xuzq created HDFS-15348:
---------------------------
Summary: [SBN Read] IllegalStateException happened when doing
failover
Key: HDFS-15348
URL: https://issues.apache.org/jira/browse/HDFS-15348
Project: Hadoop HDFS
Issue Type: Bug
Reporter: xuzq
Standby shutdown when doing failover, and throw IllegalStateException.
`getJournaledEdits` only return `dfs.ha.tail-edits.qjm.rpc.max-txns` edits,
resulting in failure to replay all edits in `catchupDuringFailover()`.
And check `streams.isEmpty()` will be throw this exception in
`FSEditLog#openForWrite`
The exception like:
{code:java}
2020-05-10 09:20:02,235 ERROR org.apache.hadoop.hdfs.server.namenode.NameNode
IPC Server handler 763 on 8022: Error encountered requiring NN sh
utdown. Shutting down immediately.
java.lang.IllegalStateException: Cannot start writing at txid 173922195318 when
there is a stream available for read: org.apache.hadoop.hdfs.se
rver.namenode.RedundantEditLogInputStream@47b73995
at
org.apache.hadoop.hdfs.server.namenode.FSEditLog.openForWrite(FSEditLog.java:320)
at
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.startActiveServices(FSNamesystem.java:1352)
at
org.apache.hadoop.hdfs.server.namenode.NameNode$NameNodeHAContext.startActiveServices(NameNode.java:1890)
at
org.apache.hadoop.hdfs.server.namenode.ha.ActiveState.enterState(ActiveState.java:61)
at
org.apache.hadoop.hdfs.server.namenode.ha.HAState.setStateInternal(HAState.java:64)
at
org.apache.hadoop.hdfs.server.namenode.ha.StandbyState.setState(StandbyState.java:49)
at
org.apache.hadoop.hdfs.server.namenode.NameNode.transitionToActive(NameNode.java:1763)
at
org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.transitionToActive(NameNodeRpcServer.java:1605){code}
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