Proj4j Race Condition and the Importance of Dependencies Update

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  • org.osgeo which doesn’t looks like being actively maintained but the bug was fixed.
  • location tech (the maintainers of JTS) that looks more actively maintained.

Afterthoughts

  • I am not sure if you notice, but the fix was adding asynchronized keyword on the method. I can think of better alternatives. I would probably make this set initialized on construction when the class loads.
  • Having an 8 years old, undocumented, lib is also something you should try to avoid.
  • Concurrency bugs can be tricky!

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