[jira] [Created] (IGNITE-3929) Hadoop: Fix native libraries loading mechanism.

["Vladimir Ozerov (JIRA)" <ji...@apache.org>]

Vladimir Ozerov created IGNITE-3929:
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             Summary: Hadoop: Fix native libraries loading mechanism.
                 Key: IGNITE-3929
                 URL: https://issues.apache.org/jira/browse/IGNITE-3929
             Project: Ignite
          Issue Type: Sub-task
          Components: hadoop
    Affects Versions: 1.7
            Reporter: Vladimir Ozerov
            Assignee: Ivan Veselovsky
             Fix For: 1.8


Currently we do the following to load native libraries:
1) Ask parent class loader (normally it is app class loader) to load {{org.apache.hadoop.util.NativeCodeLoader}} class. It will force loading of relevant Hadoop native libraries.
2) Then hack into parent class loader internals, find loaded library, and wire it up to current classloader.

This approach will not work any more because parent classloader normally will not have Hadoop in classpath.

We should provide alternative solution. One idea is to hack into {{findLibrary}} method: when it is called we can create alternative library name and point it, e.g., to symlink of a target library.



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