Bug 180408 After correct the expression of dimension, NPE throws out and the x-tab can not be previewed anymore[1102]
Description: After correct the expression of level, NPE throws out and the x-tab can not be previewed anymore[1102] Build number: 2.2.0.v20070402-0630 Steps to reproduce: 1, New a cube with two report design 2, New a x-tab using the cube 3, Change the level's name to CUSTOMER_REGION1 4, Preview the report 5, Correct the expression in x-tab: dimension["Customer"]["CUSTOMER_REGION1"] 6, Preview the report Expected result: After step4, the report can not be previewed but not shown up the NPE message After step5 and 6, the report can be previewed successfully Actual result: After step4, NPE pops up After step6, NPE still pops up Error log:
data/org.eclipse.birt.report.data.adapter/src/org/eclipse/birt/report/data/adapter/impl/DataSetIterator.java
{
					prepareLevels( query,
							resultMetaList,
							levelNameColumnNamePair,
							hierHandle );
				}
				else
				{
					
					/*Use different data set
					 Iterator it = cubeHandle.joinConditionsIterator( );
					 DimensionConditionHandle dimCondHandle = (DimensionConditionHandle) it.next( );
					 
					 if ( dimCondHandle.getHierarchy( ).equals( hierHandle ))
					 {
					 dimCondHandle.getPrimaryKeys( )
					 }*/
				}
			}
		}
		prepareMeasure( cubeHandle, query, resultMetaList );
		this.it = session.prepare( query ).execute( null ).getResultIterator( );
		populateMeta( levelNameColumnNamePair, resultMetaList );
	}
	/**
	 * 
	 * @param cubeHandle
	 * @param query
	 * @param resultMetaList
	 */