processing / processing/processing4

Could not run the sketch. ERROR: transport error 202: bind failed:

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bug
Dominant language
Java
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Description

Most appropriate sub-area of Processing 4?

PDE

Processing version

4.5.2 and previous versions

Operating system

Windows 10

Bug description

I sometimes get the following error:

ERROR: transport error 202: bind failed: Permission denied
ERROR: JDWP Transport dt_socket failed to initialize, TRANSPORT_INIT(510)
JDWP exit error AGENT_ERROR_TRANSPORT_INIT(197): No transports initialized [s\src\jdk.jdwp.agent\share\native\libjdwp\debugInit.c:734]
Using startup command: D:\Program_Portable\Processing-4.4.10\app\resources\jdk\bin\java.exe -agentlib:jdwp=transport=dt_socket,address=8053,server=y,suspend=y,quiet=y -Djna.nosys=true -Djava.library.path=;D:\Program_Portable\Processing-4.4.10\app\resources\core\library;D:\Program_Portable\Processing-4.4.10;
*** ...The remaining paths removed... ***
Steps to reproduce this
  1. It happens occasionally, so I can't reproduce.

  2. Launch a sketch repeatedly, and it may eventually show up.

Additional context

See this topic:

https://discourse.processing.org/t/could-not-run-the-sketch-error-transport-error-202-bind-failed/47420

Would you like to work on the issue?

Yes, I’d like to help with this

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start in the PDE sketch-launch path and inspect the startup command shown in the report, especially the JDWP transport configuration using port 8053. Repeatedly launch sketches on Windows 10 while observing when the bind fails, and compare the behavior with the linked Discourse topic. Done means the intermittent launch failure is reproducible and its cause or a verified fix is documented.

Written by the indexing model from the issue text.

Assessment

Tech stack
java
Domain
desktop, tooling
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Quiet
Clarity
Needs clarification
Newbie friendliness
35/100

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