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https://issues.apache.org/jira/browse/SOLR-9428?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16076086#comment-16076086
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Mikhail Khludnev commented on SOLR-9428:
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bq. We can add similar retry logic to ZkStateReader#readConfigName
Yes, please. Unrelated tests fail from time to time with the same reason:
{{Session expired}} under {{ZkStateReader.readConfigName}}
{code}
[beaster] 2> 78020 ERROR (qtp1143534288-61) [n:127.0.0.1:52648_solr
c:collection1 s:shard1 r:core_node2 x:collection1_shard1_replica_n2]
o.a.s.r.ManagedResourceStorage Failed to get config name due to
[beaster] 2> org.apache.solr.common.SolrException: Error loading config
name for collection collection1
[beaster] 2> at
org.apache.solr.common.cloud.ZkStateReader.readConfigName(ZkStateReader.java:206)
[beaster] 2> at
org.apache.solr.rest.ManagedResourceStorage.newStorageIO(ManagedResourceStorage.java:95)
[beaster] 2> at
org.apache.solr.core.SolrCore.initRestManager(SolrCore.java:2768)
[beaster] 2> at
org.apache.solr.core.SolrCore.<init>(SolrCore.java:963)
[beaster] 2> at
org.apache.solr.core.SolrCore.<init>(SolrCore.java:843)
[beaster] 2> at
org.apache.solr.core.CoreContainer.create(CoreContainer.java:969)
...
[beaster] 2> Caused by:
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode =
Session expired for /collections/collection1
[beaster] 2> at
org.apache.zookeeper.KeeperException.create(KeeperException.java:127)
[beaster] 2> at
org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
[beaster] 2> at
org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1212)
[beaster] 2> at
org.apache.solr.common.cloud.SolrZkClient$7.execute(SolrZkClient.java:357)
[beaster] 2> at
org.apache.solr.common.cloud.SolrZkClient$7.execute(SolrZkClient.java:354)
[beaster] 2> at
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
[beaster] 2> at
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:354)
[beaster] 2> at
org.apache.solr.common.cloud.ZkStateReader.readConfigName(ZkStateReader.java:186)
[beaster] 2> ... 40 more
{code}
> TestManagedSchemaAPI Objects not released test failures
> -------------------------------------------------------
>
> Key: SOLR-9428
> URL: https://issues.apache.org/jira/browse/SOLR-9428
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Varun Thacker
> Assignee: Varun Thacker
> Attachments: build401.log.zip, build6069.log.zip, SOLR-9428.patch
>
>
> I've seen quite a few jenkins failures of this nature : {{ObjectTracker found
> 1 object(s) that were not released!!! \[MockDirectoryWrapper\]}}
> Here are the symptoms -
> {code}
> [junit4] 2> 3000951 ERROR (Thread-4650) [n:127.0.0.1:49362_solr
> c:testschemaapi s:shard1 r:core_node1 x:testschemaapi_shard1_replica2]
> o.a.s.r.ManagedResourceStorage Failed to get config name for collection
> testschemaapi due to: org.apache.solr.common.SolrException: Error loading
> config name for collection testschemaapi
> {code} - We don't know the root cause
> To start with I am going to put up a patch to display the root cause. We can
> then figure out whats going wrong
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