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http://opensource.atlassian.com/projects/hibernate/browse/HHH-2159?page=c...
]
Andy Dale commented on HHH-2159:
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Ok, i have figured out the one of the entries that is iterated through in the method
private FromElement findIntendedAliasedFromElementBasedOnCrazyJPARequirements(String
specifiedAlias) {
//System.out.println("SpecAlias was: " + specifiedAlias);
Iterator itr = fromElementByClassAlias.entrySet().iterator();
System.out.println("Iterator (FromElement): " + itr.toString());
while ( itr.hasNext() ) {
Map.Entry entry = ( Map.Entry ) itr.next();
String alias = ( String ) entry.getKey();
System.out.println("Alias = " + alias);
if ( alias.equalsIgnoreCase( specifiedAlias ) ) {
System.out.println("Return value: " +
entry.getValue());
return ( FromElement ) entry.getValue();
}
}
return null;
}
This is the cause of all the problems i was having, putting the call to this method from
within the containsClassAlias method in a try catch block solves this problem. I
don't think i will have the time to find the underlying cause of this problem (where
the map is populated).
If you need anymore info please get in touch
Andy
Query that previously worked in 3.2.0CR2 does not work anymore
---------------------------------------------------------------
Key: HHH-2159
URL:
http://opensource.atlassian.com/projects/hibernate/browse/HHH-2159
Project: Hibernate3
Type: Bug
Versions: 3.2.0.ga
Environment: hibernate 3.2.0GA, PostgreSQL 8.1.4 (using build 407 of the JDBC driver).
JDK 1.5.0_06, JBoss 4.0.4GA, Operating system is Fedora Core 5
Reporter: Andy Dale
Attachments: hibernate_testcase.tar.gz
First off i do not know if this bug belongs to the Hibernate3(core) or Hibernate
EntityManger branch, but have entered it against core because that is where the exception
occurs (in
org.hibernate.hql.ast.tree.FromClause.findIntendedAliasedFromElementBasedOnCrazyJPARequirements).
I have a relativley simple entity setup up to test a proof of concept. Persisting the
data to the database is not a problem in the new version 3.2.0.GA, but the problems occurs
when trying to perform a query on the persisted data, the very same query works with
3.2.0CR2 but gives a nullPointException in 3.2.0GA.
I have attached the java source for the entities + session bean (in
hibernate_testcase.tar.gz/entities file) and the java class (in
hibernate_testcase.tar.gz/service file) that is used to persist and query the data, and
because this was only meant to be a proof of concept i have also included the .ear archive
as apart from the entity definitions and session bean the only other thing it contains is
a JBoss .sar archive which calls the static persist and query methods in the session bean
(service test.testcase). Please note to use the .ear archive you need a datasource called
Postgres_Test
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