Why does cacheTimeout setting of renderView() in ColdBox application have no effect? - cfml

Question

I'm developing a ColdBox application with modules and wanted to use it's caching functionality to cache a view for some time.
component{
property name="moduleConfig" inject="coldbox:moduleConfig:mymodule";
...
function widget(event, rc, prc){
var viewData = this.getData();
return renderView(
view = "main/widget",
args = viewData,
cache = true,
cacheSuffix = ":" & moduleConfig.entryPoint,
cacheTimeout = 2
);
}
}
I tried to set the default caching config by adding the following info to my Cachebox.cfc and removed the cacheTimeout from the code above:
cacheBox = {
defaultCache = {
objectDefaultTimeout = 1, //two hours default
objectDefaultLastAccessTimeout = 1, //30 minutes idle time
useLastAccessTimeouts = false,
reapFrequency = 5,
freeMemoryPercentageThreshold = 0,
evictionPolicy = "LRU",
evictCount = 1,
maxObjects = 300,
objectStore = "ConcurrentStore", //guaranteed objects
coldboxEnabled = false
},
caches = {
// Named cache for all coldbox event and view template caching
template = {
provider = "coldbox.system.cache.providers.CacheBoxColdBoxProvider",
properties = {
objectDefaultTimeout = 1,
objectDefaultLastAccessTimeout = 1,
useLastAccessTimeouts = false,
reapFrequency = 5,
freeMemoryPercentageThreshold = 0,
evictionPolicy = "LRU",
evictCount = 2,
maxObjects = 300,
objectStore = "ConcurrentSoftReferenceStore" //memory sensitive
}
}
}
};
Though that didn't have any influence on the caching. I've also tried to add the config above to my Coldbox.cfc.
Even if I create a completely new test app via CommandBox via coldbox create app MyApp, then only set the the caching in Cachebox.cfc to one minute, set viewCaching = true in Coldbox.cfc, and set event.setView( view="main/index", cache=true ) in the Main.cfc, it doesn't work as expected.
No matter what I do, the view is always cached for at least 5 minutes.
Is there something I am missing?

Answer 1

Make sure you have enabled view caching in your ColdBox configuration. Go to the /config/ColdBox.cfc file and add this key:
coldbox = {
// Activate view caching
viewCaching = true
}
Also, did you mistype the name of the CFC you changed for the caching above? Those changes should be in the /config/CacheBox.cfc file, not in /config/ColdBox.cfc.

Answer 2

Obviously, also the the reapFrequency in the /config/ColdBox.cfc needs to be set to a smaller value in order to let the cache entry be removed earlier.
Though, as the documentation states:
The delay in minutes to produce a cache reap (Not guaranteed)
It is not guaranteed that the cached item it really removed after that time, so it can be that the cache is empty after 3 minutes even when reapFrequency is set to 1.