是在哪个文件里设?
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#java environment variable settings
JAVA_HOME=/var/fcb/software/jdk_1.4.2
export JAVA_HOME
CLASSPATH=$JAVA_HOME/lib:$JAVA_HOME/jre/lib
export CLASSPATH
保存退出就好
你可以通过echo $JAVA_HOME查看是否配置上了。
PATH=$PATH:/usr/java/j2sdk1.4.2_04/jre/bin:/usr/java/j2sdk1.4.2_04/bin
Java_HOME=/usr/java/j2sdk1.4.2_04
export Java_HOME
JRE_HOME=/usr/java/j2sdk1.4.2_04/jre
export JRE_HOME
CLASSPATH=/usr/java/j2sdk1.4.2_04/lib:/usr/java/j2sdk1.4.2_04/jre/lib
export CLASSPATH
export CATALINA_HOME=/opt/apache-tomcat-6.0.1/
ncowboy@geisha:~>
# /etc/profile: system-wide .profile file for the Bourne shell (sh(1))
# and Bourne compatible shells (bash(1), ksh(1), ash(1), ...).CATALINA_BASE=/root/apache-tomcat-6.0.2
CATALINA_HOME=/root/apache-tomcat-6.0.2
PATH=$PATH:$CATALINA_HOME/bin
export CATALINA_BASE CATALINA_HOME PATHif [ "`id -u`" -eq 0 ]; then
PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/bin/X11"
else
PATH="/usr/local/bin:/usr/bin:/bin:/usr/bin/X11:/usr/games"
fiif [ "$PS1" ]; then
if [ "$BASH" ]; then
PS1='\u@\h:\w\$ '
else
if [ "`id -u`" -eq 0 ]; then
PS1='# '
else
PS1='$ '
fi
fi
fiexport PATHJava_HOME=/root/jdk1.5
export Java_HOME
JRE_HOME=Java_HOME/jre
export JRE_HOME
CLASSPATH=Java_HOME/lib;Java_HOME/jre/lib;/root/apache-tomcat-6.0.2/lib/servlet-api.jar;.
export CLASSPATHumask 022----------------------------------------------------------------
编译出错
----------------------------------------------------------------
:~/apache-tomcat-6.0.2/webapps/sbd/manage_sys# javac LoginSys.java
LoginSys.java:6: 软件包 javax.servlet 不存在
import javax.servlet.ServletException;
^
LoginSys.java:7: 软件包 javax.servlet.http 不存在
import javax.servlet.http.HttpServlet;
^
LoginSys.java:8: 软件包 javax.servlet.http 不存在
import javax.servlet.http.HttpServletRequest;
^
LoginSys.java:9: 软件包 javax.servlet.http 不存在
import javax.servlet.http.HttpServletResponse;
^
LoginSys.java:11: 找不到符号
符号: 类 HttpServlet
public class LoginSys extends HttpServlet {
^
LoginSys.java:38: 找不到符号
符号: 类 HttpServletRequest
位置: 类 sbd.LoginSys
public void doGet(HttpServletRequest request, HttpServletResponse response)
^
LoginSys.java:38: 找不到符号
符号: 类 HttpServletResponse
位置: 类 sbd.LoginSys
public void doGet(HttpServletRequest request, HttpServletResponse response)
^
LoginSys.java:39: 找不到符号
符号: 类 ServletException
位置: 类 sbd.LoginSys
throws ServletException, IOException {
^
LoginSys.java:67: 找不到符号
符号: 类 HttpServletRequest
位置: 类 sbd.LoginSys
public void doPost(HttpServletRequest request, HttpServletResponse response)
^
LoginSys.java:67: 找不到符号
符号: 类 HttpServletResponse
位置: 类 sbd.LoginSys
public void doPost(HttpServletRequest request, HttpServletResponse response)
^
LoginSys.java:68: 找不到符号
符号: 类 ServletException
位置: 类 sbd.LoginSys
throws ServletException, IOException {
^
LoginSys.java:91: 找不到符号
符号: 类 ServletException
位置: 类 sbd.LoginSys
public void init() throws ServletException {
^
LoginSys.java:24: 找不到符号
符号: 变量 super
位置: 类 sbd.LoginSys
super.destroy(); // Just puts "destroy" string in log
^
LoginSys.java:49: 找不到符号
符号: 方法 getClass()
位置: 类 sbd.LoginSys
out.print(this.getClass());
^
LoginSys.java:78: 找不到符号
符号: 方法 getClass()
位置: 类 sbd.LoginSys
out.print(this.getClass());
^
15 错误
