[ 
https://issues.apache.org/jira/browse/SOLR-7146?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Vamsee Yarlagadda updated SOLR-7146:
------------------------------------
    Attachment: SOLR-7146.patch

Here is the first revision of the patch. I added logic to wait for maximum of 
10 seconds before giving up.

> MiniSolrCloudCluster based tests can fail with ZooKeeperException NoNode for 
> /live_nodes
> ----------------------------------------------------------------------------------------
>
>                 Key: SOLR-7146
>                 URL: https://issues.apache.org/jira/browse/SOLR-7146
>             Project: Solr
>          Issue Type: Bug
>          Components: SolrCloud, Tests
>            Reporter: Shalin Shekhar Mangar
>            Priority: Minor
>             Fix For: Trunk, 5.1
>
>         Attachments: SOLR-7146.patch
>
>
> MiniSolrCloudCluster based tests can fail with the following exception:
> {code}
> org.apache.solr.common.cloud.ZooKeeperException: 
>       at 
> __randomizedtesting.SeedInfo.seed([3F3D838A8ADC9385:F153ADFBF163EC6D]:0)
>       at 
> org.apache.solr.client.solrj.impl.CloudSolrClient.connect(CloudSolrClient.java:463)
>       at 
> org.apache.solr.client.solrj.impl.CloudSolrClient.requestWithRetryOnStaleState(CloudSolrClient.java:763)
>       at 
> org.apache.solr.client.solrj.impl.CloudSolrClient.request(CloudSolrClient.java:752)
>       at 
> org.apache.solr.cloud.MiniSolrCloudCluster.createCollection(MiniSolrCloudCluster.java:193)
>       at 
> org.apache.solr.handler.component.TestTwoPhaseDistributedQuery.testNoExtraFieldsRequestedFromShardsInPhaseOne(TestTwoPhaseDistributedQuery.java:79)
>       at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>       at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>       at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>       at 
> com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1618)
>       at 
> com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:827)
>       at 
> com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:863)
>       at 
> com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:877)
>       at 
> com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:53)
>       at 
> org.apache.lucene.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:50)
>       at 
> org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:46)
>       at 
> com.carrotsearch.randomizedtesting.rules.SystemPropertiesInvariantRule$1.evaluate(SystemPropertiesInvariantRule.java:55)
>       at 
> org.apache.lucene.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:49)
>       at 
> org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:65)
>       at 
> org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:48)
>       at 
> com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
>       at 
> com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:365)
>       at 
> com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:798)
>       at 
> com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:458)
>       at 
> com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:836)
>       at 
> com.carrotsearch.randomizedtesting.RandomizedRunner$3.evaluate(RandomizedRunner.java:738)
>       at 
> com.carrotsearch.randomizedtesting.RandomizedRunner$4.evaluate(RandomizedRunner.java:772)
>       at 
> com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:783)
>       at 
> com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
>       at 
> com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:53)
>       at 
> org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:46)
>       at 
> org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:42)
>       at 
> com.carrotsearch.randomizedtesting.rules.SystemPropertiesInvariantRule$1.evaluate(SystemPropertiesInvariantRule.java:55)
>       at 
> com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:39)
>       at 
> com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:39)
>       at 
> com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
>       at 
> com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
>       at 
> com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
>       at 
> org.apache.lucene.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:54)
>       at 
> org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:48)
>       at 
> org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:65)
>       at 
> org.apache.lucene.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:55)
>       at 
> com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
>       at 
> com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:365)
>       at java.lang.Thread.run(Thread.java:745)
> Caused by: org.apache.zookeeper.KeeperException$NoNodeException: 
> KeeperErrorCode = NoNode for /live_nodes
>       at org.apache.zookeeper.KeeperException.create(KeeperException.java:111)
>       at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
>       at org.apache.zookeeper.ZooKeeper.getChildren(ZooKeeper.java:1472)
>       at 
> org.apache.solr.common.cloud.SolrZkClient$6.execute(SolrZkClient.java:326)
>       at 
> org.apache.solr.common.cloud.SolrZkClient$6.execute(SolrZkClient.java:323)
>       at 
> org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:61)
>       at 
> org.apache.solr.common.cloud.SolrZkClient.getChildren(SolrZkClient.java:323)
>       at 
> org.apache.solr.common.cloud.ZkStateReader.createClusterStateWatchersAndUpdate(ZkStateReader.java:346)
>       at 
> org.apache.solr.client.solrj.impl.CloudSolrClient.connect(CloudSolrClient.java:455)
>       ... 44 more
> {code}
> The reason is that the cluster constructor can return before any of the nodes 
> are initialized. In such a case, no /live_nodes are present and hence this 
> error.



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