Chris Nauroth created HADOOP-11127:
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Summary: 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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