[ http://issues.apache.org/jira/browse/DERBY-350?page=all ]
Bernt M. Johnsen closed DERBY-350:
----------------------------------
Resolution: Duplicate
Duplicate of DERBY-276. The proposed patch for 276 missed the fact that
according to JDBC spec, isBeforeFirst() and isAfterLast() both should return
false when the result set is empty.
> NPE when relative() is called for empty ResultSet
> -------------------------------------------------
>
> Key: DERBY-350
> URL: http://issues.apache.org/jira/browse/DERBY-350
> Project: Derby
> Type: Bug
> Components: JDBC
> Reporter: Bernt M. Johnsen
> Assignee: Bernt M. Johnsen
> Priority: Minor
>
> relative fails with NPE when ResultSet is empty
> java.lang.NullPointerException
> at
> org.apache.derby.impl.sql.execute.ScrollInsensitiveResultSet.getRowFromHashTable(ScrollInsensitiveResultSet.java:915)
> at
> org.apache.derby.impl.sql.execute.ScrollInsensitiveResultSet.getRelativeRow(ScrollInsensitiveResultSet.java:340)
> at
> org.apache.derby.impl.jdbc.EmbedResultSet.movePosition(EmbedResultSet.java:366)
> Sane:
> org.apache.derby.iapi.services.sanity.AssertFailure: ASSERT FAILED
> hashRowArray expected to be non-null
> at
> org.apache.derby.iapi.services.sanity.SanityManager.ASSERT(SanityManager.java:121)
> at
> org.apache.derby.impl.sql.execute.ScrollInsensitiveResultSet.getRowFromHashTable(ScrollInsensitiveResultSet.java:911)
> at
> org.apache.derby.impl.sql.execute.ScrollInsensitiveResultSet.getRelativeRow(ScrollInsensitiveResultSet.java:340)
> at
> org.apache.derby.impl.jdbc.EmbedResultSet.movePosition(EmbedResultSet.java:366)
> at
> org.apache.derby.impl.jdbc.EmbedResultSet.relative(EmbedResultSet.java:1840)
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