JBoss EAP 7.4.2 中尝试同时从外部 Artemis 服务器接收 JMS 消息的 Camel 路由设置失败,并出现以下警告。
2023-xx-xx 16:04:37,066 GMT WARN [org.apache.camel.component.jms.DefaultJmsMessageListenerContainer] (Camel (StandardContext)
thread #12 - JmsConsumer[XXXQueue]) Setup of JMS message listener invoker failed for destination 'XXXQueue'
- trying to recover. Cause: Only allowed one session per connection. See the J2EE spec, e.g. J2EE1.4 Section 6.6
骆驼路线:
from("jms:queue:XXX?concurrentConsumers=2") // or more
.process("xyz")
.end();
环境:
JBoss EAP 7.4.2 从三个外部 Artemis 2.16 服务器接收 JMS 消息,支持使用默认协议的故障转移/HA,使用 Apache Camel 2.25.4。
Artemis资源适配器设置:
<subsystem xmlns="urn:jboss:domain:messaging-activemq:13.0">
<remote-connector name="netty-artemis-sharedinternal-1" socket-binding="artemis-sharedinternal-1"/>
<remote-connector name="netty-artemis-sharedinternal-2" socket-binding="artemis-sharedinternal-2"/>
<remote-connector name="netty-artemis-sharedinternal-3" socket-binding="artemis-sharedinternal-3"/>
<pooled-connection-factory name="org.apache.activemq" entries="java:/ConnectionFactory" connectors="netty-artemis-sharedinternal-1 netty-artemis-sharedinternal-2 netty-artemis-sharedinternal-3" ha="true" failover-on-initial-connection="true" use-topology-for-load-balancing="true" transaction="none" user="user" password="password" min-pool-size="24" use-auto-recovery="true" max-pool-size="256" initial-connect-attempts="2" statistics-enabled="true" enable-amq1-prefix="false">
<inbound-config use-jndi="false" rebalance-connections="true" setup-attempts="2" setup-interval="5000"/>
</pooled-connection-factory>
...
询问:
您使用的 Camel 组件是为“普通”JMS 编写的
ConnectionFactory
。但是,您使用的是来自 ConnectionFactory
的基于 JCA 的 pooled-connection-factory
。
避免警告的方法是使用
connection-factory
而不是 pooled-connection-factory
。这是一个基于您已配置的示例:
<connection-factory name="org.apache.activemq" entries="java:/ConnectionFactory" connectors="netty-artemis-sharedinternal-1 netty-artemis-sharedinternal-2 netty-artemis-sharedinternal-3" ha="true" failover-on-initial-connection="true" use-topology-for-load-balancing="true" enable-amq1-prefix="false"/>