[jboss-jira] [JBoss JIRA] (WFLY-9372) NullpointerException in artemis-server-1.1.0.wildfly-017 (and artemis-server-1.5.5.jbossorg-007.jar) when using MQTT

NullpointerException in artemis-server-1.1.0.wildfly-017 (and artemis-server-1.5.5.jbossorg-007.jar) when using MQTT -------------------------------------------------------------------------------------------------------------------- Key: WFLY-9372 URL: https://issues.jboss.org/browse/WFLY-9372 Project: WildFly Issue Type: Bug Components: JMS Affects Versions: 10.1.0.Final, 11.0.0.CR1 Environment: java8 Reporter: Thomas Houtekier Assignee: Jeff Mesnil Attachments: screenshot.png, server.log, standalone-full-ha.xml When connecting a MQTT-client to a wildfly-10.1.0.Final (with embedded artemis 1.1.0), the following NPE is thrown. {code} Sep:12,15:57:48,464 WARNING (:Thread-2 (activemq-netty-threads-345981593):) [io.netty.channel.DefaultChannelPipeline] An exceptionCaught() event was fired, and it reached at the tail of the pipeline. It usually means the last handler in the pipeline did not handle the exception.: io.netty.handler.codec.DecoderException: java.lang.NullPointerException at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:391) [netty-all-4.0.33.Final.jar:4.0.33.Final] at io.netty.handler.codec.ByteToMessageDecoder.channelInactive(ByteToMessageDecoder.java:311) [netty-all-4.0.33.Final.jar:4.0.33.Final] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:218) [netty-all-4.0.33.Final.jar:4.0.33.Final] at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:204) [netty-all-4.0.33.Final.jar:4.0.33.Final] at io.netty.channel.DefaultChannelPipeline.fireChannelInactive(DefaultChannelPipeline.java:828) [netty-all-4.0.33.Final.jar:4.0.33.Final] at io.netty.channel.AbstractChannel$AbstractUnsafe$7.run(AbstractChannel.java:625) [netty-all-4.0.33.Final.jar:4.0.33.Final] at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:358) [netty-all-4.0.33.Final.jar:4.0.33.Final] at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:357) [netty-all-4.0.33.Final.jar:4.0.33.Final] at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:112) [netty-all-4.0.33.Final.jar:4.0.33.Final] at java.lang.Thread.run(Thread.java:745) [rt.jar:1.8.0_112] Caused by: java.lang.NullPointerException at org.apache.activemq.artemis.core.protocol.ProtocolHandler$ProtocolDecoder.decode(ProtocolHandler.java:171) [artemis-server-1.1.0.wildfly-017.jar:] at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:360) [netty-all-4.0.33.Final.jar:4.0.33.Final] ... 9 more {code} for more info, see https://developer.jboss.org/message/976007 Reproducing in straightforward, see 'steps to reproduce'. I'm not sure if this is related to the integration of artemis into wildfly, or to the artemis server itself.