You are viewing a plain text version of this content. The canonical link for it is here.
Posted to issues@cxf.apache.org by "Waldemar Szostak (JIRA)" <ji...@apache.org> on 2015/06/10 13:52:00 UTC

[jira] [Updated] (CXF-6454) Orphaned JMS connections created in endless loop

     [ https://issues.apache.org/jira/browse/CXF-6454?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Waldemar Szostak updated CXF-6454:
----------------------------------
    Description: 
h3. Problem description
In JMSFactory.createConnection(JMSConfiguration):
{code}public static Connection createConnection(JMSConfiguration jmsConfig) throws JMSException {
	String username = jmsConfig.getUserName();
	ConnectionFactory cf = jmsConfig.getConnectionFactory();
	Connection connection = username != null 
		? cf.createConnection(username, jmsConfig.getPassword())
		: cf.createConnection();
	if (jmsConfig.getDurableSubscriptionClientId() != null) {
		connection.setClientID(jmsConfig.getDurableSubscriptionClientId());
	}
	return connection;
}{code}
there is no exception handling if the clientID fails to be set. Such an exception would exit this method without passing the reference to the just-opened JMS connection to exception handling code (JMSDestination.createTargetDestinationListener()).

Moreover, JMSDestination.restartConnection() keeps on starting new connections (there is no max attempt restriction!) until it creates one without an exception thrown in the process.

Now, if the clientID is already connected to the ESB, this creation of new connection will last until server resources are no longer available to the JVM.

h3. Possible solution
# Close the connection if it's not possible to set the specified clientID at the time:
{code}public static Connection createConnection(JMSConfiguration jmsConfig) throws JMSException {
	String username = jmsConfig.getUserName();
	ConnectionFactory cf = jmsConfig.getConnectionFactory();
	Connection connection = username != null 
			? cf.createConnection(username, jmsConfig.getPassword()) 
			: cf.createConnection();
	if (jmsConfig.getDurableSubscriptionClientId() != null) {
		try {					connection.setClientID(jmsConfig.getDurableSubscriptionClientId());
		} catch (InvalidClientIDException e) {
			connection.close();
			throw e;
		}
	}
	return connection;
}{code}
# Add a setting to restrict the maximum attempts to restart the connection in JMSDestination.restartConnection() A configurable value would be best, but even a hardcoded.. anything but the practically endless loop ;-)

  was:
h3. Problem description
In JMSFactory.createConnection(JMSConfiguration):
{code}public static Connection createConnection(JMSConfiguration jmsConfig) throws JMSException {
	String username = jmsConfig.getUserName();
	ConnectionFactory cf = jmsConfig.getConnectionFactory();
	Connection connection = username != null 
		? cf.createConnection(username, jmsConfig.getPassword())
		: cf.createConnection();
	if (jmsConfig.getDurableSubscriptionClientId() != null) {
		connection.setClientID(jmsConfig.getDurableSubscriptionClientId());
	}
	return connection;
}{code}
there is no exception handling if the clientID fails to be set. Such an exception would exit this method without passing the reference to the just-opened JMS connection to exception handling code (JMSDestination.createTargetDestinationListener()).

Moreover, JMSDestination.restartConnection() keeps on starting new connections (there is no max attempt restriction!) until it creates one without an exception thrown in the process.

Now, if the clientID is already registered in the ESB, this creation of new connection will last until server resources are no longer available to the JVM.

h3. Possible solution
# Close the connection if it's not possible to set the specified clientID at the time:
{code}public static Connection createConnection(JMSConfiguration jmsConfig) throws JMSException {
	String username = jmsConfig.getUserName();
	ConnectionFactory cf = jmsConfig.getConnectionFactory();
	Connection connection = username != null 
			? cf.createConnection(username, jmsConfig.getPassword()) 
			: cf.createConnection();
	if (jmsConfig.getDurableSubscriptionClientId() != null) {
		try {					connection.setClientID(jmsConfig.getDurableSubscriptionClientId());
		} catch (InvalidClientIDException e) {
			connection.close();
			throw e;
		}
	}
	return connection;
}{code}
# Add a setting to restrict the maximum attempts to restart the connection in JMSDestination.restartConnection() A configurable value would be best, but even a hardcoded.. anything but the practically endless loop ;-)


> Orphaned JMS connections created in endless loop
> ------------------------------------------------
>
>                 Key: CXF-6454
>                 URL: https://issues.apache.org/jira/browse/CXF-6454
>             Project: CXF
>          Issue Type: Bug
>          Components: JMS, Transports
>    Affects Versions: 3.0.5
>            Reporter: Waldemar Szostak
>            Priority: Critical
>
> h3. Problem description
> In JMSFactory.createConnection(JMSConfiguration):
> {code}public static Connection createConnection(JMSConfiguration jmsConfig) throws JMSException {
> 	String username = jmsConfig.getUserName();
> 	ConnectionFactory cf = jmsConfig.getConnectionFactory();
> 	Connection connection = username != null 
> 		? cf.createConnection(username, jmsConfig.getPassword())
> 		: cf.createConnection();
> 	if (jmsConfig.getDurableSubscriptionClientId() != null) {
> 		connection.setClientID(jmsConfig.getDurableSubscriptionClientId());
> 	}
> 	return connection;
> }{code}
> there is no exception handling if the clientID fails to be set. Such an exception would exit this method without passing the reference to the just-opened JMS connection to exception handling code (JMSDestination.createTargetDestinationListener()).
> Moreover, JMSDestination.restartConnection() keeps on starting new connections (there is no max attempt restriction!) until it creates one without an exception thrown in the process.
> Now, if the clientID is already connected to the ESB, this creation of new connection will last until server resources are no longer available to the JVM.
> h3. Possible solution
> # Close the connection if it's not possible to set the specified clientID at the time:
> {code}public static Connection createConnection(JMSConfiguration jmsConfig) throws JMSException {
> 	String username = jmsConfig.getUserName();
> 	ConnectionFactory cf = jmsConfig.getConnectionFactory();
> 	Connection connection = username != null 
> 			? cf.createConnection(username, jmsConfig.getPassword()) 
> 			: cf.createConnection();
> 	if (jmsConfig.getDurableSubscriptionClientId() != null) {
> 		try {					connection.setClientID(jmsConfig.getDurableSubscriptionClientId());
> 		} catch (InvalidClientIDException e) {
> 			connection.close();
> 			throw e;
> 		}
> 	}
> 	return connection;
> }{code}
> # Add a setting to restrict the maximum attempts to restart the connection in JMSDestination.restartConnection() A configurable value would be best, but even a hardcoded.. anything but the practically endless loop ;-)



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)