* using artemis-1.1.0 standalone works out-of-the-box: it has by default
support for MQTT in the config, and it works if I connect using an
MQTT-client
* using Wildfly-11.0.0.CR1:
2017-09-26 17:12:25,837 WARNING [io.netty.channel.DefaultChannelPipeline]
(Thread-2 (activemq-netty-threads)) 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.NoSuchFieldError:
INSTANCE
at
io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:442)
at
io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:248)
at
org.apache.activemq.artemis.core.protocol.ProtocolHandler$ProtocolDecoder.channelRead(ProtocolHandler.java:128)
at
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362)
at
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348)
at
io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340)
at
io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1334)
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:926)
at
io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:134)
at
io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:624)
at
io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:559)
at
io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:476)
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:438)
at
io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.NoSuchFieldError: INSTANCE
at
org.apache.activemq.artemis.core.protocol.mqtt.MQTTProtocolManager.addChannelHandlers(MQTTProtocolManager.java:113)
at
org.apache.activemq.artemis.core.protocol.ProtocolHandler$ProtocolDecoder.decode(ProtocolHandler.java:181)
at
io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:411)
... 16 more
So it seems that it is in fact a problem in Wildfly.
Any idea where I could find the code for the artemis-integration in wildly?
I don't find any branch/tag on
https://github.com/apache/activemq-artemis/tree/1.x/artemis-protocols/artemis-mqtt-protocol
for "artemis-mqtt-protocol-1.1.0.wildfly-017"
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