InputStream in = uConnect.getInputStream();//Error
Hi,
It would be kind if anybody could tell me why i am getting :java.io.FileNotFoundException:
on line
InputStream in = uConnect.getInputStream();
I am created a URL object and passing that URL object in a URLConnection object.
String page_to_connect = "http://cd2iis02/inbi/admin/updatestatus.cfm?domain="+s_name+"&requestid="+sreq_id+"&status="+status+"&msg="+ smessage;
URL serverUrl = new URL(page_to_connect);
URLConnection uConnect = serverUrl.openConnection();
uConnect.setDoOutput(true);
uConnect.setUseCaches(false);
PrintStream out = new PrintStream
(uConnect.getOutputStream());
out.close();
//Filenotfound exception is thrown at the below line**
InputStream in = uConnect.getInputStream();
StringBuffer response = new StringBuffer();
int chr;
while((chr=in.read())!=-1) { // this is line number 94
response.append((char)chr);
in.close();
String sResponse = response.toString();
Can anyone tell me why is this exception coming ,Its not finding the file . Is there any way to rectify this error.
Any replies will be appreciated
Thanks
Regards,
John
i don't know if this will help but this is how i did it:
create a URL object out of the base url (i.e. not including the parameters).
get a connection
get the OutputStream
send the parameters through the connection
flush and close the OutputStream
then open the InputSteam.
do whatever....
Similar Messages
-
InputStream in = urlconnection.getInputStream();
Dear All,
I am trying to zip a file in the client side and sending it to the server side machine......there, i am trying to unzip it and writting it over there...for this, i am using a seperate program in the client side and in the server side.................................
In the client program, after opening all the necessary streams and all formalities, i am using the code...
"InputStream in = urlconnection.getInputStream();
while (in.read()!=-1);"
only if i use the above code, the zipped file is transfered to my server machine...but in this case, the link with the server is not getting disconnected...i mean the command prompt remains alive, without stopping...what i inferred is, my control is got into the above said "InputStream in = urlconnection.getInputStream();"...indefinitely...
so i tried of removing the above said statement.....in this case, the zipped file is NOT getting written in my server machine....
what to do???
any suggestions please...waiting for the reply very anxiously, refreshing this site for every 2 minutes....
sakthivel s.
snippet code for ur reference...
Client side
try
ZipOutputStream zipoutputstream = new ZipOutputStream(urlconnection.getOutputStream());
ZipEntry zipentry = new ZipEntry(filename);
zipentry.setMethod(ZipEntry.DEFLATED);
zipoutputstream.putNextEntry(zipentry);
byte bytearray[] = new byte[1024];
File file = new File(filenamedir);
FileInputStream fileinputstream = new FileInputStream(file);
BufferedInputStream bufferedinputstream = new BufferedInputStream(fileinputstream);
int length = 0;
while((length=bufferedinputstream.read(bytearray)) != -1)
zipoutputstream.write(bytearray,0,length);
fileinputstream.close();
bufferedinputstream.close();
zipoutputstream.flush();
zipoutputstream.finish();
zipoutputstream.closeEntry();
zipoutputstream.close();
InputStream in = urlconnection.getInputStream();
while (in.read()!=-1); // the said while loop....................
System.runFinalization();
urlconnection.getInputStream().close();
urlconnection.disconnect();
the way of connecting witht the server : (just a snippet of the code)
URL serverURL = new URL("http://192.168.10.55:8001/servlet/uploadservlet");
HttpURLConnection.setFollowRedirects(true);
urlconnection= (HttpURLConnection)serverURL.openConnection();
urlconnection.setDoOutput(true);
urlconnection.setRequestMethod("POST");
urlconnection.setDoOutput(true);
urlconnection.setDoInput(true);
urlconnection.setUseCaches(false);
urlconnection.setAllowUserInteraction(true);
urlconnection.setRequestProperty("Cookie",cookie);
urlconnection.connect();
Server Side:
javax.servlet.ServletInputStream servletinputstream = httpservletrequest.getInputStream();
ZipInputStream zipinputstream = new ZipInputStream(servletinputstream);
ZipEntry zipentry = null;
String directory="c:\\test"; // the unzipped file should be written to this directory...
