About STRUTS2 exception or error not output to console reason

The Exceptionmappinginterceptor interceptor in Xwork closes the exception print by default, which is to jump to the exception-handling page by default.

We need to open it at development time, change the parameters configured in struts as follows, and add the following code to the action configuration:

<action name= "*!*" class= "{1}action" method= "{2}" >

<interceptor-ref name= "Defaultstack" >

<param name= "exception.logenabled" >true</param>

<param name= "Exception.loglevel" >error</param>

</interceptor-ref>

</action>

Java code logenabled (optional)-Should exceptions also be logged? (Boolean true|false) loglevel (optional)-What log level should we use (Trace, debug, info, warn, error, fatal)? -Defaut is debug logcategory (optional)-If provided we would use this category (eg. com.mycompany.app). The Default is to use Com.opensymphony.xwork.interceptor.ExceptionMappingInterceptor.

Logenabled Configure whether log output is turned on

The loglevel configuration blocks to the log level of the exception.

Logcategory should be a custom log.

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