[jira] [Created] (HBASE-25208) Running an hbase-shell command in non-interactive mode should not complain about missing files when it fails to talk to the cluster.

["Sean Busbey (Jira)" <ji...@apache.org>]

Sean Busbey created HBASE-25208:
-----------------------------------

             Summary: Running an hbase-shell command in non-interactive mode should not complain about missing files when it fails to talk to the cluster.
                 Key: HBASE-25208
                 URL: https://issues.apache.org/jira/browse/HBASE-25208
             Project: HBase
          Issue Type: Bug
          Components: shell
            Reporter: Sean Busbey


if you script out some shell commands, then run them via the shell in non-interactive mode we sometimes give an erroneous "I couldn't find that file" response when the master(s) are in a bad state instead of revealing the underlying cluster issue.

e.g.
{code}
  tmpfile=$(mktemp)
  echo "balance_switch false" > $tmpfile
  echo "exit" >> $tmpfile
  $HBASE_BIN --config $CONF_DIR shell -n $tmpfile
  RET=$?
  rm $tmpfile
  exit $RET
{code}

as an example, with a master stuck trying to initialize as active the failure might look like

{code}
++ mktemp
+ tmpfile=/tmp/tmp.dMHTj0nVXx
+ echo balance_switch true
+ echo exit
+ bin/hbase --config /etc/hbase/conf shell -n /tmp/tmp.dMHTj0nVXx
LoadError: no such file to load -- /tmp/tmp.dMHTj0nVXx
    load at org/jruby/RubyKernel.java:974
  <main> at /some/path/to/lib/hbase/bin/hirb.rb:186
+ RET=1
+ rm /tmp/tmp.dMHTj0nVXx
+ exit 1
{code}

which is very confusing. the shell should report something related to an issue talking to the cluster rather than a problem with the passed script.



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