try
File file = new File(directory);
if(!file.exists())
file.mkdirs();
catch(Exception exp)
{System.out.println("I am from Server: " + exp);}
try
zipentry = zipinputstream.getNextEntry();
if(zipentry != null)
int slash = zipentry.getName().lastIndexOf(File.separator) + 1;
String filename = zipentry.getName().substring(slash);
File file1 = new File(directory + File.separator + filename);
FileOutputStream fostream = new FileOutputStream(file1);
BufferedOutputStream bufferedoutputstream = new BufferedOutputStream(fostream);
byte abyte0[] = new byte[1024];
for(int index = 0; (index = zipinputstream.read(abyte0)) > 0;)
bufferedoutputstream.write(abyte0, 0, index);
servletinputstream.close();
bufferedoutputstream.flush();
bufferedoutputstream.close();
zipinputstream.closeEntry();
zipinputstream.close();
fostream.flush();
fostream.close();
catch(IOException ioexception)
{System.out.println("IOException occured in the Server: " + ioexception);ioexception.printStackTrace();}
P.S: I am not getting any error in the server side or cleint side...the only problem is, the command prompt(where i am running my cleint program) is getting standing indefinitely...i have to use control-c to come to the command prompt again...this is because of the while looop said in the client machine....if i remove it...the file is not gettting transfered...what to do????snoopybad77 wrote:
I can't, I'm using java.net.URL and java.net.URLConnection....Actually you are using HttpURLConnection.
java.net.URLConnection is an abstract class. The concrete implementation returned by openConnection for an HTTP based URL is HttpURLConnection. So you might want to try the previous suggestion and otherwise examining the methods of HttpURLConnection to see how they might be helpful to you. -
Error in creating a process using runtime class - please help
Hi,
I am experimenting with the following piece of code. I tried to run it in one windows machine and it works fine. But i tried to run it in a different windows machine i get error in creating a process. The error is attached below the code. I don't understand why i couldn't create a process with the 'exec' command in the second machine. Can anyone please help?
CODE:
import java.io.*;
class test{
public static void main(String[] args){
try{
Runtime r = Runtime.getRuntime();
Process p = null;
p= r.exec("dir");
BufferedReader br = new BufferedReader(new InputStreamReader(p.getInputStream()));
System.out.println(br.readLine());
catch(Exception e){e.printStackTrace();}
ERROR (when run in the dos prompt):
java.io.IOException: CreateProcess: dir error=2
at java.lang.Win32Process.create(Native Method)
at java.lang.Win32Process.<init>(Win32Process.java:63)
at java.lang.Runtime.execInternal(Native Method)
at java.lang.Runtime.exec(Runtime.java:550)
at java.lang.Runtime.exec(Runtime.java:416)
at java.lang.Runtime.exec(Runtime.java:358)
at java.lang.Runtime.exec(Runtime.java:322)
at test.main(test.java:16)
thanks,
DivyaAs much as I understand from the readings in the forums, Runtime.exec can only run commands that are in files, not native commands.
Hmm how do I explain that again?
Here:
Assuming a command is an executable program
Under the Windows operating system, many new programmers stumble upon Runtime.exec() when trying to use it for nonexecutable commands like dir and copy. Subsequently, they run into Runtime.exec()'s third pitfall. Listing 4.4 demonstrates exactly that:
Listing 4.4 BadExecWinDir.java
import java.util.*;
import java.io.*;
public class BadExecWinDir
public static void main(String args[])
try
Runtime rt = Runtime.getRuntime();
Process proc = rt.exec("dir");
InputStream stdin = proc.getInputStream();
InputStreamReader isr = new InputStreamReader(stdin);
BufferedReader br = new BufferedReader(isr);
String line = null;
System.out.println("<OUTPUT>");
while ( (line = br.readLine()) != null)
System.out.println(line);
System.out.println("</OUTPUT>");
int exitVal = proc.waitFor();
System.out.println("Process exitValue: " + exitVal);
} catch (Throwable t)
t.printStackTrace();
A run of BadExecWinDir produces:
E:\classes\com\javaworld\jpitfalls\article2>java BadExecWinDir
java.io.IOException: CreateProcess: dir error=2
at java.lang.Win32Process.create(Native Method)
at java.lang.Win32Process.<init>(Unknown Source)
at java.lang.Runtime.execInternal(Native Method)
at java.lang.Runtime.exec(Unknown Source)
at java.lang.Runtime.exec(Unknown Source)
at java.lang.Runtime.exec(Unknown Source)
at java.lang.Runtime.exec(Unknown Source)
at BadExecWinDir.main(BadExecWinDir.java:12)
As stated earlier, the error value of 2 means "file not found," which, in this case, means that the executable named dir.exe could not be found. That's because the directory command is part of the Windows command interpreter and not a separate executable. To run the Windows command interpreter, execute either command.com or cmd.exe, depending on the Windows operating system you use. Listing 4.5 runs a copy of the Windows command interpreter and then executes the user-supplied command (e.g., dir).
