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Try to change Server or Admin Port and you get exception.
Created attachment 12950 [details] NPE when changing Server port
Created attachment 12951 [details] NPE when changing Admin port
will fix in 3.6 looks like this is related to wrong handling of instances in tomcat plugin (previously also reported by Petr Pisl)
fixed. As a worksround for the issues with synchronizing instances of StartServer and DeploymentManager I found it easier to move the isRunning code into manager, which solves this problem.
verified