Blank Error Message on vRSLCM 8.8.x when we check for System Upgrade

When you perform an upgrade to latest version of vRSLCM that's 8.8.2.3 and you perform a "Check for Upgrade" it would throw a red banner which looks like an exception with no message

This is a cosmetic issue and has no impact of product functionality

Ideally , when your on latest version of vRSLCM , then you perform a system upgrade check you would be returned that there is no upgrade available.

This is still the behavior in the background. Due to a known issue instead of a message we get an exception.

This behavior is being fixed in upcoming release of vRSLCM

From logs perspective , when you click on "check for upgrade" this is what happens in the background

Reference: vmware_vrlcm.log

## checks if it's a vcf based env, it's not ## 
 
2022-08-11 08:29:17.676 INFO [http-nio-8080-exec-4] c.v.v.l.l.c.DeploymentsController - -- is vcF user ::false
 
## executes update check command ## 
 
2022-08-11 08:29:17.677 INFO [http-nio-8080-exec-4] c.v.v.l.u.ShellExecutor - -- Executing shell command: /opt/vmware/bin/vamicli update --check
2022-08-11 08:29:17.679 INFO [http-nio-8080-exec-4] c.v.v.l.u.ProcessUtil - -- Execute /opt/vmware/bin/vamicli
 
## result returned is absolutely right. There are no further upgrades available for 8.8.2 ## 
 
2022-08-11 08:29:18.582 INFO [http-nio-8080-exec-4] c.v.v.l.u.ShellExecutor - -- Result: [Checking for available updates, this process can take a few minutes...
.
Available Updates -
No available updates found].
2022-08-11 08:29:18.583 INFO [http-nio-8080-exec-4] c.v.v.l.u.u.LCMUpgradeUtil - -- Output of update check : Checking for available updates, this process can take a few minutes...
.
Available Updates -
No available updates found

2022-08-11 08:29:18.583 INFO [http-nio-8080-exec-4] c.v.v.l.l.c.DeploymentsController - -- Authentication object is not null org.springframework.security.authentication.UsernamePasswordAuthenticationToken@fe908ae6: YXYXYXYX org.springframework.security.core.userdetails.User@c220133a: Username: admin@local; Password: YXYXYXYX Enabled: true; AccountNonExpired: true; credentialsNonExpired: true; AccountNonLocked: true; Granted Authorities: LCM_ADMIN; Credentials: [PROTECTED]; Authenticated: true; Details: org.springframework.security.web.authentication.WebAuthenticationDetails@957e: RemoteIpAddress: 127.0.0.1; SessionId: null; Granted Authorities: LCM_ADMIN
 
## Ideally or in the previous versions following message would be displayed in UI stating "No upgrade available" 
 
2022-08-11 08:29:18.583 INFO [http-nio-8080-exec-4] c.v.v.l.l.c.DeploymentsController - -- is vcF user ::false
2022-08-11 08:29:18.583 INFO [http-nio-8080-exec-4] c.v.v.l.u.u.LCMUpgradeUtil - -- No upgrade available.
 
## Now we get a banner with an incomplete error which ideally should not be the case due to this below error ## 
 
2022-08-11 08:29:18.583 ERROR [http-nio-8080-exec-4] c.v.v.l.l.c.InputValidationExceptionHandlingController - -- Handling InvalidInputException with error message: null

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