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https://issues.apache.org/jira/browse/HADOOP-7549?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13485314#comment-13485314
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Jane Chen commented on HADOOP-7549:
-----------------------------------
Hi Alejandro,
Thank you for your input.
I was using the bundled jars directly. I found that I have to call
FileSystem.loadFileSystems() in the same thread where JVM is initialized. So I
got it working now.
I'm guessing the class loader used in the ServiceLoader doesn't get the
classpath set if it isn't the same thread creating the JVM. But I haven't
tried to prove it. I'd love to hear it if you have any insight on that.
Thanks again,
Jane
> Use JDK ServiceLoader mechanism to find FileSystem implementations
> ------------------------------------------------------------------
>
> Key: HADOOP-7549
> URL: https://issues.apache.org/jira/browse/HADOOP-7549
> Project: Hadoop Common
> Issue Type: Improvement
> Components: fs
> Affects Versions: 0.23.0
> Reporter: Alejandro Abdelnur
> Assignee: Alejandro Abdelnur
> Fix For: 2.0.0-alpha
>
> Attachments: HADOOP-7549v1.patch, HADOOP-7549v2.patch,
> HADOOP-7549v3.patch
>
>
> Currently configuring FileSystem implementations must be done by declaring
> the FileSystem class in the Hadoop configuration files (core-default.xml,
> ...).
> Using JDK ServiceLoader mechanism this configuration step can be avoided.
> Adding the JAR file with the additional FileSystem implementation would
> suffice.
> This is similar to what is being proposed for compression codecs
> (HADOOP-7350).
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