IDEA-找不到Code Coverage今天做白盒测试的实验，需要代码覆盖率，但是始终找不到在Junit中也找不到CodeCoverage选项卡。查询了之后，才知道是在初始化配置时，在插件那边未选择Coverage 。没准备重装，就去欢迎界面去恢复到默认设置，重新初始化配置，如下图：这次需要在插件中勾选该项，如图：成功显示了代码覆盖率。...

storm的nimbus、Supervisor进程启动后自动关闭在安装配置zookeeper、storm之后，通过下述命令先启动zookeeper，后启动Supervisor、nimbus进程：/usr/local/zookeeper/bin/zkServer.sh start/usr/local/storm/bin/storm supervisor/usr/local/storm/bin/sto

安装zookeeper后启动失败启动失败如下：hadoop@zc-virtual-machine:/usr/local/zookeeper$ ./bin/zkServer.sh startZooKeeper JMX enabled by defaultUsing config: /usr/local/zookeeper/bin/../conf/zoo.cfgStarting zookeeper .