[Servlet Error]-[AmsServlet]: java.lang.VerifyError

[Servlet Error]-[AmsServlet]: java.lang.VerifyError: class loading constraint violated (class: $java/sql/PreparedStatement$$EnhancerByCGLIB$$ad3c60ac method: CGLIB$setStructDescriptor$111(ILoracle/sql/StructDescriptor;)V) at pc: 0 at java.lang.J9VMInternals.verifyImpl(Native Method) at java.lang.J9VMInternals.verify(J9VMInternals.java:59) at java.lang.J9VMInternals.initialize(J9VMInternals.java:120) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:64) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:615) at org.logicalcobwebs.cglib.proxy.Enhancer.setCallbacksHelper(Enhancer.java:616) at org.logicalcobwebs.cglib.proxy.Enhancer.setThreadCallbacks(Enhancer.java:609) at org.logicalcobwebs.cglib.proxy.Enhancer.createUsingReflection(Enhancer.java:631) at org.logicalcobwebs.cglib.proxy.Enhancer.firstInstance(Enhancer.java:538) at org.logicalcobwebs.cglib.core.AbstractClassGenerator.create(AbstractClassGenerator.java:225) at org.logicalcobwebs.cglib.proxy.Enhancer.createHelper(Enhancer.java:377) at org.logicalcobwebs.cglib.proxy.Enhancer.create(Enhancer.java:285) at org.logicalcobwebs.proxool.ProxyFactory.getProxy(ProxyFactory.java:78) at org.logicalcobwebs.proxool.ProxyFactory.getStatement(ProxyFactory.java:60) at org.logicalcobwebs.proxool.WrappedConnection.invoke(WrappedConnection.java:196) at org.logicalcobwebs.proxool.WrappedConnection.intercept(WrappedConnection.java:87) at oracle.jdbc.internal.OracleConnection$$EnhancerByCGLIB$$b31896e3.prepareStatement() at pde.ams.database.jdbc.JdbcOracleDao.getFieldValuesHashMap(JdbcOracleDao.java:312) at pde.ams.AmsSession.getAmsSession(AmsSession.java:84) at pde.ams.business.Login.doProcess(Login.java:155) at pde.ams.AmsServlet.doGet(AmsServlet.java:106) at pde.ams.AmsServlet.doPost(AmsServlet.java:45) at javax.servlet.http.HttpServlet.service(HttpServlet.java:763) at javax.servlet.http.HttpServlet.service(HttpServlet.java:856) at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:966) at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:907) at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:145) at pde.ams.filters.AmsFilter.doFilter(AmsFilter.java:70) at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:190) at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:130) at com.ibm.ws.webcontainer.filter.WebAppFilterChain._doFilter(WebAppFilterChain.java:87) at com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter(WebAppFilterManager.java:696) at com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter(WebAppFilterManager.java:641) at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:475) at com.ibm.ws.wswebcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:463) at com.ibm.ws.webcontainer.webapp.WebApp.handleRequest(WebApp.java:3107) at com.ibm.ws.webcontainer.webapp.WebGroup.handleRequest(WebGroup.java:238) at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:811) at com.ibm.ws.wswebcontainer.WebContainer.handleRequest(WebContainer.java:1425) at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:92) at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:465) at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewInformation(HttpInboundLink.java:394) at com.ibm.ws.http.channel.inbound.impl.HttpICLReadCallback.complete(HttpICLReadCallback.java:102) at com.ibm.ws.tcp.channel.impl.AioReadCompletionListener.futureCompleted(AioReadCompletionListener.java:152) at com.ibm.io.async.AbstractAsyncFuture.invokeCallback(AbstractAsyncFuture.java:213) at com.ibm.io.async.AbstractAsyncFuture.fireCompletionActions(AbstractAsyncFuture.java:195) at com.ibm.io.async.AsyncFuture.completed(AsyncFuture.java:136) at com.ibm.io.async.ResultHandler.complete(ResultHandler.java:193) at com.ibm.io.async.ResultHandler.runEventProcessingLoop(ResultHandler.java:725) at com.ibm.io.async.ResultHandler$2.run(ResultHandler.java:847) at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1498)