[SOLR-9679] Exception when removing zk node /security.json

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 8.6
• Component/s: Authentication
• Assignee: Jan Høydahl
• Reporter: Jan Høydahl
• Created: 22/Oct/16 22:28
• Updated: 15/Jul/20 15:10
• Resolved: 08/Jun/20 08:51

Description

To reproduce:

1. Upload security.json to zk
2. bin/solr zk rm zk:/security.json -z localhost:9983

2016-10-22 22:17:32.264 DEBUG (main-EventThread) [   ] o.a.s.c.c.SolrZkClient Submitting job to respond to event WatchedEvent state:SyncConnected type:NodeDeleted path:/security.json
2016-10-22 22:17:32.265 DEBUG (zkCallback-3-thread-1-processing-n:192.168.0.11:8983_solr) [   ] o.a.s.c.c.ZkStateReader Updating [/security.json] ... 
2016-10-22 22:17:32.266 ERROR (zkCallback-3-thread-1-processing-n:192.168.0.11:8983_solr) [   ] o.a.s.c.c.ZkStateReader A ZK error has occurred
org.apache.zookeeper.KeeperException$NoNodeException: KeeperErrorCode = NoNode for /security.json
	at org.apache.zookeeper.KeeperException.create(KeeperException.java:111)
	at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
	at org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1155)
	at org.apache.solr.common.cloud.SolrZkClient$7.execute(SolrZkClient.java:356)
	at org.apache.solr.common.cloud.SolrZkClient$7.execute(SolrZkClient.java:353)
	at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
	at org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:353)
	at org.apache.solr.common.cloud.ZkStateReader$3.process(ZkStateReader.java:455)
	at org.apache.solr.common.cloud.SolrZkClient$3.lambda$process$0(SolrZkClient.java:268)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:229)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)

I'm not sure what should happen, but it would be sweet to be able to disable security by simply removing the znode... noble.paul ?

Issue Links

• links to: GitHub Pull Request #1403