Nexus won't start when upgrading from nexus-3.21.2-03 to nexus-3.22.1-02

Hi ,

I see the below error in the nexus.log while trying to start nexus and it shows as nexus is running but i couldn’t access the UI.

2020-04-25 10:50:24,667-0500 ERROR [FelixStartLevel] *SYSTEM Felix - Bundle org.sonatype.nexus.bootstrap [65] Error starting mvn:org.sonatype.nexus/nexus-bootstrap/3.22.1-02 (org.osgi.framework.BundleException: Activator start error in bundle org.sonatype.nexus.bootstrap [65].)
org.osgi.framework.BundleException: Activator start error in bundle org.sonatype.nexus.bootstrap [65].
at org.apache.felix.framework.Felix.activateBundle(Felix.java:2290)
at org.apache.felix.framework.Felix.startBundle(Felix.java:2146)
at org.apache.felix.framework.Felix.setActiveStartLevel(Felix.java:1373)
at org.apache.felix.framework.FrameworkStartLevelImpl.run(FrameworkStartLevelImpl.java:308)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.IllegalArgumentException: Missing nexus-args
at org.sonatype.nexus.bootstrap.Launcher.(Launcher.java:106)
at org.sonatype.nexus.bootstrap.osgi.LauncherActivator.start(LauncherActivator.java:66)
at org.apache.felix.framework.util.SecureAction.startActivator(SecureAction.java:697)
at org.apache.felix.framework.Felix.activateBundle(Felix.java:2240)
… 4 common frames omitted
2020-04-25 10:50:24,667-0500 ERROR [FelixDispatchQueue] *SYSTEM org.sonatype.nexus.bootstrap - FrameworkEvent ERROR - org.sonatype.nexus.bootstrap
org.osgi.framework.BundleException: Activator start error in bundle org.sonatype.nexus.bootstrap [65].
at org.apache.felix.framework.Felix.activateBundle(Felix.java:2290)
at org.apache.felix.framework.Felix.startBundle(Felix.java:2146)
at org.apache.felix.framework.Felix.setActiveStartLevel(Felix.java:1373)
at org.apache.felix.framework.FrameworkStartLevelImpl.run(FrameworkStartLevelImpl.java:308)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.IllegalArgumentException: Missing nexus-args
at org.sonatype.nexus.bootstrap.Launcher.(Launcher.java:106)
at org.sonatype.nexus.bootstrap.osgi.LauncherActivator.start(LauncherActivator.java:66)
at org.apache.felix.framework.util.SecureAction.startActivator(SecureAction.java:697)
at org.apache.felix.framework.Felix.activateBundle(Felix.java:2240)
… 4 common frames omitted

I was able to start nexus, it looks like “nexus-args” was commented out. was able to restart after un commenting it.