Abhishek Girish created DRILL-4836:
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Summary: ZK Issue during Drillbit startup, possibly due to race
condition
Key: DRILL-4836
URL: https://issues.apache.org/jira/browse/DRILL-4836
Project: Apache Drill
Issue Type: Bug
Components: Server
Reporter: Abhishek Girish
Assignee: Paul Rogers
Fix For: 1.8.0
During a parallel launch of Drillbits on a 4 node cluster, I hit this issue
during startup:
{code}
Exception in thread "main"
org.apache.drill.exec.exception.DrillbitStartupException: Failure during
initial startup of Drillbit.
at org.apache.drill.exec.server.Drillbit.start(Drillbit.java:284)
at org.apache.drill.exec.server.Drillbit.start(Drillbit.java:261)
at org.apache.drill.exec.server.Drillbit.main(Drillbit.java:257)
Caused by: org.apache.drill.common.exceptions.DrillRuntimeException: unable to
put
at
org.apache.drill.exec.coord.zk.ZookeeperClient.put(ZookeeperClient.java:196)
at
org.apache.drill.exec.store.sys.store.ZookeeperPersistentStore.putIfAbsent(ZookeeperPersistentStore.java:94)
...
at org.apache.drill.exec.server.Drillbit.run(Drillbit.java:113)
at org.apache.drill.exec.server.Drillbit.start(Drillbit.java:281)
... 2 more
Caused by: org.apache.zookeeper.KeeperException$NodeExistsException:
KeeperErrorCode = NodeExists for /drill/sys.storage_plugins/dfs
at
org.apache.drill.exec.coord.zk.ZookeeperClient.put(ZookeeperClient.java:191)
... 7 more
{code}
And similarly,
{code}
Caused by: org.apache.zookeeper.KeeperException$NodeExistsException:
KeeperErrorCode = NodeExists for /drill/sys.storage_plugins/kudu
{code}
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