Jenkins not working but the process is running

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The service appears to be up but when you attempt to login you get

Check out the log files

/var/log/jenkins/jenkins.log
2021-03-24 16:18:04.617+0000 [id=1]     SEVERE  winstone.Logger#logInternal: Container startup failed
java.io.FileNotFoundException: /var/cache/jenkins/war/META-INF/MANIFEST.MF (No such file or directory)
        at java.io.FileOutputStream.open0(Native Method)
        at java.io.FileOutputStream.open(FileOutputStream.java:270)
        at java.io.FileOutputStream.<init>(FileOutputStream.java:213)
        at java.io.FileOutputStream.<init>(FileOutputStream.java:162)
        at winstone.HostConfiguration.getWebRoot(HostConfiguration.java:278)
        at winstone.HostConfiguration.<init>(HostConfiguration.java:81)
        at winstone.HostGroup.initHost(HostGroup.java:66)
        at winstone.HostGroup.<init>(HostGroup.java:45)
        at winstone.Launcher.<init>(Launcher.java:172)
        at winstone.Launcher.main(Launcher.java:362)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at Main._main(Main.java:375)
        at Main.main(Main.java:151)

Notice that the id of the user and the files do not correspond

[frealvar@den01uie jenkins]$ id jenkins
uid=696124(jenkins) gid=10(wheel) groups=10(wheel),59969(jenkins),52932(svn_virtualassistant)
Mar 24 09:18:03 den01uie systemd[1]: Starting LSB: Jenkins Automation Server...
Mar 24 09:18:03 den01uie runuser[116391]: pam_unix(runuser:session): session opened for user jenkins by (uid=0)

Fix

sudo mkdir -p /var/cache/jenkins
sudo chown -R jenkins:jenkins /var/cache/jenkins

Restart Jenkins

sudo systemctl restart jenkins
sudo systemctl status jenkins