at 
org.apache.lucene.tests.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:44)
        at 
org.apache.lucene.tests.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:60)
        at 
org.apache.lucene.tests.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:390)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl.lambda$forkTimeoutingTask$0(ThreadLeakControl.java:850)
        at java.base/java.lang.Thread.run(Thread.java:1575)


FAILED:  
org.apache.solr.cloud.api.collections.CollectionsAPIDistributedZkTest.deleteCollectionOnlyInZk

Error Message:
org.apache.solr.client.solrj.SolrClient$RemoteSolrException: Error from server 
at http://127.0.0.1:37527/solr: Underlying core creation failed while creating 
collection: onlyinzk

Stack Trace:
org.apache.solr.client.solrj.SolrClient$RemoteSolrException: Error from server 
at http://127.0.0.1:37527/solr: Underlying core creation failed while creating 
collection: onlyinzk
        at 
__randomizedtesting.SeedInfo.seed([8D7A13F16113D0B0:399A4F70971570A1]:0)
        at 
app//org.apache.solr.client.solrj.impl.HttpSolrClient.executeMethod(HttpSolrClient.java:710)
        at 
app//org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:250)
        at 
app//org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:229)
        at 
app//org.apache.solr.client.solrj.impl.LBSolrClient.doRequest(LBSolrClient.java:516)
        at 
app//org.apache.solr.client.solrj.impl.LBSolrClient.doRequest(LBSolrClient.java:498)
        at 
app//org.apache.solr.client.solrj.impl.LBSolrClient.doRequest(LBSolrClient.java:525)
        at 
app//org.apache.solr.client.solrj.impl.LBSolrClient.request(LBSolrClient.java:467)
        at 
app//org.apache.solr.client.solrj.impl.CloudSolrClient.sendRequest(CloudSolrClient.java:1149)
        at 
app//org.apache.solr.client.solrj.impl.CloudSolrClient.requestWithRetryOnStaleState(CloudSolrClient.java:846)
        at 
app//org.apache.solr.client.solrj.impl.CloudSolrClient.request(CloudSolrClient.java:778)
        at 
app//org.apache.solr.client.solrj.SolrRequest.process(SolrRequest.java:260)
        at 
app//org.apache.solr.client.solrj.SolrRequest.process(SolrRequest.java:276)
        at 
app//org.apache.solr.cloud.api.collections.AbstractCollectionsAPIDistributedZkTestBase.deleteCollectionOnlyInZk(AbstractCollectionsAPIDistributedZkTestBase.java:183)
        at 
java.base@23.0.2/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
        at java.base@23.0.2/java.lang.reflect.Method.invoke(Method.java:580)
        at 
app//com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1758)
        at 
app//com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:946)
        at 
app//com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:982)
        at 
app//com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:996)
        at 
app//com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:80)
        at app//org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at 
app//org.apache.lucene.tests.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:48)
        at 
app//org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
        at 
app//org.apache.lucene.tests.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:45)
        at 
app//org.apache.lucene.tests.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:60)
        at 
app//org.apache.lucene.tests.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:44)
        at app//org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at 
app//com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
app//com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:390)
        at 
app//com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:843)
        at 
app//com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:490)
        at 
app//com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:955)
        at 
app//com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:840)
        at 
app//com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:891)
        at 
app//com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:902)
        at 
app//com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
app//com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
app//org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
        at 
app//com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:80)
        at app//org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at 
app//org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
        at 
app//com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
app//org.apache.lucene.tests.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:38)
        at 
app//com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
        at 
app//com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
        at 
app//com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
app//com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
app//org.apache.lucene.tests.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:53)
        at 
app//org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
        at 
app//org.apache.lucene.tests.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:44)
        at 
app//org.apache.lucene.tests.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:60)
        at 
app//org.apache.lucene.tests.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:47)
        at app//org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at 
app//com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
app//com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:390)
        at 
app//com.carrotsearch.randomizedtesting.ThreadLeakControl.lambda$forkTimeoutingTask$0(ThreadLeakControl.java:850)
        at java.base@23.0.2/java.lang.Thread.run(Thread.java:1575)


