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From "Yanik Grignon (JIRA)" <j...@apache.org>
Subject [jira] Commented: (AMQ-1188) Illegal character in hostname error on hosts with underscores in their host names
Date Tue, 06 Mar 2007 00:24:21 GMT

    [ https://issues.apache.org/activemq/browse/AMQ-1188?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_38670
] 

Yanik Grignon commented on AMQ-1188:
------------------------------------

I reproduce the same crash using new URI() in a test program. Looking at the RFC an underscore
is in fact an invalid character in a host name. However, Linux lets you name a machine with
underscores in the host name, so whether or not ActiveMQ should gracefully handle this case
is still a relevant question. Also, the config file used to generate this issue was using
localhost not the host name but the connector initialization code would still resolve it to
the fully qualified host name of the machine resulting in the stack trace above.

> Illegal character in hostname error on hosts with underscores in their host names
> ---------------------------------------------------------------------------------
>
>                 Key: AMQ-1188
>                 URL: https://issues.apache.org/activemq/browse/AMQ-1188
>             Project: ActiveMQ
>          Issue Type: Bug
>    Affects Versions: 4.1.0
>         Environment: RHEL4 Update 4 ES x86_64
> Sun JDK 1.4.2_08
>            Reporter: Yanik Grignon
>            Priority: Minor
>
> On a machine where the hostname contains underscores (e.g. HS_RH64_A3_1) ActiveMQ fails
to initialize with the stack trace below. This seems to be a problem with the TCP protocol
handler since doing new URL("http://HS_RH64_A3_1.godzilla.local:61616") works fine.
> 2007-03-05 08:30:20,076 [WrapperSimpleAppMain] ERROR (BrokerService.java:412) - Failed
to start ActiveMQ JMS Message Broker. Reason: java.io.IOException: Transp
> ort Connector could not be registered in JMX: Illegal character in hostname at index
8: tcp://HS_RH64_A3_1.godzilla.local:61616
> java.io.IOException: Transport Connector could not be registered in JMX: Illegal character
in hostname at index 8: tcp://HS_RH64_A3_1.godzilla.local:61616
>         at org.apache.activemq.util.IOExceptionSupport.create(IOExceptionSupport.java:25)
>         at org.apache.activemq.broker.BrokerService.registerConnectorMBean(BrokerService.java:1079)
>         at org.apache.activemq.broker.BrokerService.startTransportConnector(BrokerService.java:1508)
>         at org.apache.activemq.broker.BrokerService.startAllConnectors(BrokerService.java:1468)
>         at org.apache.activemq.broker.BrokerService.start(BrokerService.java:402)
>         at org.apache.activemq.xbean.XBeanBrokerService.afterPropertiesSet(XBeanBrokerService.java:47)
>         at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1062)
>         at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1029)
>         at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:420)
>         at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:245)
>         at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:141)
>         at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:242)
>         at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:156)
>         at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:290)
>         at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:348)
>         at org.apache.xbean.spring.context.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:161)
>         at org.apache.xbean.spring.context.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:51)
>         at org.apache.activemq.xbean.XBeanBrokerFactory.createBroker(XBeanBrokerFactory.java:41)
>         at org.apache.activemq.broker.BrokerFactory.createBroker(BrokerFactory.java:57)
>         at org.apache.activemq.console.command.StartCommand.startBroker(StartCommand.java:82)
>         at org.apache.activemq.console.command.StartCommand.runTask(StartCommand.java:47)
>         at org.apache.activemq.console.command.AbstractCommand.execute(AbstractCommand.java:50)
>         at org.apache.activemq.console.command.ShellCommand.runTask(ShellCommand.java:82)
>         at org.apache.activemq.console.command.AbstractCommand.execute(AbstractCommand.java:50)
>         at org.apache.activemq.console.command.ShellCommand.main(ShellCommand.java:46)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:585)
>         at org.apache.activemq.console.Main.runTaskClass(Main.java:159)
>         at org.apache.activemq.console.Main.main(Main.java:91)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:585)
>         at org.tanukisoftware.wrapper.WrapperSimpleApp.run(WrapperSimpleApp.java:197)
>         at java.lang.Thread.run(Thread.java:595)
> Caused by: java.io.IOException: Illegal character in hostname at index 8: tcp://HS_RH64_A3_1.godzilla.local:61616
>         at org.apache.activemq.util.IOExceptionSupport.create(IOExceptionSupport.java:43)
>         at org.apache.activemq.transport.tcp.TcpTransportServer.bind(TcpTransportServer.java:94)
>         at org.apache.activemq.transport.tcp.TcpTransportFactory.doBind(TcpTransportFactory.java:56)
>         at org.apache.activemq.transport.TransportFactory.bind(TransportFactory.java:109)
>         at org.apache.activemq.broker.TransportConnector.createTransportServer(TransportConnector.java:270)
>         at org.apache.activemq.broker.TransportConnector.getServer(TransportConnector.java:122)
>         at org.apache.activemq.broker.TransportConnector.asManagedConnector(TransportConnector.java:100)
>         at org.apache.activemq.broker.BrokerService.registerConnectorMBean(BrokerService.java:1072)
>         ... 35 more
> Caused by: java.net.URISyntaxException: Illegal character in hostname at index 8: tcp://HS_RH64_A3_1.godzilla.local:61616
>         at java.net.URI$Parser.fail(URI.java:2816)
>         at java.net.URI$Parser.parseHostname(URI.java:3355)
>         at java.net.URI$Parser.parseServer(URI.java:3204)
>         at java.net.URI$Parser.parseAuthority(URI.java:3123)
>         at java.net.URI$Parser.parseHierarchical(URI.java:3065)
>         at java.net.URI$Parser.parse(URI.java:3021)
>         at java.net.URI.<init>(URI.java:663)
>         at org.apache.activemq.transport.tcp.TcpTransportServer.bind(TcpTransportServer.java:91)
>         ... 41 more

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