Hi,
I follow http://rocketmq.apache.org/docs/quick-start/ to setup RocketMQ and test message sending. Environment: # cat /etc/redhat-release Red Hat Enterprise Linux Server release 7.4 (Maipo) # java -version java version "1.8.0_65" Java(TM) SE Runtime Environment (build 1.8.0_65-b17) Java HotSpot(TM) 64-Bit Server VM (build 25.65-b01, mixed mode) RocketMQ Version: 4.2.0 1. Create Topic # bin/mqadmin updateTopic -b localhost:10911 -c DefaultCluster -n 172.24.150.158:9876 -t TopicTest # bin/mqadmin topicRoute -t TopicTest -n 172.24.150.158:9876 Java HotSpot(TM) 64-Bit Server VM warning: ignoring option PermSize=128m; support was removed in 8.0 Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize=128m; support was removed in 8.0 { "brokerDatas":[ { "brokerAddrs":{0:"172.24.150.159:10911" }, "brokerName":"i-B6712B6C", "cluster":"DefaultCluster" } ], "filterServerTable":{}, "queueDatas":[ { "brokerName":"i-B6712B6C", "perm":6, "readQueueNums":8, "topicSynFlag":0, "writeQueueNums":8 } ] } 2. try send message, told no route info # sh bin/tools.sh org.apache.rocketmq.example.quickstart.Producer Java HotSpot(TM) 64-Bit Server VM warning: ignoring option PermSize=128m; support was removed in 8.0 Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize=128m; support was removed in 8.0 15:14:34.726 [main] DEBUG i.n.u.i.l.InternalLoggerFactory - Using SLF4J as the default logging framework 15:14:34.733 [main] DEBUG i.n.c.MultithreadEventLoopGroup - -Dio.netty.eventLoopThreads: 4 15:14:34.745 [main] DEBUG i.n.util.internal.PlatformDependent0 - java.nio.Buffer.address: available 15:14:34.746 [main] DEBUG i.n.util.internal.PlatformDependent0 - sun.misc.Unsafe.theUnsafe: available 15:14:34.747 [main] DEBUG i.n.util.internal.PlatformDependent0 - sun.misc.Unsafe.copyMemory: available 15:14:34.747 [main] DEBUG i.n.util.internal.PlatformDependent0 - direct buffer constructor: available 15:14:34.748 [main] DEBUG i.n.util.internal.PlatformDependent0 - java.nio.Bits.unaligned: available, true 15:14:34.748 [main] DEBUG i.n.util.internal.PlatformDependent0 - java.nio.DirectByteBuffer.<init>(long, int): available 15:14:34.749 [main] DEBUG io.netty.util.internal.Cleaner0 - java.nio.ByteBuffer.cleaner(): available 15:14:34.749 [main] DEBUG i.n.util.internal.PlatformDependent - Java version: 8 15:14:34.750 [main] DEBUG i.n.util.internal.PlatformDependent - -Dio.netty.noUnsafe: false 15:14:34.750 [main] DEBUG i.n.util.internal.PlatformDependent - sun.misc.Unsafe: available 15:14:34.750 [main] DEBUG i.n.util.internal.PlatformDependent - -Dio.netty.noJavassist: false 15:14:34.837 [main] DEBUG i.n.util.internal.PlatformDependent - Javassist: available 15:14:34.837 [main] DEBUG i.n.util.internal.PlatformDependent - -Dio.netty.tmpdir: /tmp (java.io.tmpdir) 15:14:34.838 [main] DEBUG i.n.util.internal.PlatformDependent - -Dio.netty.bitMode: 64 (sun.arch.data.model) 15:14:34.838 [main] DEBUG i.n.util.internal.PlatformDependent - -Dio.netty.noPreferDirect: false 15:14:34.838 [main] DEBUG i.n.util.internal.PlatformDependent - io.netty.maxDirectMemory: 1040187392 bytes 15:14:34.849 [main] DEBUG io.netty.channel.nio.NioEventLoop - -Dio.netty.noKeySetOptimization: false 15:14:34.850 [main] DEBUG io.netty.channel.nio.NioEventLoop - -Dio.netty.selectorAutoRebuildThreshold: 512 15:14:34.853 [main] DEBUG i.n.util.internal.PlatformDependent - org.jctools-core.MpscChunkedArrayQueue: available org.apache.rocketmq.client.exception.MQClientException: No route info of this topic, TopicTest See http://rocketmq.apache.org/docs/faq/ for further details. at org.apache.rocketmq.client.impl.producer.DefaultMQProducerImpl.sendDefaultImpl(DefaultMQProducerImpl.java:564) at org.apache.rocketmq.client.impl.producer.DefaultMQProducerImpl.send(DefaultMQProducerImpl.java:1069) at org.apache.rocketmq.client.impl.producer.DefaultMQProducerImpl.send(DefaultMQProducerImpl.java:1023) at org.apache.rocketmq.client.producer.DefaultMQProducer.send(DefaultMQProducer.java:214) at org.apache.rocketmq.example.quickstart.Producer.main(Producer.java:67) org.apache.rocketmq.client.exception.MQClientException: No route info of this topic, TopicTest See http://rocketmq.apache.org/docs/faq/ for further details. at org.apache.rocketmq.client.impl.producer.DefaultMQProducerImpl.sendDefaultImpl(DefaultMQProducerImpl.java:564) at org.apache.rocketmq.client.impl.producer.DefaultMQProducerImpl.send(DefaultMQProducerImpl.java:1069) at org.apache.rocketmq.client.impl.producer.DefaultMQProducerImpl.send(DefaultMQProducerImpl.java:1023) at org.apache.rocketmq.client.producer.DefaultMQProducer.send(DefaultMQProducer.java:214) at org.apache.rocketmq.example.quickstart.Producer.main(Producer.java:67)
