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https://issues.apache.org/jira/browse/HADOOP-19654?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18035427#comment-18035427
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ASF GitHub Bot commented on HADOOP-19654:
-----------------------------------------
steveloughran commented on PR #7882:
URL: https://github.com/apache/hadoop/pull/7882#issuecomment-3487855879
everything running mr job can't spawn process properly as the launched jvm
is always java8.
I've mostly fixed this but some of the spawned mr jobs still play up in
batch runs but not standalone
```
Error: A JNI error has occurred, please check your installation and try again
Exception in thread "main" java.lang.UnsupportedClassVersionError:
org/apache/hadoop/mapreduce/v2/app/MRAppMaster has been compiled by a more
recent version of the Java Runtime (class file version 61.0), this version of
the Java Runtime only recognizes class file versions up to 52.0
at java.lang.ClassLoader.defineClass1(Native Method)
```
One regression is a JUnit5 regression; the configurable timeouts of scale
tests are no longer being picked up, slow tests are timing out
```
[ERROR]
org.apache.hadoop.fs.s3a.scale.ITestS3AConcurrentOps.testThreadPoolCoolDown
> Upgrade AWS SDK to 2.35.4
> -------------------------
>
> Key: HADOOP-19654
> URL: https://issues.apache.org/jira/browse/HADOOP-19654
> Project: Hadoop Common
> Issue Type: Improvement
> Components: build, fs/s3
> Affects Versions: 3.5.0
> Reporter: Steve Loughran
> Assignee: Steve Loughran
> Priority: Major
> Labels: pull-request-available
>
> Upgrade to a recent version of 2.33.x or later while off the critical path of
> things.
> HADOOP-19485 froze the sdk at a version which worked with third party stores.
> Apparently the new version works; early tests show that Bulk Delete calls
> with third party stores complain about lack of md5 headers, so some tuning is
> clearly going to be needed.
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