Bug 207258 Error exception message in type validation of multi-value parameters
If there is any exception in type validation of multi-value parameter, we will always get following error message: The type of parameter "NewParameter" is expected as "Object[]", not "Array".. This message is incorrect. Please replace the "Array" with the correct value type.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/api/impl/EngineTask.java
String name = (String) entry.getKey( );
			String text = (String) entry.getValue( );
			setParameterDisplayText( name, text );
		}
	}
	public void setParameterDisplayText( String name, String displayText )
	{
		parameterChanged = true;
		Object parameter = inputValues.get( name );
		if ( parameter != null )
		{
			assert parameter instanceof ParameterAttribute;
			( (ParameterAttribute) parameter ).setDisplayText( displayText );
		}
		else
		{
			inputValues.put( name, new ParameterAttribute( null, displayText ) );
		}
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.engine.api.IEngineTask#cancel()
	 */
	public void cancel( )
	{
		cancelFlag = true;
		executionContext.cancel( );
	}
	public void cancel( Object signal )