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https://issues.apache.org/jira/browse/HDFS-13198?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Íñigo Goiri updated HDFS-13198:
-------------------------------
Summary: RBF: RouterHeartbeatService throws out CachedStateStore related
exceptions when starting router (was: RBF: RouterHeartbeatService throws out
CahcedStateStore related exceptions when starting router)
> RBF: RouterHeartbeatService throws out CachedStateStore related exceptions
> when starting router
> -----------------------------------------------------------------------------------------------
>
> Key: HDFS-13198
> URL: https://issues.apache.org/jira/browse/HDFS-13198
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Wei Yan
> Assignee: Wei Yan
> Priority: Minor
>
> Exception looks like:
> {code:java}
> 2018-02-23 19:04:56,341 ERROR router.RouterHeartbeatService: Cannot get
> version for class
> org.apache.hadoop.hdfs.server.federation.store.MembershipStore: Cached State
> Store not initialized, MembershipState records not valid
> 2018-02-23 19:04:56,341 ERROR router.RouterHeartbeatService: Cannot get
> version for class
> org.apache.hadoop.hdfs.server.federation.store.MountTableStore: Cached State
> Store not initialized, MountTable records not valid
> Exception in thread "Router Heartbeat Async" java.lang.NullPointerException
> at
> org.apache.hadoop.hdfs.server.federation.store.driver.impl.StateStoreSerializableImpl.serialize(StateStoreSerializableImpl.java:60)
> at
> org.apache.hadoop.hdfs.server.federation.store.driver.impl.StateStoreZooKeeperImpl.putAll(StateStoreZooKeeperImpl.java:191)
> at
> org.apache.hadoop.hdfs.server.federation.store.driver.impl.StateStoreBaseImpl.put(StateStoreBaseImpl.java:75)
> at
> org.apache.hadoop.hdfs.server.federation.store.impl.RouterStoreImpl.routerHeartbeat(RouterStoreImpl.java:88)
> at
> org.apache.hadoop.hdfs.server.federation.router.RouterHeartbeatService.updateStateStore(RouterHeartbeatService.java:95)
> at
> org.apache.hadoop.hdfs.server.federation.router.RouterHeartbeatService.access$000(RouterHeartbeatService.java:43)
> at
> org.apache.hadoop.hdfs.server.federation.router.RouterHeartbeatService$1.run(RouterHeartbeatService.java:68)
> at java.lang.Thread.run(Thread.java:748){code}
> This is because, during starting the Router, the CachedStateStore hasn't been
> initialized and cannot serve requests. Although the router will still be
> started, it would be better to fix the exceptions.
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