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Editorial Team
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Asked: 2026-05-26T06:33:40+00:00

I created an alias like this alias play=/Users/bobdylan/Documents/play/play After creating a new app and

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I created an alias like this alias play=/Users/bobdylan/Documents/play/play

After creating a new app and trying to run it with play run I keep getting this:

Debugger failed to attach: handshake failed - received >GET / HTTP/1.1< - excepted >JDWP-Handshake<
Debugger failed to attach: handshake failed - received >GET / HTTP/1.1< - excepted >JDWP-Handshake<

Any idea what could be wrong?

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1 Answer

  1. Editorial Team

    That shouldn’t prevent your application from starting, only the debugger from being acceessible. It should also show an exception stacktrace which may help us to point the issue (if it’s showing in your case please attach it).

    To solve the issue, can you check:

    1. Ports you are using for Play (maybe you have some other server blocking those ports)
    2. The hostname of your computer (you may have localhost pointing somewhere in your host file or some configuration that makes Play fail)
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