GitHub user luogankun opened a pull request:
https://github.com/apache/spark/pull/4033
[SPARK-5239][CORE]JdbcRDD throws "java.lang.AbstractMethodError:
oracle.jdbc.driver.xxxxxx.isClosed()Z"
`rs.isClosed()` will throws:
```
Exception in thread "main" java.lang.AbstractMethodError:
oracle.jdbc.driver.OracleResultSetImpl.isClosed()Z
```
Similarly,`stmt.isClosed()` will throws
```
Exception in thread "main" java.lang.AbstractMethodError:
oracle.jdbc.driver.T4CPreparedStatement.isClosed()Z
```
Above exception is throwing because "isClosed()" is not implemented in the
"OracleResultSetImpl" class which implements the ResultSet Interface in
Ojdbc14.jar, I think use below condition to check whether resultset is null or
not is enough
```
if (null != rs) {
rs.close()
}
```
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/luogankun/spark SPARK-5239
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/4033.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #4033
----
commit d8c61d648208cd7b8f7b37d3b615d895e7857771
Author: luogankun <[email protected]>
Date: 2015-01-14T06:13:40Z
[SPARK-5239][CORE]JdbcRDD throws 'java.lang.AbstractMethodError:
oracle.jdbc.driver.xxxxxx.isClosed()Z'
----
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