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null pointer exception at org.hibernate.tuple.AbstractEntityTuplizer.createProxy

开发者 https://www.devze.com 2022-12-22 14:17 出处：网络
I am using hibernate 3.2 with struts 1.2 framework here is the details of versions hibenate3.2,asm-2.2.3,cglib-2.1.3
相关专题：orm

I am using hibernate 3.2 with struts 1.2 framework here is the details of versions hibenate3.2,asm-2.2.3,cglib-2.1.3 I got this exception when i m trying to load the object

I am using this code to load the object

public Currentprofile findById(java.lang.String id) {
    log.debug("getting Currentprofile instance with id: " + id);
    try {
        Currentprofile instance = (Currentprofile) getSession().get(
            "com.hibermappings.Currentprofile", id);
        return instance;
    } catch (RuntimeException re) {
        log.error("get failed", re);
        throw re;
    }
}

My hbm file is this

<hibernate-mapping>
    <class name="com.hibermappings.Currentprofile" table="currentprofile" catalog="naukrionphone">
    <id name="jobseekerId" type="java.lang.String">
        <column name="jobseekerId" length="50" />
        <generator class="assigned" />
    </id>

    <one-to-one name="referenceDb" lazy="proxy" class="com.hibermappings.ReferenceDb" cascade="all" constrained="false" /> 
    <one-to-one name="registration" lazy="proxy" class="com.hibermappings.Registration" cascade="all" constrained="false" /> 
    <one-to-one name="jobseekerpackagedetails" lazy="proxy" class="com.hibermappings.Jobseekerpackagedetails" cascade="all" constrained="false" /> 

    <property name="keyWords" type="java.lang.String">
        <column name="keyWords" length="5000" />
    </property>
    <property name="totalExp" type="java.lang.String">
        <column name="totalExp" length="100" />
    </property>
    <property name="hqualification" type="java.lang.String">
        <column name="hQualification" length="100" />
    </property>
    <property name="preferedLocation" type="java.lang.String">
        <column name="preferedLocation" length="100" />
    </property>
    <property name="functionalArea" type="java.lang.String">
        <column name="functionalArea" length="1000" />
    </property>
    <property name="expSalary" type="java.lang.String">
        <column name="expSalary" length="100" />
    </property>
    <property name="designation" type="java.lang.String">
        <column name="designation" length="100" />
    </property>
    <property name="resumeTitle" type="java.lang.String">
        <column name="resumeTitle" length="500" />
    </property>
    <property name="profileDetails" type="java.lang.String">
        <column name="profileDetails" length="65535" />
    </property>
    <property name="requiredProfile" type="java.lang.String">
        <column name="requiredProfile" length="65535" />
    </property>
    <property name="activatedOn" type="java.util.Date">
        <column name="activatedOn" length="0" />
    </property>

    <set name="resumes" inverse="true" cascade="save-update">
        <key>
            <column name="jobseekerId" length="50" />
        </key>
        <one-to-many class="com.hibermappings.Resume" />
    </set>

</class>
</hibernate-mapping>

the same code runs well when I m using in a simple java class within main method ..

full stack trace of exception is 

java.lang.NullPointerException
 at org.hibernate.tuple.AbstractEntityTuplizer.createProxy(AbstractEntityTuplizer.java:372)
 at org.hibernate.persister.entity.AbstractEntityPersister.createProxy(AbstractEntityPersister.java:3121)
 at org.hibernate.event.def.DefaultLoadEventListener.createProxyIfNecessary(DefaultLoadEventListener.java:232)
 at org.hibernate.event.def.DefaultLoadEventListener.proxyOrLoad(DefaultLoadEventListener.java:173)
 at org.hibernate.event.def.DefaultLoadEventListener.onLoad(DefaultLoadEventListener.java:87)
 at org.hibernate.impl.SessionImpl.fireLoad(SessionImpl.java:862)
 at org.hibernate.impl.SessionImpl.load(SessionImpl.java:781)
 at org.hibernate.impl.SessionImpl.load(SessionImpl.java:774)
 at com.DAOs.CurrentprofileDAO.getLoad(CurrentprofileDAO.java:71)
 at com.action.JobSekeerManage.viewProfile(JobSekeerManage.java:447)
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
 at java.lang.reflect.Method.invoke(Method.java:585)
 at org.apache.struts.actions.DispatchAction.dispatchMethod(DispatchAction.java:270)
 at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:187)
 at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)
 at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)
 at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)
 at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:237)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
 at com.filter.HibernateFilter.doFilter(HibernateFilter.java:24)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:186)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
 at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214)
 at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
 at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
 at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
 at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
 at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
 at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:825)
 at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:731)
 at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:526)
 at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
 at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
 at java.lang.Thread.run(Thread.java:595)
Error::null

In my Log file I got this type of exception..

