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From "Michael Armbrust (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AVRO-873) SpecificDatumReader should allow users to specify the ClassLoader used.
Date Wed, 10 Aug 2011 02:57:27 GMT
SpecificDatumReader should allow users to specify the ClassLoader used.
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                 Key: AVRO-873
                 URL: https://issues.apache.org/jira/browse/AVRO-873
             Project: Avro
          Issue Type: Improvement
          Components: java
            Reporter: Michael Armbrust


Right now SpecificData resolves classes for SpecificRecords by calling Class.forName(), which
uses the ClassLoader used to load the SpecificData class. I believe this makes it impossible
to deserialize into SpecificRecords that are loaded using a different ClassLoader.

One relatively simple way to fix this limitations involves:
* Adding a constructor to SpecificData that allows the user to specify a ClassLoader.
* Changing the current protected constructor of SpecificDatumReader that takes a SpecificData
to be public instead of protected.
* Changing SpecificDatumReader to actually use the SpecificData that is passed into the constructor.

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