[hibernate-issues] [Hibernate-JIRA] Commented: (HHH-5195) FilterImpl.validate() throws NullPointerExeption at line 164
Gail Badner (JIRA)
noreply at atlassian.com
Wed May 5 12:55:05 EDT 2010
[ http://opensource.atlassian.com/projects/hibernate/browse/HHH-5195?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=36917#action_36917 ]
Gail Badner commented on HHH-5195:
----------------------------------
Please do the following:
- svn co http://anonsvn.jboss.org/repos/hibernate/core/trunk/
- update an existing test or add a new test to testsuite/src/test/java/org/hibernate/test/nonflushedchanges/ to reproduce your issue(tests in this package serialize/deserialize a session)
- attach a patch with the updated/added unit test using svn diff
- attach a patch with your fix using svn diff
Thanks,
Gail
> FilterImpl.validate() throws NullPointerExeption at line 164
> ------------------------------------------------------------
>
> Key: HHH-5195
> URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-5195
> Project: Hibernate Core
> Issue Type: Bug
> Components: core
> Affects Versions: 3.5.1
> Environment: hibernate-distribution-3.5.1-Final-dist
> Reporter: Savochkin Alexander
>
> After deserialization NPE is thrown at this line
> FilterImpl
> {code}
> line:164
> Iterator itr = definition.getParameterNames().iterator();
> {code}
> the last lines from stack trace are:
> {code}
> java.lang.NullPointerException
> at org.hibernate.impl.FilterImpl.validate(FilterImpl.java:164)
> at org.hibernate.engine.LoadQueryInfluencers.getEnabledFilters(LoadQueryInfluencers.java:109)
> at org.hibernate.impl.SessionImpl.readObject(SessionImpl.java:2144)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:48)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37)
> at java.lang.reflect.Method.invoke(Method.java:600)
> at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:986)
> at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1865)
> at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1769)
> at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1345)
> at java.io.ObjectInputStream.readObject(ObjectInputStream.java:364)
> {code}
> Looking at SessionImpl class we see:
> {code}
> line 2143:
> Iterator iter = loadQueryInfluencers.getEnabledFilters().values().iterator();
> while ( iter.hasNext() ) {
> ( ( FilterImpl ) iter.next() ).afterDeserialize( factory );
> }
> {code}
> LoadQueryInfluencers:
> {code}
> line:105
> Iterator itr = enabledFilters.values().iterator();
> while ( itr.hasNext() ) {
> final Filter filter = ( Filter ) itr.next();
> filter.validate();
> }
> {code}
> So, afterDeserialization() on enabled filters method is invoked AFTER getEnabledFilters() method is.
> It seems to be the reason why the private TRANSIENT field "definition" of every filter is null at the moment of filter validation!
> "definition" field is supposed to be initialized only after validate() is called.
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