On Tue, 18 Jan 2022 20:07:10 GMT, Roger Riggs <rri...@openjdk.org> wrote:
>> JDK-8277072 introduced java.io.ClassCache, but there seem to be at least two >> issues with it: >> - The cache cannot disambiguate between cleared SoftReference and the >> accidental passing of `null` value; in that case, the retry loop would spin >> indefinitely; >> - If retry loop would spin several times, every time discovering a cleared >> SoftReference, it would create and register new SoftReference on the >> ReferenceQueue. However, it would not *drain* the RQ in the loop; in that >> case, we might have the unbounded garbage accumulating in RQ; >> >> Attention @rkennke, @plevart. >> >> Additional testing: >> - [x] Linux x86_64 fastdebug `java/io/ObjectStreamClass` >> - [x] Linux x86_64 fastdebug `tier1` >> - [x] Linux x86_64 fastdebug `tier2` >> - [x] Linux x86_64 fastdebug `tier3` > > It may not be worth it. If not, add the label "noreg-hard". > > It is possible for add to the test description the modules to be opened: > > * @modules java.base/java.io:open > > jtreg will add the appropriate command line args when it is compiled and run. > There are various examples in existing test/jdk/java/io... tests. @RogerRiggs, are you happy with tests? ------------- PR: https://git.openjdk.java.net/jdk/pull/7092