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-compilerp-mediumShould be completed in the next few sprintsShould be completed in the next few sprintsx-on-hold
Description
Our CI continues to report random IOExceptions on Windows, such as
2025-08-07T00:19:15.1493480Z INFO ide_ci::program::command: sbt ℹ️ �[0m[�[0m�[0minfo�[0m] �[0m�[0mGenerating index for built-distribution\enso-engine-2025.2.1-dev-windows-amd64\enso-2025.2.1-dev\lib\Standard\AWS �[0m
2025-08-07T00:19:53.7738276Z INFO ide_ci::program::command: sbt ℹ️ [WARN] [2025-08-07T02:19:53+02:00] [enso.org.enso.interpreter.runtime.SerializationPool] Serialization of bindings `Standard.AWS` failed: C:\runner\_work\enso\enso\built-distribution\enso-engine-2025.2.1-dev-windows-amd64\enso-2025.2.1-dev\lib\Standard\AWS\2025.2.1-dev\.enso\cache\bindings\2025.2.1-dev\Standard\AWS.bindings: The process cannot access the file because it is being used by another process`
2025-08-07T00:19:53.7814876Z INFO ide_ci::program::command: sbt ℹ️ [ERROR] [2025-08-07T02:19:53+02:00] [org.enso.runner.Main] Unexpected internal error: java.lang.RuntimeException: java.util.concurrent.ExecutionException: java.nio.file.FileSystemException: C:\runner\_work\enso\enso\built-distribution\enso-engine-2025.2.1-dev-windows-amd64\enso-2025.2.1-dev\lib\Standard\AWS\2025.2.1-dev\.enso\cache\bindings\2025.2.1-dev\Standard\AWS.bindings: The process cannot access the file because it is being used by another process
2025-08-07T00:19:53.7819293Z INFO ide_ci::program::command: sbt ℹ️ org.graalvm.polyglot.PolyglotException: java.lang.RuntimeException: java.util.concurrent.ExecutionException: java.nio.file.FileSystemException: C:\runner\_work\enso\enso\built-distribution\enso-engine-2025.2.1-dev-windows-amd64\enso-2025.2.1-dev\lib\Standard\AWS\2025.2.1-dev\.enso\cache\bindings\2025.2.1-dev\Standard\AWS.bindings: The process cannot access the file because it is being used by another process
2025-08-07T00:19:53.7822154Z INFO ide_ci::program::command: sbt ℹ️ at java.base/java.util.concurrent.FutureTask.report(FutureTask.java:124)
In the discussion on PR that mmapped .bindings
this was mentioned as the potential source of the problem. @JaroslavTulach suggested recently that we could use Arena
from new Foreign Memory Api to correctly manage the access and thus fix the problem on Windows.
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-compilerp-mediumShould be completed in the next few sprintsShould be completed in the next few sprintsx-on-hold
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⚙️ Design