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Vishal Khandelwal commented on HBASE-15219: ------------------------------------------- Please let me know if i am missing something here. my expectation what that for any failure tool would return non-zero which can be monitored accordingly. > 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 > Affects Versions: 0.98.16 > Reporter: Vishal Khandelwal > > 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; > } -- This message was sent by Atlassian JIRA (v6.3.4#6332)