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References: <1805815.12001276089171820.JavaMail.jira@thor>
	<30854363.56451280485912788.JavaMail.jira@thor>
	<29306610.post@talk.nabble.com>
	<AANLkTikFRCVjVDFipdnnVOSOriZPS2qeCwdyFZgbqqrT@mail.gmail.com>
	<29307245.post@talk.nabble.com>
Date: Fri, 30 Jul 2010 18:19:25 +0100
Message-ID: <AANLkTin_2gay2aY4G_5pF_E6jnqBZEK=2QnH96vVDX+T@mail.gmail.com>
Subject: Re: [jira] Commented: (AMQ-2771) Side effect from AMQ-2094, server
	listens on host name address, client connects to localhost with the same URI
From: Gary Tully <gary.tully@gmail.com>
To: dev@activemq.apache.org
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

that is xml syntax validation. u need to use &amp; for &

see: http://www.stylusstudio.com/w3c/xml11/sec-references.htm



On 30 July 2010 16:28, Eric-AWL <eric.vincent@atosorigin.com> wrote:
>
> Hi Gary
>
> Ok I found the option in the networkConnection documentation, but, in 5.3=
.2
>
> =A0 =A0 =A0<networkConnector name=3D"TestDeCharge-DEFAULT-OUT"
>
> uri=3D"multicast://default?group=3DTestDeCharge-DEFAULT&useLocalHost=3Dfa=
lse"
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0networkTTL=3D"1"
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0conduitSubscriptions=3D"fa=
lse"
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0dynamicOnly=3D"true"
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0duplex=3D"false"/>
>
> I get
>
> 2010/07/30;17:05:16:513;ERR;CInstance;Serveur(td0sib01s.priv.atos.fr);NA;=
NA;BUSACT-0000;(Exception)
> org.springframework.beans.factory.xml.XmlBeanDefinitionStoreException: Li=
ne
> 34 in XML document from class path resource [activemq.xml] is invalid;
> nested exception is org.xml.sax.SAXParseException: The reference to entit=
y
> "useLocalHost" must end with the ';' delimiter.
>
> if I swap group and useLocalHost :
>
> <networkConnector name=3D"TestDeCharge-DEFAULT-OUT"
>
> uri=3D"multicast://default?useLocalHost=3Dfalse&group=3DTestDeCharge-DEFA=
ULT"
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0networkTTL=3D"1"
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0conduitSubscriptions=3D"fa=
lse"
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0dynamicOnly=3D"true"
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0duplex=3D"false"/>
>
>
> 2010/07/30;17:15:09:279;ERR;CInstance;Serveur(td0sib01s.priv.atos.fr);NA;=
NA;BUSACT-0000;(Exception)
> org.springframework.beans.factory.xml.XmlBeanDefinitionStoreException: Li=
ne
> 34 in XML document from class path resource [activemq.xml] is invalid;
> nested exception is org.xml.sax.SAXParseException: The reference to entit=
y
> "group" must end with the ';' delimiter.
>
>
> If I use "&*amp;" as I found some answers for old forums questions
>
> =A0 =A0 =A0<networkConnector name=3D"TestDeCharge-DEFAULT-OUT"
>
> uri=3D"multicast://default?group=3DTestDeCharge-DEFAULT&*amp;useLocalHost=
=3Dfalse"
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0networkTTL=3D"1"
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0conduitSubscriptions=3D"fa=
lse"
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0dynamicOnly=3D"true"
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0duplex=3D"false"/>
>
> I get
>
> 2010/07/30;17:18:45:037;ERR;CInstance;Serveur(td0sib01s.priv.atos.fr);NA;=
NA;BUSACT-0000;(Exception)
> org.springframework.beans.factory.xml.XmlBeanDefinitionStoreException: Li=
ne
> 34 in XML document from class path resource [activemq.xml] is invalid;
