[AMQ7, openwire, nullpointer] Errors occurred during the buffering operation : java.lang.NullPointerException

14:51:24,007 WARN  [org.apache.activemq.artemis.core.server] Errors occurred during the buffering operation : java.lang.NullPointerException
	at org.apache.activemq.artemis.core.protocol.openwire.OpenWireConnection$CommandProcessor.processBeginTransaction(OpenWireConnection.java:1212) [artemis-openwire-protocol-2.0.0.amq-700008-redhat-2.jar:]
	at org.apache.activemq.command.TransactionInfo.visit(TransactionInfo.java:94) [activemq-client-5.11.0.redhat-630262.jar:5.11.0.redhat-630262]
	at org.apache.activemq.artemis.core.protocol.openwire.OpenWireConnection.bufferReceived(OpenWireConnection.java:271) [artemis-openwire-protocol-2.0.0.amq-700008-redhat-2.jar:]
	at org.apache.activemq.artemis.core.remoting.server.impl.RemotingServiceImpl$DelegatingBufferHandler.bufferReceived(RemotingServiceImpl.java:628) [artemis-server-2.0.0.amq-700008-redhat-2.jar:2.0.0.amq-700008-redhat-2]
	at org.apache.activemq.artemis.core.remoting.impl.netty.ActiveMQChannelHandler.channelRead(ActiveMQChannelHandler.java:69) [artemis-core-client-2.0.0.amq-700008-redhat-2.jar:2.0.0.amq-700008-redhat-2]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:372) [netty-all-4.1.5.Final-redhat-1.jar:4.1.5.Final-redhat-1]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:358) [netty-all-4.1.5.Final-redhat-1.jar:4.1.5.Final-redhat-1]
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:350) [netty-all-4.1.5.Final-redhat-1.jar:4.1.5.Final-redhat-1]
	at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:293) [netty-all-4.1.5.Final-redhat-1.jar:4.1.5.Final-redhat-1]
	at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:280) [netty-all-4.1.5.Final-redhat-1.jar:4.1.5.Final-redhat-1]
	at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:396) [netty-all-4.1.5.Final-redhat-1.jar:4.1.5.Final-redhat-1]
	at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:248) [netty-all-4.1.5.Final-redhat-1.jar:4.1.5.Final-redhat-1]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:372) [netty-all-4.1.5.Final-redhat-1.jar:4.1.5.Final-redhat-1]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:358) [netty-all-4.1.5.Final-redhat-1.jar:4.1.5.Final-redhat-1]
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:350) [netty-all-4.1.5.Final-redhat-1.jar:4.1.5.Final-redhat-1]
	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1334) [netty-all-4.1.5.Final-redhat-1.jar:4.1.5.Final-redhat-1]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:372) [netty-all-4.1.5.Final-redhat-1.jar:4.1.5.Final-redhat-1]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:358) [netty-all-4.1.5.Final-redhat-1.jar:4.1.5.Final-redhat-1]
	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:926) [netty-all-4.1.5.Final-redhat-1.jar:4.1.5.Final-redhat-1]
	at io.netty.channel.epoll.AbstractEpollStreamChannel$EpollStreamUnsafe.epollInReady(AbstractEpollStreamChannel.java:972) [netty-all-4.1.5.Final-redhat-1.jar:4.1.5.Final-redhat-1]
	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:386) [netty-all-4.1.5.Final-redhat-1.jar:4.1.5.Final-redhat-1]
	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:302) [netty-all-4.1.5.Final-redhat-1.jar:4.1.5.Final-redhat-1]
	at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:873) [netty-all-4.1.5.Final-redhat-1.jar:4.1.5.Final-redhat-1]
	at java.lang.Thread.run(Thread.java:748) [rt.jar:1.8.0_144]