[SOLR-11845] OverseerTaskQueue throws Exception when the response node does not exist

• Type: Bug
• Status: Open
• Priority: Minor
• Resolution: Unresolved
• Component/s: SolrCloud
• Assignee: Unassigned
• Reporter: Noble Paul
• Created: 11/Jan/18 13:56
• Updated: 08/Jun/19 15:11

Description

2017-12-15 13:00:40.789 ERROR (OverseerCollectionConfigSetProcessor-1540306989440696326-vlpijengs305:8983_solr-n_0000000004) [   ] o.a.s.c.OverseerTaskProcessor :org.apache.zookeeper.KeeperException$NoNodeException: KeeperErrorCode = NoNode for /overseer/collection-queue-work/qnr-0000000832
        at org.apache.zookeeper.KeeperException.create(KeeperException.java:111)
        at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
        at org.apache.zookeeper.ZooKeeper.setData(ZooKeeper.java:1327)
        at org.apache.solr.common.cloud.SolrZkClient$8.execute(SolrZkClient.java:374)
        at org.apache.solr.common.cloud.SolrZkClient$8.execute(SolrZkClient.java:371)
        at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
        at org.apache.solr.common.cloud.SolrZkClient.setData(SolrZkClient.java:371)
        at org.apache.solr.common.cloud.SolrZkClient.setData(SolrZkClient.java:572)
        at org.apache.solr.cloud.OverseerTaskQueue.remove(OverseerTaskQueue.java:94)
        at org.apache.solr.cloud.OverseerTaskProcessor.cleanUpWorkQueue(OverseerTaskProcessor.java:321)
        at org.apache.solr.cloud.OverseerTaskProcessor.run(OverseerTaskProcessor.java:202)
        at java.lang.Thread.run(Thread.java:748)

This should not throw an exception. If the response ZK node does not exist there is no need to throw an Exception back