On Mon, 23 Jun 2025 12:43:28 GMT, Coleen Phillimore <cole...@openjdk.org> wrote:

>> test/lib/RedefineClassHelper.java line 68:
>> 
>>> 66: 
>>> 67:     private static byte[] getBytecodes(ClassLoader loader, String name) 
>>> throws Exception {
>>> 68:         InputStream is = loader.getResourceAsStream(name + ".class");
>> 
>> I think this should be 
>> try(InputStream is = loader.getResourceAsStream(name + ".class");) {
>> ...
>
> getBytecodes propagates the exception from getResourceAsStream.  If I catch 
> IOException (?), what should it do?

I didn't thought about this, but I think that's ok. I just propose to closed 
stream, not changing the exception handling.  The 

try(InputStream is = loader.getResourceAsStream(name + ".class");) {
    InputStream is = loader.getResourceAsStream(name + ".class");
    byte[] buf = is.readAllBytes();
    System.out.println("sizeof(" + name + ".class) == " + buf.length);
    return buf;
}

has completely the same workflow, just closing stream so we don't have any 
resource leak.

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PR Review Comment: https://git.openjdk.org/jdk/pull/25857#discussion_r2161944047

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