RFR: 8312489: Increase jdk.jar.maxSignatureFileSize default which is too low for JARs such as WhiteSource/Mend unified agent jar

[Mark Powers]

On Fri, 28 Jul 2023 19:14:09 GMT, Hai-May Chao <hchao at openjdk.org> wrote:

>> src/java.base/share/classes/sun/security/util/SignatureFileVerifier.java line 852:
>> 
>>> 850:         Integer tmp = GetIntegerAction.privilegedGetProperty(
>>> 851:                 "jdk.jar.maxSignatureFileSize", 16000000);
>>> 852:         if (tmp < 0 || tmp > MAX_ARRAY_SIZE) {
>> 
>> Can't `tmp` be `null`? After all, it is an `Integer` object. The rest of your code changes look fine to me.
>
> `tmp` will not be null. `GetIntegerAction.privilegedGetProperty()` will return the default value when jdk.jar.maxSignatureFileSize=null

You're right. Didn't look close enough.

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PR Review Comment: https://git.openjdk.org/jdk/pull/15072#discussion_r1278003455