?java.lang.ExceptionInInitializerError?at org.androidpn.server.xmpp.net.Connection.startTLS(Connection.java:273)?at org.androidpn.server.xmpp.net.StanzaHandler.startTLS(StanzaHandler.java:297)?at org.androidpn.server.xmpp.net.StanzaHandler.negotiateTLS(StanzaHandler.java:278)?at org.androidpn.server.xmpp.net.StanzaHandler.process(StanzaHandler.java:118)?at org.androidpn.server.xmpp.net.XmppIoHandler.messageReceived(XmppIoHandler.java:150)?at org.apache.mina.core.filterchain.DefaultIoFilterChain$TailFilter.messageReceived(DefaultIoFilterChain.java:713)?at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:434)?at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:46)?at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:793)?at org.apache.mina.filter.logging.LoggingFilter.messageReceived(LoggingFilter.java:176)?at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:434)?at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:46)?at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:793)?at org.apache.mina.filter.codec.ProtocolCodecFilter$ProtocolDecoderOutputImpl.flush(ProtocolCodecFilter.java:375)?at org.apache.mina.filter.codec.ProtocolCodecFilter.messageReceived(ProtocolCodecFilter.java:229)?at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:434)?at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:46)?at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:793)?at org.apache.mina.core.filterchain.IoFilterEvent.fire(IoFilterEvent.java:71)?at org.apache.mina.core.session.IoEvent.run(IoEvent.java:63)?at org.apache.mina.filter.executor.OrderedThreadPoolExecutor$Worker.runTask(OrderedThreadPoolExecutor.java:780)?at org.apache.mina.filter.executor.OrderedThreadPoolExecutor$Worker.runTasks(OrderedThreadPoolExecutor.java:772)?at org.apache.mina.filter.executor.OrderedThreadPoolExecutor$Worker.run(OrderedThreadPoolExecutor.java:714)?at java.lang.Thread.run(Thread.java:745)Caused by: java.lang.NullPointerException?at org.androidpn.server.xmpp.ssl.SSLConfig.<clinit>(SSLConfig.java:68)?... 24 more