Воспроизведение : 1) Открыть jitsi 2) Добавить существующую учётную запись на sip-сервер 3) Попробовать подключиться Результат: Ошибка " Failed to initialize accountFailed to get SIP Factory " А так она выглядит при запуске jitsi -d: 2017-08-23 12:37:46.964 SEVERE: [733] impl.protocol.sip.ProtocolProviderFactorySipImpl.createService().323 Failed to initialize account net.java.sip.communicator.service.protocol.OperationFailedException: Failed to get SIP Factory at net.java.sip.communicator.impl.protocol.sip.SipStackSharing.<init>(SipStackSharing.java:152) at net.java.sip.communicator.impl.protocol.sip.ProtocolProviderServiceSipImpl.initialize(ProtocolProviderServiceSipImpl.java:525) at net.java.sip.communicator.impl.protocol.sip.ProtocolProviderFactorySipImpl.createService(ProtocolProviderFactorySipImpl.java:315) at net.java.sip.communicator.service.protocol.ProtocolProviderFactory.loadAccount(ProtocolProviderFactory.java:995) at net.java.sip.communicator.service.protocol.ProtocolProviderFactory.loadAccount(ProtocolProviderFactory.java:971) at net.java.sip.communicator.impl.protocol.sip.ProtocolProviderFactorySipImpl.installAccount(ProtocolProviderFactorySipImpl.java:140) at net.java.sip.communicator.plugin.sipaccregwizz.SIPAccountRegistrationWizard.installAccount(SIPAccountRegistrationWizard.java:419) at net.java.sip.communicator.plugin.sipaccregwizz.SIPAccountRegistrationWizard.signin(SIPAccountRegistrationWizard.java:369) at net.java.sip.communicator.plugin.sipaccregwizz.SIPAccountRegistrationWizard.signin(SIPAccountRegistrationWizard.java:344) at net.java.sip.communicator.impl.gui.main.account.NewAccountDialog$ProtocolSignInThread.run(NewAccountDialog.java:585) at java.lang.Thread.run(Thread.java:745) Caused by: java.lang.NullPointerException: Specified service reference cannot be null. at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:460) at net.java.sip.communicator.impl.protocol.sip.SipActivator.getNetworkAddressManagerService(SipActivator.java:171) at net.java.sip.communicator.impl.protocol.sip.SipStackSharing.<init>(SipStackSharing.java:146) ... 10 more Беглое исследование: В интернете по этому поводу нашёл только обсуждение http://lists.jitsi.org/pipermail/dev/2016-June/028657.html