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Posted to user@struts.apache.org by zahid <za...@gmail.com> on 2020/01/27 12:46:23 UTC
Re: RMI client code in Struts I WIN : RESOLVED
Hello Struts UserServer says hello to coco
On 26/01/2020 23:20, Dave Newton wrote:
> Handle the exceptions.
>
> On Sun, Jan 26, 2020 at 5:51 PM zahid <za...@gmail.com> wrote:
>
>> Hi,
>>
>> How can make this client code work in Struts ?
>>
>> Please see two pieces of comparative client code , common RMIInterface
>> interface , and struts problem report :-
>>
>> package org.apache.struts.helloworld.model;
>>
>> import java.net.MalformedURLException;
>> import java.rmi.Naming;
>> import java.rmi.NotBoundException;
>> import java.rmi.RemoteException;
>> import org.acme.rmi.RMIInterface;;
>>
>> public class MessageStore {
>>
>> private String message;
>> private static RMIInterface look_up;
>>
>> public MessageStore() throws MalformedURLException,
>> RemoteException, NotBoundException
>> {
>> look_up = (RMIInterface) Naming.lookup("//localhost/MyServer");
>> String response = look_up.helloTo("coco");
>> message = "Hello Struts User" + response;
>> }
>>
>> public String getMessage() {
>> return message;
>> }
>> }
>>
>>
>> Other working client code this works :
>>
>> package org.acme.rmiclient;
>>
>> import java.net.MalformedURLException;
>> import java.rmi.Naming;
>> import java.rmi.NotBoundException;
>> import java.rmi.RemoteException;
>>
>> import javax.swing.JOptionPane;
>>
>> import org.acme.rmiinterface.RMIInterface;
>>
>> public class ClientOperation {
>>
>> private static RMIInterface look_up;
>>
>> public static void main(String[] args)
>> throws MalformedURLException, RemoteException, NotBoundException {
>>
>> look_up = (RMIInterface) Naming.lookup("//localhost/MyServer");
>> String txt = JOptionPane.showInputDialog("What is your name?");
>>
>> String response = look_up.helloTo(txt);
>> JOptionPane.showMessageDialog(null, response);
>>
>> }
>>
>> }
>>
>>
>> package org.acme.rmi;
>>
>> import java.rmi.Remote;
>> import java.rmi.RemoteException;
>>
>> public interface RMIInterface extends Remote {
>>
>> public String helloTo(String name) throws RemoteException;
>>
>> }
>>
>>
>> Struts Problem Report
>>
>> Struts has detected an unhandled exception:
>>
>> *Messages*:
>>
>> 1. Unresolved compilation problems: Unhandled exception type
>> MalformedURLException Unhandled exception type RemoteException
>> Unhandled exception type NotBoundException
>> 2. Method "execute" failed for object
>> org.apache.struts.helloworld.action.HelloWorldAction@78453883
>>
>> *File*: org/apache/struts/helloworld/action/HelloWorldAction.java
>> *Line number*: 11
>>
>> ------------------------------------------------------------------------
>>
>>
>> Stacktraces
>>
>> *ognl.MethodFailedException: Method "execute" failed for object
>> org.apache.struts.helloworld.action.HelloWorldAction@78453883
>> [java.lang.Error: Unresolved compilation problems: Unhandled exception
>> type MalformedURLException Unhandled exception type RemoteException
>> Unhandled exception type NotBoundException ]*
>>
>> ognl.OgnlRuntime.callAppropriateMethod(OgnlRuntime.java:1556)
>> ognl.ObjectMethodAccessor.callMethod(ObjectMethodAccessor.java:68)
>>
>> com.opensymphony.xwork2.ognl.accessor.XWorkMethodAccessor.callMethodWithDebugInfo(XWorkMethodAccessor.java:98)
>>
>> com.opensymphony.xwork2.ognl.accessor.XWorkMethodAccessor.callMethod(XWorkMethodAccessor.java:90)
>> ognl.OgnlRuntime.callMethod(OgnlRuntime.java:1620)
>> ognl.ASTMethod.getValueBody(ASTMethod.java:91)
>> ognl.SimpleNode.evaluateGetValueBody(SimpleNode.java:212)
>> ognl.SimpleNode.getValue(SimpleNode.java:258)
>> ognl.Ognl.getValue(Ognl.java:470)
>> ognl.Ognl.getValue(Ognl.java:434)
>> com.opensymphony.xwork2.ognl.OgnlUtil$3.execute(OgnlUtil.java:374)
>>
>> com.opensymphony.xwork2.ognl.OgnlUtil.compileAndExecuteMethod(OgnlUtil.java:426)
>> com.opensymphony.xwork2.ognl.OgnlUtil.callMethod(OgnlUtil.java:372)
>>
>> com.opensymphony.xwork2.DefaultActionInvocation.invokeAction(DefaultActionInvocation.java:438)
>>
>> com.opensymphony.xwork2.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.java:293)
>>
>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:254)
>>
>> org.apache.struts2.interceptor.debugging.DebuggingInterceptor.intercept(DebuggingInterceptor.java:250)
>>
>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
>>
>> com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:179)
>>
>> com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:99)
>>
>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
>>
>> com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:263)
>>
>> org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:49)
>>
>> com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:99)
>>
>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
>>
>> com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.doIntercept(ConversionErrorInterceptor.java:142)
>>
>> com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:99)
>>
>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
>>
>> com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:137)
>>
>> com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:99)
>>
>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
>>
>> com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:137)
>>
