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https://issues.apache.org/jira/browse/ARTEMIS-3071?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17267418#comment-17267418
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Justin Bertram edited comment on ARTEMIS-3071 at 1/18/21, 4:56 PM:
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Couple of things...

* I reproduced this error and I can confirm there are 2 threads in some kind of 
zombie state. For now you can work around the issue by using a {{tcp}} acceptor 
(e.g. {{<acceptor name="tcp">tcp://localhost:61616</acceptor>}}).
* All the {{INFO}} logging is from the "audit" logger discussed in [the 
documentation|http://activemq.apache.org/components/artemis/documentation/latest/logging.html#configuring-audit-logging].
* I recommend using a URL in your client configuration as it would be simpler 
and more straight-forward, e.g.:
    {code:java}
ConnectionFactory cf = new 
ActiveMQConnectionFactory("tcp://localhost:61616");{code}



was (Author: jbertram):
Couple of things...

* I reproduced this error and I can confirm there are 2 threads in some kind of 
zombie state. For now you can work around the issue by using a {{tcp}} acceptor 
(e.g. {{<acceptor name="in-vm">vm://localhost</acceptor>}}).
* All the {{INFO}} logging is from the "audit" logger discussed in [the 
documentation|http://activemq.apache.org/components/artemis/documentation/latest/logging.html#configuring-audit-logging].
* I recommend using a URL in your client configuration as it would be simpler 
and more straight-forward, e.g.:
    {code:java}
ConnectionFactory cf = new 
ActiveMQConnectionFactory("tcp://localhost:61616");{code}


> Embedded server hangs on shutdown
> ---------------------------------
>
>                 Key: ARTEMIS-3071
>                 URL: https://issues.apache.org/jira/browse/ARTEMIS-3071
>             Project: ActiveMQ Artemis
>          Issue Type: Bug
>          Components: Broker
>    Affects Versions: 2.16.0
>         Environment: CentOS 7
> OpenJDK 11.0.9
>            Reporter: Scott Ortel
>            Priority: Major
>         Attachments: log.txt, log2.txt
>
>
> I'm investigating switching to Artemis.  I created a simple embedded broker 
> and a VM connection to it.  After completion, the VM hangs for 1 minute on 
> exit.
> The following is the simple code:
> {code:java}
> EmbeddedActiveMQ server = new EmbeddedActiveMQ();
> server.setConfigResourcePath(xml);
> server.start();
> TransportConfiguration transportConfiguration = new 
> TransportConfiguration(InVMConnectorFactory.class.getName());
> ConnectionFactory cf = 
> ActiveMQJMSClient.createConnectionFactoryWithoutHA(JMSFactoryType.CF, 
> transportConfiguration);
> Connection connection = cf.createConnection();
> connection.close();
> server.stop();
> {code}
> The configuration:
> {code:xml}
> <?xml version="1.0" encoding="UTF-8" standalone="no"?>
> <configuration xmlns="urn:activemq" 
> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; 
> xsi:schemaLocation="urn:activemq /tmp/artemis-configuration.xsd">
>    <core xmlns="urn:activemq:core">
>       <persistence-enabled>false</persistence-enabled>
>       <security-enabled>false</security-enabled>
>       <journal-type>NIO</journal-type>
>       <journal-pool-files>1</journal-pool-files>
>       <acceptors>
>          <acceptor name="in-vm">vm://localhost</acceptor>
>       </acceptors>
>    </core>
> </configuration>
> {code}
> I have attached the log.
> Also, does anybody know why there is so much logging at {{INFO}}?



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