RFR: 8264048: Fix caching in Jar URL connections when an entry is missing [v2]
Brent Christian
bchristi at openjdk.java.net
Wed Mar 31 17:34:18 UTC 2021
On Wed, 31 Mar 2021 12:47:50 GMT, Aleksei Efimov <aefimov at openjdk.org> wrote:
>> Current fix tries to tackle an issue with URL connection referencing non-existing Jar file entries:
>> If an entry that doesn't exist is specified in an URL connection the underlying Jar file is still cached even if an exception is thrown after that. Such behavior prevents the caller, for instance, a `URLClassLoader`, from closing a Jar file.
>>
>> The proposed fix checks if entry exists before caching a Jar file (only for cases with enabled caching):
>> - If entry exists - jar file is cached if it wasn't cached before
>> - If entry doesn't exist and jar file wasn't cached before - jar file is closed and exception is thrown
>> - If entry doesn't exist and jar file was cached before - jar file is kept cached and exception is thrown
>>
>>
>> The following tests have been used to verify the fix:
>> - New regression tests
>> - ``:jdk_core:`` tests
>> - `api/java_util`,`api/java_net` JCK tests
>
> Aleksei Efimov has updated the pull request incrementally with one additional commit since the last revision:
>
> JDK-8264048: Remove old version of RemoveJar test
Hi, Aleksei. The change looks good.
-------------
Marked as reviewed by bchristi (Reviewer).
PR: https://git.openjdk.java.net/jdk/pull/3263
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