新建的网站 采用jfinal-undertow 服务器模式  出现权限问题。

Starting JFinal 3.7 -> http://127.0.0.1:80

Info: jfinal-undertow 1.6, undertow 2.0.19.Final, jvm 10.0.1

WARNING: An illegal reflective access operation has occurred

WARNING: Illegal reflective access by net.sf.cglib.core.ReflectUtils$1 (file:/Users/zhangji/Documents/apache-maven-3.6.0/repostory/cglib/cglib-nodep/3.2.5/cglib-nodep-3.2.5.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int,java.security.ProtectionDomain)

WARNING: Please consider reporting this to the maintainers of net.sf.cglib.core.ReflectUtils$1

WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations

WARNING: All illegal access operations will be denied in a future release

java.lang.RuntimeException: java.net.SocketException: Permission denied

at io.undertow.Undertow.start(Undertow.java:247)

at com.jfinal.server.undertow.UndertowServer.doStart(UndertowServer.java:271)

at com.jfinal.server.undertow.UndertowServer.start(UndertowServer.java:159)

at cn.jbolt.common.config.MainConfig.main(MainConfig.java:179)

Caused by: java.net.SocketException: Permission denied

at java.base/sun.nio.ch.Net.bind0(Native Method)

at java.base/sun.nio.ch.Net.bind(Net.java:433)

at java.base/sun.nio.ch.Net.bind(Net.java:425)

at java.base/sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:225)

at java.base/sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:74)

at org.xnio.nio.NioXnioWorker.createTcpConnectionServer(NioXnioWorker.java:190)

at org.xnio.XnioWorker.createStreamConnectionServer(XnioWorker.java:243)

at io.undertow.Undertow.start(Undertow.java:193)

... 3 more

使用jfinal-jetty就没有问题。

windows系统下没问题，

就是我的mac电脑有问题，mac是最新的mojave系统。

myecplise和ecplise问题相同。

初步判断 和数据库没有关系，也在小木老师指导下对java目录和工作空间 chmod 777操作了，无效。 改为ipv4的参数  -Djava.net.preferIPv4Stack=true 也加过了 好像也没有效果。

请假mac作为开发的用户。