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https://issues.apache.org/jira/browse/PROTON-2380?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17341009#comment-17341009
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ASF subversion and git services commented on PROTON-2380:
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Commit f538027250cebad9940551a364f7e9dccc5cdf29 in qpid-protonj2's branch 
refs/heads/main from Timothy Bish
[ https://gitbox.apache.org/repos/asf?p=qpid-protonj2.git;h=f538027 ]

PROTON-2380 Improve the exception message for missing mandatory fields


> frame tracing issues/improvements
> ---------------------------------
>
>                 Key: PROTON-2380
>                 URL: https://issues.apache.org/jira/browse/PROTON-2380
>             Project: Qpid Proton
>          Issue Type: Bug
>          Components: protonj2
>    Affects Versions: protonj2-1.0.0-M1
>            Reporter: Robbie Gemmell
>            Assignee: Timothy A. Bish
>            Priority: Major
>
> Running the HelloWorld example against Broker-J 8.0.4 with PN_TRACE_FRM=true 
> style frame trace enabled shows some areas for improvement.
> * Nothing distinguishes the connection it applies to (e.g in other cases we 
> log include the memory address), limiting value in multi-connection use 
> cases. 
> * The run ultimately resulted in exposing a broker bug (QPID-8523), causing 
> connection closure with explanation, but the attach frame trace itself didnt 
> show the issue at all, instead implying a value was sent (printing 
> initialDeliveryCount=0). Some way of distinguishing actual vs default (in 
> code terms) values received, and possibly how many fields were populated, 
> would be useful. 
> * Some binary bits will just print out the buffer class/sizes etc.
> * The initial SASL header is prefixed 'AMQP' which is debatable (both ways, 
> since its only a header). May be simpler to say SASL to show transition. Or 
> drop the prefix.



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