编译源码出错：
===> No entry for profile default in config. ===> Verifying dependencies... ===> Compiling jwerl make[2]: Leaving directory `/home/emq2.3.10/deps/jwerl' make[1]: Leaving directory `/home/emq2.3.10/deps/emq_auth_jwt' ===> Starting relx build process ... ===> Resolving OTP Applications from directories: /home/emq2.3.10/deps /usr/local/lib/erlang/lib /home/emq2.3.10/apps /home/emq2.3.10/_rel ===> Failed to solve release: Dependency luerl is specified as a dependency but is not reachable by the system. make: *** [relx-rel] Error 127
原因是deps/luerl/ebin 下面缺少 luerl.app文件
