Grouper Users - Open Discussion List

[David Langenberg <>]

Thanks Dominique,

I've filed https://bugs.internet2.edu/jira/browse/GRP-902 for this issue.

Dave

--
David Langenberg
Identity & Access Management
The University of Chicago




On Apr 27, 2013, at 10:30 AM, Dominique Petitpierre 
<>
 wrote:

> Hello,
> 
> in Grouper 2.1.3 if a group name contains a dollar sign followed by a
> number, e.g. "i$7fco_gest", the PSP daemon reports a weird error:
> 
> java.lang.IndexOutOfBoundsException: No group 7
> 
> You will find in annexe an extract of the grouper_error.log showing
> that message together with the full java stack.
> 
> This does not happen if the dollar sign is followed by a letter.
> 
> Since it happens in the context of a replaceAll(regex,replacement), it
> looks like the "group 7" in question is in fact referring to what
> would have matched the 7th parenthesized expression of a the regular
> expression (capturing group).
> 
> Strange that a data string (i.e. obtained from the Grouper DB or LDAP)
> is used as the replacement string in a replaceAll operation! I guess
> that a group name containing a backslash ("\") would also cause
> problems in that case.
> 
> Eventhough it occurs in the LdapSourceAdapter code, I did not see such
> errors in other context than the PSP (in particular the UI and gsh
> loader don't seem to trigger it).
> 
> Probably a quick fix is to quote sequences of characters, like "$7",
> significant in the replacement pattern (may be with quoteReplacement
> http://docs.oracle.com/javase/7/docs/api/java/util/regex/Matcher.html#quoteReplacement%28java.lang.String%29
>  ).
> 
> Best regards,
> Dominique
> 
> Mr Dominique Petitpierre, user=Dominique.Petitpierre domain=unige.ch
> IT Division, University of Geneva, Switzerland
> <grouper_error.log_extract.txt>