I have already added jar file in WEB-INF/lib folder.I am using Eclipse
plugin for GWT. Can you clearify what exactly you mean by keeping them
"on the server"?
On Jul 19, 4:33 am, mdwarne <mike.wa...@gmail.com> wrote:
> Make sure your jars are in your webapp WEB-INF/lib folder on the
> server..
> Mike.
>
> On Jul 16, 12:29 am, rajan kochhar <rajan_kochhar2...@yahoo.com>
> wrote:
>
>
>
> > I want to read the contents of a file "a.xls" i have kept in war. I am
> > creating a servlet as follows:
>
> > import java.io.*;
>
> > import javax.servlet.http.HttpServlet;
> > import javax.servlet.http.HttpServletRequest;
> > import javax.servlet.http.HttpServletResponse;
>
> > import com.cummins.lms.shared.Streams;
>
> > import jxl.Sheet;
> > import jxl.Workbook;
> > import jxl.read.biff.BiffException;
>
> > publicclassExcelUtility extends HttpServlet{
> > public void doGet(HttpServletRequest request, HttpServletResponse
> > response)
> > {
> > try {
> > FileInputStream is = new FileInputStream("a.xls");
> > Workbook workBook = Workbook.getWorkbook(is);
> > Sheet sheet = workBook.getSheet(0);
> > System.out.println(workBook.getNumberOfSheets());
> > } catch (Exceptione) {
> > // TODO Auto-generated catch block
> > e.printStackTrace();
> > }
>
> > }
>
> > }
>
> > On calling the servlet,it gives anexception:
>
> > com.google.apphosting.utils.jetty.JettyLogger warn
> > WARNING: Error for /excel
> > java.lang.NoClassDefFoundError: jxl/Workbook
> > at com.cummins.lms.server.ExcelUtility.doGet(ExcelUtility.java:27)
> > at javax.servlet.http.HttpServlet.service(HttpServlet.java:693)
> > at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> > at
> > org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:
> > 511)
> > at org.mortbay.jetty.servlet.ServletHandler
> > $CachedChain.doFilter(ServletHandler.java:1166)
> > at
> > com.google.appengine.api.blobstore.dev.ServeBlobFilter.doFilter(ServeBlobFi
> > lter.java:
> > 51)
> > at org.mortbay.jetty.servlet.ServletHandler
> > $CachedChain.doFilter(ServletHandler.java:1157)
> > at
> > com.google.apphosting.utils.servlet.TransactionCleanupFilter.doFilter(Trans
> > actionCleanupFilter.java:
> > 43)
> > at org.mortbay.jetty.servlet.ServletHandler
> > $CachedChain.doFilter(ServletHandler.java:1157)
> > at
> > com.google.appengine.tools.development.StaticFileFilter.doFilter(StaticFile
> > Filter.java:
> > 122)
> > at org.mortbay.jetty.servlet.ServletHandler
> > $CachedChain.doFilter(ServletHandler.java:1157)
> > at
> > org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:
> > 388)
> > at
> > org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:
> > 216)
> > at
> > org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:
> > 182)
> > at
> > org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:
> > 765)
> > at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:
> > 418)
> > at
> > com.google.apphosting.utils.jetty.DevAppEngineWebAppContext.handle(DevAppEn
> > gineWebAppContext.java:
> > 70)
> > at
> > org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:
> > 152)
> > at com.google.appengine.tools.development.JettyContainerService
> > $ApiProxyHandler.handle(JettyContainerService.java:349)
> > at
> > org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:
> > 152)
> > at org.mortbay.jetty.Server.handle(Server.java:326)
> > at
> > org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:
> > 542)
> > at org.mortbay.jetty.HttpConnection
> > $RequestHandler.headerComplete(HttpConnection.java:923)
> > at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:547)
> > at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212)
> > at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
> > at
> > org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:
> > 409)
> > at org.mortbay.thread.QueuedThreadPool
> > $PoolThread.run(QueuedThreadPool.java:582)
>
> > What am i doing wrong.Any alternative approach for reading an excel
> > file or any other help will do.
>
> > Thanks
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