[ http://nagoya.apache.org/jira/browse/IBATIS-34?page=history ]
Larry Meadors resolved IBATIS-34:
---------------------------------
Assign To: (was: Larry Meadors)
Resolution: Fixed
Applied patch, ran unit tests, and committed.
> Exception while serializable NULL value (CacheModel)
> ----------------------------------------------------
>
> Key: IBATIS-34
> URL: http://nagoya.apache.org/jira/browse/IBATIS-34
> Project: iBatis for Java
> Type: Bug
> Components: SQL Maps
> Versions: 2.0.8
> Environment: Cache turn on: <settings cacheModelsEnabled="true" />
> Cache model:
> <cacheModel id="ActionCacheModel" type="LRU" readOnly="false"
> serialize="true">
> ...
> </cacheModel>
> Reporter: Alexander Dederer
> Priority: Critical
> Attachments: CacheModel.java
>
> Method addObject craches when trying serializate null value.
> INFO:
> SQL request return empty ResultSet. CacheModel.java trying caching null value
> througth Serializable is serialize variable is TRUE and craches with
> Exception.
> To resolve this bug nedeed changes in addObject and getObject methods:
> /* com.ibatis.sqlmap.engine.cache.CacheModel.addObject */
> 300 if (null == value) value = NULL_OBJECT;
> 301 if (serialize && !readOnly && value != null) {
> to:
> 300 if (null == value) value = NULL_OBJECT;
> 301 if (serialize && !readOnly && value != NULL_OBJECT) {
> /* com.ibatis.sqlmap.engine.cache.CacheModel.getObject */
> 270 if (serialize && !readOnly && value != null) {
> to:
> 270 if (serialize && !readOnly && (value != NULL_OBJECT && value != null))
> {
> and finally return realy null referene when founded NULL_OBJECT in the cache:
> 289 return value;
> to:
> 289 return value == NULL_OBJECT ? null : value;
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