Configure Tomcat with multiple virtual hosts and change webapps directory

conf/server.xml

  <Host name="testvimal.local.com" debug="0" appBase="/Users/vimal-zt58/Downloads/outwebapps" unpackWARs="true">

        <Alias>www.domain1.com</Alias>

             <Valve className="org.apache.catalina.valves.AccessLogValve" directory="logs"

               prefix="localhost_access_log." suffix=".txt"

               pattern="%h %l %u %t &quot;%r&quot; %s %b" />

        </Host>

/etc/hosts

127.0.0.1      testvimal.local.com

Http Cookie

Types of Http Cookie

• Session Cookie - browser close expired. not any expire time
• Persistent Cookie - Max-Age one year 
• Secure Cookie - https only access. encrypt while send client to server
• Http only cookie - only access via http not using javascript or 
• Third party cookie - thrid party site cookie store. browser doesn't allow third part cookie util enable browser setting
• Super cookie - .com super domain cookie. default disable in browser
• Zombie cookie - delete also recreate the cookie from storage

ReactJs

1. ReactJS - Server side Rendering Using Java(jdk1.7)

<%

String output="var value=[]";

ScriptEngineManager sem = new ScriptEngineManager();

ScriptEngine se = sem.getEngineByName("rhino");

// React depends on the "global" variable and console variable

se.eval("var global = this");

se.eval("var console = {}");

se.eval("console.warn = function(){};");

// eval react.js

se.eval(new FileReader("/react-0.12.2.js")); // React Location

se.eval(output); // variable for component props

se.eval(new FileReader("/Component.js")); // React Component location (Component should be converted js file not jsx file)

String render ="React.renderToString(React.createFactory(Component)({props: value}))";

%>

<%=se.eval(render)%> // execute the component get html as a string

JSP File upload without refresh page - AJAX

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