Hello, I was able to figure out that this issue was caused by a developer adding logging code to the serialization that had a NPE. Unfortunately the exception was not printed out to catalina.out so it was very hard to find, but easy to fix.
Thanks, -Jared On Tue, May 30, 2017 at 10:30 AM, Christopher Schultz <ch...@christopherschultz.net> wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA256 > > Jared, > > On 5/29/17 5:03 PM, Jared Walker wrote: >> Hello, >> >> I have a question about how BackupManager enforces or performs >> session replication. >> >> I have added print outs to the serializing methods of an object >> I'm binding to the http session. When I run a simple test (login >> to the server, shut it down, then try to refresh) I do not stay >> logged in. In looking through my debug output I have noticed the >> following on the server that is acting as the backup for session >> replication: >> >> ClickSession:865 - Session read in: ClickSession:866 - Session ID: >> tj8Zu6ANdJdftMJHPAOa/JyTBiY= ClickSession:867 - Login ID: 1 >> 1249:ClickSession is bound to HttpSession >> tj8Zu6ANdJdftMJHPAOa/JyTBiY= by key >> com.clickfind.http.ClickSession >> >> ClickSession:865 - Session read in: ClickSession:866 - Session ID: >> tj8Zu6ANdJdftMJHPAOa/JyTBiY= ClickSession:867 - Login ID: 18201 >> >> ClickSession:865 - Session read in: ClickSession:866 - Session ID: >> tj8Zu6ANdJdftMJHPAOa/JyTBiY= ClickSession:867 - Login ID: 18201 >> >> ClickSession:876 - Session write out: ClickSession:877 - Session >> ID: tj8Zu6ANdJdftMJHPAOa/JyTBiY= ClickSession:878 - Login ID: 1 >> >> As you can see, initially the session is replicated across with a >> guest login (ID=1). Then there are subsequent messages that >> indicate it is receiving updates to the session with an actual >> login value (ID=18201). >> >> However, when it goes to replicate the session to another server >> (because the primary node was shut down) you can see that it >> writes out the original value for the session (ID=1). >> >> How can I ensure that the replication replaces the existing object >> in the session attributes? > > Can you post the code that generates the above output? > > Are all those messages printed on the backup node (only)? Give us a > little more information about the setup of your cluster. > > - -chris > -----BEGIN PGP SIGNATURE----- > Comment: GPGTools - http://gpgtools.org > Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ > > iQIcBAEBCAAGBQJZLZAqAAoJEBzwKT+lPKRYiaAP/2rf2SnGTDeSbGcQPGVUqiJW > RIOYQcFITI9NC7kimSJGzgpwOa0kC4QAB5VDMhm7Jxgk+f+JercgEWgauWb8gxGy > QV5UHDRdAv1oD5/17hS0tSnIVt7hq2+Ar181BGMV29JyLMCnvimOdyklMmGRV/ET > aS9V32ybE49oIZkdUU7bybYIR3hBn+1wPn2P+/8S0tw0CN1L4+LI7u/RZXAU4pua > U5gPUBz5N+T57txnEvd1yfGdLuZqoeWiS7VYOo2pRwtilYkYbzCh0SlDU5WPgbX/ > TFG3J2sukEilcz4k1MWxzRiiyjo1JuhhfqB2vx3QJsxDoceKK5yaquwbscieYIFN > ONJMez0v1REDJ5C5d0gK/KdgU2PuNRwwgNiW3AO/nMUawGwdVGAL1UySzBcBs6Yd > WCwoCrwG97mSw2XKP0ioCvVQeWARfZ9ZL2DXKjJDQoghlSzsJGk5jFz8+yJYELzR > EKWlHvStwxaqBxQhqC/3SptMUlH2BKLHwro9uWulh0n0Y0Ii9wDRC0B6HqIg99pI > Ghn0lUevGEV0k4UsEzfUoVCi9CWxhixYijx5ZMCM88jlek8dl/UF2Rp5ZC3+scoY > zsGU6u9qaiW6VQrCcvkDA2GURuXuRoELsz0YdnVglEIQ9fQhs2UTUhSu5WJdltSw > h2cgi4lJG+lJq+nInDbx > =VJNr > -----END PGP SIGNATURE----- > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org > --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
