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HibernateSystemE xception: Illegal attempt to associate a collection with two open sessions

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I am getting following exception, please let me know how to fix it..


org.springframework.orm.hibernate.HibernateSystemE xception: Illegal
attempt to associate a collection with two open sessions; nested
exception is net.sf.hibernate.HibernateException: Illegal attempt to
associate a collection with two open sessions
net.sf.hibernate.HibernateException: Illegal attempt to associate a
collection with two open sessions
at net.sf.hibernate.collection.PersistentCollection.s
etCurrentSession(PersistentCollection.java:257)
at net.sf.hibernate.impl.OnUpdateVisitor.processColle
ction(OnUpdateVisitor.java:38)
at net.sf.hibernate.impl.AbstractVisitor.processValue
(AbstractVisitor.java:69)
at net.sf.hibernate.impl.AbstractVisitor.processValue
s(AbstractVisitor.java:36)
at net.sf.hibernate.impl.AbstractVisitor.process(Abst ractVisitor.java:
91)
at net.sf.hibernate.impl.SessionImpl.doUpdateMutable( SessionImpl.java:
1465)
at net.sf.hibernate.impl.SessionImpl.doUpdate(Session Impl.java:1479)
at net.sf.hibernate.impl.SessionImpl.update(SessionIm pl.java:1364)
at org.springframework.orm.hibernate.HibernateTemplat e
$11.doInHibernate(HibernateTemplate.java:530)
at org.springframework.orm.hibernate.HibernateTemplat
e.execute(HibernateTemplate.java:317)
at org.springframework.orm.hibernate.HibernateTemplat
e.update(HibernateTemplate.java:527)
at org.springframework.orm.hibernate.HibernateTemplat
e.update(HibernateTemplate.java:523)
at com.fmr.eca.dao.hibernate.ExpenseTypeDaoHibernate.
modifyExpenseType(ExpenseTypeDaoHibernate.java:141 )
at junit.com.fmr.eca.dao.hibernate.TestExpenseTypeDao
Hibernate.testModifyExpenseTypes(TestExpenseTypeDa oHibernate.java:
145)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Nativ e Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Native
MethodAccessorImpl.java:79)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(De
legatingMethodAccessorImpl.java:41)
at java.lang.reflect.Method.invoke(Method.java:386)
at junit.framework.TestCase.runTest(TestCase.java:154 )
at junit.framework.TestCase.runBare(TestCase.java:127 )
at junit.framework.TestResult$1.protect(TestResult.ja va:106)
at junit.framework.TestResult.runProtected(TestResult .java:124)
at junit.framework.TestResult.run(TestResult.java:109 )
at junit.framework.TestCase.run(TestCase.java:118)
at junit.framework.TestSuite.runTest(TestSuite.java:2 08)
at junit.framework.TestSuite.run(TestSuite.java:203)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRu
nner.runTests(RemoteTestRunner.java:392)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRu
nner.run(RemoteTestRunner.java:276)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRu
nner.main(RemoteTestRunner.java:167)



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HibernateSystemE xception: Illegal attempt to associate a collection with two open sessions iadb <freeinternetarticles@gmail.com> - 2011-07-17 10:14 -0700

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