Hi Team,
I'm trying to connect with Guacamole 1.5.3 using apache tomcat 9+ . But got
an authentication error as follows.

--------------------------------------------------------

04:40:37.703 [main] ERROR o.a.g.extension.ProviderFactory - authentication
provider extension failed to start: Unable to create injector
, see the following errors:

1) [Guice/MissingConstructor]: No injectable constructor for type
RequestValidationService.

class RequestValidationService does not have a @Inject annotated
constructor or a no-arg constructor.

Requested by:
1  : RequestValidationService.class(RequestValidationService.java:39)
     at
JSONAuthenticationProviderModule.configure(JSONAuthenticationProviderModule.java:80)

Learn more:
  https://github.com/google/guice/wiki/MISSING_CONSTRUCTOR

1 error

======================
Full classname legend:
======================
JSONAuthenticationProviderModule:
"org.apache.guacamole.auth.json.JSONAuthenticationProviderModule"
RequestValidationService:
"org.apache.guacamole.auth.json.RequestValidationService"
========================
End of classname legend:
========================

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