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From "Andreas Korneliussen (JIRA)" <derby-...@db.apache.org>
Subject [jira] Updated: (DERBY-1177) updateObject with null as argument causes network driver to fail with NullPointerException
Date Wed, 05 Apr 2006 12:46:15 GMT
     [ http://issues.apache.org/jira/browse/DERBY-1177?page=all ]

Andreas Korneliussen updated DERBY-1177:

    Attachment: DERBY-1177v2.diff

Updated the patch to address the comments.

1: Fixed updatableResultSet.java. It will now always print Got UNexpected exception if the
bug reappears.
2: This bug is caused by the same logic: if the ResultSet is not of type TYPE_SCROLL_SENSITIVE,
rs.getObject(..) and rs.wasNull(..) behaves
incorrect after updateNull() and updateObject(.., null). Fixed the bug, and updated the UpdateXXXTest
to detect it.

I have run lang/updatableResultSet.java and jdbcapi/UpdateXXXTest.junit in both embedded and
DerbyNetClient to confirm the fix, and I am now running derbyall.

> updateObject with null as argument causes network driver to fail with NullPointerException
> ------------------------------------------------------------------------------------------
>          Key: DERBY-1177
>          URL: http://issues.apache.org/jira/browse/DERBY-1177
>      Project: Derby
>         Type: Bug

>   Components: Network Client
>     Versions:
>     Reporter: Andreas Korneliussen
>     Assignee: Andreas Korneliussen
>     Priority: Minor
>  Attachments: DERBY-1177.diff, DERBY-1177.stat, DERBY-1177v2.diff, DERBY-1177v2.stat,
UpdateXXXTest.java, derbyall_report.txt
> Calling ResultSet.updateObject(column, object) causes the network driver to give NullPointerException
if the object parameter is null.
> Stack trace from test:
> Test output:
> ........E.
> Time: 7.597
> There was 1 error:
> 1) testUpdateObjectWithNull(org.apache.derbyTesting.functionTests.tests.jdbcapi.UpdateXXXTest)java.lang.NullPointerException
>         at org.apache.derby.client.am.CrossConverters.setObject(CrossConverters.java:845)
>         at org.apache.derby.client.am.ResultSet.updateObject(ResultSet.java:3073)
>         at org.apache.derbyTesting.functionTests.tests.jdbcapi.UpdateXXXTest.testUpdateObjectWithNull(UpdateXXXTest.java:215)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> Will attach the test.
> To run:
> java -Dframework=DerbyNetClient org.apache.derbyTesting.functionTests.harness.RunTest
> The test does not fail with the embedded framework.

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