[logback-dev] [Bug 129] New: An <include> in an included file leads to out of memory

bugzilla-daemon at pixie.qos.ch bugzilla-daemon at pixie.qos.ch
Fri Feb 22 16:41:17 CET 2008


           Summary: An <include> in an included file leads to out of memory
           Product: logback-core
           Version: unspecified
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: blocker
          Priority: P1
         Component: Joran
        AssignedTo: logback-dev at qos.ch
        ReportedBy: mfranz at intershop.de

Situation: 3 configuration files A.xml, B.xml and C.xml
A includes B and B includes C

This leads Joran to run into out of memory.

The reason is in class ch.qos.logback.core.joran.action.IncludeAction
The begin() method fills the instance variable recoder with events and adds
them to the global list. But since there is only one instance of IncludeAction
it adds the already added events from the first include a second time at the
second include event. This leads to an almost endless loop.
A not that severe effect is that if a single file contains multiple includes it
executes the first include as often as the total number of includes is.

To solve this for me clearing the event list at the end of the begin method
worked well:

  public void begin(InterpretationContext ec, String name, Attributes
      throws ActionException {



    // This is my fix

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