[问题解决]安装rocketmq的时候遇见的问题

问题背景

com.alibaba.rocketmq.client.exception.MQClientException: Send [1] times, still failed, cost [56575]ms, Topic: Name, BrokersSent: [hongwen.local, null, null]
See https://github.com/alibaba/RocketMQ/issues/50 for further details.
    at com.alibaba.rocketmq.client.impl.producer.DefaultMQProducerImpl.sendDefaultImpl(DefaultMQProducerImpl.java:578)
    at com.alibaba.rocketmq.client.impl.producer.DefaultMQProducerImpl.send(DefaultMQProducerImpl.java:1031)
    at com.alibaba.rocketmq.client.impl.producer.DefaultMQProducerImpl.send(DefaultMQProducerImpl.java:1025)
    at com.alibaba.rocketmq.client.producer.DefaultMQProducer.send(DefaultMQProducer.java:95)
    at middleware.rmq.TestProducer.testProducer2(TestProducer.java:43)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)
    at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
    at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)
    at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
    at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
    at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:31)
    at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:73)
    at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:46)
    at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:180)
    at org.junit.runners.ParentRunner.access$000(ParentRunner.java:41)
    at org.junit.runners.ParentRunner$1.evaluate(ParentRunner.java:173)
    at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
    at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:31)
    at org.junit.runners.ParentRunner.run(ParentRunner.java:220)
    at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
    at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:675)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)
Caused by: com.alibaba.rocketmq.client.exception.MQBrokerException: CODE: 14  DESC: service not available now, maybe disk full, CL:  0.91 CQ:  0.91 INDEX:  0.91, maybe your broker machine memory too small.
For more information, please visit the url, https://github.com/alibaba/RocketMQ/issues/48
    at com.alibaba.rocketmq.client.impl.MQClientAPIImpl.processSendResponse(MQClientAPIImpl.java:404)
    at com.alibaba.rocketmq.client.impl.MQClientAPIImpl.sendMessageSync(MQClientAPIImpl.java:308)
    at com.alibaba.rocketmq.client.impl.MQClientAPIImpl.sendMessage(MQClientAPIImpl.java:289)
    at com.alibaba.rocketmq.client.impl.producer.DefaultMQProducerImpl.sendKernelImpl(DefaultMQProducerImpl.java:679)
    at com.alibaba.rocketmq.client.impl.producer.DefaultMQProducerImpl.sendDefaultImpl(DefaultMQProducerImpl.java:500)
    ... 28 more

在mac上安装rocketmq成功，开始发送消息成功，但是如果消费者接收消息，再发送消息的话，就会出现上面的异常。

解决方案
经检查，是机器磁盘空间不足，于是删除了磁盘空间，空出了大概20G，重复运行，发现就OK了。