[jira] [Created] (HBASE-18386) When the zookeeper host cannot be resolved, provide better error message

["Ted Yu (JIRA)" <ji...@apache.org>]

Ted Yu created HBASE-18386:
------------------------------

             Summary: When the zookeeper host cannot be resolved, provide better error message
                 Key: HBASE-18386
                 URL: https://issues.apache.org/jira/browse/HBASE-18386
             Project: HBase
          Issue Type: Sub-task
            Reporter: Ted Yu
            Priority: Minor


Currently, when the zookeeper host cannot be resolved, we would see:
{code}
2017-07-15 19:42:09,367:3811(0x7f9ee2ffd700):ZOO_ERROR@getaddrs@613: getaddrinfo: No such file or directory

*** Aborted at 1500147729 (unix time) try "date -d @1500147729" if you are using GNU date ***
PC: @           0x6f4c28 zoo_get
*** SIGSEGV (@0x260) received by PID 3811 (TID 0x7f9ee2ffd700) from PID 608; stack trace: ***
    @     0x7f9eee0923d0 (unknown)
    @           0x6f4c28 zoo_get
    @           0x4444b4 hbase::LocationCache::ReadMetaLocation()
    @           0x449ec4 std::_Function_handler<>::_M_invoke()
    @           0x55ec12 wangle::ThreadPoolExecutor::runTask()
    @           0x54dfca wangle::CPUThreadPoolExecutor::threadRun()
    @           0x55f892 std::_Function_handler<>::_M_invoke()
{code}
There should be more intuitive error message so that user knows what to do next.



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