INFO - building session factory
WARN - No configuration found. Configuring ehcache from ehcache-failsafe.xml found in the classpath: jar:file:/C:/Program%20Files/Apache%20Software%20Foundation/Tomcat%205.5/webapps/NewNaukriOnPhone/WEB-INF/lib/ehcache-1.1.jar!/ehcache-failsafe.xml
ERROR - CGLIB Enhancement failed: com.hibermappings.ReferenceDb
java.lang.NoSuchMethodError: org.objectweb.asm.ClassVisitor.visit(IILjava/lang/String;Ljava/lang/String;[Ljava/lang/String;Ljava/lang/String;)V
 at net.sf.cglib.core.ClassEmitter.begin_class(ClassEmitter.java:77)
 at net.sf.cglib.core.KeyFactory$Generator.generateClass(KeyFactory.java:173)
 at net.sf.cglib.core.DefaultGeneratorStrategy.generate(DefaultGeneratorStrategy.java:25)
 at net.sf.cglib.core.AbstractClassGenerator.create(AbstractClassGenerator.java:216)
 at net.sf.cglib.core.KeyFactory$Generator.create(KeyFactory.java:145)
 at net.sf.cglib.core.KeyFactory.create(KeyFactory.java:117)
 at net.sf.cglib.core.KeyFactory.create(KeyFactory.java:108)
 at net.sf.cglib.core.KeyFactory.create(KeyFactory.java:104)
 at net.sf.cglib.proxy.Enhancer.(Enhancer.java:69)
 at org.hibernate.proxy.CGLIBLazyInitializer.getProxyFactory(CGLIBLazyInitializer.java:116)
 at org.hibernate.proxy.CGLIBProxyFactory.postInstantiate(CGLIBProxyFactory.java:41)
 at org.hibernate.tuple.PojoEntityTuplizer.buildProxyFactory(PojoEntityTuplizer.java:161)
 at org.hibernate.tuple.AbstractEntityTuplizer.(AbstractEntityTuplizer.java:131)
 at org.hibernate.tuple.PojoEntityTuplizer.(PojoEntityTuplizer.java:55)
 at org.hibernate.tuple.TuplizerLookup.create(TuplizerLookup.java:64)
 at org.hibernate.tuple.EntityMetamodel.(EntityMetamodel.java:257)
 at org.hibernate.persister.entity.AbstractEntityPersister.(AbstractEntityPersister.java:412)
 at org.hibernate.persister.entity.SingleTableEntityPersister.(SingleTableEntityPersister.java:108)
 at org.hibernate.persister.PersisterFactory.createClassPersister(PersisterFactory.java:55)
 at org.hibernate.impl.SessionFactoryImpl.(SessionFactoryImpl.java:216)
 at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1176)
 at com.HibernateSessionFactory.rebuildSessionFactory(HibernateSessionFactory.java:66)
 at com.HibernateSessionFactory.getSession(HibernateSessionFactory.java:49)
 at com.DAOs.BaseHibernateDAO.getSession(BaseHibernateDAO.java:15)
 at com.DAOs.PostedprofileDAO.findByProperty(PostedprofileDAO.java:84)
 at com.admin.SendProfileAction.viewProfile(SendProfileAction.java:309)
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
 at java.lang.reflect.Method.invoke(Method.java:585)
 at org.apache.struts.actions.DispatchAction.dispatchMethod(DispatchAction.java:270)
 at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:187)
 at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)
 at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)
 at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)
 at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:237)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
 at com.filter.HibernateFilter.doFilter(HibernateFilter.java:24)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:186)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
 at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214)
 at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
 at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
 at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
 at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
 at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
 at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:825)
 at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:731)
 at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:526)
 at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
 at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
 at java.lang.Thread.run(Thread.java:595)
WARN - could not create proxy factory for:com.hibermappings.ReferenceDb
org.hibernate.HibernateException: CGLIB Enhancement failed: com.hibermappings.ReferenceDb
 at org.hibernate.proxy.CGLIBLazyInitializer.getProxyFactory(CGLIBLazyInitializer.java:132)
 at org.hibernate.proxy.CGLIBProxyFactory.postInstantiate(CGLIBProxyFactory.java:41)
 at org.hibernate.tuple.PojoEntityTuplizer.buildProxyFactory(PojoEntityTuplizer.java:161)
 at org.hibernate.tuple.AbstractEntityTuplizer.(AbstractEntityTuplizer.java:131)
 at org.hibernate.tuple.PojoEntityTuplizer.(PojoEntityTuplizer.java:55)
 at org.hibernate.tuple.TuplizerLookup.create(TuplizerLookup.java:64)
 at org.hibernate.tuple.EntityMetamodel.(EntityMetamodel.java:257)
 at org.hibernate.persister.entity.AbstractEntityPersister.(AbstractEntityPersister.java:412)
 at org.hibernate.persister.entity.SingleTableEntityPersister.(SingleTableEntityPersister.java:108)
 at org.hibernate.persister.PersisterFactory.createClassPersister(PersisterFactory.java:55)
 at org.hibernate.impl.SessionFactoryImpl.(SessionFactoryImpl.java:216)
 at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1176)
 at com.HibernateSessionFactory.rebuildSessionFactory(HibernateSessionFactory.java:66)
 at com.HibernateSessionFactory.getSession(HibernateSessionFactory.java:49)
 at com.DAOs.BaseHibernateDAO.getSession(BaseHibernateDAO.java:15)
 at com.DAOs.PostedprofileDAO.findByProperty(PostedprofileDAO.java:84)
 at com.admin.SendProfileAction.viewProfile(SendProfileAction.java:309)
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
 at java.lang.reflect.Method.invoke(Method.java:585)
 at org.apache.struts.actions.DispatchAction.dispatchMethod(DispatchAction.java:270)
 at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:187)
