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https://issues.apache.org/jira/browse/CAMEL-23124?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18063117#comment-18063117
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Claus Ibsen commented on CAMEL-23124:
-------------------------------------

was this backported to 4.18.x ?

> camel-docling - Fix CLI mode ProcessBuilder deadlock with sequential stream 
> reading
> -----------------------------------------------------------------------------------
>
>                 Key: CAMEL-23124
>                 URL: https://issues.apache.org/jira/browse/CAMEL-23124
>             Project: Camel
>          Issue Type: Bug
>          Components: camel-docling
>            Reporter: Andrea Cosentino
>            Assignee: Andrea Cosentino
>            Priority: Major
>             Fix For: 4.18.1, 4.19.0
>
>
> In DoclingProducer.executeDoclingCommand(), stdout and stderr of the CLI 
> child process are read sequentially, first all of stdout to EOF, then all of 
> stderr. This creates a deadlock scenario: if the child process writes enough 
> data to stderr to fill the OS pipe buffer (~64KB on Linux), the child blocks 
> waiting to write more to stderr, while the Java side blocks reading stdout 
> waiting for an EOF that never arrives because the child is stuck. Both 
> processes hang indefinitely.



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