[SOLR-12200] ZkControllerTest failure. Leaking Overseer

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 7.4, 8.0
• Component/s: SolrCloud
• Assignee: Mikhail Khludnev
• Reporter: Mikhail Khludnev
• Created: 06/Apr/18 21:24
• Updated: 21/Nov/19 00:42
• Resolved: 17/May/18 16:04

Description

Failure seems suspiciously the same.
[junit4] 2> 499919 INFO (TEST-ZkControllerTest.testReadConfigName-seed#[BC856CC565039E77]) [n:127.0.0.1:8983_solr ] o.a.s.c.Overseer Overseer (id=73578760132362243-127.0.0.1:8983_solr-n_0000000000) closing
[junit4] 2> 499920 INFO (OverseerStateUpdate-73578760132362243-127.0.0.1:8983_solr-n_0000000000) [ ] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:8983_solr
[junit4] 2> 499920 ERROR (OverseerCollectionConfigSetProcessor-73578760132362243-127.0.0.1:8983_solr-n_0000000000) [ ] o.a.s.c.OverseerTaskProcessor Unable to prioritize overseer
[junit4] 2> java.lang.InterruptedException: null
[junit4] 2> at java.lang.Object.wait(Native Method) ~[?:1.8.0_152]
[junit4] 2> at java.lang.Object.wait(Object.java:502) ~[?:1.8.0_152]
[junit4] 2> at org.apache.zookeeper.ClientCnxn.submitRequest(ClientCnxn.java:1409) ~[zookeeper-3.4.11.jar:3.4

then it spins in SessionExpiredException, all tests pass but suite fails due to leaking Overseer.

Issue Links

• is related to: SOLR-7736 Add a test for ZkController.publishAndWaitForDownStates
• relates to: SOLR-12377 Overseer leak failure in TestLeaderElectionZkExpiry
• links to: one failure

Sub-Tasks

• Stop endless spin java.io.IOException: org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = Session expired for /autoscaling.json: Closed