null pointer on v2.0.4

[trinaryouroboros]

Running a linux instance in AWS Cloud9, was able to use the tool before, but removing ~/.okta and reinstalling with latest version and setting up config.properties like before, I get the following null pointer exception:

SystemAdminAccessRole:~ $ awscli s3 ls
Exception in thread "main" java.lang.NullPointerException
at java.base/java.net.URI$Parser.parse(URI.java:3127)
at java.base/java.net.URI.(URI.java:623)
at java.base/java.net.URI.create(URI.java:904)
at org.apache.http.client.methods.HttpGet.(HttpGet.java:66)
at com.okta.tools.saml.OktaAppClientImpl.launchApp(OktaAppClientImpl.java:40)
at com.okta.tools.saml.OktaSaml.getSamlResponseForAwsRefresh(OktaSaml.java:59)
at com.okta.tools.saml.OktaSaml.getSamlResponse(OktaSaml.java:45)
at com.okta.tools.OktaAwsCliAssumeRole.doRequest(OktaAwsCliAssumeRole.java:132)
at com.okta.tools.OktaAwsCliAssumeRole.run(OktaAwsCliAssumeRole.java:102)
at com.okta.tools.WithOkta.main(WithOkta.java:30)

[trinaryouroboros]

This was reported in error, OKTA_AWS_APP_URL= was missing