Taken from:
http://www.javaworld.com/javaworld/jw-12-2000/jw-1229-traps.html -
Error reading excel file using POI.
Hi ,
I am having some problem when reading the excel file.
While reading excel file I am getting error-java.io.IOException: Unable to read entire block; 4 bytes read; expected 512 bytes.
part of my code:-
InputStream stream = objFormFile.getInputStream();
POIFSFileSystem fs = new POIFSFileSystem(stream);//getting above error here.
HSSFWorkbook wb = new HSSFWorkbook(fs);
Case 1:
I download the file on the system ,save it ,and then directly upload it to the system ,I get the above error .
Case 2:
It works fine if I download the excel and manually open and save it and then upload it .
I am using JDK1.4.1 and poi-2.5.1-final-20040804.jar.
Can any one please help me out for the above problem?
Edited by: hruday on Jul 31, 2008 3:20 AMInstead of using POIFSFileSystem, try to directly create the HSSFWorkbook
InputStream stream = objFormFile.getInputStream();
//POIFSFileSystem fs = new POIFSFileSystem( stream );//getting above error here.
HSSFWorkbook wb = new HSSFWorkbook( stream ); -
WL6.1 + IIS, request.getInputStream is not working. Please help.
I'm running IIS + WL 6.1 and in my servlet code, when I use request.getInputStream(),
it has nothing in the input stream
for e.x.
InputStream istream = request.getInputStream();
BufferedInputStream buf = new BufferedInputStream(istream);
byte[] b = new byte[1024];
while(buf.available()>0){
buf.read(b);
System.out.println("printing:"+b);
buf.available is not greater than zero.
But when I tried with just WL6.1, everything is fine.
I'm using forward path to forward my request.
Please help.
thanks
VijayToo much code to review in depth.
Couple of things that jumped out at me
1 - request.sendRedirect sent at the end. You should do any request forward/redirects as soon as possible in the jsp - before your response gets committed. It is illegal to forward/redirect after a response has been committed. That might explain the errors.
2 - As a suggestion, view source on the page, and save the file as html. Or use the functionality to "save a webpage" to your local computer. Try loading that HTML page in all the browsers. That should help you diagnose is it the HTML code, or is it the JSP side of things that is broken.
hope this helps,
evnafets -
XML SQL Utility error - SQLException Data size bigger than max size for this type
I am trying to insert an XML document the contains the text of new articles into the database and I am receiving this error on large documents. The process flow is as follows:
From a servlet:
1. Query the news server and retrieve an XML document containing the new story.
2. Apply an XSL style sheet to the XML document to transform it into an XML document that matches the news_article table into which the story will be inserted.
3. Call the insertXML method to store the transformed document in the table. The table contains a CLOB.
Here is a sample of the raw XML:
<?xml version="1.0" standalone="yes" ?>
- <body id="s13602">
- <![CDATA[
Feb. 15-MAR--
[B] BRIDGE UPDATE--LIVESTOCK: US hunger for beef must persist amid
placements
Feb 15--2238 GMT/1738 ET
TOP STORIES:
Bridge Survey: US hunger for beef must persist amid big placements
Chicago--Feb 15--The $70.00 price level for slaughter steers has been
considered an indication of good times in cattle country since last fall.
More to follow...
^^^^^^
]]>
</body>
Here is the XSL that is applied:
<?xml version="1.0" ?>
- <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
<xsl:output method="html" />
<xsl:template match="*|/">
<xsl:apply-templates />
</xsl:template>
<xsl:template match="text()|@*">
<xsl:value-of select="." />
</xsl:template>
<xsl:template match="body">
<ROWSET>
<ROW>
<ID />
<SECTION_ORDER>1</SECTION_ORDER>
<SUBTITLE />
<BODY_TEXT>
<xsl:value-of select="." />
</BODY_TEXT>
<STORY_ID>
<xsl:value-of select="@id" />
</STORY_ID>
</ROW>
</ROWSET>
</xsl:template>
</xsl:stylesheet>
The transformed XML looks like:
ROWSET>
<ROW>
<ID></ID>
<SECTION_ORDER>1</SECTION_ORDER>
<SUBTITLE></SUBTITLE>
<BODY_TEXT>
Feb. 15-MAR--
BRIDGE UPDATE--LIVESTOCK: US hunger for beef must persist amid
placements
Feb 15--2238 GMT/1738 ET
TOP STORIES:
Bridge Survey: US hunger for beef must persist amid big placements
Chicago--Feb 15--The $70.00 price level for slaughter steers has been
considered an indication of good times in cattle country since last fall.
