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8374368: Invalid java.nio.channels.spi.SelectorProvider value results in ClassNotFoundException instead of falling back to default provider #28998

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8374368: Invalid java.nio.channels.spi.SelectorProvider value results in ClassNotFoundException instead of falling back to default provider #28998

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12 changes: 5 additions & 7 deletions src/java.base/share/classes/java/nio/channels/spi/SelectorProvider.java
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
/*
* Copyright (c) 2000, 2024, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2000, 2025, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
Expand Down Expand Up @@ -95,12 +95,10 @@ private static SelectorProvider loadProviderFromProperty() {
try {
Class<?> clazz = Class.forName(cn, true, ClassLoader.getSystemClassLoader());
return (SelectorProvider) clazz.getConstructor().newInstance();
} catch (ClassNotFoundException |
NoSuchMethodException |
IllegalAccessException |
InvocationTargetException |
InstantiationException x) {
throw new ServiceConfigurationError(null, x);
} catch (Throwable t) {
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@lmesnik lmesnik Dec 28, 2025

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This fix should have a regression test, based on the provided reproducer.
If it can't be implemented, then bug should have 'noreg-' label.

System.err.println("Invalid SelectorProvider specified: " + cn + ". Falling back to default provider.");
// Continue to load default provider
return null;
}
}

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