我的liferay portlet 有问题。
我很好地部署了 portlet 并在站点中使用它。
我的 portlet 中有一个 API/Web 服务。几天前它工作正常，但现在我收到了 ClassCastException。
似乎是什么问题？
这是堆栈跟踪：
AXIS error
Fault - ; nested exception is:
org.apache.axis.ConfigurationException: java.lang.ClassCastException: org.apache.axis.handlers.http.URLMapper cannot be cast to org.apache.axis.Handler
java.lang.ClassCastException: org.apache.axis.handlers.http.URLMapper cannot be cast to org.apache.axis.Handler
at org.apache.axis.deployment.wsdd.WSDDDeployableItem.makeNewInstance(WSDDDeployableItem.java:302)
at org.apache.axis.deployment.wsdd.WSDDDeployableItem.getNewInstance(WSDDDeployableItem.java:274)
at org.apache.axis.deployment.wsdd.WSDDDeployableItem.getInstance(WSDDDeployableItem.java:260)
at org.apache.axis.deployment.wsdd.WSDDDeployment.getHandler(WSDDDeployment.java:394)
at org.apache.axis.deployment.wsdd.WSDDDeployableItem.getNewInstance(WSDDDeployableItem.java:276)
at org.apache.axis.deployment.wsdd.WSDDDeployableItem.getInstance(WSDDDeployableItem.java:260)
at org.apache.axis.deployment.wsdd.WSDDChain.makeNewInstance(WSDDChain.java:125)
at org.apache.axis.deployment.wsdd.WSDDDeployableItem.getNewInstance(WSDDDeployableItem.java:274)
at org.apache.axis.deployment.wsdd.WSDDDeployableItem.getInstance(WSDDDeployableItem.java:260)
at org.apache.axis.deployment.wsdd.WSDDTargetedChain.makeNewInstance(WSDDTargetedChain.java:151)
at org.apache.axis.deployment.wsdd.WSDDDeployableItem.getNewInstance(WSDDDeployableItem.java:274)
at org.apache.axis.deployment.wsdd.WSDDDeployableItem.getInstance(WSDDDeployableItem.java:260)
at org.apache.axis.deployment.wsdd.WSDDDeployment.getTransport(WSDDDeployment.java:410)
at org.apache.axis.configuration.FileProvider.getTransport(FileProvider.java:257)
at org.apache.axis.AxisEngine.getTransport(AxisEngine.java:332)
at org.apache.axis.server.AxisServer.generateWSDL(AxisServer.java:441)
at org.apache.axis.transport.http.QSWSDLHandler.invoke(QSWSDLHandler.java:68)
at sun.reflect.GeneratedMethodAccessor360.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:616)
at org.apache.axis.transport.http.AxisServlet.processQuery(AxisServlet.java:1226)
at org.apache.axis.transport.http.AxisServlet.doGet(AxisServlet.java:249)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
at org.apache.axis.transport.http.AxisServletBase.service(AxisServletBase.java:327)
at com.liferay.util.axis.AxisServlet.service(AxisServlet.java:122)
at com.liferay.portal.servlet.AxisServlet.service(AxisServlet.java:108)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
at com.liferay.portal.kernel.servlet.PortalClassLoaderServlet.service(PortalClassLoaderServlet.java:98)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:72)
at sun.reflect.GeneratedMethodAccessor353.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:616)
at com.liferay.portal.kernel.bean.ClassLoaderBeanHandler.invoke(ClassLoaderBeanHandler.java:54)
at $Proxy1003.doFilter(Unknown Source)
at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:72)
at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:121)
at com.liferay.portal.servlet.filters.secure.SecureFilter.processFilter(SecureFilter.java:201)
at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:48)
at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:203)
at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:105)
at com.liferay.portal.kernel.servlet.PortalClassLoaderFilter.doFilter(PortalClassLoaderFilter.java:69)
at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:203)
at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:105)
at sun.reflect.GeneratedMethodAccessor353.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:616)
at com.liferay.portal.kernel.bean.ClassLoaderBeanHandler.invoke(ClassLoaderBeanHandler.java:54)
at $Proxy1003.doFilter(Unknown Source)
at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:72)
at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDirectCallFilter(InvokerFilterChain.java:164)
at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:92)
at com.liferay.portal.kernel.servlet.PortalClassLoaderFilter.doFilter(PortalClassLoaderFilter.java:69)
at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:203)
at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:105)
at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilter.doFilter(InvokerFilter.java:70)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:224)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:928)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:987)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:539)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:298)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:679)