More to follow...
^^^^^^</BODY_TEXT>
<STORY_ID>s13602</STORY_ID>
</ROW>
</ROWSET>
The table I am trying to insert into look like:
ID NOT NULL NUMBER(10)
SECTION_ORDER NOT NULL NUMBER(10)
SUBTITLE VARCHAR2(500)
BODY_TEXT CLOB
STORY_ID VARCHAR2(25)
The ID column is null in the XML document and set by a before-insert trigger.
The relevant Java code I am calling all this from looks like:
try
// Setup the output handler
res.setContentType("text/xml");
// Define the URLs for the input source and Stylesheet
URL xmlSource = new URL (xmlUrl);
URL xslSource = new URL (xslUrl);
// Open connection to XML and XSL Sources via URL
URLConnection xmlConnection = xmlSource.openConnection();
xmlConnection.connect();
InputStream xmlInput = xmlConnection.getInputStream();
URLConnection xslConnection = xslSource.openConnection();
xslConnection.connect();
InputStream xslInput = xslConnection.getInputStream();
// Create the parser
DOMParser parser = new DOMParser();
// Initial parser variables
parser.setPreserveWhitespace(true);
// Parse the XML file
parser.parse(xmlInput);
xml = parser.getDocument();
// Create and configure the XSL Stylesheet and XSL Processor
XSLStylesheet xsl = new XSLStylesheet(xslInput, xslSource);
XSLProcessor processor = new XSLProcessor();
processor.showWarnings(false);
processor.setErrorStream(System.out);
// Process the XML document using the stylesheet
XMLDocumentFragment result = processor.processXSL(xsl, xml );
// Create the output document to store results
output = new XMLDocument();
// Load the transformed document into the output document
output.appendChild(result);
Class.forName ("oracle.jdbc.driver.OracleDriver");
//init a JDBC connection
Connection conn =
DriverManager.getConnection("jdbc:oracle:oci8:@ZEUS", "emerge","emerge");
OracleXMLSave sav = new OracleXMLSave(conn, tabName);
int rowCount = sav.insertXML(output);
} catch (Exception err) {
Anyone have any ideas on what I am doing wrong. This works fine on short news articles, but not large ones.
Thanks!
nullSteven,
Thanks for you reply. I have verified that I am using the latest version of Oracle XSQL Servlet, version 0.9.8.6 as well as the OCI8 driver. In doing some additional research I found that I was using the JDBC drivers supplied with OAS 4.0.8 and not the Oracle 8.1.5 JDBC drivers. I have switched my classpath to point to the 8.1.5 drivers and I am now encountering the following error:
ORA-21301: not initialized in object mode
Is this something I need to do in my Servlet code, or should the XSQL Servlet handle that?
Thanks for any help that you can provide. -
I get errors when using tomahawak inputFileUpload component.
Hello everyone. I am a newbie with JSF. I use netbeans 6.1 and apache myfaces and tomahawk libraries. I need to upload a file. I use <t:inputFileUpload /> component of tomahawk but cant put it to work. When i choose the file from the browser and click upload button i get this error on browser.
HTTP Status 500 -
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
javax.servlet.ServletException: java.lang.NoClassDefFoundError: Could not initialize class org.apache.myfaces.shared_tomahawk.config.MyfacesConfig
org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:135)
org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:390)
root cause
java.lang.NoClassDefFoundError: Could not initialize class org.apache.myfaces.shared_tomahawk.config.MyfacesConfig
org.apache.myfaces.renderkit.html.util.AddResourceFactory.getInstance(AddResourceFactory.java:282)
org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:126)
org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:390)
note The full stack trace of the root cause is available in the Apache Tomcat/6.0.16 logs.
