I am happy to sponsor this next week after providing time for additional review feedback and also sanity check it via Mach5
Best Lance > On Jan 11, 2020, at 5:24 AM, Jaikiran Pai <jai.forums2...@gmail.com> wrote: > > Hello Alan, > > On 11/01/20 3:37 pm, Alan Bateman wrote: >> On 11/01/2020 09:51, Jaikiran Pai wrote: >>> : >>> >>> The commit here fixes that issue by simply clearing the "inodes" map in >>> the jdk.nio.zipfs.ZipFileSystem.close() method. I have checked the usage >>> of the "inodes" map and from what I see, it's usage in various places is >>> guarded by "ensureOpen" checks, which means that once the ZipFileSystem >>> instance is closed, the contents of these "inodes" map is no longer >>> relevant and hence clearing it shouldn't cause any issues. >>> >> Clearing the inodes map should be okay for cases where something is >> holding a reference to a closed zip file system. However, you should >> look at beginWrite/endWrite so that all access to the map is >> consistently synchronized. >> > Thank you very much for that input - I hadn't considered the concurrency > aspect of it. Based on your input and after looking at the usage of the > "inodes", I have now updated the patch to use proper locks during the > clearing of the inodes. The updated webrev is available at > https://cr.openjdk.java.net/~jpai/webrev/7143743/2/webrev/ > <https://cr.openjdk.java.net/~jpai/webrev/7143743/2/webrev/> > > -Jaikiran <http://oracle.com/us/design/oracle-email-sig-198324.gif> <http://oracle.com/us/design/oracle-email-sig-198324.gif> <http://oracle.com/us/design/oracle-email-sig-198324.gif> <http://oracle.com/us/design/oracle-email-sig-198324.gif>Lance Andersen| Principal Member of Technical Staff | +1.781.442.2037 Oracle Java Engineering 1 Network Drive Burlington, MA 01803 lance.ander...@oracle.com <mailto:lance.ander...@oracle.com>