The only code changes related to that were with managed transactions.
Which transacion manager are you using?  (JDBC or MANAGED)?

Cheers,
Clinton

2010/5/1 François Schiettecatte <fschietteca...@gmail.com>:
> Hi
>
> I grabbed the latest, greatest release of 3.0 from :
>
>        
> http://people.apache.org/builds/ibatis/ibatis-3-core/ibatis-core-3.0-bundle.zip
>
> and am now getting an exception from time to time, but I was not getting it 
> with the previous 3.0 beta release (240). I was wondering if there had been 
> any change in the code which deals with connections and pool between those 
> two releases. What it looks like to me is that connections are not being 
> returned to the pool after I close the SqlSession. I have mysql set to 
> timeout idle connections after 60 seconds and the connection pool to time out 
> idle connections after 50 seconds. Again this was not an issue in 240.
>
> Any suggestions?
>
> Cheers
>
> François
>
>
> 2010-05-01 01:54:20,609 [pool-1-thread-1] ERROR com.poplar.crawler.Worker - 
> org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:8)
> 2010-05-01 01:54:20,609 [pool-1-thread-1] ERROR com.poplar.crawler.Worker - 
> org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:61)
> 2010-05-01 01:54:20,609 [pool-1-thread-1] ERROR com.poplar.crawler.Worker - 
> org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:53)
> 2010-05-01 01:54:20,609 [pool-1-thread-1] ERROR com.poplar.crawler.Worker - 
> org.apache.ibatis.session.defaults.DefaultSqlSession.selectOne(DefaultSqlSession.java:38)
> 2010-05-01 01:54:20,609 [pool-1-thread-1] ERROR com.poplar.crawler.Worker - 
> com.poplar.sql.IBatis.selectObject(IBatis.java:554)
> 2010-05-01 01:54:20,609 [pool-1-thread-1] ERROR com.poplar.crawler.Worker - 
> com.poplar.db.dictionaries.Category.fromCategoryName(Category.java:118)
> 2010-05-01 01:54:20,609 [pool-1-thread-1] ERROR com.poplar.crawler.Worker - 
> com.poplar.db.items.ItemCategory.<init>(ItemCategory.java:201)
> 2010-05-01 01:54:20,609 [pool-1-thread-1] ERROR com.poplar.crawler.Worker - 
> com.poplar.db.items.ItemCategory.<init>(ItemCategory.java:227)
> 2010-05-01 01:54:20,609 [pool-1-thread-1] ERROR com.poplar.crawler.Worker - 
> com.poplar.db.items.Item.addItemCategory(Item.java:2182)
> 2010-05-01 01:54:20,609 [pool-1-thread-1] ERROR com.poplar.crawler.Worker - 
> com.poplar.crawler.processors.FeedProcessor.processEntryCategories(FeedProcessor.java:2494)
> 2010-05-01 01:54:20,609 [pool-1-thread-1] ERROR com.poplar.crawler.Worker - 
> com.poplar.crawler.processors.FeedProcessor.process(FeedProcessor.java:823)
> 2010-05-01 01:54:20,609 [pool-1-thread-1] ERROR com.poplar.crawler.Worker - 
> com.poplar.crawler.Worker.crawl(Worker.java:1313)
> 2010-05-01 01:54:20,609 [pool-1-thread-1] ERROR com.poplar.crawler.Worker - 
> com.poplar.crawler.Worker.crawlSourceKey(Worker.java:681)
> 2010-05-01 01:54:20,609 [pool-1-thread-1] ERROR com.poplar.crawler.Worker - 
> com.poplar.crawler.Worker.run(Worker.java:591)
> 2010-05-01 01:54:20,609 [pool-1-thread-1] ERROR com.poplar.crawler.Worker - 
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> 2010-05-01 01:54:20,609 [pool-1-thread-1] ERROR com.poplar.crawler.Worker - 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> 2010-05-01 01:54:20,609 [pool-1-thread-1] ERROR com.poplar.crawler.Worker - 
> java.lang.Thread.run(Thread.java:619)
> 2010-05-01 01:54:20,609 [pool-1-thread-1] WARN  com.poplar.crawler.Worker - 
> Failed to crawl the source key: 'C01240E19154BE7BDA3703F726D5A68190D4A540', 
> exception: 'org.apache.ibatis.exceptions.IbatisException:
> ### Error querying database.  Cause: 
> com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link 
> failure
>
> The last packet successfully received from the server was 104,024 
> milliseconds ago.  The last packet sent successfully to the server was 0 
> milliseconds ago.
> ### The error may involve 
> dictionaries.Category.selectObjectByCategoryName-Inline
> ### The error occurred while setting parameters
> ### Cause: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: 
> Communications link failure
>
> The last packet successfully received from the server was 104,024 
> milliseconds ago.  The last packet sent successfully to the server was 0 
> milliseconds ago.'.
>
>
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