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Item6285: TWikiUserMapping logging errors

Item Form Data

AppliesTo: Component: Priority: CurrentState: WaitingFor: TargetRelease ReleasedIn
Engine TWikiUserMappingContrib Low No Action Required   n/a  

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Reported By:
Applies To:
Current State:
Waiting For:
Target Release:
Released In:


TWiki-4.3.1 causes errors to be logged to the webserver's error_log:

view: Use of uninitialized value in string eq at /srv/twiki/lib/TWiki/Users/TWikiUserMapping.pm line 471

The problem is $this->{session}->{user} does not exist on first invocation of TWiki::Users:TWikiUserMapping::userExists()

To correct the problem, simply test if the index exists first:

     # Do this to avoid a password manager lookup
-    return 1 if $cUID eq $this->{session}->{user};
+    return 1 if exists $this->{session}->{user} and $cUID eq $this->{session}->{user}; 

-- TWiki:Main/WadeFitzpatrick - 02 Jul 2009

Thanks Wade. This is a duplicate of Item6375, fixed there.

-- TWiki:Main.PeterThoeny - 2014-10-04

Summary TWikiUserMapping logging errors
ReportedBy TWiki:Main.WadeFitzpatrick
Codebase 4.3.1
SVN Range TWiki-5.0.0, Sat, 18 Apr 2009, build 18024
AppliesTo Engine
Component TWikiUserMappingContrib
Priority Low
CurrentState No Action Required


TargetRelease n/a

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Topic revision: r3 - 2014-10-04 - PeterThoeny
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