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Allen Wittenauer commented on HADOOP-11127:
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At least it'd be my own pieces instead of other people's for once.
> Improve versioning and compatibility support in native library for downstream hadoop-common
users.
> --------------------------------------------------------------------------------------------------
>
> Key: HADOOP-11127
> URL: https://issues.apache.org/jira/browse/HADOOP-11127
> Project: Hadoop Common
> Issue Type: Bug
> Components: native
> Reporter: Chris Nauroth
>
> There is no compatibility policy enforced on the JNI function signatures implemented
in the native library. This library typically is deployed to all nodes in a cluster, built
from a specific source code version. However, downstream applications that want to run in
that cluster might choose to bundle a hadoop-common jar at a different version. Since there
is no compatibility policy, this can cause link errors at runtime when the native function
signatures expected by hadoop-common.jar do not exist in libhadoop.so/hadoop.dll.
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