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From "Harsh J (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-3414) Exception cast issue in HiveMetaStore.java
Date Wed, 29 Aug 2012 03:49:07 GMT
Harsh J created HIVE-3414:
-----------------------------

             Summary: Exception cast issue in HiveMetaStore.java
                 Key: HIVE-3414
                 URL: https://issues.apache.org/jira/browse/HIVE-3414
             Project: Hive
          Issue Type: Bug
          Components: Metastore
    Affects Versions: 0.8.1
            Reporter: Harsh J
            Priority: Trivial


(This is reading the 0.8 code)

Faulty way of checking for types in HiveMetaStore.java, under the HMSHandler.rename_partition
method:

{code}
1914 } catch (Exception e) { 
1915 assert(e instanceof RuntimeException); 
1916 throw (RuntimeException)e; 
1917 }
{code}

Leads to:

{code}
Caused by: java.lang.ClassCastException: org.apache.hadoop.hive.metastore.api.InvalidOperationException
cannot be cast to java.lang.RuntimeException
        at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.rename_partition(HiveMetaStore.java:1916)
        at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.alter_partition(HiveMetaStore.java:1884)
        at org.apache.hadoop.hive.metastore.HiveMetaStoreClient.alter_partition(HiveMetaStoreClient.java:818)
        at org.apache.hadoop.hive.ql.metadata.Hive.alterPartition(Hive.java:427)
        at org.apache.hadoop.hive.ql.metadata.Hive.getPartition(Hive.java:1464)
        ... 18 more
{code}

When a genuine exception occurs when processing the alter_partition method.

Why do we cast here and not re-throw in a wrapped fashion?

On trunk the similar statements now exist just in createDefaultDB and get_database methods.

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