org.apache.axis.ConfigurationException: java.lang.ClassCastException: org.apache.axis.handlers.http.URLMapper cannot be cast to org.apache.axis.Handler
java.lang.ClassCastException: org.apache.axis.handlers.http.URLMapper cannot be cast to org.apache.axis.Handler
at org.apache.axis.deployment.wsdd.WSDDDeployableItem.makeNewInstance(WSDDDeployableItem.java:302)
at org.apache.axis.deployment.wsdd.WSDDDeployableItem.getNewInstance(WSDDDeployableItem.java:274)
at org.apache.axis.deployment.wsdd.WSDDDeployableItem.getInstance(WSDDDeployableItem.java:260)
at org.apache.axis.deployment.wsdd.WSDDDeployment.getHandler(WSDDDeployment.java:394)
at org.apache.axis.deployment.wsdd.WSDDDeployableItem.getNewInstance(WSDDDeployableItem.java:276)
at org.apache.axis.deployment.wsdd.WSDDDeployableItem.getInstance(WSDDDeployableItem.java:260)
at org.apache.axis.deployment.wsdd.WSDDChain.makeNewInstance(WSDDChain.java:125)
at org.apache.axis.deployment.wsdd.WSDDDeployableItem.getNewInstance(WSDDDeployableItem.java:274)
at org.apache.axis.deployment.wsdd.WSDDDeployableItem.getInstance(WSDDDeployableItem.java:260)
at org.apache.axis.deployment.wsdd.WSDDTargetedChain.makeNewInstance(WSDDTargetedChain.java:151)
at org.apache.axis.deployment.wsdd.WSDDDeployableItem.getNewInstance(WSDDDeployableItem.java:274)
at org.apache.axis.deployment.wsdd.WSDDDeployableItem.getInstance(WSDDDeployableItem.java:260)
at org.apache.axis.deployment.wsdd.WSDDDeployment.getTransport(WSDDDeployment.java:410)
at org.apache.axis.configuration.FileProvider.getTransport(FileProvider.java:257)
at org.apache.axis.AxisEngine.getTransport(AxisEngine.java:332)
at org.apache.axis.server.AxisServer.generateWSDL(AxisServer.java:441)
at org.apache.axis.transport.http.QSWSDLHandler.invoke(QSWSDLHandler.java:68)
at sun.reflect.GeneratedMethodAccessor360.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:616)
at org.apache.axis.transport.http.AxisServlet.processQuery(AxisServlet.java:1226)
at org.apache.axis.transport.http.AxisServlet.doGet(AxisServlet.java:249)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
at org.apache.axis.transport.http.AxisServletBase.service(AxisServletBase.java:327)
at com.liferay.util.axis.AxisServlet.service(AxisServlet.java:122)
at com.liferay.portal.servlet.AxisServlet.service(AxisServlet.java:108)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
at com.liferay.portal.kernel.servlet.PortalClassLoaderServlet.service(PortalClassLoaderServlet.java:98)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:72)
at sun.reflect.GeneratedMethodAccessor353.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:616)
at com.liferay.portal.kernel.bean.ClassLoaderBeanHandler.invoke(ClassLoaderBeanHandler.java:54)
at $Proxy1003.doFilter(Unknown Source)
at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:72)
at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:121)
at com.liferay.portal.servlet.filters.secure.SecureFilter.processFilter(SecureFilter.java:201)
at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:48)
at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:203)
at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:105)
at com.liferay.portal.kernel.servlet.PortalClassLoaderFilter.doFilter(PortalClassLoaderFilter.java:69)
at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:203)
at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:105)
at sun.reflect.GeneratedMethodAccessor353.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:616)
at com.liferay.portal.kernel.bean.ClassLoaderBeanHandler.invoke(ClassLoaderBeanHandler.java:54)
at $Proxy1003.doFilter(Unknown Source)
at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:72)
at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDirectCallFilter(InvokerFilterChain.java:164)
at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:92)
at com.liferay.portal.kernel.servlet.PortalClassLoaderFilter.doFilter(PortalClassLoaderFilter.java:69)
at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:203)
at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:105)
