-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Mark,
On 11/4/19 11:56, Mark Thomas wrote: > On 04/11/2019 15:30, Mark Thomas wrote: >> On 04/11/2019 15:11, Tim K wrote: >>> On Mon, Nov 4, 2019, 10:06 AM Mark Thomas <ma...@apache.org> >>> wrote: >>> >>>> >>>> How are you distributing the updates to the JSP to all 4 >>>> servers? >>>> >>>> Is there a shared file system involved? If yes, exactly what >>>> is shared between the instances? >>>> >>>> Mark >>>> >>> >>> Common NFS storage included via <PreResources> (DirResourceSet) >>> within the <Context> of my clustered application. But to rule >>> out any issue with that, I tried using local storage within the >>> war directory itself and updated the JSP on local storage >>> exactly at the same time and the problem still persisted. >> >> Thanks. That helps as it means the issue should be reproducible >> on a single, stand-alone instance. > > Hmm. I have a theory but it is one that I can't easily reproduce > because the root cause is using non-volatile fields across multiple > threads. > > How plausible is it that there would be two concurrent requests for > that modified JSP? Pretty plausible IMHO. Imagine /index.jsp being updated and everybody hits that. Especially in these days of "there is only one page in the whole site and you only request it once" web applications. (*grump*) - -chris -----BEGIN PGP SIGNATURE----- Comment: Using GnuPG with Thunderbird - https://www.enigmail.net/ iQIzBAEBCAAdFiEEMmKgYcQvxMe7tcJcHPApP6U8pFgFAl3AcwoACgkQHPApP6U8 pFiHVxAAvV1yfHGQZbuZ4y+kllROBrrvlm8o2mlxY6GqMWJWIrkfwG2E1y1PveXm r6CR310V8/gK2N9uK7rbhT42rMfMUN+zWy3O6qI6jEwidknh26uYvok75a5rnpx1 f/Gk/PfbFCECownrvuGIG7Tgecdw6eWCR2yT2ZMDNdkM0UG8T0mb5XdSUEhm6sm3 EJvA8uYFY3mIb+6uXzTYotUfA1Ij41+K+/mzFjXr/upWu0QYfugckjW4cOG1daT6 h1B8LLZmi8cAqjDInWSYuuKyudsqfoxlyIdD98AQSEt5DnhvbqQazEcWI3eOJ+Qc ikltp5clIwT+fDYZkzBDMlDwfyDtx33Y0FXBrzgA8hetfr3PV563fmHgNqewUbLU HZWbaKW8TDuZEasLaHnTPRi5oJCGGIa0YK7dY0kWIGgT0sOOjyFRqFOr+gF/+tnf m8GYzKistvpWe4Sf8WSYpOeghBrMfBUoBYLjHx3IGJW7r8lFQCIXvvjz4bm2krIy vYegeUT3UEQ7P7I/0Aug7m+LTiyfH3N4fcxOFgRBoqUIt0oXLyarCZF1y4eDZiqM 3htPudHP8K5qHNbu7Zvt73B9pye5cUdSt0HU9QO6CwjrJa3qSl0EMsPzPOJcecar omN0NA2Q6w46LwDMzDiq8E+zNgfSw/mSPkSWvO9aGmvzxy/OHKA= =d7q8 -----END PGP SIGNATURE----- --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org