[jira] [Created] (HIVE-19263) Improve ugly exception handling in HiveMetaStore

["Igor Kryvenko (JIRA)" <ji...@apache.org>]

Igor Kryvenko created HIVE-19263:
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             Summary: Improve ugly exception handling in HiveMetaStore
                 Key: HIVE-19263
                 URL: https://issues.apache.org/jira/browse/HIVE-19263
             Project: Hive
          Issue Type: Improvement
          Components: Standalone Metastore
            Reporter: Igor Kryvenko
            Assignee: Igor Kryvenko


In {{HiveMetaStore}} class we have a lot of  ugly exception handling code using which use {{instanceof}}
{code:java}
 catch (Exception e) {
        ex = e;
        if (e instanceof MetaException) {
          throw (MetaException) e;
        } else if (e instanceof InvalidObjectException) {
          throw (InvalidObjectException) e;
        } else if (e instanceof AlreadyExistsException) {
          throw (AlreadyExistsException) e;
        } else {
          throw newMetaException(e);
        }
{code}



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