> nested exception is org.xml.sax.SAXParseException: The entity name must
> immediately follow the '&' in the entity reference.
>
> It seems to be a kind of AMQ-2598 error that referenced AMQ-1099
>
> Sorry for all these small problems.
>
> Eric-AWL
>
>
> Gary Tully wrote:
>>
>> append the transport options to the uri:
>>
>> multicast://default?group=3DTestDeCharge-DEFAULT&useLocalHost=3Dfalse
>>
>> the discovery transport will pull off the parameters it knows about
>> (eg group) and leave the rest for the discovered transport.
>>
>> On 30 July 2010 15:25, Eric-AWL <eric.vincent@atosorigin.com> wrote:
>>>
>>> Euuuuh, I don't know if I understand what you explain me :
>>>
>>> =A0 =A0 =A0<networkConnector name=3D"TestDeCharge-DEFAULT-OUT"
>>>
>>> =A0uri=3D"multicast://default?group=3DTestDeCharge-DEFAULT"
>>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0networkTTL=3D"1"
>>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0conduitSubscriptions=3D"=
false"
>>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0dynamicOnly=3D"true"
>>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0duplex=3D"false"/>
>>>
>>> =3D>
>>> =A0 =A0 =A0 <networkConnector name=3D"TestDeCharge-DEFAULT-OUT"
>>>
>>> =A0uri=3D"multicast://default?group=3DTestDeCharge-DEFAULT"
>>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0networkTTL=3D"1"
>>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0conduitSubscriptions=3D"=
false"
>>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0dynamicOnly=3D"true"
>>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0duplex=3D"false"
>>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0useLocalHost=3D"false"/>
>>>
>>> I don't see this new option of networkConnector in the documentation we=
b
>>> site.
>>>
>>> ???
>>>
>>>
>>> JIRA jira@apache.org wrote:
>>>>
>>>>
>>>> =A0 =A0 [
>>>> https://issues.apache.org/activemq/browse/AMQ-2771?page=3Dcom.atlassia=
n.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=3D610=
03#action_61003
>>>> ]
>>>>
>>>> Gary Tully commented on AMQ-2771:
>>>> ---------------------------------
>>>>
>>>> it does look like the useLocalHost option should default to false as i=
t
>>>> is
>>>> an override option that results in a hard coded answer.
>>>>
>>>> Eric, for the multicast case, apply the parameters to the multicast ur=
l
>>>> used by the networkconnector, that fact that it is no longer propagate=
d
>>>> in
>>>> the discovery multicast frame requires the option to be explicitly set
>>>> by
>>>> the user of that information.
>>>>
>>>>> Side effect from AMQ-2094, server listens on host name address, clien=
t
>>>>> connects to localhost with the same URI
>>>>> ---------------------------------------------------------------------=
-----------------------------------------
>>>>>
>>>>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 Key: AMQ-2771
>>>>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 URL: https://issues.apache.org/active=
mq/browse/AMQ-2771
>>>>> =A0 =A0 =A0 =A0 =A0 =A0 Project: ActiveMQ
>>>>> =A0 =A0 =A0 =A0 =A0Issue Type: Wish
>>>>> =A0 =A0Affects Versions: 5.3.0, 5.3.1, 5.3.2
>>>>> =A0 =A0 =A0 =A0 =A0 =A0Reporter: Przemek Bruski
>>>>> =A0 =A0 =A0 =A0 =A0 =A0 Fix For: 5.4.1
>>>>>
>>>>> =A0 =A0 =A0 =A0 Attachments: BrokerServiceResolveHostTest.java
>>>>>
>>>>>
>>>>> TcpTransport.java contains the following code:
>>>>> {code}
>>>>> =A0 =A0 protected String resolveHostName(String host) throws
>>>>> UnknownHostException {
