使用@ControllerAdvice注释类处理异常时丢失堆栈跟踪

时间：2017-06-20 08:14:50

标签： java spring rest exception-handling exceptionhandler

我有一个Spring REST应用程序。我从控制器抛出所有异常并在一个公共位置处理它们，一个名为ExceptionHandlerControllerAdvice的类用@ControllerAdvice注释。我有多个使用@ExceptionHandler注释的方法来处理每种类型的异常。在这些方法中，我发送自定义错误json响应。在将此错误json发送给使用者之前，我在日志中的异常堆栈跟踪。见代码 - 

@ControllerAdvice
public class ExceptionHandlerControllerAdvice {

    private static Logger logger = LoggerFactory.getLogger(ExceptionHandlerControllerAdvice.class);

    @ExceptionHandler(value = { Exception1.class })
    public @ResponseBody ResponseEntity<ErrorMessage> Exception1Handler(HttpServletRequest request, Exception1 e) {
        logger.error("error message {}. Details:", e.getMessage(), e.fillInStackTrace());
        return new ResponseEntity<ErrorMessage>(new ErrorMessageBO(e.getErrorCode(), e.getMessage()), HttpStatus.OK);
    }

    @ExceptionHandler(value = { Exception2.class })
    public @ResponseBody ResponseEntity<ErrorMessage> Exception2Handler(HttpServletRequest request, Exception2 e) {
        logger.error("error message {}. Details:", e.getMessage(), e.fillInStackTrace());
        return new ResponseEntity<ErrorMessage>(new ErrorMessageBO(e.getErrorCode(), e.getMessage()), HttpStatus.OK);
    }
}

问题是我丢失了实际的堆栈跟踪，它告诉我确切的异常来源。有人熟悉这个问题吗？
[编辑] 查看日志。 

ERROR 2017-06-20 13:29:03,784 [http-bio-8080-exec-3] ExceptionHandlerControllerAdvice.runtimeExceptionHandler(28) | error message null. Details:
java.lang.NullPointerException: null
    at com.abc.products.hotel.advice.ExceptionHandlerControllerAdvice.runtimeExceptionHandler(ExceptionHandlerControllerAdvice.java:28) [classes/:na]
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_45]
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_45]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_45]
    at java.lang.reflect.Method.invoke(Method.java:497) ~[na:1.8.0_45]
    at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221) [spring-web-4.3.1.RELEASE.jar:4.3.1.RELEASE]
    at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:136) [spring-web-4.3.1.RELEASE.jar:4.3.1.RELEASE]
    at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:114) [spring-webmvc-4.3.1.RELEASE.jar:4.3.1.RELEASE]
    at org.springframework.web.servlet.mvc.method.annotation.ExceptionHandlerExceptionResolver.doResolveHandlerMethodException(ExceptionHandlerExceptionResolver.java:379) [spring-webmvc-4.3.1.RELEASE.jar:4.3.1.RELEASE]
    at org.springframework.web.servlet.handler.AbstractHandlerMethodExceptionResolver.doResolveException(AbstractHandlerMethodExceptionResolver.java:59) [spring-webmvc-4.3.1.RELEASE.jar:4.3.1.RELEASE]
    at org.springframework.web.servlet.handler.AbstractHandlerExceptionResolver.resolveException(AbstractHandlerExceptionResolver.java:136) [spring-webmvc-4.3.1.RELEASE.jar:4.3.1.RELEASE]
    at org.springframework.web.servlet.handler.HandlerExceptionResolverComposite.resolveException(HandlerExceptionResolverComposite.java:74) [spring-webmvc-4.3.1.RELEASE.jar:4.3.1.RELEASE]
    at org.springframework.web.servlet.DispatcherServlet.processHandlerException(DispatcherServlet.java:1193) [spring-webmvc-4.3.1.RELEASE.jar:4.3.1.RELEASE]
    at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1030) [spring-webmvc-4.3.1.RELEASE.jar:4.3.1.RELEASE]
    at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:980) [spring-webmvc-4.3.1.RELEASE.jar:4.3.1.RELEASE]
    at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:897) [spring-webmvc-4.3.1.RELEASE.jar:4.3.1.RELEASE]
    at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970) [spring-webmvc-4.3.1.RELEASE.jar:4.3.1.RELEASE]
    at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861) [spring-webmvc-4.3.1.RELEASE.jar:4.3.1.RELEASE]
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:624) [servlet-api.jar:na]
    at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846) [spring-webmvc-4.3.1.RELEASE.jar:4.3.1.RELEASE]
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:731) [servlet-api.jar:na]
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303) [catalina.jar:7.0.65]
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) [catalina.jar:7.0.65]
    at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197) [spring-web-4.3.1.RELEASE.jar:4.3.1.RELEASE]
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.3.1.RELEASE.jar:4.3.1.RELEASE]
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) [catalina.jar:7.0.65]
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) [catalina.jar:7.0.65]
    at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) [tomcat7-websocket.jar:7.0.65]
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) [catalina.jar:7.0.65]
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) [catalina.jar:7.0.65]
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220) [catalina.jar:7.0.65]
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122) [catalina.jar:7.0.65]
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:505) [catalina.jar:7.0.65]
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170) [catalina.jar:7.0.65]
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103) [catalina.jar:7.0.65]
    at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:956) [catalina.jar:7.0.65]
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116) [catalina.jar:7.0.65]
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:423) [catalina.jar:7.0.65]
    at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1079) [tomcat-coyote.jar:7.0.65]
    at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:625) [tomcat-coyote.jar:7.0.65]
    at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316) [tomcat-coyote.jar:7.0.65]
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [na:1.8.0_45]
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_45]
    at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-coyote.jar:7.0.65]
    at java.lang.Thread.run(Thread.java:745) [na:1.8.0_45]

1 个答案:

答案 0 :(得分：1)

从您的日志格式中，您似乎正在使用slf4j。 API的warn和error方法经常用于记录异常，slf4j提供特定的warn(String message, Throwable t)覆盖，可以在记录器实现中使用特定于异常的格式（例如，打印消息和堆栈跟踪的前N行）。由于这些消息几乎不会被抑制，因此不会因为没有参数化消息字符串而丢失任何内容。只需写下logger.warn("message", ex);。

至于为什么你首先遇到问题，你应该使用getStackTrace()代替fillInStackTrace()。

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