BI 4.1 SP7:HTTP 500 error if Tomcat > 7.0.59

Hello,

After having applied instructions of "SAP note 2149200 - Java 8 support issue on Tomcat 7.0.55 and Tomcat 8", I've this working platform :

- Windows Server 2012 R2

- Tomcat 7.0.59

- JRE 8_66

- BO BI 4.1 SP7

- SQL*Server 2014 (Repository + data)

Tomcat 7.0.59 is the last release that works on this platform, applying "SAP note 2149200" instructions.

NB: the last available release is Tomcat 7.0.67 and many others may be released to solve weaknesses.

Any release > 7.0.59 gives HTTP 500 errors described in 2149200 SAP note.

Neither "ecj-4.4.jar" nor "ecj-4.4.2.jar" seems to work with Tomcat release  > 7.0.59 .

Have you experienced such a problem ?

Any idea to solve it ?

It's a very serious problem not to be able to update with last security patches a Tomcat server opened to the web.

Thanks in advance.

Regards,

SP