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From Romain Manni-Bucau <>
Subject Re: Feedback on TomEE 7.0.2 - SSL stability problem
Date Tue, 20 Dec 2016 13:33:46 GMT
Hi Keerati,

TomEE SSL layer is 100% Tomcat one so if the issue is linked to SSL it
means you need to check Tomcat setup (I'd start by the Connector
configuration then probably depending the protocol - apr, https - by the
libraries on the machine since Tomcat can be linked to openssl depending
how you run it).

That said having a thread dump when it happens (jstack or kill -3 of the
process id) would help a lot to validate this hypothesis.

Romain Manni-Bucau
@rmannibucau <> |  Blog
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LinkedIn <> | JavaEE Factory

2016-12-20 12:46 GMT+01:00 Keerati Jittrawong <>:

> Dear TomEE team,
> First of all, thanks for making TomEE, and making EJB accessible to all!
> We are greatly appreciate your effort.
> We've been using TomEE for our project for a while, and would like to give
> some feedbacks.
> Previously, we use TomEE 1.7.4 and found a minor bug about cache header
> when TomEE serve javascript files (the javascript files does not get cached
> by the browser), it seems that there is a bug on cache-related http headers
> (the cache header always get overridden by TomEE, so we cannot tell browser
> to cache the javascript files).
> Then, we change to TomEE 7.0.2 and the cache header bug has been resolved.
> However, we think we found a bug on SSL feature. We've setup SSL on two
> different machine (Redhat and CentOS) using two different SSL certificates,
> and the exact same problem happen.
> At first, TomEE runs normally, but after a few days (we are not exactly
> sure how long), TomEE starts to have stability problem. In our case, TomEE
> starts to consume CPU usage (~20% on all CPU cores) even when there is no
> connection. Furthermore, when users start to really use our server (250
> users, about 1 day), TomEE did crash. So, we decided to disable SSL from
> our TomEE server, and everything come back to normal.
> Sorry that we did not record all the problems appropriately (the time we
> test SSL on the 1st and 2nd server is about 2 months), but now that we
> found the same problem happen on the 2nd server. We are quite sure that
> TomEE has stability problem with SSL.
> If you want more details or want us to help in anyway, please let us know.
> Thank you and best regards,
> Keerati

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