实现jpetstore物理上分层--续

来源：互联网发布：2016网络语言大全编辑：程序博客网时间：2024/05/16 06:24

由于昨天做了一个远程调用架构的项目工程模板demo，虽然大体上可以跑起来了，但有些地方还是有异常。今天决定找出原因。

在办公室的电脑里，我只有spring1.2.9。可能跟之前的spring2.0有点差距，但在spring1.29上也有一点问题。先把这些问题搞定再说。

问题是这样的，登陆的时候老是抛出异常。见如下：

2008-3-24 1:48:26 org.apache.catalina.core.StandardWrapperValve invoke

严重: Servlet.service() for servlet remoting threw exception

com.caucho.hessian.io.HessianProtocolException: expected string at z

at com.caucho.hessian.io.HessianInput.error(HessianInput.java:1226)

at com.caucho.hessian.io.HessianInput.expect(HessianInput.java:1221)

at com.caucho.hessian.io.HessianInput.readString(HessianInput.java:543)

at com.caucho.hessian.io.BasicDeserializer.readObject(BasicDeserializer.java:166)

at com.caucho.hessian.io.HessianInput.readObject(HessianInput.java:699)

at com.caucho.hessian.server.HessianSkeleton.invoke(HessianSkeleton.java:181)

at org.springframework.remoting.caucho.HessianServiceExporter.handleRequest(HessianServiceExporter.java:91)

at org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:44)

at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:740)

at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:684)

at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:394)

at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:358)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:710)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)

at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)

at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)

at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)

at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)

at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)

at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:261)

at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)

at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:581)

at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)

at java.lang.Thread.run(Thread.java:619)

2008-3-24 1:48:26 org.apache.catalina.core.StandardWrapperValve invoke

严重: Servlet.service() for servlet petstore threw exception

com.caucho.hessian.io.HessianProtocolException:

at com.caucho.hessian.client.HessianProxy.invoke(HessianProxy.java:171)

at $Proxy0.getAccount(Unknown Source)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

at java.lang.reflect.Method.invoke(Method.java:597)

at org.springframework.remoting.caucho.HessianClientInterceptor.invoke(HessianClientInterceptor.java:115)

at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:169)

at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:169)

at $Proxy1.getAccount(Unknown Source)

at org.springframework.samples.jpetstore.web.spring.OrderFormController.formBackingObject(OrderFormController.java:45)

at org.springframework.web.servlet.mvc.AbstractFormController.getErrorsForNewForm(AbstractFormController.java:341)

at org.springframework.web.servlet.mvc.AbstractFormController.showNewForm(AbstractFormController.java:322)

at org.springframework.web.servlet.mvc.AbstractFormController.handleRequestInternal(AbstractFormController.java:262)

at org.springframework.web.servlet.mvc.AbstractController.handleRequest(AbstractController.java:153)

at org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:44)

at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:740)

at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:684)

at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:394)

at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:348)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:690)