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https://issues.apache.org/jira/browse/METRON-1493?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16401961#comment-16401961
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ASF GitHub Bot commented on METRON-1493:
----------------------------------------
Github user asfgit closed the pull request at:
https://github.com/apache/metron/pull/966
> Unhelpful Error Message When Assignment Expressions Fail
> --------------------------------------------------------
>
> Key: METRON-1493
> URL: https://issues.apache.org/jira/browse/METRON-1493
> Project: Metron
> Issue Type: Improvement
> Affects Versions: 0.4.2
> Reporter: Nick Allen
> Assignee: Nick Allen
> Priority: Major
> Fix For: Next + 1
>
>
> When running a bad assignment expression in the REPL, the error message
> provides no help as to why the expression fails. It only says that the
> expression fails, which is obvious. This needs to report back to the user
> the root cause of the assignment expression failing.
> {code}
> [Stellar]>>> p := 0/0
> [!] Assignment expression failed
> java.lang.IllegalArgumentException: Assignment expression failed
> at
> org.apache.metron.stellar.common.shell.StellarResult.error(StellarResult.java:115)
> at
> org.apache.metron.stellar.common.shell.specials.AssignmentCommand.execute(AssignmentCommand.java:82)
> at
> org.apache.metron.stellar.common.shell.DefaultStellarShellExecutor.execute(DefaultStellarShellExecutor.java:252)
> at
> org.apache.metron.stellar.common.shell.cli.StellarShell.execute(StellarShell.java:357)
> at org.jboss.aesh.console.AeshProcess.run(AeshProcess.java:53)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:748)
> {code}
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