无法在ubuntu中编译servlet
无法在ubuntu中编译servlet
提问于 2010-12-30 18:43:34
我是j2ee的新手。我已经在我的ubuntu 10.04发行版中下载并安装了j2eesdk-1_4_03-linux.bin。然后我尝试在其中编写我的第一个servlet，如下所示：
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class HowdyServlet extends HttpServlet{
public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException{
PrintWriter out = response.getWriter();
response.setContentType("text/html");
out.println("<html>");
out.println("<head><title>howdy</title></head>");
out.println("<body>");
out.println("<center><h1>Howdy</h1></center>");
out.println("</body>");
out.println("</html>");
}
}下面是我在安装后设置的环境变量：
1. J2EE_HOME=/home/vinit/SUNWappserver
2. JAVA_HOME=/home/vinit/SUNWappserver/jdk
3. CLASSPATH=/home/vinit/SUNWappserver/lib现在，我尝试使用以下命令编译servlet
javac HowdyServelet.java但我得到了以下错误：
HowdyServlet.java:2: package javax.servlet does not exist
import javax.servlet.*;
^
HowdyServlet.java:3: package javax.servlet.http does not exist
import javax.servlet.http.*;
^
HowdyServlet.java:5: cannot find symbol
symbol: class HttpServlet
public class HowdyServlet extends HttpServlet{
^
HowdyServlet.java:6: cannot find symbol
symbol : class HttpServletRequest
location: class HowdyServlet
public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException{
^
HowdyServlet.java:6: cannot find symbol
symbol : class HttpServletResponse
location: class HowdyServlet
public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException{
^
HowdyServlet.java:6: cannot find symbol
symbol : class ServletException
location: class HowdyServlet
public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException{
^
6 errors那么如何编译这个servlet呢？提前谢谢。
回答 2
Stack Overflow用户
回答已采纳
发布于 2010-12-30 18:53:44
设置CLASSPATH=/home/vinit/SUNWappserver/lib没有预期的效果；您必须在类路径上单独命名所需的每个JAR。
Stack Overflow用户
发布于 2010-12-30 18:46:24
在将servelet更改为servlet之前，您将无法编译它
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原文链接：
https://stackoverflow.com/questions/4561940
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