at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilter.doFilter(InvokerFilter.java:70)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:224)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:928)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:987)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:539)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:298)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:679)
at org.apache.axis.deployment.wsdd.WSDDDeployableItem.makeNewInstance(WSDDDeployableItem.java:304)
at org.apache.axis.deployment.wsdd.WSDDDeployableItem.getNewInstance(WSDDDeployableItem.java:274)
at org.apache.axis.deployment.wsdd.WSDDDeployableItem.getInstance(WSDDDeployableItem.java:260)
at org.apache.axis.deployment.wsdd.WSDDDeployment.getHandler(WSDDDeployment.java:394)
at org.apache.axis.deployment.wsdd.WSDDDeployableItem.getNewInstance(WSDDDeployableItem.java:276)
at org.apache.axis.deployment.wsdd.WSDDDeployableItem.getInstance(WSDDDeployableItem.java:260)
at org.apache.axis.deployment.wsdd.WSDDChain.makeNewInstance(WSDDChain.java:125)
at org.apache.axis.deployment.wsdd.WSDDDeployableItem.getNewInstance(WSDDDeployableItem.java:274)
at org.apache.axis.deployment.wsdd.WSDDDeployableItem.getInstance(WSDDDeployableItem.java:260)
at org.apache.axis.deployment.wsdd.WSDDTargetedChain.makeNewInstance(WSDDTargetedChain.java:151)
at org.apache.axis.deployment.wsdd.WSDDDeployableItem.getNewInstance(WSDDDeployableItem.java:274)
at org.apache.axis.deployment.wsdd.WSDDDeployableItem.getInstance(WSDDDeployableItem.java:260)
at org.apache.axis.deployment.wsdd.WSDDDeployment.getTransport(WSDDDeployment.java:410)
at org.apache.axis.configuration.FileProvider.getTransport(FileProvider.java:257)
at org.apache.axis.AxisEngine.getTransport(AxisEngine.java:332)
at org.apache.axis.server.AxisServer.generateWSDL(AxisServer.java:441)
at org.apache.axis.transport.http.QSWSDLHandler.invoke(QSWSDLHandler.java:68)
at sun.reflect.GeneratedMethodAccessor360.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:616)
at org.apache.axis.transport.http.AxisServlet.processQuery(AxisServlet.java:1226)
at org.apache.axis.transport.http.AxisServlet.doGet(AxisServlet.java:249)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
at org.apache.axis.transport.http.AxisServletBase.service(AxisServletBase.java:327)
at com.liferay.util.axis.AxisServlet.service(AxisServlet.java:122)
at com.liferay.portal.servlet.AxisServlet.service(AxisServlet.java:108)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
at com.liferay.portal.kernel.servlet.PortalClassLoaderServlet.service(PortalClassLoaderServlet.java:98)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:72)
at sun.reflect.GeneratedMethodAccessor353.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:616)
at com.liferay.portal.kernel.bean.ClassLoaderBeanHandler.invoke(ClassLoaderBeanHandler.java:54)
at $Proxy1003.doFilter(Unknown Source)
at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:72)
at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:121)
at com.liferay.portal.servlet.filters.secure.SecureFilter.processFilter(SecureFilter.java:201)
at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:48)
at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:203)
at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:105)
at com.liferay.portal.kernel.servlet.PortalClassLoaderFilter.doFilter(PortalClassLoaderFilter.java:69)
at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:203)
at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:105)
at sun.reflect.GeneratedMethodAccessor353.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:616)
at com.liferay.portal.kernel.bean.ClassLoaderBeanHandler.invoke(ClassLoaderBeanHandler.java:54)
at $Proxy1003.doFilter(Unknown Source)
at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:72)
at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDirectCallFilter(InvokerFilterChain.java:164)
at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:92)
at com.liferay.portal.kernel.servlet.PortalClassLoaderFilter.doFilter(PortalClassLoaderFilter.java:69)
at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:203)
at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:105)
at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilter.doFilter(InvokerFilter.java:70)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:224)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:928)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:987)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:539)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:298)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:679)
提前致谢