Tomcat 80端口启动 必须是root

    <!-- A "Connector" represents an endpoint by which requests are received
         and responses are returned. Documentation at :
         Java HTTP Connector: /docs/config/http.html (blocking & non-blocking)
         Java AJP  Connector: /docs/config/ajp.html
         APR (HTTP/AJP) Connector: /docs/apr.html
         Define a non-SSL HTTP/1.1 Connector on port 80
    -->
    <Connector port="80" protocol="HTTP/1.1"
               connectionTimeout="20000"
               redirectPort="8446" />
    <!-- A "Connector" using the shared thread pool-->
    <!--





v-lhb-app01:/root# ps -ef | grep java
tomcat   22994     1  3 12:38 pts/2    00:00:36 /usr/java/jdk1.8.0_20/bin/java -Djava.util.logging.config.file=/usr/local/apache-tomcat-7.0.55_8083/conf/logging.properties -

Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager -Djava.endorsed.dirs=/usr/local/apache-tomcat-7.0.55_8083/endorsed -classpath /usr/local/apache-tomcat-

7.0.55_8083/bin/bootstrap.jar:/usr/local/apache-tomcat-7.0.55_8083/bin/tomcat-juli.jar -Dcatalina.base=/usr/local/apache-tomcat-7.0.55_8083 -Dcatalina.home=/usr/local/apache-tomcat-7.0.55_8083 -

Djava.io.tmpdir=/usr/local/apache-tomcat-7.0.55_8083/temp org.apache.catalina.startup.Bootstrap start
root     23142 23091  0 12:55 pts/3    00:00:00 grep java
v-lhb-app01:/root# netstat -nap | grep java
tcp        0      0 :::8012                     :::*                        LISTEN      22994/java          
tcp        0      0 ::ffff:127.0.0.1:8008       :::*                        LISTEN      22994/java          
unix  2      [ ]         STREAM     CONNECTED     3821400 22994/java       


换成80端口 只有root启动才有用:

v-lhb-app01:/root# netstat -nap | grep java
tcp        0      0 :::8012                     :::*                        LISTEN      23275/java          
tcp        0      0 :::80                       :::*                        LISTEN      23275/java          
unix  2      [ ]         STREAM     CONNECTED     3827224 23275/java  

http://192.168.32.113/ 访问正常