Trying to recreating zhang cheng problem see http://forum.mulesoft.org/mulesoft/topics/message_getproperty_propertyscope_invocation_not_work

InsertProperty.java

import org.mule.api.MuleMessage;
import org.mule.api.transformer.TransformerException;
import org.mule.api.transport.PropertyScope;
import org.mule.transformer.AbstractMessageTransformer;


public class InsertProperty extends AbstractMessageTransformer {

  @Override
	public Object transformMessage(MuleMessage message, String outputEncoding)
			throws TransformerException {
		// Set MyId
		message.setProperty("MyId", "test", PropertyScope.INVOCATION);
		return message;
	}

}

qxtenddemo.xml

<?xml version="1.0" encoding="UTF-8"?>

<mule xmlns:http="http://www.mulesoft.org/schema/mule/http" xmlns="http://www.mulesoft.org/schema/mule/core" xmlns:doc="http://www.mulesoft.org/schema/mule/documentation" xmlns:spring="http://www.springframework.org/schema/beans" version="EE-3.3.2" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="
http://www.mulesoft.org/schema/mule/http http://www.mulesoft.org/schema/mule/http/current/mule-http.xsd 
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-current.xsd 
http://www.mulesoft.org/schema/mule/core http://www.mulesoft.org/schema/mule/core/current/mule.xsd ">
    <flow name="qxtenddemoFlow1" doc:name="qxtenddemoFlow1">
        <http:inbound-endpoint exchange-pattern="request-response" host="localhost" port="8081" doc:name="HTTP"/>
        <custom-transformer class="InsertProperty" doc:name="Insert"/>
        <logger level="ERROR" doc:name="Logger"/>
        <custom-transformer class="ReadMyId" doc:name="Read"/>
    </flow>
</mule>

ReadMyId.java

import org.apache.log4j.Logger;
import org.mule.api.MuleMessage;
import org.mule.api.transformer.TransformerException;
import org.mule.api.transport.PropertyScope;
import org.mule.transformer.AbstractMessageTransformer;


public class ReadMyId extends AbstractMessageTransformer {
  
	Logger log = Logger.getLogger(ReadMyId.class);

	@Override
	public Object transformMessage(MuleMessage message, String outputEncoding)
			throws TransformerException {
		// Get and log MyId
		log.info("MyId is : " + message.getProperty("MyId", PropertyScope.INVOCATION));
		return message;
	}

}