(在 11.11.11 编辑,在底部编辑)
我有两台运行 HornetQ(版本 2.2.5 AS7)服务器的 JBoss AS 6.1 服务器。让我们称另一个 CLIENT 和另一个 MASTER。
CLIENT 有一个队列(“sourceQueue”),由我们的 Web 应用程序写入。
在 CLIENT 和 MASTER 服务器之间建立了一个 JMS 桥,它使用来自 CLIENT 上的 sourceQueue 的消息,并应该在 MASTER 上的 targetQueue 上生成它们。网桥在 CLIENT JBoss 上运行。
问题:不是从源消费并在目标上产生消息,表面上似乎什么都没有发生:源有 1 条消息,目标没有。也有可能源源不断地收到该消息。
使用 netty 连接器的网络连接正在工作,这已经过测试,重新启动网桥并观察 netstat -n -c 输出。
什么样的问题会导致这种问题?
- 网络问题?
- 交易经理?
- 连接器错误?
您将如何诊断 HornetQ 桥接器的问题?
下面是 hornetq-jboss-beans.xml 上的桥接定义(在 CLIENT /jboss/server/default/deploy/hornetq 上)。定义是HornetQ 手册中 JMS 桥接示例的近似变体:
<bean name="JMSBridge" class="org.hornetq.jms.bridge.impl.JMSBridgeImpl">
<!-- HornetQ must be started before the bridge -->
<depends>HornetQServer</depends>
<constructor>
<!-- Source ConnectionFactory Factory -->
<parameter>
<inject bean="SourceCFF"/>
</parameter>
<!-- Target ConnectionFactory Factory -->
<parameter>
<inject bean="TargetCFF"/>
</parameter>
<!-- Source DestinationFactory -->
<parameter>
<inject bean="SourceDestinationFactory"/>
</parameter>
<!-- Target DestinationFactory -->
<parameter>
<inject bean="TargetDestinationFactory"/>
</parameter>
<!-- Source User Name (no username here) -->
<parameter><null /></parameter>
<!-- Source Password (no password here)-->
<parameter><null /></parameter>
<!-- Target User Name (no username here)-->
<parameter><null /></parameter>
<!-- Target Password (no password here)-->
<parameter><null /></parameter>
<!-- Selector -->
<parameter><null /></parameter>
<!-- Failure Retry Interval (in ms) -->
<parameter>5000</parameter>
<!-- Max Retries -->
<parameter>10</parameter>
<!-- Quality Of Service -->
<parameter>ONCE_AND_ONLY_ONCE</parameter>
<!-- Max Batch Size -->
<parameter>1</parameter>
<!-- Max Batch Time (-1 means infinite) -->
<parameter>-1</parameter>
<!-- Subscription name (no subscription name here)-->
<parameter><null /></parameter>
<!-- Client ID (no client ID here)-->
<parameter><null /></parameter>
<!-- Add MessageID In Header -->
<parameter>true</parameter>
<!-- register the JMS Bridge in the AS MBeanServer -->
<parameter>
<inject bean="MBeanServer"/>
</parameter>
<parameter>org.hornetq:service=MyJMSBridge</parameter>
</constructor>
<property name="transactionManager">
<inject bean="RealTransactionManager"/>
</property>
</bean>
<!-- SourceCFF describes the ConnectionFactory used to connect to the
source destination -->
<bean name="SourceCFF"
class="org.hornetq.jms.bridge.impl.JNDIConnectionFactoryFactory">
<constructor>
<parameter>
<inject bean="sourceJNDI" />
</parameter>
<parameter>/XAConnectionFactory</parameter>
</constructor>
</bean>
<!-- TargetCFF describes the ConnectionFactory used to connect to the
target destination -->
<bean name="TargetCFF"
class="org.hornetq.jms.bridge.impl.JNDIConnectionFactoryFactory">
<constructor>
<parameter>
<inject bean="targetJNDI" />
</parameter>
<parameter>/integration/XAConnectionFactory</parameter>
</constructor>
</bean>
<!-- SourceDestinationFactory describes the Destination used as the source -->
<bean name="SourceDestinationFactory"
class="org.hornetq.jms.bridge.impl.JNDIDestinationFactory">
<constructor>
<parameter>
<inject bean="sourceJNDI"/>
</parameter>
<parameter>/jms/notificationRequestQueue</parameter>
</constructor>
</bean>
<!-- TargetDestinationFactory describes the Destination used as the target -->
<bean name="TargetDestinationFactory"
