[SOLR-16175] race condition SizeLimitedDistributedMap

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Duplicate
• Assignee: Noble Paul
• Reporter: Noble Paul
• Created: 02/May/22 12:23
• Updated: 20/Oct/22 19:37
• Resolved: 20/Oct/22 19:37

Description

Exception below is observed while updating the completedMap field in OverseerTaskProcessor :

o.a.s.c.OverseerTaskProcessor :org.apache.zookeeper.KeeperException$NoNodeException: KeeperErrorCode = NoNode for /overseer/collection-map-completed/mn-736f6c726d616e2d312d31383930383730393837313333303932353331
at org.apache.zookeeper.KeeperException.create(KeeperException.java:118)
at org.apache.zookeeper.KeeperException.create(KeeperException.java:54)
at org.apache.zookeeper.ZooKeeper.delete(ZooKeeper.java:2001)
at org.apache.solr.common.cloud.SolrZkClient.lambda$delete$1(SolrZkClient.java:264)
at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:71)
at org.apache.solr.common.cloud.SolrZkClient.delete(SolrZkClient.java:263)
at org.apache.solr.cloud.SizeLimitedDistributedMap.put(SizeLimitedDistributedMap.java:76)
at org.apache.solr.cloud.OverseerTaskProcessor$Runner.run(OverseerTaskProcessor.java:538)

Issue Links

• is duplicated by: SOLR-16412 Race condition could trigger error on concurrent SizeLimitedDistributedMap cleanup