Detailed record of steps to configure web server (many references)

Alibaba cloud JAVAWEB Deployment environment configuration

The configuration document

1. java and tomcat Environment configuration of

Pay special attention here （1） Set the security group rules of Alibaba cloud server 8080/8080, There is a delay of several minutes after restart .（2） stay linux Chinese envoy 、 use firewall-cmd --state View firewall status , Make sure you are running, And use firewall-cmd --permanent --add-port=8080/tcp open 8080 port
This article Finally, it introduces the deployed web page tomcat route , If you don't want to see it, I excerpted the main steps as follows ：

modify xxx/tomcat/apache-tomcat-9.0.33/conf/ Under the server.xml:

1. modify host Node name For your cloud server domain name , Such as www.example.com
2. stay host Add a node under the node
   <Context path="" docBase="webhelloworld_war" reloadable="true"/>
   among webhelloworld_war This is yours war Package name of the package , That's the name of your project
3. Well, after modifying the configuration file, there's another important thing to remember , It's just a restart Tomcat use xshell Get into /usr/java/tomcat/apache-tomcat-8.5.20/bin/ perform ./shutdown.sh
   And then execute ./startup.sh

If you stop Tomcat Stop failure occurs when , Tips java.net.ConnectException: Connection refused SEVERE: Could not contact localhost:8005. Tomcat may not be running. Report errors , as a result of Tomcat The memory of is too small , You need to set up virtual memory ,

Below are modify /opt/tomcat/bin/catalina.sh This file , stay
# OS specific support. $var _must_ be set to either true or false.
cygwin=false
Insert a line between these two lines :
JAVA_OPTS="-Xms512m -Xmx1024m -Xss2048K -XX:PermSize=256m -XX:MaxPermSize=512m"
preservation , restart tomcat that will do .

2.java Project war pack

The path to visit the website is http://( Host number ) or ( domain name .com):8080/ Package name / In the package path html File path