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Posted to hdfs-dev@hadoop.apache.org by "Haohui Mai (JIRA)" <ji...@apache.org> on 2014/10/08 07:54:33 UTC

[jira] [Created] (HDFS-7207) libhdfs3 should not expose exceptions in public API

Haohui Mai created HDFS-7207:
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             Summary: libhdfs3 should not expose exceptions in public API
                 Key: HDFS-7207
                 URL: https://issues.apache.org/jira/browse/HDFS-7207
             Project: Hadoop HDFS
          Issue Type: Bug
            Reporter: Haohui Mai
            Priority: Blocker


There are three major disadvantages of exposing exceptions in the public API:

* Exposing exceptions in public APIs forces the downstream users to be compiled with {{-fexceptions}}, which might be infeasible in many use cases.
* It forces other bindings to properly handle all C++ exceptions, which might be infeasible especially when the binding is generated by tools like SWIG.
* It forces the downstream users to properly handle all C++ exceptions, which can be cumbersome as in certain cases it will lead to undefined behavior (e.g., throwing an exception in a destructor is undefined.)





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