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RequestVar cleanup not being called when request ends #1160

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indrajitr opened this Issue Dec 13, 2011 · 1 comment

5 participants

@indrajitr
Lift Web Framework member

Hi David,

Am reporting bug [[url:https://groups.google.com/forum/#!searchin/liftweb/noel/liftweb/1_7JAJwAfto/Ktjn_W_kDtAJ|as requested]].

My problem is that RequestVar cleanupFunc doesn't run at the end of each http request, which is resulting in a memory leak for my usage:

I'm using a RequestVar to provide a service which needs to be disposed of correctly when it is no longer needed, ie it is not advised to leave it to the garbage collector to tidy up. Therefore I registered the RequestVar to clean up after use via the registerCleanupFunc .
However, the behaviour I'm seeing is that for the first use only (1st http request) the service is shutdown correctly. Any usages after this don't seem to be clean up properly, ie the lambda I passed to registerCleanupFunc isnt being called again.

Here is my code:

object HttpDispatchConnection extends RequestVarHttp {
registerCleanupFunc(ignore => is.shutdown())
}

@dpp dpp was assigned Mar 1, 2012
@Shadowfiend Shadowfiend assigned Shadowfiend and unassigned dpp May 13, 2014
@Shadowfiend Shadowfiend added this to the 3.0-M1 milestone May 13, 2014
@farmdawgnation farmdawgnation modified the milestone: 3.0-M2, 3.0-M3 Nov 26, 2014
@Shadowfiend Shadowfiend modified the milestone: 3.0-M3 Jan 14, 2015
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