[java ee programming] Filter logging order is out of sequence

[peeter brunch]

Hello,
 
The order of the filters in the xml is defined in the following order:
 
  <display-name>hello2</display-name>
    <filter>
        <filter-name>MyOwnFilter</filter-name>
        <filter-class>mypackage.MyOwnFilter</filter-class>
    </filter>
    <filter>
        <filter-name>MyOwnFilter2</filter-name>
        <filter-class>mypackage.MyOwnFilter2</filter-class>
    </filter>
    <filter-mapping>
        <filter-name>MyOwnFilter2</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
    <filter-mapping>
        <filter-name>MyOwnFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mappin
 
The output log from netbean IDE are shown below:
PWC1412: WebModule[/hello2] ServletContext.log():MyOwnFilter2:Initializing 
filter
PWC1412: WebModule[/hello2] ServletContext.log():MyOwnFilter:Initializing filter
PWC1412: WebModule[/hello2] ServletContext.log():MyOwnFilter2:doFilter()
PWC1412: WebModule[/hello2] ServletContext.log():MyOwnFilter2:DoBeforeProcessing
PWC1412: WebModule[/hello2] ServletContext.log():MyOwnFilter:doFilter()
PWC1412: WebModule[/hello2] ServletContext.log():MyOwnFilter:DoBeforeProcessing
PWC1412: WebModule[/hello2] ServletContext.log():MyOwnFilter:DoAfterProcessing
PWC1412: WebModule[/hello2] ServletContext.log():attribute: 
com.sun.enterprise.http.sessiontracker=org.apache.coyote.tomcat5.sessiontrac...@64e307
PWC1412: WebModule[/hello2] ServletContext.log():MyOwnFilter2:DoAfterProcessing
PWC1412: WebModule[/hello2] ServletContext.log():attribute: 
com.sun.enterprise.http.sessiontracker=org.apache.coyote.tomcat5.sessiontrac...@64e307
PWC1412: WebModule[/hello2] ServletContext.log():MyOwnFilter2:doFilter()
PWC1412: WebModule[/hello2] ServletContext.log():MyOwnFilter2:DoBeforeProcessing
PWC1412: WebModule[/hello2] ServletContext.log():MyOwnFilter:doFilter()
PWC1412: WebModule[/hello2] ServletContext.log():MyOwnFilter:DoBeforeProcessing
PWC1412: WebModule[/hello2] ServletContext.log():MyOwnFilter:DoAfterProcessing
PWC1412: WebModule[/hello2] ServletContext.log():attribute: 
com.sun.enterprise.http.sessiontracker=org.apache.coyote.tomcat5.sessiontrac...@86caf8
PWC1412: WebModule[/hello2] ServletContext.log():MyOwnFilter2:DoAfterProcessing
PWC1412: WebModule[/hello2] ServletContext.log():attribute: 
com.sun.enterprise.http.sessiontracker=org.apache.coyote.tomcat5.sessiontrac...@86caf8

>From the first few lines of the output log above, MyOwnFilter2:initializing 
>filter and MyOwnFilter2:doFilter/DoBeforeProcessing filter are being logged 
>before MyOwnFilter. Since MyOwnFilter defined in the XML comes before 
>MyOwnFilter2, from the log it looks to me MyOwnFilter 2 is executed befor 
>MyOwnFilter. Anyone can comment on why is the logging sequence out of order?
 
Thanks.
 
Regards,
Peeter


                                          
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