Try apt-get install haveged update-rc.d haveged defaults
This increases the system entropy for random generation and reduces boot time for Tomcat considerably. Markus Am 18.05.19 um 22:18 schrieb Rainer Jung: > Most likely it hangs waiting for enough entropy for random number > generator seeding. > > Try whether the problem goes away if you add > > -Djava.security.egd=file:/dev/urandom > > to you process flags. If you are using older Java than Java 8 (not > possible for Tomcat 9 but just in case you also have older software > stacks running), then it would be > > -Djava.security.egd=file:/dev/./urandom > > The cryptic /./ is not a typo, you would need it for Java before Java 8. > > If this doesn't help, then you should try capturing a few stack dumps > (thread dumps) during the long startup time. People here can help > interpret them. > > Regards, > > Rainer > > Am 18.05.2019 um 21:55 schrieb Jerry Malcolm: >> This is a weird one. It started a few months ago. I have TC 9 >> running on Windows Server 16. After I reboot the entire server, >> Tomcat takes forever on startup. It normally starts in about 30 >> seconds. But after a server reboot it takes up to 15 minutes... >> chugging along at a snail's pace starting up all of the apps on all >> of the virtual hosts. It always finally gets there with everything >> successfully running. Other servers on the same box (Apache, JAMES, >> ISC BIND, MySQL) don't have any problem starting up. CPU, Disk, >> Memory, etc. usages are barely showing on the performance graphs. >> There's nothing in the Catalina log or system.err other than showing >> a couple of minute gap in the time stamp between each app as it >> starts up. If I need to reboot again later, it boots again in about >> 30 sec as expected. >> >> First question... any ideas off the top of your head that might be >> causing this? >> >> Second question... is there any other logging I can turn on that >> might explain what TC is blocking on? >> >> Thanks. >> >> Jerry > > --------------------------------------------------------------------- > 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
