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https://issues.apache.org/jira/browse/DRILL-6551?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16526417#comment-16526417
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Vitalii Diravka commented on DRILL-6551:
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[~nitinpawar432] Could you please add sample of parquet file, which causes it?
> Concat function results in SYSTEM ERROR: IllegalStateException: Tried to
> remove unmanaged buffer.
> -------------------------------------------------------------------------------------------------
>
> Key: DRILL-6551
> URL: https://issues.apache.org/jira/browse/DRILL-6551
> Project: Apache Drill
> Issue Type: Bug
> Components: Execution - Flow, Functions - Drill
> Affects Versions: 1.13.0
> Reporter: Nitin Pawar
> Priority: Major
> Fix For: Future
>
>
> I get following error when doing concat(string1, string2)
> {code:java}
> SYSTEM ERROR: IllegalStateException: Tried to remove unmanaged buffer.
> Fragment 0:0
> [Error Id: bcd510f6-75ee-49a7-b723-7b35d8575623 on
> ip-10-0-103-63.ec2.internal:31010]
> Caused By: SYSTEM ERROR: IllegalStateException: Tried to remove unmanaged
> buffer.
> Fragment 0:0
> [Error Id: bcd510f6-75ee-49a7-b723-7b35d8575623 on
> ip-10-0-103-63.ec2.internal:31010]
> {code}
> here in the function string1 ends with " - "
> and string2 is pretty large string.
> The error goes away when i do concat(string1, ' ', string2)
> The issue isn't reproduced for Drill 1.8.0 version
> [https://mail-archives.apache.org/mod_mbox/drill-user/201806.mbox/browser]
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