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Posted to issues@hbase.apache.org by "Ted Yu (JIRA)" <ji...@apache.org> on 2016/02/05 18:55:39 UTC
[jira] [Assigned] (HBASE-15219) Canary tool does not return
non-zero exit when one of region stuck state
[ https://issues.apache.org/jira/browse/HBASE-15219?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ted Yu reassigned HBASE-15219:
------------------------------
Assignee: Ted Yu
> Canary tool does not return non-zero exit when one of region stuck state
> -------------------------------------------------------------------------
>
> Key: HBASE-15219
> URL: https://issues.apache.org/jira/browse/HBASE-15219
> Project: HBase
> Issue Type: Bug
> Components: canary
> Affects Versions: 0.98.16
> Reporter: Vishal Khandelwal
> Assignee: Ted Yu
> Priority: Critical
> Fix For: 2.0.0, 1.3.0, 1.2.1, 1.1.4, 1.0.4, 0.98.18
>
>
> 2016-02-05 12:24:18,571 ERROR [pool-2-thread-7] tool.Canary - read from region CAN_1,\x08\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00,1454667477865.00e77d07b8defe10704417fb99aa0418. column family 0 failed
> org.apache.hadoop.hbase.client.RetriesExhaustedException: Failed after attempts=2, exceptions:
> Fri Feb 05 12:24:15 GMT 2016, org.apache.hadoop.hbase.client.RpcRetryingCaller@54c9fea0, org.apache.hadoop.hbase.NotServingRegionException: org.apache.hadoop.hbase.NotServingRegionException: Region CAN_1,\x08\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00,1454667477865.00e77d07b8defe10704417fb99aa0418. is not online on isthbase02-dnds1-3-crd.eng.sfdc.net,60020,1454669984738
> at org.apache.hadoop.hbase.regionserver.HRegionServer.getRegionByEncodedName(HRegionServer.java:2852)
> at org.apache.hadoop.hbase.regionserver.HRegionServer.getRegion(HRegionServer.java:4468)
> at org.apache.hadoop.hbase.regionserver.HRegionServer.get(HRegionServer.java:2984)
> at org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:31186)
> at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2149)
> at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:104)
> at org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:133)
> at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
> at java.lang.Thread.run(Thread.java:745)
> --------
> -bash-4.1$ echo $?
> 0
> Below code prints the error but it does sets/returns the exit code. Due to this tool can't be integrated with nagios or other alerting.
> Ideally it should return error for failures. as pre the documentation:
> <snip>
> This tool will return non zero error codes to user for collaborating with other monitoring tools, such as Nagios. The error code definitions are:
> private static final int USAGE_EXIT_CODE = 1;
> private static final int INIT_ERROR_EXIT_CODE = 2;
> private static final int TIMEOUT_ERROR_EXIT_CODE = 3;
> private static final int ERROR_EXIT_CODE = 4;
> </snip>
> org.apache.hadoop.hbase.tool.Canary.RegionTask
> public Void read() {
> ....
> try {
> table = connection.getTable(region.getTable());
> tableDesc = table.getTableDescriptor();
> } catch (IOException e) {
> LOG.debug("sniffRegion failed", e);
> sink.publishReadFailure(region, e);
> ...
> return null;
> }
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