Running current master on Ignite, we see lots of these
2015.08.17 13:27:05 org.jivesoftware.openfire.nio.ConnectionHandler - Closing connection due to error while processing message: <response xmlns="urn:ietf:params:xml:ns:xmpp-sasl">Yz1iaXdzLHI9b3Y2azc4dDlpYzVlMHAxNDU3YnQ3YzA5YWU3ZC00ZWZkLTRhNTAtYThkMy01M2IyMTQwN2U2MmMscD01YXc3UEt3RlJaQ0dLeFl6T3pZTitPRE44MmM9</response>
java.lang.NullPointerException
at javax.xml.bind.DatatypeConverterImpl.guessLength(DatatypeConverterImpl.java:654)
at javax.xml.bind.DatatypeConverterImpl._parseBase64Binary(DatatypeConverterImpl.java:692)
at javax.xml.bind.DatatypeConverterImpl.parseBase64Binary(DatatypeConverterImpl.java:434)
at javax.xml.bind.DatatypeConverter.parseBase64Binary(DatatypeConverter.java:342)
at org.jivesoftware.openfire.sasl.ScramSha1SaslServer.getStoredKey(ScramSha1SaslServer.java:339)
at org.jivesoftware.openfire.sasl.ScramSha1SaslServer.generateServerFinalMessage(ScramSha1SaslServer.java:185)
at org.jivesoftware.openfire.sasl.ScramSha1SaslServer.evaluateResponse(ScramSha1SaslServer.java:114)
at org.jivesoftware.openfire.net.SASLAuthentication.handle(SASLAuthentication.java:361)
at org.jivesoftware.openfire.net.StanzaHandler.process(StanzaHandler.java:177)
at org.jivesoftware.openfire.nio.ConnectionHandler.messageReceived(ConnectionHandler.java:177)
at org.apache.mina.core.filterchain.DefaultIoFilterChain$TailFilter.messageReceived(DefaultIoFilterChain.java:690)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:417)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:47)
at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:765)
at org.apache.mina.core.filterchain.IoFilterAdapter.messageReceived(IoFilterAdapter.java:109)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:417)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:47)
at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:765)
at org.apache.mina.filter.codec.ProtocolCodecFilter$ProtocolDecoderOutputImpl.flush(ProtocolCodecFilter.java:407)
at org.apache.mina.filter.codec.ProtocolCodecFilter.messageReceived(ProtocolCodecFilter.java:236)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:417)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:47)
at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:765)
at org.apache.mina.core.filterchain.IoFilterEvent.fire(IoFilterEvent.java:74)
at org.apache.mina.core.session.IoEvent.run(IoEvent.java:63)
at org.apache.mina.filter.executor.OrderedThreadPoolExecutor$Worker.runTask(OrderedThreadPoolExecutor.java:769)
at org.apache.mina.filter.executor.OrderedThreadPoolExecutor$Worker.runTasks(OrderedThreadPoolExecutor.java:761)
at org.apache.mina.filter.executor.OrderedThreadPoolExecutor$Worker.run(OrderedThreadPoolExecutor.java:703)
at java.lang.Thread.run(Thread.java:745)
Running current master on Ignite, we see lots of these
2015.08.17 13:27:05 org.jivesoftware.openfire.nio.ConnectionHandler - Closing connection due to error while processing message: <response xmlns="urn:ietf:params:xml:ns:xmpp-sasl">Yz1iaXdzLHI9b3Y2azc4dDlpYzVlMHAxNDU3YnQ3YzA5YWU3ZC00ZWZkLTRhNTAtYThkMy01M2IyMTQwN2U2MmMscD01YXc3UEt3RlJaQ0dLeFl6T3pZTitPRE44MmM9</response> java.lang.NullPointerException at javax.xml.bind.DatatypeConverterImpl.guessLength(DatatypeConverterImpl.java:654) at javax.xml.bind.DatatypeConverterImpl._parseBase64Binary(DatatypeConverterImpl.java:692) at javax.xml.bind.DatatypeConverterImpl.parseBase64Binary(DatatypeConverterImpl.java:434) at javax.xml.bind.DatatypeConverter.parseBase64Binary(DatatypeConverter.java:342) at org.jivesoftware.openfire.sasl.ScramSha1SaslServer.getStoredKey(ScramSha1SaslServer.java:339) at org.jivesoftware.openfire.sasl.ScramSha1SaslServer.generateServerFinalMessage(ScramSha1SaslServer.java:185) at org.jivesoftware.openfire.sasl.ScramSha1SaslServer.evaluateResponse(ScramSha1SaslServer.java:114) at org.jivesoftware.openfire.net.SASLAuthentication.handle(SASLAuthentication.java:361) at org.jivesoftware.openfire.net.StanzaHandler.process(StanzaHandler.java:177) at org.jivesoftware.openfire.nio.ConnectionHandler.messageReceived(ConnectionHandler.java:177) at org.apache.mina.core.filterchain.DefaultIoFilterChain$TailFilter.messageReceived(DefaultIoFilterChain.java:690) at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:417) at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:47) at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:765) at org.apache.mina.core.filterchain.IoFilterAdapter.messageReceived(IoFilterAdapter.java:109) at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:417) at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:47) at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:765) at org.apache.mina.filter.codec.ProtocolCodecFilter$ProtocolDecoderOutputImpl.flush(ProtocolCodecFilter.java:407) at org.apache.mina.filter.codec.ProtocolCodecFilter.messageReceived(ProtocolCodecFilter.java:236) at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:417) at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:47) at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:765) at org.apache.mina.core.filterchain.IoFilterEvent.fire(IoFilterEvent.java:74) at org.apache.mina.core.session.IoEvent.run(IoEvent.java:63) at org.apache.mina.filter.executor.OrderedThreadPoolExecutor$Worker.runTask(OrderedThreadPoolExecutor.java:769) at org.apache.mina.filter.executor.OrderedThreadPoolExecutor$Worker.runTasks(OrderedThreadPoolExecutor.java:761) at org.apache.mina.filter.executor.OrderedThreadPoolExecutor$Worker.run(OrderedThreadPoolExecutor.java:703) at java.lang.Thread.run(Thread.java:745)