Logback SyslogAppender堆栈跟踪日志前缀

6
我们最近从Log4J切换到Logback。记录日志似乎运行良好,但在SyslogAppender中的堆栈跟踪被前缀添加,就像剩余的日志消息一样。
有没有办法禁用此前缀并确保它们会像在Log4J SyslogAppender中一样打印?先感谢您的帮助。
当前行为:
Apr 02 12:31:08 host.name 2012-04-02T12:31:08.418+0200 ajp-bio-8009-exec-7 com.gooddata.exception.servlet.HttpExceptionTranslator ERROR: Processing client_request=/gdcwebapp/gdc/projects/FoodMartDemo/groups/everyone status=FAILED errorCode=gdc.usergroups.default_group_modification errorDescription="Attempt to modify default group (everyone)" exceptionId=abc37cf0-9c56-4e68-a4a7-2111ca823fd4 component=webapp request_id=cAWvICOaKVFF1VvI userId=1 projectId=FoodMartDemo nodeId=nodeOne nodeId=nodeOne, requestId=cAWvICOaKVFF1VvI, userId=1, projectId=FoodMartDemo
Apr 02 12:31:08 host.name #011at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
Apr 02 12:31:08 host.name #011at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
Apr 02 12:31:08 host.name #011at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
Apr 02 12:31:08 host.name #011at java.lang.reflect.Method.invoke(Method.java:601)
Apr 02 12:31:08 host.name #011at org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:212)
Apr 02 12:31:08 host.name #011at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:126)
Apr 02 12:31:08 host.name #011at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:96)
Apr 02 12:31:08 host.name #011at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:617)
Apr 02 12:31:08 host.name #011at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:578)
Apr 02 12:31:08 host.name #011at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:80)
Apr 02 12:31:08 host.name #011at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:900)

期望行为:
Apr 02 12:31:08 host.name 2012-04-02T12:31:08.418+0200 ajp-bio-8009-exec-7 com.gooddata.exception.servlet.HttpExceptionTranslator ERROR: Processing client_request=/gdcwebapp/gdc/projects/FoodMartDemo/groups/everyone status=FAILED errorCode=gdc.usergroups.default_group_modification errorDescription="Attempt to modify default group (everyone)" exceptionId=abc37cf0-9c56-4e68-a4a7-2111ca823fd4 component=webapp request_id=cAWvICOaKVFF1VvI userId=1 projectId=FoodMartDemo nodeId=nodeOne nodeId=nodeOne, requestId=cAWvICOaKVFF1VvI, userId=1, projectId=FoodMartDemo
                          at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
                          at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
                          at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
                          at java.lang.reflect.Method.invoke(Method.java:601)
                          at org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:212)
                          at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:126)
                          at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:96)
                          at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:617)
                          at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:578)
                          at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:80)
                          at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:900)

SyslogAppender当前的logback.xml:

  <appender name="SYSLOG" class="ch.qos.logback.classic.net.SyslogAppender">
    <facility>local2</facility>
    <syslogHost>localhost</syslogHost>
    <suffixPattern>%d{yyyy-MM-dd'T'HH:mm:ss.SSSZ} %t %c %p: %m component=webapp request_id=%X{requestId} userId=%X{userId} projectId=%X{projectId} nodeId=%X{nodeId} %X%n</suffixPattern>
  </appender>
3个回答

7

您可以通过将throwableExcluded参数设置为true,并在后缀模式中指定异常来解决此问题。

<appender name="SYSLOG" class="ch.qos.logback.classic.net.SyslogAppender">
    <syslogHost>localhost</syslogHost>
    <facility>LOCAL7</facility>
    <throwableExcluded>true</throwableExcluded>
    <suffixPattern>%d{ISO8601} %p %t %c{0}.%M - %m%n%xException</suffixPattern>
</appender>

根据您所使用的syslog服务器不同,您可能需要关闭控制字符转义,以使文本正确显示。例如,对于rsyslog v5,可以使用$EscapeControlCharactersOnReceive off来关闭此功能。


0

Logback的Syslog Appender没有正确处理这个问题。您需要编写自己的Appender,可以基于原始的Appender进行修改。基本上问题出在这里:

StringBuilder sb = new StringBuilder();
      sb.append(stackTracePrefix).append(step);
      sw.write(sb.toString().getBytes());
      sw.flush();

当你执行flush操作时,它会向syslog发送新的消息。如果你想避免这种情况,你需要在整个堆栈执行完毕后再进行flush操作。


0

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