[hibernate-issues] [Hibernate-JIRA] Created: (HHH-5195) FilterImpl.validate() throws NullPointerExeption at line 164
FilterImpl.validate() throws NullPointerExeption at line 164
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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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