2017-06-01 17:16:19.523 [main]             Kernel.getInstance()                    SEVERE:   Exception getting instance
java.lang.IllegalStateException: STARTED
        at org.eclipse.jetty.server.handler.HandlerWrapper.setHandler(HandlerWrapper.java:85)
        at tigase.http.jetty.JettyStandaloneHttpServer.initialize(JettyStandaloneHttpServer.java:113)
        at tigase.kernel.core.Kernel.initBean(Kernel.java:156)
        at tigase.kernel.core.Kernel.injectDependencies(Kernel.java:580)
        at tigase.kernel.core.Kernel.initBean(Kernel.java:151)
        at tigase.kernel.core.Kernel.injectDependencies(Kernel.java:580)
        at tigase.kernel.core.Kernel.injectDependency(Kernel.java:768)
        at tigase.kernel.core.Kernel$DelayedDependenciesInjection.inject(Kernel.java:1365)
        at tigase.kernel.core.Kernel.finishDependecyDelayedInjection(Kernel.java:1029)
        at tigase.kernel.core.Kernel.initBean(Kernel.java:147)
        at tigase.kernel.core.Kernel.injectDependencies(Kernel.java:580)
        at tigase.kernel.core.Kernel.initBean(Kernel.java:151)
        at tigase.kernel.core.Kernel.getInstance(Kernel.java:386)
        at tigase.server.Bootstrap.start(Bootstrap.java:129)
        at tigase.server.XMPPServer.start(XMPPServer.java:142)
        at tigase.server.XMPPServer.main(XMPPServer.java:123)




  =============================================================================
  ERROR! Terminating the server process.
  Problem initializing the server: tigase.kernel.KernelException: java.lang.IllegalStateException: STARTED
  Please fix the problem and start the server again.
  =============================================================================