09:42:14,005 WARN  [org.apache.activemq.artemis.core.message.impl.CoreMessage] (default I/O-9) Error creating String for message: : java.lang.NullPointerException
	at org.apache.activemq.artemis.core.message.impl.CoreMessage.encode(CoreMessage.java:584)
	at org.apache.activemq.artemis.core.message.impl.CoreMessage.checkEncode(CoreMessage.java:248)
	at org.apache.activemq.artemis.core.message.impl.CoreMessage.getEncodeSize(CoreMessage.java:647)
	at org.apache.activemq.artemis.core.message.impl.CoreMessage.getPersistentSize(CoreMessage.java:1157)
	at org.apache.activemq.artemis.core.message.impl.CoreMessage.toString(CoreMessage.java:1132)
	at java.lang.String.valueOf(String.java:2994) [rt.jar:1.8.0_131]
	at java.lang.StringBuilder.append(StringBuilder.java:131) [rt.jar:1.8.0_131]
	at org.apache.activemq.artemis.core.protocol.core.impl.wireformat.SessionSendLargeMessage.toString(SessionSendLargeMessage.java:73)
	at java.lang.String.valueOf(String.java:2994) [rt.jar:1.8.0_131]
	at java.lang.StringBuilder.append(StringBuilder.java:131) [rt.jar:1.8.0_131]
	at org.apache.activemq.artemis.core.protocol.core.impl.RemotingConnectionImpl.bufferReceived(RemotingConnectionImpl.java:368)
	at org.apache.activemq.artemis.core.remoting.server.impl.RemotingServiceImpl$DelegatingBufferHandler.bufferReceived(RemotingServiceImpl.java:646)
	at org.apache.activemq.artemis.core.remoting.impl.netty.ActiveMQChannelHandler.channelRead(ActiveMQChannelHandler.java:68)
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362)
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348)
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340)
	at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:310)
	at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:297)
	at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:413)
	at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:265)
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362)
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348)
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340)
	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1359)
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362)
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348)
	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:935)
	at org.xnio.netty.transport.AbstractXnioSocketChannel$ReadListener.handleEvent(AbstractXnioSocketChannel.java:443)
	at org.xnio.netty.transport.AbstractXnioSocketChannel$ReadListener.handleEvent(AbstractXnioSocketChannel.java:379)
	at org.xnio.ChannelListeners.invokeChannelListener(ChannelListeners.java:92) [xnio-api-3.6.1.Final.jar:3.6.1.Final]
	at org.xnio.conduits.ReadReadyHandler$ChannelListenerHandler.readReady(ReadReadyHandler.java:66) [xnio-api-3.6.1.Final.jar:3.6.1.Final]
	at org.xnio.nio.NioSocketConduit.handleReady(NioSocketConduit.java:89) [xnio-nio-3.6.1.Final.jar:3.6.1.Final]
	at org.xnio.nio.WorkerThread.run(WorkerThread.java:591) [xnio-nio-3.6.1.Final.jar:3.6.1.Final]