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Make URLJarCollector tolerant of JDK 21 (and newer JVMs) #90

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Merged
pavelsavara merged 2 commits into from
Jun 3, 2026
Merged

Make URLJarCollector tolerant of JDK 21 (and newer JVMs) #90

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d13f63b
fix for JDK21
pavelsavara Jun 2, 2026
4c4d65d
Merge branch 'main' into jdk_21
pavelsavara Jun 3, 2026
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5 changes: 3 additions & 2 deletions robocode.core/src/main/java/net/sf/robocode/io/URLJarCollector.java
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Original file line number Diff line number Diff line change
Expand Up @@ -59,8 +59,9 @@ public class URLJarCollector {
jarFileURL = jarURLConnection.getDeclaredField("jarFileURL");
jarFileURL.setAccessible(true);

localSunJVM = true;
} catch (ClassNotFoundException | NoSuchFieldException | IllegalAccessException ignore) {
localSunJVM = (fileCache != null && urlCache != null);
} catch (ClassNotFoundException | NoSuchFieldException | IllegalAccessException | RuntimeException ignore) {
// Not a classic SUN/Oracle JVM layout: fall back to the non-caching path.
}
sunJVM = localSunJVM;

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