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https://issues.apache.org/jira/browse/HBASE-1080?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Jim Kellerman updated HBASE-1080:
---------------------------------
Issue Type: Bug (was: Sub-task)
Parent: (was: HBASE-1121)
> Deadlocked master; wants to assign root but can't because root is not assigned
> ------------------------------------------------------------------------------
>
> Key: HBASE-1080
> URL: https://issues.apache.org/jira/browse/HBASE-1080
> Project: Hadoop HBase
> Issue Type: Bug
> Environment: 17:05 < jgray> I0.19.0-dev, r726565
> 17:05 < jgray> 12/15/08 i grabbed it
> Reporter: stack
> Attachments: master.dump.log
>
>
> This lock assigning regions looks broad.
> {code}
> "IPC Server handler 6 on 60000" daemon prio=10 tid=0x00007ff2d00ab400
> nid=0x645b in Object.wait() [0x000000004330b000..0x000000004330cd70]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> at java.lang.Object.wait(Object.java:502)
> at org.apache.hadoop.hbase.ipc.HBaseClient.call(HBaseClient.java:695)
> - locked <0x00007ff2e8e2b3b0> (a
> org.apache.hadoop.hbase.ipc.HBaseClient$Call)
> at
> org.apache.hadoop.hbase.ipc.HBaseRPC$Invoker.invoke(HBaseRPC.java:321)
> at $Proxy2.batchUpdates(Unknown Source)
> at
> org.apache.hadoop.hbase.client.HConnectionManager$TableServers$2.call(HConnectionManager.java:916)
> at
> org.apache.hadoop.hbase.client.HConnectionManager$TableServers$2.call(HConnectionManager.java:914)
> at
> org.apache.hadoop.hbase.client.HConnectionManager$TableServers.getRegionServerForWithoutRetries(HConnectionManager.java:872)
> at
> org.apache.hadoop.hbase.client.HConnectionManager$TableServers.processBatchOfRows(HConnectionManager.java:913)
> at org.apache.hadoop.hbase.client.HTable.flushCommits(HTable.java:1270)
> at org.apache.hadoop.hbase.client.HTable.commit(HTable.java:1241)
> - locked <0x00007ff2e8c01b90> (a org.apache.hadoop.hbase.client.HTable)
> at org.apache.hadoop.hbase.client.HTable.commit(HTable.java:1221)
> - locked <0x00007ff2e8c01b90> (a org.apache.hadoop.hbase.client.HTable)
> at org.apache.hadoop.hbase.RegionHistorian.add(RegionHistorian.java:239)
> at org.apache.hadoop.hbase.RegionHistorian.add(RegionHistorian.java:218)
> at
> org.apache.hadoop.hbase.RegionHistorian.addRegionAssignment(RegionHistorian.java:142)
> at
> org.apache.hadoop.hbase.master.RegionManager.assignRegionsToMultipleServers(RegionManager.java:282)
> at
> org.apache.hadoop.hbase.master.RegionManager.assignRegions(RegionManager.java:220)
> - locked <0x00007ff2e895d3f8> (a
> java.util.Collections$SynchronizedSortedMap)
> at
> org.apache.hadoop.hbase.master.ServerManager.processMsgs(ServerManager.java:382)
> at
> org.apache.hadoop.hbase.master.ServerManager.processRegionServerAllsWell(ServerManager.java:324)
> at
> org.apache.hadoop.hbase.master.ServerManager.regionServerReport(ServerManager.java:240)
> at
> org.apache.hadoop.hbase.master.HMaster.regionServerReport(HMaster.java:570)
> at sun.reflect.GeneratedMethodAccessor3.invoke(Unknown Source)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:616)
> at org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:632)
> at
> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:892)
> ....
> {code}
> Its messing up assigning root it seems.
> We are stuck in here. Doesn't look like we'll break out though maybe we time
> out?
> {code}
> public Writable call(Writable param, InetSocketAddress addr,
> UserGroupInformation ticket)
> throws InterruptedException, IOException {
> Call call = new Call(param);
> Connection connection = getConnection(addr, ticket, call);
> connection.sendParam(call); // send the parameter
> synchronized (call) {
> while (!call.done) {
> try {
> call.wait(); // wait for the result
> } catch (InterruptedException ignored) {}
> }
> ...
> {code}
> ... down in HBaseClient.
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