我的应用程序使用嵌入了TomEE Plus-8.0.0-M1的ActiveMQ。
无论使用resources.xml显式定义的javax.jms.ConnectionFactory还是让TomEE动态生成一个连接,用完池连接的行为都是相同的。
连接超时的不同设置似乎没有效果:
connectionMaxIdleTime = 3 seconds
connectionMaxIdleTime = 15 minutes
如果按顺序调用ExampleSessionBean.sendMessage()11次,则会在消息1-10上记录Abandoned Connection警告。在消息#11上,抛出JMSRuntimeException:No Managed Connections Available。
然后,如果我等待几分钟,JMSContext生成器就能再次发送。
我的第一个想法是JMSContext中的底层连接需要关闭
jmsContext.close();
“如果JMSContext是容器管理的(注入),则不得使用此方法。”
这需要哪些程序或配置更改?
谢谢Ted S.
resources.xml中
<?xml version="1.0" encoding="UTF-8"?>
<resources>
<Resource id="jmsConnectionFactory" type="javax.jms.ConnectionFactory">
connectionMaxIdleTime = 3 seconds
connectionMaxWaitTime = 5 seconds
poolMaxSize = 10
poolMinSize = 0
resourceAdapter = Default JMS Resource Adapter
transactionSupport = xa
</Resource>
</resources>
example session bean.Java
@Named
@LocalBean
@Stateless
public class ExampleSessionBean
{
@Resource(name = "jms/localNotificationQueue")
private Queue _localNotificationQueue;
@Inject
@JMSConnectionFactory("jmsConnectionFactory")
private JMSContext _jmsContext;
public void sendMessage(String message)
{
try
{
TextMessage textMessage =
_jmsContext.createTextMessage(message);
_jmsContext.createProducer().
setDeliveryMode(DeliveryMode.PERSISTENT).
send(_localNotificationQueue, textMessage);
}
catch (Exception e)
{
e.printStackTrace();
}
}
}
警告 - 消息1-10 :(原谅格式化.SE格式化程序不会因某种原因格式化此文本块)
开始警告文本
警告:事务已完成,但连接仍具有关联的句柄:ManagedConnectionInfo:... org.apache.openejb.resource.activemq.jms2.cdi.JMS2CDIExtension $ InternalJMSContext.createProducer(JMS2CDIExtension.java:370),com.myorg.jms。 ExampleSessionBean.sendMessage(ExampleSessionBean.java:46)
...
结束警告文本
消息#11例外
javax.jms.JMSRuntimeException: No ManagedConnections available within configured blocking timeout ( 5000 [ms] ) for pool org.apache.geronimo.connector.outbound.SinglePoolConnectionInterceptor@12aff7fa
at org.apache.openejb.resource.activemq.jms2.JMS2.toRuntimeException(JMS2.java:83)
at org.apache.openejb.resource.activemq.jms2.JMSContextImpl.connection(JMSContextImpl.java:85)
at org.apache.openejb.resource.activemq.jms2.JMSContextImpl.session(JMSContextImpl.java:102)
at org.apache.openejb.resource.activemq.jms2.JMSContextImpl.getInnerProducer(JMSContextImpl.java:124)
at org.apache.openejb.resource.activemq.jms2.JMSContextImpl.createProducer(JMSContextImpl.java:302)
at org.apache.openejb.resource.activemq.jms2.cdi.JMS2CDIExtension$InternalJMSContext.createProducer(JMS2CDIExtension.java:370)
at com.myorg.jms.ExampleSessionBean.sendMessage(ExampleSessionBean.java:46)
...
更新:此行为已被复制并添加到TomEE issues tracker。
我放弃了JMSContext并回到手动管理连接。即使在加载100条消息时,所有功能都按预期运行。
example session bean.Java
@Named
@LocalBean
@Stateless
public class ExampleSessionBean
{
@Resource(name = "jms/localNotificationQueue")
private Queue _localNotificationQueue;
@Resource(mappedName = "jmsConnectionFactory")
private ConnectionFactory _connectionFactory;
public void sendMessage(String message)
{
Connection connection = null;
Session session = null;
MessageProducer messageProducer = null;
try
{
connection =
_connectionFactory.createConnection();
connection.start();
session =
connection.createSession();
messageProducer =
session.createProducer(null);
messageProducer.setDeliveryMode(DeliveryMode.PERSISTENT);
TextMessage textMessage = session.createTextMessage(message);
messageProducer.send(_localNotificationQueue,
textMessage);
}
catch (Exception e)
{
// TODO Handle exception
}
finally
{
if (connection != null)
{
try
{
connection.close();
}
catch (JMSException e) {}
}
}
}
}