>>>>> =A0 =A0 =A0 =A0 String localName =3D InetAddress.getLocalHost().getHo=
stName();
>>>>> =A0 =A0 =A0 =A0 if (localName !=3D null && isUseLocalHost()) {
>>>>> =A0 =A0 =A0 =A0 =A0 =A0 if (localName.equals(host)) {
>>>>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 return "localhost";
>>>>> =A0 =A0 =A0 =A0 =A0 =A0 }
>>>>> =A0 =A0 =A0 =A0 }
>>>>> =A0 =A0 =A0 =A0 return host;
>>>>> =A0 =A0 }
>>>>> {code}
>>>>> TcpTransportServer.java contains the following code:
>>>>> {code}
>>>>> =A0 =A0 =A0 =A0 InetAddress addr =3D InetAddress.getByName(host);
>>>>> =A0 =A0 =A0 =A0 try {
>>>>> =A0 =A0 =A0 =A0 =A0 =A0 this.serverSocket =3D
>>>>> serverSocketFactory.createServerSocket(bind.getPort(), backlog, addr)=
;
>>>>> {code}
>>>>> /etc/hosts looks like this:
>>>>> {code}
>>>>> 127.0.0.1 =A0 =A0 =A0 localhost.localdomain =A0 localhost
>>>>> someip =A0 =A0 =A0 myhostname.mydomain myhostname
>>>>> {code}
>>>>> Now, if I start server with uri: myhostname.mydomain, the server will
>>>>> listen on someip but the client started on the same host with the sam=
e
>>>>> uri will try connect to localhost (and fail).
>>>>> I know that useLocalHost can be used to avoid it, but silently
>>>>> connecting
>>>>> to localhost is counterintuitive and does not sound like a valid
>>>>> default
>>>>> behaviour (according to documentation, using localhost instead of the
>>>>> host name is a workaround, the workaround is now effectively default
>>>>> behaviour and breaks valid setups that used to work with 5.2).
>>>>> This worked fine on 5.2, since the server bound to all interfaces - b=
ut
>>>>> fixing this was obviously the right thing to do.
>>>>> Questions:
>>>>> 1. Can the default behaviour be changed to one that would work on
>>>>> majority of systems?
>>>>> 2. Is the workaround really needed? Maybe it's the local network
>>>>> settings
>>>>> that should be corrected?
>>>>> 3. The debug messages are misleading and probably should be changed:
>>>>> [ActiveMQ Task] [FailoverTransport:604] urlList
>>>>> connectionList:[tcp://hostname:54663?wireFormat.maxInactivityDuration=
=3D300000]
>>>>> [ActiveMQ Task] [FailoverTransport:723] Attempting connect to:
>>>>> tcp://hostname:54663?wireFormat.maxInactivityDuration=3D300000
>>>>> [ActiveMQ Task] [FailoverTransport:764] Connect fail to:
>>>>> tcp://hostname:54663?wireFormat.maxInactivityDuration=3D300000, reaso=
n:
>>>>> java.net.ConnectException: Connection refused
>>>>> In fact, it was the connection to localhost:54663 that was refused.
>>>>
>>>> --
>>>> This message is automatically generated by JIRA.
>>>> -
>>>> You can reply to this email to add a comment to the issue online.
>>>>
>>>>
>>>>
>>>
>>> --
>>> View this message in context:
>>> http://old.nabble.com/-jira--Created%3A-%28AMQ-2771%29-Side-effect-from=
-AMQ-2094%2C-server-listens-on-host-name-address%2C-client-connects-to-loca=
lhost-with-the-same-URI-tp28830232p29306610.html
>>> Sent from the ActiveMQ - Dev mailing list archive at Nabble.com.
>>>
>>>
>>
>>
>>
>> --
>> http://blog.garytully.com
>>
>> Open Source Integration
>> http://fusesource.com
>>
>>
>
> --
> View this message in context: http://old.nabble.com/-jira--Created%3A-%28=
AMQ-2771%29-Side-effect-from-AMQ-2094%2C-server-listens-on-host-name-addres=
s%2C-client-connects-to-localhost-with-the-same-URI-tp28830232p29307245.htm=
l
> Sent from the ActiveMQ - Dev mailing list archive at Nabble.com.
>
>



--=20
http://blog.garytully.com

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