You are right. I know this but I didn't pay attention ...
Thanks for reviewing the commits!

On Wed, Feb 22, 2012 at 7:13 PM, Igor Vaynberg <[email protected]> wrote:
> when using variable placeholders in the log statements there is no
> need to check if the logging level is enabled because the call to
> check is just as expensive as the call to log.
>
> these kinds of checks only make sense if the log statement uses string
> concats like this:
>
> log.warn("page "+page+" cannot be ...")
>
> because then you have the overhead of page's tostring() plus
> stringbuilder and concats
>
> -igor
>
> On Wed, Feb 22, 2012 at 8:53 AM,  <[email protected]> wrote:
>> Check whether warning level is enabled before trying to log.
>>
>>
>> Project: http://git-wip-us.apache.org/repos/asf/wicket/repo
>> Commit: http://git-wip-us.apache.org/repos/asf/wicket/commit/2b7b03ac
>> Tree: http://git-wip-us.apache.org/repos/asf/wicket/tree/2b7b03ac
>> Diff: http://git-wip-us.apache.org/repos/asf/wicket/diff/2b7b03ac
>>
>> Branch: refs/heads/master
>> Commit: 2b7b03acc792dd90e777fa1e7b8d728f74884f34
>> Parents: 009884c
>> Author: Martin Tzvetanov Grigorov <[email protected]>
>> Authored: Wed Feb 22 14:48:45 2012 +0100
>> Committer: Martin Tzvetanov Grigorov <[email protected]>
>> Committed: Wed Feb 22 14:48:45 2012 +0100
>>
>> ----------------------------------------------------------------------
>>  .../apache/wicket/pageStore/DefaultPageStore.java  |    2 +-
>>  1 files changed, 1 insertions(+), 1 deletions(-)
>> ----------------------------------------------------------------------
>>
>>
>> http://git-wip-us.apache.org/repos/asf/wicket/blob/2b7b03ac/wicket-core/src/main/java/org/apache/wicket/pageStore/DefaultPageStore.java
>> ----------------------------------------------------------------------
>> diff --git 
>> a/wicket-core/src/main/java/org/apache/wicket/pageStore/DefaultPageStore.java
>>  
>> b/wicket-core/src/main/java/org/apache/wicket/pageStore/DefaultPageStore.java
>> index abab7b8..70fc18d 100644
>> --- 
>> a/wicket-core/src/main/java/org/apache/wicket/pageStore/DefaultPageStore.java
>> +++ 
>> b/wicket-core/src/main/java/org/apache/wicket/pageStore/DefaultPageStore.java
>> @@ -379,7 +379,7 @@ public class DefaultPageStore implements IPageStore
>>                {
>>                        serializedPage = new SerializedPage(sessionId, 
>> page.getPageId(), data);
>>                }
>> -               else
>> +               else if (LOG.isWarnEnabled())
>>                {
>>                        LOG.warn("Page {} cannot be serialized. See previous 
>> logs for possible reasons.", page);
>>                }
>>



-- 
Martin Grigorov
jWeekend
Training, Consulting, Development
http://jWeekend.com

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