error when using decrementing Queued count in the postprocessor

Hi i am trying to use decrementing the queued count in post processor but i am encountering following error.



mirth version:3.1.1.7461



code i am using in post processor:-

varstatsController=Packages.com.mirth.connect.serv er.controllers.ChannelStatisticsController.getInst ance();

statsController.decrementQueuedCount('231752b8-b129-4b8e-910e-ff0975afbf48');



Error i am getting:-

[2015-02-09 09:35:03,171] ERROR (com.mirth.connect.server.util.javascript.JavaScri ptUtil:465): Error executing Postprocessor script from channel: 231752b8-b129-4b8e-910e-ff0975afbf48

com.mirth.connect.server.MirthJavascriptTransforme rException: SOURCE CODE:

52: }53: function doScript() {54: // This script executes once after a message has been processed55: // Responses returned from here will be stored as "Postprocessor" in the response map56:

Quote:

57: var statsController = Packages.com.mirth.connect.server.controllers.Chan nelStatisticsController.getInstance();58: statsController.decrementQueuedCount('231752b8-b129-4b8e-910e-ff0975afbf48');59: 60: return; 61: }LINE NUMBER: 57DETAILS: TypeError: Cannot call property getInstance in object [JavaPackage com.mirth.connect.server.controllers.ChannelStatis ticsController]. It is not a function, it is "object".

at 231752b8-b129-4b8e-910e-ff0975afbf48_Postprocessor:57 (doScript)

at 231752b8-b129-4b8e-910e-ff0975afbf48_Postprocessor:62

at com.mirth.connect.server.util.javascript.JavaScrip tUtil.executeScript(JavaScriptUtil.java:490)

at com.mirth.connect.server.util.javascript.JavaScrip tUtil.executePostprocessorScripts(JavaScriptUtil.j ava:243)

at com.mirth.connect.server.transformers.JavaScriptPo stprocessor$JavaScriptPostProcessorTask.call(JavaS criptPostprocessor.java:58)

at java.util.concurrent.FutureTask.run(Unknown Source)

at java.util.concurrent.ThreadPoolExecutor.runWorker( Unknown Source)

at java.util.concurrent.ThreadPoolExecutor$Worker.run (Unknown Source)

at java.lang.Thread.run(Unknown Source)





can someone please help me with this error.



Thanks.

error when using decrementing Queued count in the postprocessor