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https://issues.apache.org/jira/browse/MYFACES-4671?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17856124#comment-17856124
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Werner Punz edited comment on MYFACES-4671 at 6/19/24 4:58 AM:
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Looks fine to me as well!

I will merge it in asap and also will take the fix into the upstream project so 
that it does not get lost!

Thanks for providing it!

 


was (Author: werpu):
Looks fine to me as well!

 

> PushImpl.ts Socket#onerror attempting to use undefined variable
> ---------------------------------------------------------------
>
>                 Key: MYFACES-4671
>                 URL: https://issues.apache.org/jira/browse/MYFACES-4671
>             Project: MyFaces Core
>          Issue Type: Bug
>    Affects Versions: 4.0.2, 4.1.0-RC2
>         Environment: OS: Windows 11
> Java version 17.0.7
>            Reporter: Thomas Smith
>            Assignee: Werner Punz
>            Priority: Minor
>   Original Estimate: 2h
>  Remaining Estimate: 2h
>
> While running some OpenLiberty FAT tests, specifically 
> io.openliberty.org.apache.myfaces.4.0_fat/WebSocketTests, we discovered a 
> small bug where JSON.parse(event.data) was running where event.data was 
> undefined.
> Here is the line it occurs: 
> [https://github.com/apache/myfaces/blob/dae36dde5cc42208d034dda23107ad79f68ecc3a/api/src/client/typescript/faces/impl/PushImpl.ts#L156]
> Volodymyr created a GitHub issue describing the issue here: [Faces 4.0 Fix 
> WebSocketTests so that "onerror listener" occurs -  Issue #27598 -  
> OpenLiberty/open-liberty 
> (github.com)|https://github.com/OpenLiberty/open-liberty/issues/27598]
> Proposed Solution: Change
> {code:java}
>  JSON.parse(event.data) {code}
> to
> {code:java}
> JSON.parse(event.data === undefined ? null : event.data){code}



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