Apache Tomcat/6.0.16and my jsp page is below
<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<%@page contentType="text/html"%>
<%@page pageEncoding="UTF-8"%>
<%@taglib prefix="f" uri="http://java.sun.com/jsf/core"%>
<%@taglib prefix="h" uri="http://java.sun.com/jsf/html"%>
<%@ taglib uri="http://myfaces.apache.org/tomahawk" prefix="t" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<%--
This file is an entry point for JavaServer Faces application.
--%>
<f:view>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Endersys License Upload Page</title>
</head>
<body>
<h:form id="uploadForm" enctype="multipart/form-data">
<t:inputFileUpload id="fileUplod" value="#{upload_backing.file}"
storage="file" required="true"/>
<h:message for="fileUpload" />
<h:commandButton value="upload" action="#{upload_backing.upload}" />
<h:outputText value="File Uploaded Succesfully" rendered="#{upload_backing.success}"
style="color:green" />
<h:outputText value="Error: File is not uploaded"
rendered="#{upload_backing.success}" style="color:red" />
</h:form>
</body>
</html>
</f:view>and this is the content of web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
<context-param>
<param-name>com.sun.faces.verifyObjects</param-name>
<param-value>false</param-value>
</context-param>
<context-param>
<param-name>com.sun.faces.validateXml</param-name>
<param-value>true</param-value>
</context-param>
<context-param>
<param-name>javax.faces.STATE_SAVING_METHOD</param-name>
<param-value>client</param-value>
</context-param>
<servlet>
<servlet-name>Faces Servlet</servlet-name>
<servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>Faces Servlet</servlet-name>
<url-pattern>/faces/*</url-pattern>
</servlet-mapping>
<session-config>
<session-timeout>
30
</session-timeout>
</session-config>
<filter>
<filter-name>MyFacesExtensionsFilter</filter-name>
<filter-class>org.apache.myfaces.webapp.filter.ExtensionsFilter</filter-class>
<init-param>
<param-name>maxFileSize</param-name>
<param-value>10m</param-value>
<description>Set the size limit for uploaded files.
Format: 10 - 10 bytes
10k - 10 KB
10m - 10 MB
1g - 1 GB
</description>
</init-param>
<init-param>
<param-name>uploadRepositoryPath</param-name>
<param-value>/tmp</param-value>
</init-param>
</filter>
<!-- extension mapping for adding <script/>, <link/>, and other resource tags to JSF-pages -->
<filter-mapping>
<filter-name>MyFacesExtensionsFilter</filter-name>
<!-- servlet-name must match the name of your javax.faces.webapp.FacesServlet entry -->
<servlet-name>Faces Servlet</servlet-name>
</filter-mapping>
<!-- extension mapping for serving page-independent resources (javascript, stylesheets, images, etc.) -->
<filter-mapping>
<filter-name>MyFacesExtensionsFilter</filter-name>
<url-pattern>/faces/myFacesExtensionResource/*</url-pattern>
</filter-mapping>
</web-app>and the bean i use is here
* To change this template, choose Tools | Templates
* and open the template in the editor.
package bean.backing;
import java.io.*;
import javax.servlet.http.*;
import org.apache.myfaces.custom.fileupload.UploadedFile;
import javax.faces.context.FacesContext;
* @author brhn
public class main {
private UploadedFile file;
boolean success = false;
public main() {}
public UploadedFile getFile() {
return file;
public void setFile(UploadedFile file) {
this.file = file;
public void upload() throws IOException {
try {
InputStream stream = file.getInputStream();
long size = file.getSize();
byte [] buffer = new byte[(int)size];
stream.read( buffer, 0, (int)size );
stream.close();
success = true;
} catch (Exception e) {
success = false;
public boolean isSuccess () {
return success;
}i need to make it work. All helps will be appreciatedThe logs are by default located in Tomcat/logs and configurable by Tomcat/conf/logging.properties.
Having said that, when I google on [java.lang.NoClassDefFoundError: Could not initialize class org.apache.myfaces.shared_tomahawk.config.MyfacesConfig|http://www.google.com/search?q=java.lang.NoClassDefFoundError%3A+Could+not+initialize+class+org.apache.myfaces.shared_tomahawk.config.MyfacesConfig] then I have the impression that you're using Tomahawk 1.1.7 snapshot and there might be a bug in it. Try using Tomahawk 1.1.6 and see if it works. After all, you may have more luck if you post this issue at their own mailinglist at tomahawk.apache.org. -
When using URLConnection read input stream error
hi,
In my applet I build a URLConnection, it connect a jsp file. In my jsp file I refer to a javaBean. I send two objects of request and response in jsp to javaBean. In javabean return output stream to URLConnect. At that time a error happened.WHY???(Applet-JSP-JAVABean)
Thanks.
