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
else if ( DesignChoiceConstants.PARAM_TYPE_STRING.equals( type ) )
			{
				return DataTypeUtil.toString( value );
			}
			else if ( DesignChoiceConstants.PARAM_TYPE_INTEGER.equals( type ) )
			{
				return DataTypeUtil.toInteger( value );
			}
			return value;
		}
		catch ( BirtException e )
		{
			log.log( Level.SEVERE, e.getLocalizedMessage( ), e );
		}
		return null;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.engine.api2.IRunAndRenderTask#validateParameters()
	 */
	public boolean validateParameters( )
	{
		if ( runnable == null )
		{
			return false;
		}
		
		try
		{