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Posted to ojb-dev@db.apache.org by "Armin Waibel (JIRA)" <ji...@apache.org> on 2006/02/03 01:13:04 UTC
[jira] Commented: (OJB-94) NPE when execute query (join via 1:n
reference) on objects using "table-per-subclass"-inheritance
[ http://issues.apache.org/jira/browse/OJB-94?page=comments#action_12365016 ]
Armin Waibel commented on OJB-94:
---------------------------------
Add test
...broker.InheritanceMultipleTableTest#testQuery_2
to reproduce NPE.
> NPE when execute query (join via 1:n reference) on objects using "table-per-subclass"-inheritance
> --------------------------------------------------------------------------------------------------
>
> Key: OJB-94
> URL: http://issues.apache.org/jira/browse/OJB-94
> Project: OJB
> Type: Bug
> Versions: 1.0.4
> Reporter: Armin Waibel
>
> The NPE is caused by SqlQueryStatement.buildSuperJoinTree
> Criteria crit = new Criteria()
> .addEqualTo("name", consortium.getName())
> .addEqualTo("managers.executives.address", name + "_street_12")
> .addEqualTo("managers.name", name + "_Manager");
> Query q = QueryFactory.newQuery(Consortium.class, crit);
> Caused by: java.lang.NullPointerException
> at org.apache.ojb.broker.accesslayer.sql.SqlQueryStatement.buildSuperJoinTree(SqlQueryStatement.java:1798)
> at org.apache.ojb.broker.accesslayer.sql.SqlQueryStatement.getTableAlias(SqlQueryStatement.java:1210)
> at org.apache.ojb.broker.accesslayer.sql.SqlQueryStatement.buildJoinTreeForColumn(SqlQueryStatement.java:1774)
> at org.apache.ojb.broker.accesslayer.sql.SqlQueryStatement.buildJoinTree(SqlQueryStatement.java:1751)
> at org.apache.ojb.broker.accesslayer.sql.SqlQueryStatement.splitCriteria(SqlQueryStatement.java:1855)
> at org.apache.ojb.broker.accesslayer.sql.SqlQueryStatement.<init>(SqlQueryStatement.java:154)
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