错误事件：在Linux虚拟机启动打包好的dubbo服务，久久未启动
查看log文件报错显示JVM内存不足
Java HotSpot™ 64-Bit Server VM warning: INFO: os::commit_memory(0x00000006fff80000, 2863661056, 0) failed; error=’Cannot allocate memory’ (errno=12)
There is insufficient memory for the Java Runtime Environment to continue. # Native memory allocation (malloc) failed to allocate 2863661056 bytes for committing reserved memory. # An error report file with more information is saved as: # /home/raini/IdeaProjects/spark_mllib/hs_err_pid19206.log
解决：增加虚拟机内存，由1G扩展到2G重新启动服务，成功执行
