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mschipperheyn
 Post subject: LazyInitException on Transient Indexed field
PostPosted: Tue Jan 24, 2012 1:09 pm 
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Pro

Joined: Wed Nov 05, 2003 7:22 pm
Posts: 211
Hi,

I'm getting a lazy init exception in the MassIndexer on a field that is marked as
@Transient
@Field(index=Index.NO,store=Store.YES)
public String getLabel(){
return name + this.getRegion().getLabel();//region is @ManyToOne, fetch=FetchType.LAZY
}

I expect it has to do with the fact that the field is Transient but at the same time, the error does surprise me

Code:
org.hibernate.LazyInitializationException: could not initialize proxy - no Session
   at org.hibernate.proxy.AbstractLazyInitializer.initialize(AbstractLazyInitializer.java:167)
   at org.hibernate.proxy.AbstractLazyInitializer.getImplementation(AbstractLazyInitializer.java:215)
   at org.hibernate.proxy.pojo.javassist.JavassistLazyInitializer.invoke(JavassistLazyInitializer.java:190)
   at nl.project.model.Region_$$_javassist_66.getRegionCode(Region_$$_javassist_66.java)
   at nl.project.model.City.getLabel(City.java:319)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
   at java.lang.reflect.Method.invoke(Unknown Source)
   at org.hibernate.annotations.common.reflection.java.JavaXProperty.invoke(JavaXProperty.java:74)
   at org.hibernate.search.util.ReflectionHelper.getMemberValue(ReflectionHelper.java:91)
   at org.hibernate.search.engine.DocumentBuilderIndexedEntity.buildDocumentFields(DocumentBuilderIndexedEntity.java:477)
   at org.hibernate.search.engine.DocumentBuilderIndexedEntity.buildDocumentFields(DocumentBuilderIndexedEntity.java:552)
   at org.hibernate.search.engine.DocumentBuilderIndexedEntity.buildDocumentFields(DocumentBuilderIndexedEntity.java:552)
   at org.hibernate.search.engine.DocumentBuilderIndexedEntity.getDocument(DocumentBuilderIndexedEntity.java:443)
   at org.hibernate.search.engine.DocumentBuilderIndexedEntity.createAddWork(DocumentBuilderIndexedEntity.java:380)
   at org.hibernate.search.batchindexing.EntityConsumerLuceneworkProducer.index(EntityConsumerLuceneworkProducer.java:160)
   at org.hibernate.search.batchindexing.EntityConsumerLuceneworkProducer.indexAllQueue(EntityConsumerLuceneworkProducer.java:128)
   at org.hibernate.search.batchindexing.EntityConsumerLuceneworkProducer.run(EntityConsumerLuceneworkProducer.java:99)
   at org.hibernate.search.batchindexing.OptionallyWrapInJTATransaction.run(OptionallyWrapInJTATransaction.java:107)
   at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
   at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
   at java.lang.Thread.run(Unknown Source)
[MSA] ERROR [2012-01-24 15:07:17,988] EntityConsumerLuceneworkProducer.run(103) | error during batch indexing:
java.lang.IllegalStateException: Could not get property value
   at org.hibernate.search.util.ReflectionHelper.getMemberValue(ReflectionHelper.java:94)
   at org.hibernate.search.engine.DocumentBuilderIndexedEntity.buildDocumentFields(DocumentBuilderIndexedEntity.java:477)
   at org.hibernate.search.engine.DocumentBuilderIndexedEntity.buildDocumentFields(DocumentBuilderIndexedEntity.java:552)
   at org.hibernate.search.engine.DocumentBuilderIndexedEntity.buildDocumentFields(DocumentBuilderIndexedEntity.java:552)
   at org.hibernate.search.engine.DocumentBuilderIndexedEntity.getDocument(DocumentBuilderIndexedEntity.java:443)
   at org.hibernate.search.engine.DocumentBuilderIndexedEntity.createAddWork(DocumentBuilderIndexedEntity.java:380)
   at org.hibernate.search.batchindexing.EntityConsumerLuceneworkProducer.index(EntityConsumerLuceneworkProducer.java:160)
   at org.hibernate.search.batchindexing.EntityConsumerLuceneworkProducer.indexAllQueue(EntityConsumerLuceneworkProducer.java:128)
   at org.hibernate.search.batchindexing.EntityConsumerLuceneworkProducer.run(EntityConsumerLuceneworkProducer.java:99)
   at org.hibernate.search.batchindexing.OptionallyWrapInJTATransaction.run(OptionallyWrapInJTATransaction.java:107)
   at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
   at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
   at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.IllegalStateException: Unable to invoke label
   at org.hibernate.annotations.common.reflection.java.JavaXProperty.invoke(JavaXProperty.java:87)
   at org.hibernate.search.util.ReflectionHelper.getMemberValue(ReflectionHelper.java:91)
   ... 12 more
Caused by: java.lang.reflect.InvocationTargetException
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
   at java.lang.reflect.Method.invoke(Unknown Source)
   at org.hibernate.annotations.common.reflection.java.JavaXProperty.invoke(JavaXProperty.java:74)
   ... 13 more
Caused by: org.hibernate.LazyInitializationException: could not initialize proxy - no Session
   at org.hibernate.proxy.AbstractLazyInitializer.initialize(AbstractLazyInitializer.java:167)
   at org.hibernate.proxy.AbstractLazyInitializer.getImplementation(AbstractLazyInitializer.java:215)
   at org.hibernate.proxy.pojo.javassist.JavassistLazyInitializer.invoke(JavassistLazyInitializer.java:190)


Kind regards,
Marc
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hardy.ferentschik
 Post subject: Re: LazyInitException on Transient Indexed field
PostPosted: Thu Jan 26, 2012 6:42 am 
Hibernate Team
Hibernate Team

Joined: Thu Apr 05, 2007 5:52 am
Posts: 1689
Location: Sweden
Hi,

looking at the stacktrace it looks like getLabel is getting called after the session is closed. Are you sure your session is still open when you make the call?
The transient annotation will ensure that there is no value loaded or stored for this property. I don't think this is a problem in combination with @Field.

--Hardy
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mschipperheyn
 Post subject: Re: LazyInitException on Transient Indexed field
PostPosted: Thu Jan 26, 2012 12:34 pm 
Pro
Pro

Joined: Wed Nov 05, 2003 7:22 pm
Posts: 211
It looks like the Transient aspect was irrelevant. The problem seems related to the use of optional=true in a ManyToOne relation.
I described everything in more detail in this thread:
viewtopic.php?f=9&t=1012487
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