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From GitBox <...@apache.org>
Subject [GitHub] [pulsar] candlerb opened a new issue #5533: Missing CLI error handling in pulsar-admin
Date Fri, 01 Nov 2019 09:28:26 GMT
candlerb opened a new issue #5533: Missing CLI error handling in pulsar-admin
URL: https://github.com/apache/pulsar/issues/5533
   **Describe the bug**
   pulsar-admin can raise Java exceptions in certain conditions
   **To Reproduce**
   (1) Giving an invalid command - e.g. "functions getstate" (should be "functions querystate"),
with or without `--help` added
   $ apache-pulsar-2.4.1/bin/pulsar-admin functions getstate
   Expected a command, got getstate
   Exception in thread "main" com.beust.jcommander.ParameterException: Asking description
for unknown command: null
   	at com.beust.jcommander.JCommander.getCommandDescription(JCommander.java:1003)
   	at com.beust.jcommander.JCommander.usage(JCommander.java:988)
   	at com.beust.jcommander.JCommander.usage(JCommander.java:980)
   	at com.beust.jcommander.JCommander.usage(JCommander.java:972)
   	at org.apache.pulsar.admin.cli.CmdBase.run(CmdBase.java:49)
   	at org.apache.pulsar.admin.cli.PulsarAdminTool.run(PulsarAdminTool.java:218)
   	at org.apache.pulsar.admin.cli.PulsarAdminTool.main(PulsarAdminTool.java:260)
   (Hangs here, have to press `^C`)
   (2) Giving a querystate command without the "--key" option
   $ apache-pulsar-2.4.1/bin/pulsar-admin functions querystate --name womble
   Reason: java.lang.NullPointerException: path is 'null'.
   tcpdump shows no traffic on port 8080, so this appears to be a local CLI issue.
   **Expected behavior**
   Error message to be reported

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