org.hibernate.HibernateException: Unable to instantiate default tuplizer [org.hibernate.tuple.entity.PojoEntityTuplizer]

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This Exception during the maven build in an hibernate based project could come due to various reasons.
Primarily one should look into the complete stack trace. The further exception usually do give clue of the actual problem.

I my case, the stack trace revealed the below issue
Exception in thread "main" org.hibernate.HibernateException: Unable to instantiate default tuplizer [org.hibernate.tuple.entity.PojoEntityTuplizer]
at org.hibernate.tuple.entity.EntityTuplizerFactory.constructTuplizer(EntityTuplizerFactory.java:110)
at org.hibernate.tuple.entity.EntityTuplizerFactory.constructDefaultTuplizer(EntityTuplizerFactory.java:135)
at org.hibernate.tuple.entity.EntityEntityModeToTuplizerMapping.(EntityEntityModeToTuplizerMapping.java:80)
at org.hibernate.tuple.entity.EntityMetamodel.(EntityMetamodel.java:323)
at org.hibernate.persister.entity.AbstractEntityPersister.(AbstractEntityPersister.java:456)
at org.hibernate.persister.entity.SingleTableEntityPersister.(SingleTableEntityPersister.java:131)
at org.hibernate.persister.PersisterFactory.createClassPersister(PersisterFactory.java:84)
at org.hibernate.impl.SessionFactoryImpl.(SessionFactoryImpl.java:267)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1341)
at sample.PopulateMessages.main(PopulateMessages.java:13)
Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
at java.lang.reflect.Constructor.newInstance(Unknown Source)
at org.hibernate.tuple.entity.EntityTuplizerFactory.constructTuplizer(EntityTuplizerFactory.java:107)
... 9 more
Caused by: java.lang.NoClassDefFoundError: javassist/util/proxy/MethodFilter
at org.hibernate.bytecode.javassist.BytecodeProviderImpl.getProxyFactoryFactory(BytecodeProviderImpl.java:49)
at org.hibernate.tuple.entity.PojoEntityTuplizer.buildProxyFactoryInternal(PojoEntityTuplizer.java:208)
at org.hibernate.tuple.entity.PojoEntityTuplizer.buildProxyFactory(PojoEntityTuplizer.java:186)
at org.hibernate.tuple.entity.AbstractEntityTuplizer.(AbstractEntityTuplizer.java:151)
at org.hibernate.tuple.entity.PojoEntityTuplizer.(PojoEntityTuplizer.java:78)
To resolve this, since i am using maven to build, I introduced the dependency on the javassist jar in the pom.xml file.

<dependency>
<groupId>javassist</groupId>
<artifactId>javassist</artifactId>
<version>3.4.GA</version>
</dependency>

This resolved the issue.


Comments

  1. AnonymousMarch 29, 2011 at 10:01 AM

    blablabla

    ReplyDelete
  2. Roshni BasuApril 12, 2011 at 8:26 AM

    I'm not using maven but tried adding javaassist.jar but still getting the same problem.Any other suggestion?

    ReplyDelete
  3. AbhisarMay 12, 2011 at 10:17 AM

    Can you provide more details? Let me know if the problem is still not resolved.

    ReplyDelete
  4. AnonymousJuly 5, 2011 at 6:45 AM

    I had the same problem and javaassist.jar did not help.

    In my case, this happened when getter and setter spellings are not consistent or when such setter/getter did not exist at all.

    For example:
    If you had a member with the name ABC
    and the getter was getMyABC()

    ReplyDelete
  5. AbhisarJuly 5, 2011 at 10:54 PM

    Thanks for adding your views

    ReplyDelete
    Replies
    1. AshuMarch 16, 2012 at 5:49 AM

      add the latest version of asm.jar
      Thanx,
      Ashutosh

      Delete
  6. AnonymousJanuary 19, 2012 at 10:16 AM

    In my case it did help. Although I don't understand this and neither do I get why this is not mentioned in the books you read about Spring/hibernate... Very strange and not at all trustworthy...

    ReplyDelete
  7. AshuMarch 16, 2012 at 5:51 AM

    add the latest version of asm.jar

    Ashutosh

    ReplyDelete
  8. AnonymousAugust 8, 2013 at 3:51 AM

    Hi Mr. Abhi.

    I'm getting error

    org.hibernate.HibernateException: Unable to instantiate default tuplizer [org.hibernate.tuple.entity.PojoEntityTuplizer]


    But here it throws an exception

    org.hibernate.MappingException: component class not found: com.pgapp.comm.InmateId

    Where I changed my class name InmateId as InmateData,

    then why it taking removed class

    Can u pls help me how to resove it..

    This Error caught in Myeclipse



    Thanks


    ReplyDelete
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