img라는 것이 자바클래스입니까?
아니라면 설정 혹은 호출방법이 잘못되어 있을 수 있습니다.

Xwindow내용은 DISPLAY 0.0으로 설정된 X Server로 연결이 
불가능하다는 내용이네요. 사용하고 계신 console이 XTERM과 같은
클라이언트가 돌아갈 수 있는 환경입까? 만약 PC에서 PC용 XServer를
설치하고 SUN으로 접속해서 테스트한다면 DISPLAY 변수를 
PC의 IP:0.0식으로 바꾸고 사용해야 될 것 같습니다.


--장우창 님의 글 [2003-03-10 21:45:22]
>서블릿으로 그래프를 그렸습니다 GifEncoder 클래스를 이용해서 이미지로 처리한 후
화면에 뿌리는 로직을 구현했는데 Window 환경에선 잘 보이던 그래프가
Unix 서버에서 실행하니 아래와 같은 에러가 납니다.
Unix 는 초보라 저 에러가 무엇을 의미하는지 잘 모르겠군요
도움 부탁드립니다 .. 꾸벅 ..
아참 .. 유닉스에는 xwindow 가 설치되어 있습니다.



<   레진의 logs 폴더안에 error.log 화일내용   >

[2003/03/11 11:40:28] Class `img was not found in classpath.
Classes normally belong in /WEB-INF/classes.
javax.servlet.ServletException: Class `img was not found in classpath.
Classes normally belong in /WEB-INF/classes.


<  화면에 보여지는 서블릿 에러 내용  >

java.lang.InternalError: Cant connect to X11 window server using :0.0
as the value of the DISPLAY variable.
at sun.awt.X11GraphicsEnvironment.initDisplay(Native Method)
at sun.awt.X11GraphicsEnvironment.(X11GraphicsEnvironment.java:77)
at java.lang.Class.forName1(Native Method)
at java.lang.Class.forName(Class.java:142)
at java.awt.GraphicsEnvironment.getLocalGraphicsEnvironment(GraphicsEnvironment.java:72)
at java.awt.image.BufferedImage.createGraphics(BufferedImage.java:1033)
at graph.LineChart_Svl.drawLineChart(LineChart_Svl.java:25)
at graph.LineChart_Svl.doGet(LineChart_Svl.java:144)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:126)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:103)
at com.caucho.server.http.FilterChainServlet.doFilter(FilterChainServlet.java:96)
at com.caucho.server.http.Invocation.service(Invocation.java:315)
at com.caucho.server.http.CacheInvocation.service(CacheInvocation.java:135)
at com.caucho.server.http.HttpRequest.handleRequest(HttpRequest.java:246)
at com.caucho.server.http.HttpRequest.handleConnection(HttpRequest.java:163)
at com.caucho.server.TcpConnection.run(TcpConnection.java:139)
at java.lang.Thread.run(Thread.java:512)


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Resin 2.1.7 (built Fri Feb 14 12:48:13 PST 2003)