StacktracesUnable to instantiate Action, action.AdminAction, defined for 'adminLogin' in namespace '/'nested transactions not supported com.opensymphony.xwork2.DefaultActionInvocation.createAction(DefaultActionInvocation.java:318) com.opensymphony.xwork2.DefaultActionInvocation.init(DefaultActionInvocation.java:399) com.opensymphony.xwork2.DefaultActionProxy.prepare(DefaultActionProxy.java:198) org.apache.struts2.impl.StrutsActionProxy.prepare(StrutsActionProxy.java:61) org.apache.struts2.impl.StrutsActionProxyFactory.createActionProxy(StrutsActionProxyFactory.java:39) com.opensymphony.xwork2.DefaultActionProxyFactory.createActionProxy(DefaultActionProxyFactory.java:58) org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:475) org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOperations.java:77) org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:91) org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103) org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293) org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:861) org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:612) org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:503) java.lang.Thread.run(Thread.java:745) org.hibernate.TransactionException: nested transactions not supported org.hibernate.engine.transaction.spi.AbstractTransactionImpl.begin(AbstractTransactionImpl.java:154) org.hibernate.internal.SessionImpl.beginTransaction(SessionImpl.java:1435) service.AdminListService.(AdminListService.java:24) action.AdminAction.(AdminAction.java:19) sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) java.lang.reflect.Constructor.newInstance(Constructor.java:422) java.lang.Class.newInstance(Class.java:442) com.opensymphony.xwork2.ObjectFactory.buildBean(ObjectFactory.java:130) com.opensymphony.xwork2.ObjectFactory.buildBean(ObjectFactory.java:161) com.opensymphony.xwork2.ObjectFactory.buildBean(ObjectFactory.java:150) com.opensymphony.xwork2.ObjectFactory.buildAction(ObjectFactory.java:120) com.opensymphony.xwork2.DefaultActionInvocation.createAction(DefaultActionInvocation.java:299) com.opensymphony.xwork2.DefaultActionInvocation.init(DefaultActionInvocation.java:399) com.opensymphony.xwork2.DefaultActionProxy.prepare(DefaultActionProxy.java:198) org.apache.struts2.impl.StrutsActionProxy.prepare(StrutsActionProxy.java:61) org.apache.struts2.impl.StrutsActionProxyFactory.createActionProxy(StrutsActionProxyFactory.java:39) com.opensymphony.xwork2.DefaultActionProxyFactory.createActionProxy(DefaultActionProxyFactory.java:58) org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:475) org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOperations.java:77) org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:91) org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103) org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293) org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:861) org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:612) org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:503) java.lang.Thread.run(Thread.java:745)