It turned out this problem was caused by a class constructor which started to give RuntimeException (it has some calculations based on DB data). That somehow caused ClassNotFoundException. I've solved the cause and had to reinstall tomcat (as after deleting "work" directory tomcat did not work properly).
On Mon, Jun 18, 2018 at 7:46 PM, Christopher Schultz < ch...@christopherschultz.net> wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA256 > > Mladen, > > On 6/16/18 5:37 AM, Mladen Adamović wrote: > > Hi all, > > > > I have a production Tomcat server and this morning it started to > > give strange ClassNotFoundError for stuff which was working for > > years without a problem. > > > > I did redeploy app (by copying into the dir and deleting their > > ROOT), but it didn't solve the issue, same ClassNotFoundException. > > > > On the development machine I built a new release, checked that it > > worked in my localhost (it worked, no ClassNotFoundException), and > > stopped Tomcat on the production server, moved files from work to > > work_1 directory (that's specified as deleting the cache), copied > > the new WAR files into the destination and deleted the previous > > files. > > > > It didn't still solve the issue, now I got even bigger problem JSPs > > which were working fine previously now they don't work? > > > > What could cause this problem? How to fix it (without setting again > > new production tomcat from scratch)? > > It sounds to me like a botched upgrade from a lower version (e.g. 7.0, > 8.0) to 8.5 if JSPs are no longer working. > > Compare the following files in your environment to what Tomcat ships > with out of the box: > > conf/context.xml > conf/web.xml > > There should be no changes between what you have on your disk and what > comes with Tomcat. > > If there are no changes, then look at your own application's > WEB-INF/web.xml to see if you ave somehow overridden the *.jsp > mapping. Finally, look in your application's META-INF/context.xml to > see if there is anything JSP-related in there. (There probably > shouldn't be anything in there, but it's better to check). > > - -chris > -----BEGIN PGP SIGNATURE----- > Comment: GPGTools - http://gpgtools.org > Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ > > iQIzBAEBCAAdFiEEMmKgYcQvxMe7tcJcHPApP6U8pFgFAlsn8A8ACgkQHPApP6U8 > pFhSaQ//fq2mr5JbsF9xueie/HHaO6lr7fwtK1VAJJObxbjCYWjVY4oly79QB5VU > lJJUi34WcZ3oBUBMGrwxThyg1+ll6IwzVJ5mh5GF0HAfwuYwUsNHhXf871a/uNqG > nGjpqQhbAFOHikZzZLdvLcgHJpVjXc24lI1C/R49gRGAhMOnYI1L3UjaLRF1SCNS > ZQrVQjWfwDpZLD0IDcsQxA0e5tR+xV3vr1bV4iNsqC7sjXcVWjf/OGLngmAenedL > ehIV9P15YceY1DCZOl8xbzFAJ4tJQvtE/s0dxvkUTZ4YXaf2zE5W/nFyVdHBhJ8C > U0oZWkvnLQv2u28MlzqK4cpA85Cpko+Y7ZDWxOIoiGhSVhBvdW3LwI0apphwIqMX > S3BA471kRzDUBgNNLU288HMF+4D7kk6MuaTJyzXLUM1vdy6fH16Hl7yYWaispj31 > 29vfNR2RfLdLhJ7SJ2v9FskciMkwD5LYCBL8Pybi8xUDeLyy/IrrwaNq3OrIUTIy > oAjRYd8R6rym3VB0WBvI4NlZxL2vhU2bJnDIsUGPljOuxntL/P3o19hcoqQwB3nM > Z/l9Tk5wJpSJjhlljOds3wOYHzJQR8OFAxW0kShgh3Pl9o3c2hU4o3Ff6zYKYnom > B5aRSAgGxeU9n+2DATwEakVq29ykB6o+gCIy91LmcXlEwyPdlqA= > =4Wmr > -----END PGP SIGNATURE----- > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org > >
