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https://issues.apache.org/jira/browse/DRILL-6724?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16603815#comment-16603815
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ASF GitHub Bot commented on DRILL-6724:
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Ben-Zvi commented on issue #1455: DRILL-6724: Convert IndexOutOfBounds
exception to UserException with …
URL: https://github.com/apache/drill/pull/1455#issuecomment-418573131
The IBM JVM has a special call: `com.ibm.jvm.Dump.SystemDump()` that
generates a dump (similar to a Linux core dump) that can be analyzed later
(e.g., check values of fields, heap. Probably not direct memory). It can even
garbage collect the heap before dumping !!
Unfortunately the standard JVMs offer no such call yet, hence not
applicable for Drill now.
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> Convert IndexOutOfBounds exception to UserException with context data where
> possible
> ------------------------------------------------------------------------------------
>
> Key: DRILL-6724
> URL: https://issues.apache.org/jira/browse/DRILL-6724
> Project: Apache Drill
> Issue Type: Improvement
> Affects Versions: 1.14.0
> Reporter: Bohdan Kazydub
> Assignee: Bohdan Kazydub
> Priority: Major
> Fix For: 1.15.0
>
>
> Sometimes when IndexOutOfBoundsException is exposed to users it is not clear
> what causes the problem. Instead this exception may be converted to a more
> useful UserException containing context data like filename, line, position
> etc (depending on what is available from a reader for a given type).
> A possible approach is to add a method to a RecordReader interface which
> produces UserException of type ErrorType.DATA_READ with context data, so that
> when such an UserException is needed it can be easily obtained by invoking
> the method.
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