My main code:
APPLET:(TestApplet)
URL url = new URL("http://210.0.8.120/jsp/test.jsp";
URLConnection con;
con = url .openConnection();
con = servlet.openConnection();
con.setDoInput( true );
con.setDoOutput( true );
con.setUseCaches( false );
con.setRequestProperty( "Content-Type","text/plain" );
con.setAllowUserInteraction(false);
ObjectOutputStream out;
out = new ObjectOutputStream(con.getOutputStream());
Serializable[] data ={"test"};
out.writeObject( data );
out.flush();
out.close();
//until here are all rigth
ObjectInputStream in = new ObjectInputStream( con.getInputStream() );//happened error
JSP:
TestBean testBean = new TestBean ();
testBean .execute(request, response);
JAVABEAN:
public void execute( HttpServletRequest request,
HttpServletResponse response )
ObjectInputStream in = new ObjectInputStream( request.getInputStream() );
String direct = (String) in.readObject();
System.out.prinltn("direct");
ObjectOutputStream out = new ObjectOutputStream( response.getOutputStream() );
SerializableSerializable[] data ={"answer"};
out.writeObject( data );
out.flush();
out.close();
Error detail:
java.io.StreamCorruptedException: invalid stream header
at java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:729)
at java.io.ObjectInputStream.<init>(ObjectInputStream.java:251)
at TestApplet.postObjects(TestApplet.java:172)you have to pay attention to the sequence of opening the streams.
The following example is: client sends a string to server, and servlet sends a response string back.
client side:
URL url = new URL( "http://152.8.113.149:8080/conn/servlet/test" );
URLConnection conn = url.openConnection();
System.out.println( "conn: " + conn );
conn.setDoOutput( true );
conn.setDoInput( true );
conn.setUseCaches( false );
conn.setDefaultUseCaches (false);
// send out a string
OutputStream out = conn.getOutputStream();
ObjectOutputStream oOut = new ObjectOutputStream( out );
oOut.writeObject( strSrc );
// receive a string
InputStream in = conn.getInputStream();
ObjectInputStream oIn = new ObjectInputStream( in );
String strDes = (String)oIn.readObject();server side
// open output stream
OutputStream out = res.getOutputStream();
ObjectOutputStream oOut = new ObjectOutputStream( out );
// open input stream and read from client
InputStream in = req.getInputStream();
ObjectInputStream oIn = new ObjectInputStream( in );
String s = (String)oIn.readObject();
System.out.println( s );
// write to client
oOut.writeObject( s + " back" ); I have the complete example at http://152.8.113.149/samples/app_servlet.html
don't forget to give me the duke dollars. -
i'm trying to download a zip file through my java program and extract a .dbf file from the downloaded file.
i'm getting java.util.zip.ZipException: error in opening zip file at:
ZipFile zf=new ZipFile("c:\\tomcat\\webapps\\project\\PR.zip");
can anyone tell me what the problem is?
