diff -up ./conf/catalina.policy.orig ./conf/catalina.policy
--- ./conf/catalina.policy.orig	2022-03-04 08:49:08.246538215 -0500
+++ ./conf/catalina.policy	2022-03-04 08:50:31.842356329 -0500
@@ -56,6 +56,36 @@ grant codeBase "file:${java.home}/lib/ex
 //        permission java.security.AllPermission;
 //};
 
+// This permission is required when using javac to compile JSPs on Java 9
+// onwards
+grant codeBase "jrt:/jdk.compiler" {
+        permission java.security.AllPermission;
+};
+
+// ========== RHEL SPECIFIC CODE PERMISSIONS =======================================
+
+// Allowing everything in /usr/share/java allows too many unknowns to be permitted
+// Specifying the individual jars that tomcat needs to function with the security manager
+// is the safest way forward.
+grant codeBase "file:/usr/share/java/tomcat-servlet-4.0-api.jar" {
+        permission java.security.AllPermission;
+};
+grant codeBase "file:/usr/share/java/tomcat-jsp-2.3-api.jar" {
+        permission java.security.AllPermission;
+};
+grant codeBase "file:/usr/share/java/tomcat-el-3.0-api.jar" {
+        permission java.security.AllPermission;
+};
+grant codeBase "file:/usr/share/java/ant.jar" {
+        permission java.security.AllPermission;
+};
+grant codeBase "file:/usr/share/java/ant-launcher.jar" {
+        permission java.security.AllPermission;
+};
+grant codeBase "file:/usr/lib/jvm/java/lib/tools.jar" {
+        permission java.security.AllPermission;
+};
+
 
 // ========== CATALINA CODE PERMISSIONS =======================================