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RE: [grouper-dev] ldappc-ng and openspml thread safety

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  • From: Chris Hyzer <>
  • To: Tom Zeller <>, Grouper Dev <>
  • Subject: RE: [grouper-dev] ldappc-ng and openspml thread safety
  • Date: Tue, 26 Jan 2010 11:25:28 -0500
  • Accept-language: en-US
  • Acceptlanguage: en-US

We could synchronize the access to the spml library on the same object.
Or do we need it to be more efficient where we need multiple threads doing
things at the same time? (i.e. even with WS having an operation which says
'provision now, something changed', we could set a timer so that it doesn't
necessarily provision, but waits 5 seconds, then provisions, and in the
meantime, if more 'provision now' requests arrive, they are ignored)


-----Original Message-----

On Behalf Of Tom Zeller
Sent: Tuesday, January 26, 2010 10:49 AM
To: Grouper Dev
Subject: [grouper-dev] ldappc-ng and openspml thread safety

The openspml library currently used by ldappc-ng is not always thread
safe ( It's
good that there is now some sort of development process underway for

If, one day, we expose provisioning via grouper-ws, I assume thread
safety is an issue. Besides finding another spml implementation, is
there a way to configure tomcat or code grouper-ws to workaround
thread safety issues ?


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