Java Web Configuration

@Windows:
JAVA_HOME

        C:\Java\jdk1.7.0_02

CLASSPATH

.;%JAVA_HOME%\lib\dt.jar;%JAVA_HOME%\lib\tools.jar

PATH

%JAVA_HOME%\bin;%JAVA_HOME%\jre\bin

@Linux:
export JAVA_HOME=/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/jre
export CLASSPATH=.:$JAVA_HOME/lib/tools.jar:/lib.dt.jar
export PATH=$JAVA_HOME/bin:$PATH

export JAVA_OPTS="-server -Xmx2048m -XX: MaxNewSize=1024m -XX: MaxPermSize=2048m"
CATALINA_OPTS="-server -Xmx768m -XX:MaxNewSize=512m -XX:MaxPermSize=700m"

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@Linux: OpenJDK + Apache + tomcat
OpenJDK: yum-> openjdk

Apache:  yum install httpd

Tomcat:  apache-tomcat-6.0.26.tar.gz -> untar to /usr/ etc..

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Eclipse+Tomcat

1.New web project
  project-explorer ==> new ->project -> Web-> Dynamic project -> next ->(default) finish

2.
**Add JSP page==> WebContent-->new --> other --> web --> jsp
Example(JSP):
  

   //indicates servlet process method is doPost, jump into page: ./info
3.
**Add servlet ==> [project name]-->new --> other --> web --> servlet --> next(packagename+classname+super,etc.) --> finish --> add codes in doPost()

4.
**Add web.XML ==>WebContent --> WEB-INF --> web.xml --> add codes
Example:
 
    ProcessServlet
    com.example.servlet.ProcessServlet
 
 
    ProcessServlet
    /info//should match along with JSP form action value!
 

5.restart server