I am able to view my website only using :  domain.com:8080

So for apache to route the request to tomcat use the below in .htaccess

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SetHandler jakarta-servlet
SetEnv JK_WORKER_NAME ajp13
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How to increase  Increase tomcat memory limit

[root@support ~]#vi /var/cpanel/tomcat.options

-Xmx2048m
-Xms2048m