*Warning*
Anyone can you please give the solution of this warning and please suggest file and directory permission

NOTE: Picked up JDK_JAVA_OPTIONS:  --add-opens=java.base/java.lang=ALL-UNNAMED --add-opens=java.base/java.io=ALL-UNNAMED --add-opens=java.base/java.util=ALL-UNNAMED --add-opens=java.base/java.util.concurrent=ALL-UNNAMED --add-opens=java.rmi/sun.rmi.transport=ALL-UNNAMED
May 22, 2024 9:23:00 AM org.apache.catalina.startup.Catalina parseServerXml
WARNING: Unable to load server configuration from [/opt/tomcat/conf/server.xml]
java.io.FileNotFoundException: /opt/tomcat/conf/server.xml (Permission denied)
        at java.base/java.io.FileInputStream.open0(Native Method)
        at java.base/java.io.FileInputStream.open(FileInputStream.java:219)
        at java.base/java.io.FileInputStream.<init>(FileInputStream.java:157)
        at java.base/java.io.FileInputStream.<init>(FileInputStream.java:112)
        at java.base/sun.net.www.protocol.file.FileURLConnection.connect(FileURLConnection.java:86)
        at java.base/sun.net.www.protocol.file.FileURLConnection.getInputStream(FileURLConnection.java:184)
        at org.apache.catalina.startup.CatalinaBaseConfigurationSource.getResource(CatalinaBaseConfigurationSource.java:118)
        at org.apache.tomcat.util.file.ConfigurationSource.getConfResource(ConfigurationSource.java:150)
        at org.apache.tomcat.util.file.ConfigurationSource.getServerXml(ConfigurationSource.java:127)
        at org.apache.catalina.startup.CatalinaBaseConfigurationSource.getServerXml(CatalinaBaseConfigurationSource.java:52)
        at org.apache.catalina.startup.Catalina.parseServerXml(Catalina.java:568)
        at org.apache.catalina.startup.Catalina.load(Catalina.java:671)
        at org.apache.catalina.startup.Catalina.load(Catalina.java:709)
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:566)
        at org.apache.catalina.startup.Bootstrap.load(Bootstrap.java:302)
        at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:475)

May 22, 2024 9:23:00 AM org.apache.catalina.startup.Catalina start
SEVERE: Cannot start server, server instance is not configured
    

*Tomcat Directory permission*

drwxr-x--- 3 777 tomcat 4096 May 21 13:06 bin

drw--w--w- 4 tomcat tomcat 4096 May 21 12:09 conf

drwxr-x--- 2 777 tomcat 4096 Mar 12 06:21 lib

drwxrwx-w- 6 tomcat tomcat 4096 May 22 07:26 logs

drwxrwxrwx 2 tomcat tomcat 4096 May 22 09:25 temp

drwxr-x--- 11 777 tomcat 4096 May 20 08:02 webapps

drwxr-x--- 3 777 tomcat 4096 Mar 12 06:22 work

*Conf file permission*

drwxr-x--- 3 777 tomcat 4096 May 21 12:02 Catalina

-rw------- 1 777 tomcat 4144 May 16 07:32 logging.properties

-rw-r--r-- 1 tomcat tomcat 8179 May 21 10:06 server.xml

-rw------- 1 777 tomcat 2850 May 21 12:09 tomcat-users.xml

-rw------- 1 777 tomcat 2558 Feb 14 08:15 tomcat-users.xsd

-rw------- 1 777 tomcat 172951 Feb 14 08:15 web.xml