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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (QPID-5196) hello_world core dumps when connection protocol misspelled
Date Mon, 30 Sep 2013 22:22:24 GMT

    [ https://issues.apache.org/jira/browse/QPID-5196?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13782343#comment-13782343
] 

ASF subversion and git services commented on QPID-5196:
-------------------------------------------------------

Commit 1527802 from chug@apache.org in branch 'qpid/trunk'
[ https://svn.apache.org/r1527802 ]

QPID-5196: Messaging example hello_world core dumps when given a bad connection option
Move connection constructor into try-catch block

> hello_world core dumps when connection protocol misspelled
> ----------------------------------------------------------
>
>                 Key: QPID-5196
>                 URL: https://issues.apache.org/jira/browse/QPID-5196
>             Project: Qpid
>          Issue Type: Bug
>          Components: C++ Client
>    Affects Versions: 0.25
>            Reporter: Chuck Rolke
>
> With the advent of AMQP 1.0 users are required to specify a protocol as a connection
paramenter. If the user misspells the protocol name then hello_world core dumps. 
> On Linux:
> {noformat}
> 1 chug@FJELD ~/svn/qpid/b64/examples/messaging> ./hello_world localhost:5672 amq.topic
"{protocol:amqp-1.0}"
> terminate called after throwing an instance of 'qpid::Exception'
>   what():  Unsupported protocol: amqp-1.0
> Aborted (core dumped)
> {noformat}
> On Windows:
> {noformat}
> hello_world localhost:5672 amq.topic "{protocol:ampq-1.0}"
> ==> Popup hello_world.exe
> A problem caused the program to stop working correctly. 
> Please close the program. Choices: Close the program, or Debug the program
> {noformat}
> The Linux version at least prints out the text of the exception to give the user a clue.
On windows there is no hint of what went wrong and one must dive into client library to find
out if the desired protocol is loaded and if so then what is its proper name. 
> I suggest that in hello_world.cpp the Connection constructor be moved to within the try
block. This, of course, means that the connection can't be closed in the catch block.
> Note that to get AMQP1.0 users actually want to use: {protocol:amqp1.0}



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