[logback-user] SyslogAppender stacktrace logging prefix

[Jiri Sitina]

Hi,
we have recently switched from Log4J to Logback. Logging seems to work well
except stack traces in SyslogAppender. They are prefixed just like remaining
log messages.

Is there any way how to disable this prefix and ensure they will be printed
in the same manner like with Log4J SyslogAppender? 

Current behavior:

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)
Desired behavior:

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)
Current logback.xml for SyslogAppender:

  <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>



Thanks in advance for any advice.

Best regards

Jiri Sitina
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