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https://issues.apache.org/jira/browse/PIG-2760?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13396596#comment-13396596
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Mathias Herberts commented on PIG-2760:
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Converting a relative path to an absolute one may be an issue when accessing a
resource in a UDF using getResourceAsStream
Previously, if we used 'REGISTER foo/bar;' in a script, you could access 'bar'
by calling this.getClass().getClassLoader().getResourceAsStream('foo/bar'); in
your UDF, and this would work whatever directory the pig script is run from.
If converting the relative path to an absolute one (with no leading '/'), the
argument to getResourceAsStream will need to be dependent on the directory from
which the pig script is run, this kinds of defeat usability.
> resources added with a relative path are added to the JobXXXX jar file under
> their absolute path
> ------------------------------------------------------------------------------------------------
>
> Key: PIG-2760
> URL: https://issues.apache.org/jira/browse/PIG-2760
> Project: Pig
> Issue Type: Bug
> Affects Versions: 0.10.0
> Reporter: Mathias Herberts
>
> When registering a local resource using a relative path, the resource is
> added to the JobXXXX jar under its absolute path.
> If a pig script contains the following:
> REGISTER etc/foo;
> and is executed from a directory /PATH/TO/DIR, the JobXXXX jar file will
> contain the following:
> /PATH/TO/DIR/etc/foo
> instead of
> etc/foo
> which was the previous behavior
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