[jira] [Created] (NUTCH-2429) Fix Plugin System to allow protocol plugins to bundle their URLStreamHandlers

["Hiran Chaudhuri (JIRA)" <ji...@apache.org>]

Hiran Chaudhuri created NUTCH-2429:
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             Summary: Fix Plugin System to allow protocol plugins to bundle their URLStreamHandlers
                 Key: NUTCH-2429
                 URL: https://issues.apache.org/jira/browse/NUTCH-2429
             Project: Nutch
          Issue Type: Improvement
          Components: commoncrawl
    Affects Versions: 1.14
         Environment: Tested on both Nutch 1.13 and 1.14 in Ubuntu Linux with OpenJDK 1.8.

            Reporter: Hiran Chaudhuri


While trying to use the protocol-smb plugin (which is not part of the Nutch distribution) I realized there are four steps to successfully make use of a protocol plugin:

1 - put the artifact into the plugins directory
2 - modify Nutch configuration files to allow smb:// urls plus include the plugin to the loaded list
3 - extract jcifs.jar and place it on the system classpath
4 - run nutch with the correct system property

While steps 1 and 2 seem obvious, 3 and 4 require knowledge of plugin internals which does not feel right for nutch and plugin users. Even more, the jcifs.jar would exist twice on the classpath and could even cause further problems during runtime.



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