package sbd;import java.io.IOException;import java.io.PrintWriter;import javax.servlet.ServletException;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;public class LoginSys extends HttpServlet { /** * Constructor of the object. */ public LoginSys() { super(); } /** * Destruction of the servlet. <br> */ public void destroy() { super.destroy(); // Just puts "destroy" string in log // Put your code here } /** * The doGet method of the servlet. <br> * * This method is called when a form has its tag value method equals to get. * * @param request the request send by the client to the server * @param response the response send by the server to the client * @throws ServletException if an error occurred * @throws IOException if an error occurred */ public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html"); PrintWriter out = response.getWriter(); out .println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">"); out.println("<HTML>"); out.println(" <HEAD><TITLE>A Servlet</TITLE></HEAD>"); out.println(" <BODY>"); out.print(" This is "); out.print(this.getClass()); out.println(", using the GET method"); out.println(" </BODY>"); out.println("</HTML>"); out.flush(); out.close(); } /** * The doPost method of the servlet. <br> * * This method is called when a form has its tag value method equals to post. * * @param request the request send by the client to the server * @param response the response send by the server to the client * @throws ServletException if an error occurred * @throws IOException if an error occurred */ public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html"); PrintWriter out = response.getWriter(); out.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");
String Name=request.getParameter("Name"); out.println("<HTML>"); out.println(" <HEAD><TITLE>A Servlet</TITLE></HEAD>"); out.println(" <BODY>"); out.print(" This is "+Name); out.print(this.getClass()); out.println(", using the POST method"); out.println(" </BODY>"); out.println("</HTML>"); out.flush(); out.close(); } /** * Initialization of the servlet. <br> * * @throws ServletException if an error occure */ public void init() throws ServletException { // Put your code here }}
PATH=$PATH:/root/jdk1.5/jre/bin:/root/jdk1.5/bin
Java_HOME=/root/jdk1.5
export Java_HOME
JRE_HOME=/root/jdk1.5/jre
export JRE_HOME
CLASSPATH=/root/jdk1.5/lib:/root/jdk1.5/jre/lib:/root/apache-tomcat-6.0.2/lib
export CLASSPATH但还是不能编译servelt文件。-------------------------------------------------------
我的ect/profile文件:# /etc/profile: system-wide .profile file for the Bourne shell (sh(1))
# and Bourne compatible shells (bash(1), ksh(1), ash(1), ...).CATALINA_BASE=/root/apache-tomcat-6.0.2
CATALINA_HOME=/root/apache-tomcat-6.0.2
PATH=$PATH:$CATALINA_HOME/bin
export CATALINA_BASE CATALINA_HOME PATHif [ "`id -u`" -eq 0 ]; then
PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/bin/X11"
else
PATH="/usr/local/bin:/usr/bin:/bin:/usr/bin/X11:/usr/games"
fiif [ "$PS1" ]; then
if [ "$BASH" ]; then
PS1='\u@\h:\w\$ '
else
if [ "`id -u`" -eq 0 ]; then
PS1='# '
else
PS1='$ '
fi
fi
fiexport PATHPATH=$PATH:/root/jdk1.5/jre/bin:/root/jdk1.5/bin
Java_HOME=/root/jdk1.5
export Java_HOME
JRE_HOME=/root/jdk1.5/jre
export JRE_HOME
CLASSPATH=/root/jdk1.5/lib:/root/jdk1.5/jre/lib:/root/apache-tomcat-6.0.2/lib
export CLASSPATHumask 022
CLASSPATH=/root/apache-tomcat-6.0.2/lib/servlet-api.jar
export CLASSPATH
然后在命令行中:echo $CLASSPATH
没有任何显示但我在命令行中输入:~# export CLASSPATH=/root/apache-tomcat-6.0.2/lib/servlet-api.jar
然后export CLASSPATH
就会出现:/root/apache-tomcat-6.0.2/lib/servlet-api.jar这是怎么回事?
我的tomcat是6.0.2版
如果我的服务器仅是用来做服务器,的,有时没登陆怎样启动tomcat?
在rc.local中写export是不行的。