Hello
I am using NetBeans 5.5 and database is Oracle 9i.
There are two tables in my database
1. Department
Long DEPTID
VARCHAR DEPTNAME
2. Employee
Long EMPID
VARCHAR EMPNAME
LONG DEPTID
In the entity Department, I have:
| @OneToMany(cascade = CascadeType.ALL, mappedBy="department")
| private Set<Employee> empCollection;
|
| public Set<Employee> getEmployeeCollection() {
| return this.empCollection;
| }
|
| public void setEmployeeCollection(Set<Employee> empCollection) {
| this.empCollection= empCollection;
| }
|
|
In the Employee entity, I have
| @ManyToOne
| @JoinColumn(name = "DEPTID", referencedColumnName = "DEPTID", nullable=
false)
| private Department department;
|
| public Department getDepartment() {
| return this.department;
| }
|
| public void setDepartment(Department department) {
| this.department = department;
| }
|
|
In my Stateful session, I have:
| public Long addEmployee(Long deptID, String empName) throws Exception
| {
| Department dept = em.find(Department.class, deptID);
| Employee empl = new Employee();
| empl.setName(empName);
| empl.setDepartment(dept);
| dept.getEmployeeCollection().add(empl);
| em.persist(empl);
| return empl.getEmpID();
| }
|
In the Client application having the main method if I call the addEmployee
method once, it works fine. But if i call this method in a loop then it works
once or twice and after that i start getting the following exception:
| java.lang.RuntimeException: org.jboss.tm.JBossRollbackException: Unable to
commit, tx=TransactionImpl:XidImpl[FormatId=257, GlobalId=shaheen/22,
BranchQual=, localId=22] status=STATUS_NO_TRANSACTION; - nested throwable:
(javax.persistence.EntityExistsException:
org.hibernate.exception.ConstraintViolationException: Could not execute JDBC
batch update)
| at
org.jboss.aspects.tx.TxPolicy.handleEndTransactionException(TxPolicy.java:198)
| at org.jboss.aspects.tx.TxPolicy.endTransaction(TxPolicy.java:180)
| at org.jboss.aspects.tx.TxPolicy.invokeInOurTx(TxPolicy.java:87)
| at
org.jboss.aspects.tx.TxInterceptor$Required.invoke(TxInterceptor.java:197)
| at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at
org.jboss.aspects.tx.TxPropagationInterceptor.invoke(TxPropagationInterceptor.java:76)
| at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at
org.jboss.ejb3.stateful.StatefulInstanceInterceptor.invoke(StatefulInstanceInterceptor.java:81)
| at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at
org.jboss.aspects.security.AuthenticationInterceptor.invoke(AuthenticationInterceptor.java:78)
| at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at
org.jboss.ejb3.ENCPropagationInterceptor.invoke(ENCPropagationInterceptor.java:47)
| at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at
org.jboss.ejb3.asynchronous.AsynchronousInterceptor.invoke(AsynchronousInterceptor.java:106)
| at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at
org.jboss.ejb3.stateful.StatefulContainer.dynamicInvoke(StatefulContainer.java:297)
| at org.jboss.aop.Dispatcher.invoke(Dispatcher.java:106)
| at
org.jboss.aspects.remoting.AOPRemotingInvocationHandler.invoke(AOPRemotingInvocationHandler.java:82)
| at org.jboss.remoting.ServerInvoker.invoke(ServerInvoker.java:828)
| at org.jboss.remoting.ServerInvoker.invoke(ServerInvoker.java:681)
| at
org.jboss.remoting.transport.socket.ServerThread.processInvocation(ServerThread.java:358)
| at
org.jboss.remoting.transport.socket.ServerThread.dorun(ServerThread.java:412)
| at
org.jboss.remoting.transport.socket.ServerThread.run(ServerThread.java:239)
| at
org.jboss.remoting.RemoteClientInvoker.invoke(RemoteClientInvoker.java:190)
| at org.jboss.remoting.Client.invoke(Client.java:525)
| at org.jboss.remoting.Client.invoke(Client.java:488)
| at