 at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)
 at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)
 at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)
 at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:237)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
 at com.filter.HibernateFilter.doFilter(HibernateFilter.java:24)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:186)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
 at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214)
 at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
 at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
 at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
 at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
 at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
 at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:825)
 at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:731)
 at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:526)
 at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
 at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
 at java.lang.Thread.run(Thread.java:595)
Caused by: java.lang.NoSuchMethodError: org.objectweb.asm.ClassVisitor.visit(IILjava/lang/String;Ljava/lang/String;[Ljava/lang/String;Ljava/lang/String;)V
 at net.sf.cglib.core.ClassEmitter.begin_class(ClassEmitter.java:77)
 at net.sf.cglib.core.KeyFactory$Generator.generateClass(KeyFactory.java:173)
 at net.sf.cglib.core.DefaultGeneratorStrategy.generate(DefaultGeneratorStrategy.java:25)
 at net.sf.cglib.core.AbstractClassGenerator.create(AbstractClassGenerator.java:216)
 at net.sf.cglib.core.KeyFactory$Generator.create(KeyFactory.java:145)
 at net.sf.cglib.core.KeyFactory.create(KeyFactory.java:117)
 at net.sf.cglib.core.KeyFactory.create(KeyFactory.java:108)
 at net.sf.cglib.core.KeyFactory.create(KeyFactory.java:104)
 at net.sf.cglib.proxy.Enhancer.(Enhancer.java:69)
 at org.hibernate.proxy.CGLIBLazyInitializer.getProxyFactory(CGLIBLazyInitializer.java:116)
 ... 45 more
ERROR - CGLIB Enhancement failed: com.hibermappings.Companyprofile
java.lang.NoClassDefFoundError
 at org.hibernate.proxy.CGLIBLazyInitializer.getProxyFactory(CGLIBLazyInitializer.java:116)
 at org.hibernate.proxy.CGLIBProxyFactory.postInstantiate(CGLIBProxyFactory.java:41)
 at org.hibernate.tuple.PojoEntityTuplizer.buildProxyFactory(PojoEntityTuplizer.java:161)
 at org.hibernate.tuple.AbstractEntityTuplizer.(AbstractEntityTuplizer.java:131)
 at org.hibernate.tuple.PojoEntityTuplizer.(PojoEntityTuplizer.java:55)
 at org.hibernate.tuple.TuplizerLookup.create(TuplizerLookup.java:64)
 at org.hibernate.tuple.EntityMetamodel.(EntityMetamodel.java:257)
 at org.hibernate.persister.entity.AbstractEntityPersister.(AbstractEntityPersister.java:412)
 at org.hibernate.persister.entity.SingleTableEntityPersister.(SingleTableEntityPersister.java:108)
 at org.hibernate.persister.PersisterFactory.createClassPersister(PersisterFactory.java:55)
 at org.hibernate.impl.SessionFactoryImpl.(SessionFactoryImpl.java:216)
 at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1176)
 at com.HibernateSessionFactory.rebuildSessionFactory(HibernateSessionFactory.java:66)
 at com.HibernateSessionFactory.getSession(HibernateSessionFactory.java:49)
 at com.DAOs.BaseHibernateDAO.getSession(BaseHibernateDAO.java:15)
 at com.DAOs.PostedprofileDAO.findByProperty(PostedprofileDAO.java:84)
 at com.admin.SendProfileAction.viewProfile(SendProfileAction.java:309)
 at开发者_JAVA技巧 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
 at java.lang.reflect.Method.invoke(Method.java:585)
 at org.apache.struts.actions.DispatchAction.dispatchMethod(DispatchAction.java:270)
 at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:187)
 at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)
 at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)
 at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)
 at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:237)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
 at com.filter.HibernateFilter.doFilter(HibernateFilter.java:24)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:186)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
 at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214)
 at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
 at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
 at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
 at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
 at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
 at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:825)
 at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:731)
 at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:526)
 at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
 at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.ru

here is the details of versions hibenate3.2,asm-2.2.3,cglib-2.1.3

If this works outside the web application, check that your mapping file is well packaged and found when the SessionFactory is created when running in container.

Update: You have a wrong version of ASM on the classpath (at least, not the one expected by CGLIB). What versions of Hibernate, ASM and CGLIB are using exactly? Are you using the JARs that ship with Hibernate? See if the solution given in this thread works for you. Another option would be to switch from CGLIB to Javassist.

Update: You need asm-1.5.3.jar with cglib-2.1.3.jar (or to replace both with cglib-nodep-2.1.3.jar, see HHH-2222). Use the JARs of Hibernate distribution.

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