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Convert SDO_GEOMETRY to JGeometry -- Problem

Hi,
I try to convert a SDO_GEOMETRY to JGeometry object in my Oracle CEP Applications but i have errors.
I try to do this :


DriverManager.registerDriver(new oracle.jdbc.driver.OracleDriver());
Connection aConnection = DriverManager.getConnection(databaseUrl, databaseUser, databasePassword);
java.sql.Statement instruc = aConnection.createStatement();
ResultSet RS=null;

RS = instruc.executeQuery("select * from TAB_REALTIME_POS_VEHICLES");
while(RS.next())
{
String id = RS.getObject(1).toString();
STRUCT st = (STRUCT) RS.getObject(2);
JGeometry geom = JGeometry.load(st); ----> the error comes from this line
}
And here the errors :

commonj.work.WorkException: java.lang.LinkageError: Class oracle/sql/STRUCT violates loader constraints
at weblogic.work.commonj.CommonjWorkManagerImpl$WorkStatus.setThrowable(CommonjWorkManagerImpl.java:268)
at weblogic.work.commonj.CommonjWorkManagerImpl$WorkWithListener.run(CommonjWorkManagerImpl.java:206)
at weblogic.work.SelfTuningWorkManagerImpl$WorkAdapterImpl.run(SelfTuningWorkManagerImpl.java:545)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:256)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:221)
Caused By: java.lang.LinkageError: Class oracle/sql/STRUCT violates loader constraints
at com.bea.wlevs.adapter.example.helloworld.HelloWorldAdapter.run(HelloWorldAdapter.java:96)
at com.bea.wlevs.adapter.example.helloworld.HelloWorldAdapter$$FastClassByCGLIB$$1287de2.invoke(<generated>)
at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:149)
at org.springframework.aop.framework.Cglib2AopProxy$CglibMethodInvocation.invokeJoinpoint(Cglib2AopProxy.java:700)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:149)
at com.bea.wlevs.ede.impl.EventManagerAccessorProxy.invoke(EventManagerAccessorProxy.java:30)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
at com.bea.wlevs.ede.impl.EventBeanProxy.invoke(EventBeanProxy.java:38)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
at org.springframework.aop.framework.Cglib2AopProxy$DynamicAdvisedInterceptor.intercept(Cglib2AopProxy.java:635)
at com.bea.wlevs.adapter.example.helloworld.HelloWorldAdapter$$EnhancerByCGLIB$$3cd1d38e.run(<generated>)
at com.bea.wlevs.spring.RunnableBeanPostProcessor$RunnableWrapper.run(RunnableBeanPostProcessor.java:117)
at weblogic.work.commonj.CommonjWorkManagerImpl$WorkWithListener.run(CommonjWorkManagerImpl.java:204)
at weblogic.work.SelfTuningWorkManagerImpl$WorkAdapterImpl.run(SelfTuningWorkManagerImpl.java:545)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:256)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:221)

Any Idea ?

Thanks.
This discussion has been closed.