NPE

[Tom Duffey-2]

Hi All,

Just upgraded to 2.3.2 and getting an NPE.  This is because "type" is  
null in the call to: Enum.class.isAssignableFrom(type).  Looks like  
you need to be careful not to do that if type is null?

Tom

java.lang.NullPointerException
        at java.lang.Class.isAssignableFrom(Native Method)
        at  
com
.ibatis
.sqlmap
.engine.type.TypeHandlerFactory.getTypeHandler(TypeHandlerFactory.java:
143)
        at  
com
.ibatis
.sqlmap
.engine.type.TypeHandlerFactory.getTypeHandler(TypeHandlerFactory.java:
123)
        at  
com
.ibatis
.sqlmap
.engine
.mapping.result.ResultMap.prepareBeanParameterObject(ResultMap.java:591)
        at  
com
.ibatis
.sqlmap
.engine
.mapping.result.ResultMap.getNestedSelectMappingValue(ResultMap.java:
475)
        at  
com
.ibatis
.sqlmap.engine.mapping.result.ResultMap.getResults(ResultMap.java:341)
        at  
com
.ibatis
.sqlmap.engine.execution.SqlExecutor.handleResults(SqlExecutor.java:384)
        at  
com
.ibatis
.sqlmap
.engine.execution.SqlExecutor.handleMultipleResults(SqlExecutor.java:
300)
        at  
com
.ibatis
.sqlmap.engine.execution.SqlExecutor.executeQuery(SqlExecutor.java:189)
        at  
com
.ibatis
.sqlmap
.engine
.mapping
.statement.MappedStatement.sqlExecuteQuery(MappedStatement.java:221)
        at  
com
.ibatis
.sqlmap
.engine
.mapping
.statement
.MappedStatement.executeQueryWithCallback(MappedStatement.java:189)
        at  
com
.ibatis
.sqlmap
.engine
.mapping
.statement.MappedStatement.executeQueryForList(MappedStatement.java:139)
        at  
com
.ibatis
.sqlmap
.engine
.impl.SqlMapExecutorDelegate.queryForList(SqlMapExecutorDelegate.java:
567)
        at  
com
.ibatis
.sqlmap
.engine
.impl.SqlMapExecutorDelegate.queryForList(SqlMapExecutorDelegate.java:
541)
        at  
com
.ibatis
.sqlmap
.engine.impl.SqlMapSessionImpl.queryForList(SqlMapSessionImpl.java:118)
        at  
com
.ibatis
.sqlmap
.engine.impl.SqlMapClientImpl.queryForList(SqlMapClientImpl.java:94)

[Stefan Guggisberg]

wrong list i suppose ;)

cheers
stefan

On 03.07.2008, at 19:18, Tom Duffey <tduffey@...> wrote:

> Hi All,
>
> Just upgraded to 2.3.2 and getting an NPE.  This is because "type"  
> is null in the call to: Enum.class.isAssignableFrom(type).  Looks  
> like you need to be careful not to do that if type is null?
>
> Tom
>
> java.lang.NullPointerException
>    at java.lang.Class.isAssignableFrom(Native Method)
>    at com.ibatis.sqlmap.engine.type.TypeHandlerFactory.getTypeHandler
> (TypeHandlerFactory.java:143)
>    at com.ibatis.sqlmap.engine.type.TypeHandlerFactory.getTypeHandler
> (TypeHandlerFactory.java:123)
>    at  
> com.
> ibatis.
> sqlmap.engine.mapping.result.ResultMap.prepareBeanParameterObject
> (ResultMap.java:591)
>    at  
> com.
> ibatis.
> sqlmap.engine.mapping.result.ResultMap.getNestedSelectMappingValue
> (ResultMap.java:475)
>    at com.ibatis.sqlmap.engine.mapping.result.ResultMap.getResults
> (ResultMap.java:341)
>    at com.ibatis.sqlmap.engine.execution.SqlExecutor.handleResults
> (SqlExecutor.java:384)
>    at  
> com.ibatis.sqlmap.engine.execution.SqlExecutor.handleMultipleResults
> (SqlExecutor.java:300)
>    at com.ibatis.sqlmap.engine.execution.SqlExecutor.executeQuery
> (SqlExecutor.java:189)
>    at  
> com.
> ibatis.
> sqlmap.engine.mapping.statement.MappedStatement.sqlExecuteQuery
> (MappedStatement.java:221)
>    at  
> com.
> ibatis.
> sqlmap.
> engine.mapping.statement.MappedStatement.executeQueryWithCallback
> (MappedStatement.java:189)
>    at  
> com.
> ibatis.
> sqlmap.engine.mapping.statement.MappedStatement.executeQueryForList
> (MappedStatement.java:139)
>    at  
> com.ibatis.sqlmap.engine.impl.SqlMapExecutorDelegate.queryForList
> (SqlMapExecutorDelegate.java:567)
>    at  
> com.ibatis.sqlmap.engine.impl.SqlMapExecutorDelegate.queryForList
> (SqlMapExecutorDelegate.java:541)
>    at com.ibatis.sqlmap.engine.impl.SqlMapSessionImpl.queryForList
> (SqlMapSessionImpl.java:118)
>    at com.ibatis.sqlmap.engine.impl.SqlMapClientImpl.queryForList
> (SqlMapClientImpl.java:94)
>
>