I want to add a scheduled task. But I do not want the actions of this task
to run at the same time. To test this i added a sleep loop to the page to
make sure the request lasts long enough to test concurrent requests and then
I just run the page twice in two different browsers.
I have tried wrapping my code in a cflock with a short timeout but the
timeout does not seem to work. The second call just hangs until the
previous request is finished.
ex.
<cftry>
<cflock name="ScheduleLock" timeout="1" type="EXCLUSIVE"
throwontimeout="yes">
[CODE GOES HERE]
</cflock>
<cfcatch type="Lock">Already running</cfcatch>
</cftry>
I have tried creating a flag variable in the application scope which i set
to true at the top and false at the bottom. At the top I have a check to
see if the flag is set and abort if it is.
ex.
<cfset LockName="ScheduleLock" />
<cfif StructKeyExists(application, LockName) AND application[LockName] EQ
true>
Currently Running<cfabort>
<cfelse>
<cfset application[LockName]=true />
</cfif>
[CODE GOES HERE]
<cfset LockName="BatchEmailProccessorLock" />
I have made sure that each request is in the same application, but the
second request still waits for the previous request to complete.
Does anyone have a better idea. Running on CF7 Standard Edition.
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