root@yusion-VirtualBox:~/docker-rocketmq# docker logs 73ac9d73d8d4

-server -Xms1490M -Xmx1490M -Xmn200M -XX:+UseG1GC -XX:G1HeapRegionSize=16m -XX:G1ReservePercent=25 -XX:InitiatingHeapOccupancyPercent=30 -XX:SoftRefLRUPolicyMSPerMB=0 -XX:SurvivorRatio=8 -verbose:gc -Xloggc:/dev/shm/mq_gc_%p.log -XX:+PrintGCDetails -XX:+PrintGCDateStamps -XX:+PrintGCApplicationStoppedTime -XX:+PrintAdaptiveSizePolicy -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=5 -XX:GCLogFileSize=30m -XX:-OmitStackTraceInFastThrow -XX:+AlwaysPreTouch -XX:MaxDirectMemorySize=1490M -XX:-UseLargePages -XX:-UseBiasedLocking -Djava.ext.dirs=/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.222.b10-0.el7_6.x86_64/jre/lib/ext:/home/rocketmq/rocketmq-4.5.2/bin/…/lib -server -Xms256m -Xmx256m -Xmn256m -cp .:/home/rocketmq/rocketmq-4.5.2/bin/…/conf:
java.io.FileNotFoundException: /etc/rocketmq/broker.conf (Permission denied)
at java.io.FileInputStream.open0(Native Method)
at java.io.FileInputStream.open(FileInputStream.java:195)
at java.io.FileInputStream.(FileInputStream.java:138)
at java.io.FileInputStream.(FileInputStream.java:93)
at org.apache.rocketmq.broker.BrokerStartup.createBrokerController(BrokerStartup.java:128)
at org.apache.rocketmq.broker.BrokerStartup.main(BrokerStartup.java:58)

如上所示，一直启不来，一启动的状态就是：Exited (255) About a minute ago