========================================================================
import java.io.*;
import java.net.*;
import java.sql.*;
import java.util.*;
import java.util.zip.*;
public class BhavMod
public static void main(String arr[])
System.out.println("Downloading file PR.ZIP from location http://nseindia.com/content/equities/PR.zip...");
try
URL u = new URL("http://nseindia.com/content/equities/PR.zip");
InputStream ip = u.openStream();
int af;
byte b[] = new byte[256];
File fp = new File("c:\\tomcat\\webapps\\project\\PR.zip");
FileOutputStream fos = new FileOutputStream(fp);
af=1;
for(int i=0;af>0;i++)
af=ip.read(b);
if(af>0) {
fos.write(b);
System.out.print(".");
ip.close();
fos.close();
System.out.println("\n\nDownloaded file PR.Zip to location c:\\tomcat\\webapps\\project\\PR.zip");
catch(Exception e3)
System.out.println("<b>DOWNLOAD FAILED.</b><BR>");
System.out.println(e3);
try{
System.out.println("entered");
ZipFile zf=new ZipFile("c:\\tomcat\\webapps\\project\\PR.zip");
System.out.println("opened");
Enumeration e=zf.entries();
System.out.println("connected"+zf.size());
ZipEntry a=new ZipEntry("dbasefile");
while(e.hasMoreElements())
a=(ZipEntry)e.nextElement();
if(a.getName().startsWith("pr"))
InputStream is=zf.getInputStream(a);
int nw;
File f=new File("c:\\tomcat\\webapps\\project\\bhav.dbf");
FileOutputStream os=new FileOutputStream(f);
while(is.available()>0)
nw=is.read();
os.write(nw);
System.out.println(a);
zf.close();
}catch(Exception e2)
System.out.println(e2);
try{
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
String DBUrl = "jdbc:mysql:///portdb";
Class.forName("com.mysql.jdbc.Driver").newInstance();
Connection cn=DriverManager.getConnection("jdbc:odbc:dbf");
Statement st=cn.createStatement();
ResultSet rs=st.executeQuery("select * from bhav WHERE MKT='Y' OR MKT='y' OR MKT='N' or MKT='n'");
String str=new String();
Connection cndb=DriverManager.getConnection(DBUrl);
System.out.println("Connected!!!");
Statement stdb=cndb.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_UPDATABLE);
int rsdb=stdb.executeUpdate("delete from script");
System.out.println("UPDATED RATES...\n\nScript-----------------------------------Price");
while(rs.next())
str=rs.getString("SECURITY");
str=str.replace('\'','_');
str=str.trim();
str=str.replace(' ','_');
// to remove blank spaces from script id
String s1=new String(str);
StringBuffer s2=new StringBuffer(s1);
int f;
while((s1.indexOf(' '))!=-1)
f=s1.indexOf(' ');
s2=new StringBuffer(s1);
s2=s2.deleteCharAt(f);
s1=s2.toString();
// so now insert s1 as script id and str as script name....
float price=rs.getFloat("CLOSE_PRIC");
rsdb=stdb.executeUpdate("insert into script values ('"+s1+"','"+str+"','N',"+price+",now())");
System.out.println(str+"\t\t\t\t\t"+price);
catch(Exception eupd)
System.out.println("UPDATION FAILED."+eupd);
=======================================================================
Output:
Downloading file PR.ZIP from location http://nseindia.com/content/equities/PR.zip...
Downloaded file PR.Zip to location c:\tomcat\webapps\project\PR.zip
entered
java.util.zip.ZipException: error in opening zip file
Connected!!!
UPDATED RATES...
Script-----------------------------------Price
S&P_CNX_Nifty 1017.1
CNX_Nifty_Junior 1336.75
S&P_CNX_Defty 739.9
S&P_CNX_500 729.75
CNX_Midcap_200 708.8
ASEA_BROWN_BOVERI_LTD 302.3
ASSOCIATED_CEMENT_CO_LTD 144.9
BAJAJ_AUTO_LTD 499.0
BHEL 206.55
BHARAT_PETROLEUM_CORP__LT 215.1the file is at its location....... not password protected.... and i've thought of all the "half-a-dozen things" u haven't thought of...
thanks anyway for taking the pain to reply.
u needn't have replied if it was bugging u so.
Maybe the zip file isn't at that location. Maybe it
didn't get completely downloaded. Maybe downloading it
puts permissions on it that don't allow you to open
it. Maybe it's password-protected. Maybe half-a-dozen
things I haven't thought of yet. Did you check any of
those obvious things? Can you open the file yourself
with a zip utility? -
Error 403 Reported when trying to access web page through a program.
I was writing a program for fun, to try to download a web page, pdf or anything from the web. The program works fine when given local file system path in URL and also works well when i tried to access a page from the tomcat installed on my machine but gives a error 403 when tried to access URL's outside the system. Tried to read about 403, seems that many sites does not allow to access a particular URL directly using the directory structure, you have to pass thru different hyperlinks before reaching resource.
IS THERE ANY WAY THIS PROBLEM CAN BE SOLVED.
import java.io.*;
import java.net.*;
class TestDownload
public static void main(String[] args)
try
URL url = new URL("http://www.webmasterworld.com/forum48/1966.htm");
// URL url = new URL("http://localhost:8080/index.html");
// URL url = new URL("file:\\C:\\web_2.pdf");
URLConnection connection = url.openConnection();
InputStream stream = connection.getInputStream();
BufferedInputStream in = new BufferedInputStream(stream);
FileOutputStream file = new FileOutputStream("x.html");
BufferedOutputStream out = new BufferedOutputStream(file);
int i;
while ((i = in.read()) != -1) {
out.write(i);
out.flush();
catch(IOException e)
e.printStackTrace();
System.out.println("Hello World!");
}I was writing a program for fun, to try to download a web page, pdf or anything from the web. The program works fine when given local file system path in URL and also works well when i tried to access a page from the tomcat installed on my machine but gives a error 403 when tried to access URL's outside the system. Tried to read about 403, seems that many sites does not allow to access a particular URL directly using the directory structure, you have to pass thru different hyperlinks before reaching resource.
