[JENKINS] Solr-main-Linux (64bit/jdk-16) - Build # 1580 - Unstable!

[Policeman Jenkins Server <je...@thetaphi.de>]

Build: https://jenkins.thetaphi.de/job/Solr-main-Linux/1580/
Java: 64bit/jdk-16 -XX:-UseCompressedOops -XX:+UseParallelGC

1 tests failed.
FAILED:  org.apache.solr.cloud.SaslZkACLProviderTest.testSaslZkACLProvider

Error Message:
java.lang.RuntimeException: Could not get ZK port

Stack Trace:
java.lang.RuntimeException: Could not get ZK port
	at __randomizedtesting.SeedInfo.seed([325367C6157E93EE:36A7311E8C3A30E0]:0)
	at org.apache.solr.cloud.ZkTestServer.run(ZkTestServer.java:615)
	at org.apache.solr.cloud.SaslZkACLProviderTest$SaslZkTestServer.run(SaslZkACLProviderTest.java:220)
	at org.apache.solr.cloud.SaslZkACLProviderTest.setUp(SaslZkACLProviderTest.java:85)
	at jdk.internal.reflect.GeneratedMethodAccessor5.invoke(Unknown Source)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:567)
	at com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1754)
	at com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:976)
	at com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:992)
	at com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
	at org.junit.rules.RunRules.evaluate(RunRules.java:20)
	at org.apache.lucene.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:44)
	at org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
	at org.apache.lucene.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:45)
	at org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:60)
	at org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:44)
	at org.junit.rules.RunRules.evaluate(RunRules.java:20)
	at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
	at com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:370)
	at com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:819)
	at com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:470)
	at com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:951)
	at com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:836)
	at com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:887)
	at com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:898)
	at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
	at org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
	at org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
	at com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
	at org.junit.rules.RunRules.evaluate(RunRules.java:20)
	at org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
	at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
	at org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:38)
	at com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
	at com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
	at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
	at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
	at org.apache.lucene.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:53)
	at org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
	at org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:44)
	at org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:60)
	at org.apache.lucene.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:47)
	at org.junit.rules.RunRules.evaluate(RunRules.java:20)
	at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
	at com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:370)
	at com.carrotsearch.randomizedtesting.ThreadLeakControl.lambda$forkTimeoutingTask$0(ThreadLeakControl.java:826)
	at java.base/java.lang.Thread.run(Thread.java:831)
	Suppressed: java.lang.InterruptedException: sleep interrupted
		at java.base/java.lang.Thread.sleep(Native Method)
		at org.apache.solr.cloud.ZkTestServer.run(ZkTestServer.java:598)
		... 46 more
Caused by: java.io.IOException: Could not configure server because SASL configuration did not allow the  ZooKeeper server to authenticate itself properly: javax.security.auth.login.LoginException: Parse Generalized time, invalid format
	at org.apache.zookeeper.server.ServerCnxnFactory.configureSaslLogin(ServerCnxnFactory.java:277)
	at org.apache.zookeeper.server.NIOServerCnxnFactory.configure(NIOServerCnxnFactory.java:623)
	at org.apache.zookeeper.server.ServerCnxnFactory.configure(ServerCnxnFactory.java:109)
	at org.apache.zookeeper.server.ServerCnxnFactory.configure(ServerCnxnFactory.java:105)
	at org.apache.solr.cloud.ZkTestServer$ZKServerMain.runFromConfig(ZkTestServer.java:345)
	at org.apache.solr.cloud.ZkTestServer$2.run(ZkTestServer.java:579)