org.jboss.aspects.remoting.InvokeRemoteInterceptor.invoke(InvokeRemoteInterceptor.java:55)
| at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at
org.jboss.aspects.tx.ClientTxPropagationInterceptor.invoke(ClientTxPropagationInterceptor.java:61)
| at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at
org.jboss.aspects.security.SecurityClientInterceptor.invoke(SecurityClientInterceptor.java:55)
| at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at
org.jboss.ejb3.remoting.IsLocalInterceptor.invoke(IsLocalInterceptor.java:78)
| at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at
org.jboss.ejb3.stateful.StatefulRemoteProxy.invoke(StatefulRemoteProxy.java:133)
| at $Proxy1.addEmployee(Unknown Source)
| at app.Main.main(Main.java:43)
| Caused by: org.jboss.tm.JBossRollbackException: Unable to commit,
tx=TransactionImpl:XidImpl[FormatId=257, GlobalId=shaheen/22, BranchQual=,
localId=22] status=STATUS_NO_TRANSACTION; - nested throwable:
(javax.persistence.EntityExistsException:
org.hibernate.exception.ConstraintViolationException: Could not execute JDBC
batch update)
| at org.jboss.tm.TransactionImpl.commit(TransactionImpl.java:372)
| at org.jboss.tm.TxManager.commit(TxManager.java:240)
| at org.jboss.aspects.tx.TxPolicy.endTransaction(TxPolicy.java:175)
| at org.jboss.aspects.tx.TxPolicy.invokeInOurTx(TxPolicy.java:87)
| at
org.jboss.aspects.tx.TxInterceptor$Required.invoke(TxInterceptor.java:197)
| at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at
org.jboss.aspects.tx.TxPropagationInterceptor.invoke(TxPropagationInterceptor.java:76)
| at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at
org.jboss.ejb3.stateful.StatefulInstanceInterceptor.invoke(StatefulInstanceInterceptor.java:81)
| at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at
org.jboss.aspects.security.AuthenticationInterceptor.invoke(AuthenticationInterceptor.java:78)
| at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at
org.jboss.ejb3.ENCPropagationInterceptor.invoke(ENCPropagationInterceptor.java:47)
| at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at
org.jboss.ejb3.asynchronous.AsynchronousInterceptor.invoke(AsynchronousInterceptor.java:106)
| at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at
org.jboss.ejb3.stateful.StatefulContainer.dynamicInvoke(StatefulContainer.java:297)
| at org.jboss.aop.Dispatcher.invoke(Dispatcher.java:106)
| at
org.jboss.aspects.remoting.AOPRemotingInvocationHandler.invoke(AOPRemotingInvocationHandler.java:82)
| at org.jboss.remoting.ServerInvoker.invoke(ServerInvoker.java:828)
| at org.jboss.remoting.ServerInvoker.invoke(ServerInvoker.java:681)
| at
org.jboss.remoting.transport.socket.ServerThread.processInvocation(ServerThread.java:358)
| at
org.jboss.remoting.transport.socket.ServerThread.dorun(ServerThread.java:412)
| at
org.jboss.remoting.transport.socket.ServerThread.run(ServerThread.java:239)
| Caused by: java.sql.BatchUpdateException: ORA-02291: integrity constraint
(TESTDEV.FK_DEPARTMENT_EMPLOYEE) violated - parent key not found
|
| at
oracle.jdbc.dbaccess.DBError.throwBatchUpdateException(DBError.java:458)
| at
oracle.jdbc.driver.OraclePreparedStatement.executeBatch(OraclePreparedStatement.java:3907)
| at
org.jboss.resource.adapter.jdbc.WrappedStatement.executeBatch(WrappedStatement.java:517)
| at
org.hibernate.jdbc.BatchingBatcher.doExecuteBatch(BatchingBatcher.java:58)
| at
org.hibernate.jdbc.AbstractBatcher.executeBatch(AbstractBatcher.java:242)
| ... 33 more
|
I have a container managed EntityManager in my session, maybe it is a
transaction problem? The exception also says that parent key not found but the
parent key exists in the database. Please help, I cannot find a solution.
Thanks
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