Re: Tomcat 8.5 NIO w/ SSL Windows CPU issues

2016-08-10 Thread Mike Noordermeer
Hi, > Are you fronting with a web server/reverse proxy? Those "-" requests > looks suspiciously like the kinds of requests that Apache httpd makes > to itself to verify that worker threads are still available for > certain things. No, there is no web server or proxy in front of Tomcat. > I'm cur

Re: Tomcat 8.5 NIO w/ SSL Windows CPU issues

2016-08-10 Thread tomcat
On 10.08.2016 17:46, Christopher Schultz wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Mike, On 8/10/16 6:15 AM, Mike Noordermeer wrote: Hi, After an upgrade to Tomcat 8.5, we are experiencing an issue where Tomcat starts generating a high CPU load (100%), probably after an HTTP netw

Re: Tomcat 8.5 NIO w/ SSL Windows CPU issues

2016-08-10 Thread Christopher Schultz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Mike, On 8/10/16 6:15 AM, Mike Noordermeer wrote: > Hi, > > After an upgrade to Tomcat 8.5, we are experiencing an issue where > Tomcat starts generating a high CPU load (100%), probably after an > HTTP network scan. The bug seems to be related t

Tomcat 8.5 NIO w/ SSL Windows CPU issues

2016-08-10 Thread Mike Noordermeer
Hi, After an upgrade to Tomcat 8.5, we are experiencing an issue where Tomcat starts generating a high CPU load (100%), probably after an HTTP network scan. The bug seems to be related to Windows, NIO and possibly SSL. I have a Yourkit dump and several thread dumps that show the issue, and was won