MartinDai opened a new issue #143: RocketMQLocalTransactionListener auto config not support placeholder value URL: https://github.com/apache/rocketmq-spring/issues/143 **BUG REPORT** 1. Please describe the issue you observed: - What did you do (The steps to reproduce)? ### Here is part of my config code and yml **ClearUserTransactionListener.java** ``` @Component @RocketMQTransactionListener(txProducerGroup = "${rocketmq.producer.txGroup}") public class ClearUserTransactionListener implements RocketMQLocalTransactionListener { //other code } ``` **application.yml** ``` rocketmq: producer: txGroup: clearUserGroup ``` - What did you expect to see? When the ClearUserTransactionListener is initialized，The value of field ```txProducerGroup``` will be replaced by ```clearUserGroup```. - What did you see instead? **Initialization exception** ``` Caused by: org.apache.rocketmq.client.exception.MQClientException: the specified group[${rocketmq.producer.txGroup}] contains illegal characters, allowing only ^[%|a-zA-Z0-9_-]+$ For more information, please visit the url, http://rocketmq.apache.org/docs/faq/ at org.apache.rocketmq.client.Validators.checkGroup(Validators.java:57) at org.apache.rocketmq.client.impl.producer.DefaultMQProducerImpl.checkConfig(DefaultMQProducerImpl.java:217) at org.apache.rocketmq.client.impl.producer.DefaultMQProducerImpl.start(DefaultMQProducerImpl.java:176) at org.apache.rocketmq.client.impl.producer.DefaultMQProducerImpl.start(DefaultMQProducerImpl.java:168) at org.apache.rocketmq.client.producer.DefaultMQProducer.start(DefaultMQProducer.java:231) at org.apache.rocketmq.client.producer.TransactionMQProducer.start(TransactionMQProducer.java:48) at org.apache.rocketmq.spring.core.RocketMQTemplate.createAndStartTransactionMQProducer(RocketMQTemplate.java:584) ``` 2. Please tell us about your environment: spring-boot-starter-parent:2.1.4.RELEASE rocketmq-spring-boot-starter:2.0.2
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