>> com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:99)
>>
>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
>>
>> com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept(StaticParametersInterceptor.java:201)
>>
>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
>>
>> org.apache.struts2.interceptor.MultiselectInterceptor.intercept(MultiselectInterceptor.java:67)
>>
>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
>>
>> org.apache.struts2.interceptor.DateTextFieldInterceptor.intercept(DateTextFieldInterceptor.java:133)
>>
>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
>>
>> org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:85)
>>
>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
>>
>> org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:243)
>>
>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
>>
>> com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(ModelDrivenInterceptor.java:101)
>>
>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
>>
>> com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.intercept(ScopedModelDrivenInterceptor.java:142)
>>
>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
>>
>> com.opensymphony.xwork2.interceptor.ChainingInterceptor.intercept(ChainingInterceptor.java:160)
>>
>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
>>
>> com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(PrepareInterceptor.java:175)
>>
>> com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:99)
>>
>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
>>
>> org.apache.struts2.interceptor.I18nInterceptor.intercept(I18nInterceptor.java:121)
>>
>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
>>
>> org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletConfigInterceptor.java:167)
>>
>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
>>
>> com.opensymphony.xwork2.interceptor.AliasInterceptor.intercept(AliasInterceptor.java:203)
>>
>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
>>
>> com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:196)
>>
>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
>>
>> org.apache.struts2.factory.StrutsActionProxy.execute(StrutsActionProxy.java:48)
>>
>> org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:574)
>>
>> org.apache.struts2.dispatcher.ExecuteOperations.executeAction(ExecuteOperations.java:79)
>>
>> org.apache.struts2.dispatcher.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:141)
>>
>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
>>
>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
>>
>> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202)
>>
>> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
>>
>> org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:541)
>>
>> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
>>
>> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
>>
>> org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:678)
>>
>> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
>>
>> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
>>
>> org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:367)
>>
>> org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
>>
>> org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:860)
>> org.apache.tomcat.util.net
>> .NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1598)
>> org.apache.tomcat.util.net
>> .SocketProcessorBase.run(SocketProcessorBase.java:49)
>>
>> java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
>>
>> java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
>>
>> org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
>> java.base/java.lang.Thread.run(Thread.java:834)
>>
>>
>> *java.lang.Error: Unresolved compilation problems: Unhandled exception
>> type MalformedURLException Unhandled exception type RemoteException
>> Unhandled exception type NotBoundException*
>>
>>
>> org.apache.struts.helloworld.action.HelloWorldAction.execute(HelloWorldAction.java:11)
>>
>> java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native
>> Method)
>>
>> java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>>
>> java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>> java.base/java.lang.reflect.Method.invoke(Method.java:566)
>> ognl.OgnlRuntime.invokeMethod(OgnlRuntime.java:899)
>> ognl.OgnlRuntime.callAppropriateMethod(OgnlRuntime.java:1544)
>> ognl.ObjectMethodAccessor.callMethod(ObjectMethodAccessor.java:68)
>>
>> com.opensymphony.xwork2.ognl.accessor.XWorkMethodAccessor.callMethodWithDebugInfo(XWorkMethodAccessor.java:98)
>>
>> com.opensymphony.xwork2.ognl.accessor.XWorkMethodAccessor.callMethod(XWorkMethodAccessor.java:90)
>> ognl.OgnlRuntime.callMethod(OgnlRuntime.java:1620)
>> ognl.ASTMethod.getValueBody(ASTMethod.java:91)
>> ognl.SimpleNode.evaluateGetValueBody(SimpleNode.java:212)
>> ognl.SimpleNode.getValue(SimpleNode.java:258)
>> ognl.Ognl.getValue(Ognl.java:470)
>> ognl.Ognl.getValue(Ognl.java:434)
>> com.opensymphony.xwork2.ognl.OgnlUtil$3.execute(OgnlUtil.java:374)
>>
>> com.opensymphony.xwork2.ognl.OgnlUtil.compileAndExecuteMethod(OgnlUtil.java:426)
>> com.opensymphony.xwork2.ognl.OgnlUtil.callMethod(OgnlUtil.java:372)
>>
>> com.opensymphony.xwork2.DefaultActionInvocation.invokeAction(DefaultActionInvocation.java:438)
>>
>> com.opensymphony.xwork2.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.java:293)
