tomcat报错：java.net.SocketException: Permission denied[http-nio-80]

tomcat报错：java.net.SocketException: Permission denied["http-nio-80"]


问题：使用非root账户tomcat启动tomcat报错：


19-Sep-2016 15:08:27.168 INFO [main] org.apache.coyote.AbstractProtocol.init Initializing ProtocolHandler ["http-nio-80"]
19-Sep-2016 15:08:27.179 SEVERE [main] org.apache.coyote.AbstractProtocol.init Failed to initialize end point associated with ProtocolHandler ["http-nio-80"]
 java.net.SocketException: Permission denied
        at sun.nio.ch.Net.bind0(Native Method)
        at sun.nio.ch.Net.bind(Net.java:433)
        at sun.nio.ch.Net.bind(Net.java:425)
        at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:223)
        at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:74)
        at org.apache.tomcat.util.net.NioEndpoint.bind(NioEndpoint.java:339)
        at org.apache.tomcat.util.net