JCS : element expires sooner than configured

[Sahib Bin Mahboob Ron <sa...@cefalo.com>]

Hi,

I am trying to configure a JCS using the following configuration:

# DEFAULT CACHE REGION

jcs.default=
jcs.default.cacheattributes=
    org.apache.commons.jcs.engine.CompositeCacheAttributes
jcs.default.cacheattributes.MaxObjects=1000
jcs.default.cacheattributes.MemoryCacheName=
    org.apache.commons.jcs.engine.memory.lru.LRUMemoryCache

jcs.default.elementattributes=org.apache.commons.jcs.engine.ElementAttributes
jcs.default.elementattributes.IsEternal=false
jcs.default.elementattributes.MaxLife=300
jcs.default.elementattributes.IsSpool=false


While it is expected to expire the item in 300 seconds as per MaxLife
configuration, it does not work properly in following steps:

1. Putting a key "aKey" for the first time in cache: It works perfectly.
2. "aKey" expires after 300 seconds.
3. Put "aKey" again on the cache.
4. It expires immediately.

Am I missing any configuration or this is the way it should behave?

- Sahib

Re: JCS : element expires sooner than configured

[Thomas Vandahl <tv...@apache.org>]

Ouch, that hurt. I'm sorry, this is a problem with ElementAttributes.clone() not updating createTime. I fixed it in trunk. Could you try if it works for you?

Bye, Thomas 

-- tv

> Am 23.01.2017 um 10:48 schrieb Sahib Bin Mahboob Ron <sa...@cefalo.com>:
> 
> Hi,
> 
> I am trying to configure a JCS using the following configuration:
> 
> # DEFAULT CACHE REGION
> 
> jcs.default=
> jcs.default.cacheattributes=
>    org.apache.commons.jcs.engine.CompositeCacheAttributes
> jcs.default.cacheattributes.MaxObjects=1000
> jcs.default.cacheattributes.MemoryCacheName=
>    org.apache.commons.jcs.engine.memory.lru.LRUMemoryCache
> 
> jcs.default.elementattributes=org.apache.commons.jcs.engine.ElementAttributes
> jcs.default.elementattributes.IsEternal=false
> jcs.default.elementattributes.MaxLife=300
> jcs.default.elementattributes.IsSpool=false
> 
> 
> While it is expected to expire the item in 300 seconds as per MaxLife
> configuration, it does not work properly in following steps:
> 
> 1. Putting a key "aKey" for the first time in cache: It works perfectly.
> 2. "aKey" expires after 300 seconds.
> 3. Put "aKey" again on the cache.
> 4. It expires immediately.
> 
> Am I missing any configuration or this is the way it should behave?
> 
> - Sahib


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