>>
>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:254)
>>
>> org.apache.struts2.interceptor.debugging.DebuggingInterceptor.intercept(DebuggingInterceptor.java:250)
>>
>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
>>
>> com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:179)
>>
>> com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:99)
>>
>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
>>
>> com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:263)
>>
>> org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:49)
>>
>> com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:99)
>>
>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
>>
>> com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.doIntercept(ConversionErrorInterceptor.java:142)
>>
>> com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:99)
>>
>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
>>
>> com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:137)
>>
>> com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:99)
>>
>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
>>
>> com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:137)
>>
>> com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:99)
>>
>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
>>
>> com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept(StaticParametersInterceptor.java:201)
>>
>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
>>
>> org.apache.struts2.interceptor.MultiselectInterceptor.intercept(MultiselectInterceptor.java:67)
>>
>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
>>
>> org.apache.struts2.interceptor.DateTextFieldInterceptor.intercept(DateTextFieldInterceptor.java:133)
>>
>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
>>
>> org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:85)
>>
>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
>>
>> org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:243)
>>
>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
>>
>> com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(ModelDrivenInterceptor.java:101)
>>
>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
>>
>> com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.intercept(ScopedModelDrivenInterceptor.java:142)
>>
>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
>>
>> com.opensymphony.xwork2.interceptor.ChainingInterceptor.intercept(ChainingInterceptor.java:160)
>>
>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
>>
>> com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(PrepareInterceptor.java:175)
>>
>> com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:99)
>>
>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
>>
>> org.apache.struts2.interceptor.I18nInterceptor.intercept(I18nInterceptor.java:121)
>>
>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
>>
>> org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletConfigInterceptor.java:167)
>>
>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
>>
>> com.opensymphony.xwork2.interceptor.AliasInterceptor.intercept(AliasInterceptor.java:203)
>>
>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
>>
>> com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:196)
>>
>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
>>
>> org.apache.struts2.factory.StrutsActionProxy.execute(StrutsActionProxy.java:48)
>>
>> org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:574)
>>
>> org.apache.struts2.dispatcher.ExecuteOperations.executeAction(ExecuteOperations.java:79)
>>
>> org.apache.struts2.dispatcher.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:141)
>>
>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
>>
>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
>>
>> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202)
>>
>> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
>>
>> org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:541)
>>
>> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
>>
>> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
>>
>> org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:678)
>>
>> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
>>
>> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
>>
>> org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:367)
>>
>> org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
>>
>> org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:860)
>> org.apache.tomcat.util.net
>> .NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1598)
>> org.apache.tomcat.util.net
>> .SocketProcessorBase.run(SocketProcessorBase.java:49)
>>
>> java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
>>
>> java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
>>
>> org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
>> java.base/java.lang.Thread.run(Thread.java:834)
>>
>>
>> ------------------------------------------------------------------------
>>
>> You are seeing this page because development mode is enabled.
>> Development mode, or devMode, enables extra debugging behaviors and
>> reports to assist developers. To disable this mode, set:
>>
>> struts.devMode=false
>>
>> in your|WEB-INF/classes/struts.properties|file.
>>
>
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