Problems with encoded parenthesis in URL of BSP application

Hi,
our BSP application has following url:
http://sap-host/sap/bc/bsp/sap/zapp/index.html
After login we addionaly get a parentheses-part in the url (url mangling):
http://sap-host/sap(bD4JHFSIBSF==)/bc/bsp/sap/zapp/index.html
Everything works fine as far as we access the sap-host dircetly. When we want to access over Websphere-Portal with a proxy-servlet (reverse-proxy), the login is correct and after login we get an error 404 (not found). This happens because the proxy encodes the parentheses in the url with %28 and %29. Another problem is, that i have no chance to change the proxy-configuration, because it´s not in my responsibility.
Is there any possibility to get the icm/icf work with these encoded parenthesis?
I didn´t find anything helpful in the sdn/forums/wiki...
Thx a lot!

Hi,
You have to manage the URL mangling when using reverse proxies.
For exemple with Apache as a reverse proxy you need this kind of rewrite rule :
RewriteRule ^/(sap\(.*) https://internalHost:internalPort/$1 [P,L]
If you have no chance of changing the proxy configuration, you are in trouble...
Good luck !
Olivier

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* This is a basic wrapper around the sun.net.ftp.FtpClient
* class, which is an undocumented class which is included
* with Sun Java that allows you to make FTP connections
* and file transfers.
* <p>
* Program version 1.0. Author Julian Robichaux, http://www.nsftools.com
* @author Julian Robichaux ( http://www.nsftools.com )
* @author Jpuerta (modified by)
* @version 1.0
public class SunFtpWrapper extends FtpClient {
     * Methods you might use from the base FtpClient class
     * // set the transfer type to ascii
     * public void ascii()
     * // set the transfer type to binary
     * public void binary()
     *// change to the specified directory
     * public void cd(String remoteDirectory)
     * // download the specified file from the FTP server
     * public TelnetInputStream get(String filename)
import java.io.BufferedInputStream;
import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Vector;
import java.util.ResourceBundle;
import java.util.regex.Pattern;
import java.util.zip.GZIPInputStream;
import org.apache.log4j.Logger;
import org.apache.log4j.PropertyConfigurator;
import com.banesco.lynx.common.SunFtpWrapper;
import com.banesco.lynx.exceptions.FtpManagerException;
import org.apache.log4j.Logger;
import org.apache.log4j.PropertyConfigurator;
public class FtpManager extends SunFtpWrapper{
     ProcessParametersHelper parametersManager=ProcessParametersHelper.newInstance();
     ResourceBundle rb = ResourceBundle.getBundle("com.banesco.lynx.exceptions.lynx_exceptions");
     private Logger logger =null;
     public FtpManager(int i) throws FtpManagerException {
          logger = Logger.getLogger(FtpManager.class);
          PropertyConfigurator.configure(parametersManager.getLog4j_path());
          //0 connect to source server
          //1 connect to destiny server
          if(i==0)
               connectToSourceServer(this);
          else if (i==1)
               connectToDestinyServer(this);
     private void connectToSourceServer(FtpManager ftp)throws FtpManagerException{
          try{
               ftp.openServer(parametersManager.getSourceServerInfo().getIp());
               ftp.login(parametersManager.getSourceServerInfo().getUserName(), parametersManager.getSourceServerInfo                ().getPassword());
          catch (IOException e) {
               //log error
               logger.error("Ha ocurrido un error la descripcion del error es :" + e.getMessage());
               throw new FtpManagerException(Integer.toString(FtpManagerException.CRITICAL),rb.getString                              ("error.ftpmanager.openconnection"));
     private void connectToDestinyServer(FtpManager ftp)throws FtpManagerException{
          try{
               ftp.openServer(parametersManager.getDestinyServerInfo().getIp());
               ftp.login(parametersManager.getDestinyServerInfo().getUserName(), parametersManager.getDestinyServerInfo               ().getPassword());
          catch (IOException e) {
               //log error
               logger.error("Ha ocurrido un error la descripcion del error es :" + e.getMessage());
               throw new FtpManagerException(Integer.toString(FtpManagerException.CRITICAL),rb.getString                              ("error.ftpmanager.openconnection"));
     public ArrayList downloadFileIntoMemory (String path,String serverFile, boolean isZipped) throws FtpManagerException {
          int i = 0;
          InputStreamReader in = null;
          ArrayList response = new ArrayList();
          FtpManager localFtp=null;
          try{
               localFtp=new FtpManager(0);
               localFtp.cd(path);
               //TODO modifico encoding
               // moving file content from ftp server into memory
               if (isZipped)
               { localFtp.binary();
               in = new InputStreamReader(new GZIPInputStream(localFtp.get(serverFile)));
               else
                    localFtp.ascii();
                    in = new InputStreamReader(localFtp.get(serverFile));
               // moving file content from memory into arraylist
               BufferedReader reader = new BufferedReader(in);
               String l = null;
               while ( (l = reader.readLine()) != null)
                    response.add(l);
          catch(IOException e){
               //TODO quitar esto
               e.printStackTrace();
               //log error
               logger.error("Ha ocurrido un error la descripcion del error es :" + e.getMessage());
               throw new FtpManagerException(Integer.toString(FtpManagerException.CRITICAL),rb.getString                    ("error.ftpmanager.downloadfile"));
          catch (FtpManagerException e) {
               //log error
               logger.error("Ha ocurrido un error la descripcion del error es :" + e.getMessage());
               throw new FtpManagerException(Integer.toString(FtpManagerException.CRITICAL),rb.getString                ("error.ftpmanager.downloadfile"));
          finally{
               try{
                    localFtp.disconnect();
               }catch(FtpManagerException e){
                    //log error
                    logger.error("Ha ocurrido un error la descripcion del error es :" + e.getMessage());
                    throw new FtpManagerException(Integer.toString(FtpManagerException.CRITICAL),rb.getString      ("error.ftpmanager.closeconection"));
          return response;

Err.. GZIP files are not text files so why are you trying to read them using Readers?

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