java.lang.ClassCastException

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  • In debug mode (log4j.category.org.springframework = DEBUG), spring is throwing an exception inside the generated toString method. The culprit may be the line: logger.debug("Mapping [" + lookupPath + "] to " + handler), in AbstractUrlHandlerMapping. Here is the full stack trace, java.lang.ClassCastException: org.springframework.web.servlet.ModelAndView cannot be cast to java.lang.String at com.appnexus.dmf.api.controllers.JobController$$EnhancerByCGLIB$$50e3af05.toString(<generated>) at java.lang.String.valueOf(String.java:2826) at java.lang.StringBuilder.append(StringBuilder.java:115) at org.springframework.web.servlet.HandlerExecutionChain.toString(HandlerExecutionChain.java:204) at java.lang.String.valueOf(String.java:2826) at java.lang.StringBuilder.append(StringBuilder.java:115) at org.springframework.web.servlet.handler.AbstractUrlHandlerMapping.getHandlerInternal(AbstractUrlHandlerMapping.java:124) at org.springframework.web.servlet.handler.AbstractHandlerMapping.getHandler(AbstractHandlerMapping.java:297) at org.springframework.web.servlet.DispatcherServlet.getHandler(DispatcherServlet.java:1091) at org.springframework.web.servlet.DispatcherServlet.getHandler(DispatcherServlet.java:1076) at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:896) at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:856) at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:920) at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:816) at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:801) at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:534) at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:476) at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:934) at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:404) at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:869) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:117) at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:151) at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116) at org.eclipse.jetty.server.Server.handle(Server.java:346) at org.eclipse.jetty.server.HttpConnection.handleRequest(HttpConnection.java:581) at org.eclipse.jetty.server.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:1040) at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:592) at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:214) at org.eclipse.jetty.server.HttpConnection.handle(HttpConnection.java:411) at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:526) at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:41) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:680)
    via by Stan Rosenberg,
  • In debug mode (log4j.category.org.springframework = DEBUG), spring is throwing an exception inside the generated toString method. The culprit may be the line: logger.debug("Mapping [" + lookupPath + "] to " + handler), in AbstractUrlHandlerMapping. Here is the full stack trace, java.lang.ClassCastException: org.springframework.web.servlet.ModelAndView cannot be cast to java.lang.String at com.appnexus.dmf.api.controllers.JobController$$EnhancerByCGLIB$$50e3af05.toString(<generated>) at java.lang.String.valueOf(String.java:2826) at java.lang.StringBuilder.append(StringBuilder.java:115) at org.springframework.web.servlet.HandlerExecutionChain.toString(HandlerExecutionChain.java:204) at java.lang.String.valueOf(String.java:2826) at java.lang.StringBuilder.append(StringBuilder.java:115) at org.springframework.web.servlet.handler.AbstractUrlHandlerMapping.getHandlerInternal(AbstractUrlHandlerMapping.java:124) at org.springframework.web.servlet.handler.AbstractHandlerMapping.getHandler(AbstractHandlerMapping.java:297) at org.springframework.web.servlet.DispatcherServlet.getHandler(DispatcherServlet.java:1091) at org.springframework.web.servlet.DispatcherServlet.getHandler(DispatcherServlet.java:1076) at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:896) at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:856) at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:920) at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:816) at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:801) at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:534) at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:476) at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:934) at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:404) at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:869) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:117) at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:151) at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116) at org.eclipse.jetty.server.Server.handle(Server.java:346) at org.eclipse.jetty.server.HttpConnection.handleRequest(HttpConnection.java:581) at org.eclipse.jetty.server.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:1040) at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:592) at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:214) at org.eclipse.jetty.server.HttpConnection.handle(HttpConnection.java:411) at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:526) at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:41) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:680)
    via by Stan Rosenberg,
    • java.lang.ClassCastException: org.springframework.web.servlet.ModelAndView cannot be cast to java.lang.String at com.appnexus.dmf.api.controllers.JobController$$EnhancerByCGLIB$$50e3af05.toString(<generated>) at java.lang.String.valueOf(String.java:2826) at java.lang.StringBuilder.append(StringBuilder.java:115) at org.springframework.web.servlet.HandlerExecutionChain.toString(HandlerExecutionChain.java:204) at java.lang.String.valueOf(String.java:2826) at java.lang.StringBuilder.append(StringBuilder.java:115) at org.springframework.web.servlet.handler.AbstractUrlHandlerMapping.getHandlerInternal(AbstractUrlHandlerMapping.java:124) at org.springframework.web.servlet.handler.AbstractHandlerMapping.getHandler(AbstractHandlerMapping.java:297) at org.springframework.web.servlet.DispatcherServlet.getHandler(DispatcherServlet.java:1091) at org.springframework.web.servlet.DispatcherServlet.getHandler(DispatcherServlet.java:1076) at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:896) at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:856) at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:920) at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:816) at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:801) at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:534) at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:476) at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:934) at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:404) at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:869) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:117) at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:151) at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116) at org.eclipse.jetty.server.Server.handle(Server.java:346) at org.eclipse.jetty.server.HttpConnection.handleRequest(HttpConnection.java:581) at org.eclipse.jetty.server.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:1040) at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:592) at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:214) at org.eclipse.jetty.server.HttpConnection.handle(HttpConnection.java:411) at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:526) at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:41) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:680)
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