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https://issues.apache.org/jira/browse/IMPALA-14955?focusedWorklogId=1019063&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-1019063
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ASF GitHub Bot logged work on IMPALA-14955:
-------------------------------------------
Author: ASF GitHub Bot
Created on: 07/May/26 01:08
Start Date: 07/May/26 01:08
Worklog Time Spent: 10m
Work Description: smengcl opened a new pull request, #89:
URL: https://github.com/apache/impala/pull/89
https://issues.apache.org/jira/browse/IMPALA-14955
When an HDFS/libhdfs operation fails, Impala currently includes libhdfs root
cause output in `GetHdfsErrorMsg()`. However, some failures, especially
exceptions raised inside filesystem client code, need the full Java stack trace
to identify the actual failing path.
This change appends `hdfsGetLastExceptionStackTrace()` to the HDFS error
message when libhdfs provides one.
## Motivation
We hit an issue earlier due to using Ozone (HCFS):
```
Failed to close HDFS file
Error(255): Unknown error 255
Root cause: ArrayIndexOutOfBoundsException
```
but the actual Java stack trace was not captured in the query/profile error.
Including the libhdfs stack trace would be help immensely.
Issue Time Tracking
-------------------
Worklog Id: (was: 1019063)
Remaining Estimate: 0h
Time Spent: 10m
> Include libhdfs Java stack trace in HDFS error messages
> -------------------------------------------------------
>
> Key: IMPALA-14955
> URL: https://issues.apache.org/jira/browse/IMPALA-14955
> Project: IMPALA
> Issue Type: Improvement
> Components: Backend
> Reporter: Siyao Meng
> Priority: Major
> Time Spent: 10m
> Remaining Estimate: 0h
>
> When an HDFS/libhdfs operation fails, Impala currently includes libhdfs root
> cause output in `GetHdfsErrorMsg()`. However, some failures, especially
> exceptions raised inside filesystem client code, need the full Java stack
> trace to identify the actual failing path.
> This change appends `hdfsGetLastExceptionStackTrace()` to the HDFS error
> message when libhdfs provides one.
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