-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Jonathan,
On 5/18/20 12:52, Jonathan Yom-Tov wrote: > I see the persisted copy in the file and it has two keys, so I > don't think that's it. It's probably some sort of parallelism issue > since it happens only occasionally, but the map is a > ConcurrentHashMap, so I can't see how it would be overwritten. What happens if both servers write the file at the same time? - -chris > On Mon, 18 May 2020, 19:47 Mark Thomas, <ma...@apache.org> wrote: > >> On 18/05/2020 15:23, Jonathan Yom-Tov wrote: >>> Here's my setup: I have two Tomcats using PersistentManager >>> with >> FileStore >>> to store sessions on a NFS they both have access to. Inside the >>> session there's an object which contains a map. I also have a >>> request listener >> that >>> logs the contents of the map on every request. >>> >>> I kill one Tomcat and I can see in the session file that the >>> map contains two keys. I then make a request to the remaining >>> Tomcat and I can see the map contains only one key. >>> >>> The only way I can think of that that would happen is if the >>> map was only partially loaded from the file. Is that even >>> possible? Any good ideas on how to debug this? >> >> Best guess you add the Map containing one key to the session and >> then later add a second key the Map. Tomcat doesn't consider the >> session to be updated when the second key is added so the >> persisted copy doesn't get updated. >> >> Mark >> >> >> --------------------------------------------------------------------- >> >> To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org >> For additional commands, e-mail: users-h...@tomcat.apache.org >> >> > -----BEGIN PGP SIGNATURE----- Comment: Using GnuPG with Thunderbird - https://www.enigmail.net/ iQIzBAEBCAAdFiEEMmKgYcQvxMe7tcJcHPApP6U8pFgFAl7C0MgACgkQHPApP6U8 pFh8MQ/7BXrjQ9dpvDIbXBaWXXF+1jAXHccOCn471SjN4rqkn5zuyQcPASEI0Gxs bgfVnKRJu6ZCc5yQhkISLB4l2aE7/+duL8SRFygcaZRrVeBtRi+LSOyQQRAYqGyJ PbVgO0eAp823+ii93tkWgUxpRgKERmlyM+6M5R22OKHW5Erck+DLLK1xeEn8HYOU DvNMxS2/eawoxl811JwGfhUX/01tazV9kjeaRmVucUuqZWYQfX3qmCTAHyBDrT5b hu76BkZQ5/aB+sZUClZu0/PuGQ3Q8vNJjDh+FlYjpuxzm7wotJxCp682+RgkfriK bLE9a2Fn7Lzr2OZt2ZmPXnvMO0/Ai9Pb4Z+fMF/vWkMs6ZtH5RwxYiLfl/uzQrFj oH9+bNj/WXOSOLLOOFE16UZc7P59G5NvI1iEpRtzOJOSZRVDchq9nff6sSfEhK1z 9cOSVuBpvRSyKAhAC62G5q0eSHQ9GEJGwBREqkFAift0qn8MtjRe+XzPR9CBwcZ2 HPwFTZ+Bs5ohqpCXijc9nwg0UwiAFefUdPEpVJHDJoRsv4IC06fagdAZaqAWeaEu LiY0lPWFj+7YnQ4oV9mfho19B8y1hwA6eGKaU3BSHfyc67knqZFtZYyfFVITXHh1 E/SuOlXM3gci3vbhpHV6JqDeItmkB810Dx4McbsRUNFqu9982pc= =Y5dx -----END PGP SIGNATURE----- --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