FAILED:  
org.apache.solr.cloud.api.collections.CollectionsAPIDistributedZkTest.testCoresAreDistributedAcrossNodes

Error Message:
org.apache.solr.client.solrj.SolrClient$RemoteSolrException: Error from server 
at http://127.0.0.1:36545/solr: Underlying core creation failed while creating 
collection: nodes_used_collection

Stack Trace:
org.apache.solr.client.solrj.SolrClient$RemoteSolrException: Error from server 
at http://127.0.0.1:36545/solr: Underlying core creation failed while creating 
collection: nodes_used_collection
        at 
__randomizedtesting.SeedInfo.seed([8D7A13F16113D0B0:E93AC69DDADD58A1]:0)
        at 
app//org.apache.solr.client.solrj.impl.HttpSolrClient.executeMethod(HttpSolrClient.java:710)
        at 
app//org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:250)
        at 
app//org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:229)
        at 
app//org.apache.solr.client.solrj.impl.LBSolrClient.doRequest(LBSolrClient.java:516)
        at 
app//org.apache.solr.client.solrj.impl.LBSolrClient.doRequest(LBSolrClient.java:498)
        at 
app//org.apache.solr.client.solrj.impl.LBSolrClient.doRequest(LBSolrClient.java:525)
        at 
app//org.apache.solr.client.solrj.impl.LBSolrClient.request(LBSolrClient.java:467)
        at 
app//org.apache.solr.client.solrj.impl.CloudSolrClient.sendRequest(CloudSolrClient.java:1149)
        at 
app//org.apache.solr.client.solrj.impl.CloudSolrClient.requestWithRetryOnStaleState(CloudSolrClient.java:846)
        at 
app//org.apache.solr.client.solrj.impl.CloudSolrClient.request(CloudSolrClient.java:778)
        at 
app//org.apache.solr.client.solrj.SolrRequest.process(SolrRequest.java:260)
        at 
app//org.apache.solr.client.solrj.SolrRequest.process(SolrRequest.java:276)
        at 
app//org.apache.solr.cloud.api.collections.AbstractCollectionsAPIDistributedZkTestBase.testCoresAreDistributedAcrossNodes(AbstractCollectionsAPIDistributedZkTestBase.java:318)
        at 
java.base@23.0.2/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
        at java.base@23.0.2/java.lang.reflect.Method.invoke(Method.java:580)
        at 
app//com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1758)
        at 
app//com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:946)
        at 
app//com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:982)
        at 
app//com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:996)
        at 
app//com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:80)
        at app//org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at 
app//org.apache.lucene.tests.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:48)
        at 
app//org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
        at 
app//org.apache.lucene.tests.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:45)
        at 
app//org.apache.lucene.tests.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:60)
        at 
app//org.apache.lucene.tests.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:44)
        at app//org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at 
app//com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
app//com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:390)
        at 
app//com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:843)
        at 
app//com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:490)
        at 
app//com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:955)
        at 
app//com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:840)
        at 
app//com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:891)
        at 
app//com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:902)
        at 
app//com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
app//com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
app//org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
        at 
app//com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:80)
        at app//org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at 
app//org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
        at 
app//com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
app//org.apache.lucene.tests.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:38)
        at 
app//com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
        at 
app//com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
        at 
app//com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
app//com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
app//org.apache.lucene.tests.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:53)
        at 
app//org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
        at 
app//org.apache.lucene.tests.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:44)
        at 
app//org.apache.lucene.tests.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:60)
        at 
app//org.apache.lucene.tests.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:47)
        at app//org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at 
app//com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
app//com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:390)
        at 
app//com.carrotsearch.randomizedtesting.ThreadLeakControl.lambda$forkTimeoutingTask$0(ThreadLeakControl.java:850)
        at java.base@23.0.2/java.lang.Thread.run(Thread.java:1575)
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