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https://issues.apache.org/jira/browse/AMQ-8120?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17263177#comment-17263177
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Leszek Ekiert commented on AMQ-8120:
------------------------------------

What's the provider URL?

http-remoting://wer74009.XXXX.YYYYY.com:8080

Which ActiveMQ version are you using on client side ?

I don't know. I'm using Wildfly 20.0.1.

> UnknownHostException when connecting to remote queue on Wildfly 20.0.1 and 
> OpenJDK
> ----------------------------------------------------------------------------------
>
>                 Key: AMQ-8120
>                 URL: https://issues.apache.org/jira/browse/AMQ-8120
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: JMS client
>         Environment: #JVM version
>  OpenJDK only - AdoptOpenJDK 8 and Zulu OpenJDK 11.43.55
>  No issues with Oracle JDK 1.8.0_172
> #OS version
>  tested on Linux and Windows 10
>            Reporter: Leszek Ekiert
>            Priority: Major
>
> #Expected behavior
>  Remote connection to the queue should work in OpenJDK in the same way as in 
> Oracle JDK
> #Actual behavior
>  A remote connection to external queue fails with UnknownHostException
>  2021-01-11 06:52:19,801 ERROR [org.apache.activemq.artemis.core.client] 
> (default task-19)- AMQ214016: Failed to create netty connection: 
> java.net.UnknownHostException: wer74009 at 
> java.base/java.net.InetAddress$CachedAddresses.get(Unknown Source) at 
> java.base/java.net.InetAddress.getAllByName0(Unknown Source) at 
> java.base/java.net.InetAddress.getAllByName(Unknown Source) at 
> java.base/java.net.InetAddress.getAllByName(Unknown Source) at 
> java.base/java.net.InetAddress.getByName(Unknown Source) at 
> [email protected]//io.netty.util.internal.SocketUtils$8.run(SocketUtils.java:156)
>  at 
> [email protected]//io.netty.util.internal.SocketUtils$8.run(SocketUtils.java:153)
>  at java.base/java.security.AccessController.doPrivileged(Native Method) at 
> [email protected]//io.netty.util.internal.SocketUtils.addressByName(SocketUtils.java:153)
>  at 
> [email protected]//io.netty.resolver.DefaultNameResolver.doResolve(DefaultNameResolver.java:41)
>  at 
> [email protected]//io.netty.resolver.SimpleNameResolver.resolve(SimpleNameResolver.java:61)
>  at 
> [email protected]//io.netty.resolver.SimpleNameResolver.resolve(SimpleNameResolver.java:53)
>  at 
> [email protected]//io.netty.resolver.InetSocketAddressResolver.doResolve(InetSocketAddressResolver.java:55)
>  at 
> [email protected]//io.netty.resolver.InetSocketAddressResolver.doResolve(InetSocketAddressResolver.java:31)
>  at 
> [email protected]//io.netty.resolver.AbstractAddressResolver.resolve(AbstractAddressResolver.java:106)
>  at 
> [email protected]//io.netty.bootstrap.Bootstrap.doResolveAndConnect0(Bootstrap.java:206)
>  at 
> [email protected]//io.netty.bootstrap.Bootstrap.access$000(Bootstrap.java:46)
>  at 
> [email protected]//io.netty.bootstrap.Bootstrap$1.operationComplete(Bootstrap.java:180)
>  at 
> [email protected]//io.netty.bootstrap.Bootstrap$1.operationComplete(Bootstrap.java:166)
>  at 
> [email protected]//io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:577)
>  at 
> [email protected]//io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:551)
>  at 
> [email protected]//io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:490)
>  at 
> [email protected]//io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:615)
>  at 
> [email protected]//io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:604)
>  at 
> [email protected]//io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:104)
>  at 
> [email protected]//io.netty.channel.DefaultChannelPromise.trySuccess(DefaultChannelPromise.java:84)
>  at 
> [email protected]//io.netty.channel.AbstractChannel$AbstractUnsafe.safeSetSuccess(AbstractChannel.java:984)
>  at 
> [email protected]//io.netty.channel.AbstractChannel$AbstractUnsafe.register0(AbstractChannel.java:504)
>  at 
> [email protected]//io.netty.channel.AbstractChannel$AbstractUnsafe.access$200(AbstractChannel.java:417)
>  at 
> [email protected]//io.netty.channel.AbstractChannel$AbstractUnsafe$1.run(AbstractChannel.java:474)
>  at 
> [email protected]//io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:164)
>  at 
> [email protected]//io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:472)
>  at 
> [email protected]//io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:384)
>  at 
> [email protected]//io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)
>  at 
> [email protected]//io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
>  at 
> org.apache.activemq.artemis.journal//org.apache.activemq.artemis.utils.ActiveMQThreadFactory$1.run(ActiveMQThreadFactory.java:118)
> #Steps to reproduce
> Hashtable<String, String> env = new Hashtable<>();
>  env.put(Context.INITIAL_CONTEXT_FACTORY, 
> "org.wildfly.naming.client.WildFlyInitialContextFactory");
>  env.put(Context.PROVIDER_URL, 
> "http-remoting://wer74009.XXXX.YYYYY.com:8080");
>  env.put(Context.SECURITY_PRINCIPAL, JMS_USER_NAME);
>  env.put(Context.SECURITY_CREDENTIALS, JMS_PASSWORD);
> InitialContext context = new InitialContext(env);
>  QueueConnectionFactory factory = (QueueConnectionFactory) 
> context.lookup("java:/jms/artemisConnectionFactory");
>  return factory.createQueueConnection();



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