processing / processing/processing4
Export path leaks streams in java/src/processing/mode/java/JavaBuild.java and can hang on malformed jar entries
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Desde el 27/2/2026.
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Descripción
Not seeing this reported yet, so filing it.
While checking export code, spotted a few stream/zip handling bugs in java/src/processing/mode/java/JavaBuild.java:
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new FileInputStream(...) is passed into saveStream() in multiple places, but that source stream is never closed.
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ZipFile.getInputStream(entry) is also left open.
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ZipFile itself is only closed on the happy path.
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In the jar-entry read loop, if read() returns -1, remaining goes the wrong way and the loop can run forever.
This is in the Export Application path, so it’s not edge-only. Repeated exports can leak FDs/handles (worse on Windows due to file locks), and a bad/truncated jar can stall export.
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