mpj-express - I am getting this error when executing mpjboot on machines

Question

i set MPJ_HOME in the environment variable and when i execute mpjboot machines i get this error

Error: MPJ_HOME environment variable not set!!!

java.lang.Exception: MPJ_HOME environment variable not set!!!

at runtime.daemon.MPJDaemon.<init>(MPJDaemon.java:87)



at runtime.daemon.MPJDaemon.main(MPJDaemon.java:252)

[server] Unable to start MPJ Express daemon

Answer 1

MPJDaemon 类在计算节点上执行，它侦听来自 mpirun 模块的请求（在主机上运行）

请确保在您在机器文件中列出的所有计算节点中设置了 MPJ_HOME 变量