class="org.hornetq.jms.bridge.impl.JNDIDestinationFactory">
<constructor>
<parameter>
<inject bean="targetJNDI" />
</parameter>
<parameter>/integration/jms/notificationRequestQueue</parameter>
</constructor>
</bean>
<!-- JNDI is a Hashtable containing the JNDI properties required -->
<!-- to connect to the sources and targets JMS resrouces -->
<bean name="sourceJNDI" class="java.util.Hashtable">
<constructor class="java.util.Map">
<map class="java.util.Hashtable" keyClass="java.lang.String"
valueClass="java.lang.String">
<entry>
<key>java.naming.factory.initial</key>
<value>org.jnp.interfaces.NamingContextFactory</value>
</entry>
<entry>
<key>java.naming.provider.url</key>
<value>jnp://localhost:1099</value>
</entry>
<entry>
<key>java.naming.factory.url.pkgs</key>
<value>org.jboss.naming:org.jnp.interfaces"</value>
</entry>
<entry>
<key>jnp.timeout</key>
<value>5000</value>
</entry>
<entry>
<key>jnp.sotimeout</key>
<value>5000</value>
</entry>
</map>
</constructor>
</bean>
<bean name="targetJNDI" class="java.util.Hashtable">
<constructor class="java.util.Map">
<map class="java.util.Hashtable" keyClass="java.lang.String"
valueClass="java.lang.String">
<entry>
<key>java.naming.factory.initial</key>
<value>org.jnp.interfaces.NamingContextFactory</value>
</entry>
<entry>
<key>java.naming.provider.url</key>
<value>jnp://TARGET-URL.example.com:1099</value>
</entry>
<entry>
<key>java.naming.factory.url.pkgs</key>
<value>org.jboss.naming:org.jnp.interfaces"</value>
</entry>
<entry>
<key>jnp.timeout</key>
<value>5000</value>
</entry>
<entry>
<key>jnp.sotimeout</key>
<value>5000</value>
</entry>
</map>
</constructor>
</bean>
CLIENT 端 hornetq-jms.xml 上的队列定义:
<configuration xmlns="urn:hornetq"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="urn:hornetq /schema/hornetq-jms.xsd">
<connection-factory name="NettyConnectionFactory">
<connectors>
<connector-ref connector-name="netty"/>
</connectors>
<entries>
<entry name="/ConnectionFactory"/>
<entry name="/XAConnectionFactory"/>
</entries>
<xa>true</xa>
</connection-factory>
<queue name="DLQ">
<entry name="/queue/DLQ"/>
</queue>
<queue name="ExpiryQueue">
<entry name="/queue/ExpiryQueue"/>
</queue>
<queue name="notificationQueue">
<entry name="/jms/notificationRequestQueue"/>
</queue>
</configuration>
在 MASTER 端 hornetq-jms.xml:
<configuration xmlns="urn:hornetq"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="urn:hornetq /schema/hornetq-jms.xsd">
<connection-factory name="NettyConnectionFactory">
<connectors>
<connector-ref connector-name="netty"/>
</connectors>
<entries>
<entry name="/ConnectionFactory"/>
<entry name="/XAConnectionFactory"/>
</entries>
<xa>true</xa>
</connection-factory>
<connection-factory name="NettyRemoteConnectionFactory">
<connectors>
<connector-ref connector-name="netty-remote"/>
</connectors>
<entries>
<entry name="/integration/XAConnectionFactory"/>
</entries>
<xa>true</xa>
</connection-factory>
<queue name="DLQ">
<entry name="/queue/DLQ"/>
</queue>
<queue name="ExpiryQueue">
<entry name="/queue/ExpiryQueue"/>
</queue>
<queue name="targetQueue">
<entry name="/integration/jms/notificationRequestQueue"/>
</queue>
<topic name="unrelatedTopic">
<entry name="/topic/cacheFlushNotification"/>
</topic>
</configuration>
编辑: 由于某种原因,如果我停止并在两台服务器完全部署后重新启动网桥,网桥就会开始传输消息。这是一个手动过程,我讨厌使用 hack 定期重启网桥。我欢迎对此问题提出任何建议。
我还通过使桥依赖于它读取的队列来改进启动顺序 - 否则桥会在队列之前启动,从而导致错误记录。