iterate tag throws NullPointerException when assigned property is null/missing
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Key: IBATIS-377
URL: http://issues.apache.org/jira/browse/IBATIS-377
Project: iBatis for Java
Issue Type: Bug
Components: SQL Maps
Affects Versions: 2.1.7
Environment: N/A
Reporter: Jamison
Priority: Minor
When using the iterate tag in a statement if the property assigned is null the
following exception is thrown:
Caused by: java.lang.NullPointerException
at
com.ibatis.sqlmap.engine.mapping.statement.GeneralStatement.executeQueryWithCallback(GeneralStatement.java:188)
at
com.ibatis.sqlmap.engine.mapping.statement.GeneralStatement.executeQueryForList(GeneralStatement.java:123)
I believe that this condition should be detected and a specific exception
should be thrown. This would allow users to detect the specifc condition that
is causing the problem, a generic NullPointerException is not ideal for that. I
would also suggest that null might be treated as an empty collection but I
would be afraid that it might break backward compatibility for some people.
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