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
{
				supported = true;
				break;
			}
		}
		if ( !supported )
		{
			log.log( Level.SEVERE,
					MessageConstants.FORMAT_NOT_SUPPORTED_EXCEPTION, format );
			throw new UnsupportedFormatException(
					MessageConstants.FORMAT_NOT_SUPPORTED_EXCEPTION, format );
		}
		pagination = extManager.getPagination( format );
		Boolean outputDisplayNone = extManager.getOutputDisplayNone( format );
		if ( !renderOptions.hasOption( IRenderOption.OUTPUT_DISPLAY_NONE ) )
		{
			renderOptions.setOption( IRenderOption.OUTPUT_DISPLAY_NONE,
					outputDisplayNone );
		}
		IContentEmitter emitter = null;
		try
		{
			emitter = extManager.createEmitter( format, emitterID );
		}
		catch ( Throwable t )
		{
			log.log( Level.SEVERE, "Report engine can not create {0} emitter.", 
					format ); 
			throw new EngineException(
					MessageConstants.CANNOT_CREATE_EMITTER_EXCEPTION, format, t );