Cannot install it with docker-compose

[majacal]

i filled up the environment correctly

i reached the webinterface where i can setup my licence
but after that i got the following stacktrace , what is the problem ?

HTTP Status 500 – Internal Server Error
Type Exception Report

Message Unable to register MBean [com.atlassian.confluence.jmx.TaskQueueWrapper@7e385cde] with key 'Confluence:name=MailTaskQueue'; nested exception is javax.management.InstanceAlreadyExistsException: Confluence:name=MailTaskQueue

Description The server encountered an unexpected condition that prevented it from fulfilling the request.

Exception

com.atlassian.config.ConfigurationException: Unable to register MBean [com.atlassian.confluence.jmx.TaskQueueWrapper@7e385cde] with key 'Confluence:name=MailTaskQueue'; nested exception is javax.management.InstanceAlreadyExistsException: Confluence:name=MailTaskQueue
	com.atlassian.confluence.setup.actions.AbstractSetupAction.transitionFromColdToVacantState(AbstractSetupAction.java:167)
	com.atlassian.confluence.setup.actions.SetupEmbeddedDatabaseAction.setupDatabase(SetupEmbeddedDatabaseAction.java:30)
	com.atlassian.confluence.setup.actions.AbstractDatabaseCreationAction.execute(AbstractDatabaseCreationAction.java:33)
	com.atlassian.confluence.setup.actions.SetupEmbeddedDatabaseAction.execute(SetupEmbeddedDatabaseAction.java:25)
	com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:168)
	com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:35)
	com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)
	com.atlassian.xwork.interceptors.XsrfTokenInterceptor.intercept(XsrfTokenInterceptor.java:120)
	com.atlassian.confluence.xwork.ConfluenceXsrfTokenInterceptor.intercept(ConfluenceXsrfTokenInterceptor.java:30)
	com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)
	com.atlassian.confluence.core.ConfluenceLicenseInterceptor.intercept(ConfluenceLicenseInterceptor.java:65)
	com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)

[jhult]

@matthiashertel,

Does this help? https://confluence.atlassian.com/confkb/unable-to-start-confluence-due-to-jmx-182158269.html