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https://issues.apache.org/jira/browse/GOBBLIN-1055?focusedWorklogId=389298&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-389298
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ASF GitHub Bot logged work on GOBBLIN-1055:
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Author: ASF GitHub Bot
Created on: 19/Feb/20 04:06
Start Date: 19/Feb/20 04:06
Worklog Time Spent: 10m
Work Description: chris9692 commented on pull request #2895: GOBBLIN-1055
Gaas jobs not able to write to state store
URL: https://github.com/apache/incubator-gobblin/pull/2895
Dear Gobblin maintainers,
Please accept this PR. I understand that it will not be reviewed until I
have checked off all the steps below!
### JIRA
- [X] My PR addresses the following [Gobblin JIRA]
- https://issues.apache.org/jira/browse/GOBBLIN-1055
### Description
- [X] Here are some details about my PR, including screenshots (if
applicable):
The change pass the GobblinClassLoader to Hadoop through Configuration so
that Hadoop can load the serializer properly.
### Tests
- [X] My PR adds the following unit tests __OR__ does not need testing for
this extremely good reason:
PR fixed a loop hole in passing parameters from Gobblin-metastore to Hadoop,
and it was tested effective in Gaas flow execution with
state.store.enabled=true.
### Commits
- [X] My commits all reference JIRA issues in their subject lines, and I
have squashed multiple commits if they address the same issue. In addition, my
commits follow the guidelines from "[How to write a good git commit
message](http://chris.beams.io/posts/git-commit/)":
1. Subject is separated from body by a blank line
2. Subject is limited to 50 characters
3. Subject does not end with a period
4. Subject uses the imperative mood ("add", not "adding")
5. Body wraps at 72 characters
6. Body explains "what" and "why", not "how"
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Issue Time Tracking
-------------------
Worklog Id: (was: 389298)
Remaining Estimate: 0h
Time Spent: 10m
> Gaas jobs not able to write to state store
> ------------------------------------------
>
> Key: GOBBLIN-1055
> URL: https://issues.apache.org/jira/browse/GOBBLIN-1055
> Project: Apache Gobblin
> Issue Type: Bug
> Components: state-management
> Affects Versions: 0.14.0
> Reporter: Chris Li
> Assignee: Hung Tran
> Priority: Major
> Time Spent: 10m
> Remaining Estimate: 0h
>
> When state.store.enabled=true and state.store target is on HDFS, Gaas flows
> run into error when writing job state. The reason is that Gaas used a
> particularly GobblinClassLoader to load classes, and without giving that
> information to Hadoop Configuration, the Hadoop hook tries to load the custom
> serializer using default Class Loader.
> See stack trace in comments. While *WritableShimSerialization* was loaded
> successfully by GobblinClassLoader, Hadoop is not able to find it through
> default Class Loader.
>
>
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