IS THERE ANY WAY THIS PROBLEM CAN BE SOLVED.
import java.io.*;
import java.net.*;
class TestDownload
public static void main(String[] args)
try
URL url = new URL("http://www.webmasterworld.com/forum48/1966.htm");
// URL url = new URL("http://localhost:8080/index.html");
// URL url = new URL("file:\\C:\\web_2.pdf");
URLConnection connection = url.openConnection();
InputStream stream = connection.getInputStream();
BufferedInputStream in = new BufferedInputStream(stream);
FileOutputStream file = new FileOutputStream("x.html");
BufferedOutputStream out = new BufferedOutputStream(file);
int i;
while ((i = in.read()) != -1) {
out.write(i);
out.flush();
catch(IOException e)
e.printStackTrace();
System.out.println("Hello World!");
} -
Hello Guys,
I am implementing solution where in I need to post http request to a secure server. I am using following mechanisam to talk to the ssl server. But when I run the program on my local machine I get following error. Can you guys please help me out since I have limited knowledge of security API and I need to get this done in very short time. Please help me understand necessary steps required to resolve this issue.
Thanks
Code
SSLSocketFactory factory = (SSLSocketFactory)SSLSocketFactory.getDefault();
tunnelHost = "<my proxy server >";
tunnelPort = "<proxy server port>";
tunnel = new Socket(tunnelHost, tunnelPort);
doTunnelHandshake(tunnel, host, port ,username , password);
socket =(SSLSocket)factory.createSocket(tunnel, host, port, true);
socket.addHandshakeCompletedListener(
new HandshakeCompletedListener()
public void handshakeCompleted(
HandshakeCompletedEvent event)
{"\t CipherSuite:" + event.getCipherSuite());
System.out.println(
"\t SessionId " + event.getSession());
System.out.println(
"\t PeerHost "+
event.getSession().getPeerHost());
socket.startHandshake();
socket.close();
tunnel.close();
} catch (Exception e) {
e.printStackTrace();
private void doTunnelHandshake(Socket tunnel, String host, int port , String username , String password)
throws IOException
OutputStream out = tunnel.getOutputStream();
String AuthString = new String("NORTHAMERICA\\"+username+ ":" + password );
byte [] AuthBytes = AuthString.getBytes();
char []AuthChar = Base64encode(AuthBytes);
String test = String.valueOf(AuthChar);
String ProxyAuthorization = new String("Proxy-Authorization: Basic " + test);
String msg = "CONNECT " + host + ":" + port + " HTTP/1.0\n"
+ "User-Agent: Java SSL Sample\n"
+ "Host: FSM Gateway\n"
+ "Proxy-Connection: Keep-Alive\n"
+ "Pragma: No-Cache\n"
+ ProxyAuthorization
+ "\r\n\r\n";
byte b[];
try {
b = msg.getBytes("ASCII7");
} catch (UnsupportedEncodingException ignored) {
* If ASCII7 isn't there, something serious is wrong, but
* Paranoia Is Good �
b = msg.getBytes();
out.write(b);
out.flush();
byte reply[] = new byte[200];
int replyLen = 0;
int newlinesSeen = 0;
boolean headerDone = false; /* Done on first newline */
InputStream in = tunnel.getInputStream();
boolean error = false;
while (newlinesSeen < 2) {
int i = in.read();
if (i < 0) {
throw new IOException("Unexpected EOF from proxy");
if (i == '\n') {
headerDone = true;
++newlinesSeen;
} else if (i != '\r') {
newlinesSeen = 0;
if (!headerDone && replyLen < reply.length) {
reply[replyLen++] = (byte) i;
* Converting the byte array to a string is slightly wasteful
* in the case where the connection was successful, but it's
* insignificant compared to the network overhead.
String replyStr;
try {
replyStr = new String(reply, 0, replyLen, "ASCII7");
} catch (UnsupportedEncodingException ignored) {
replyStr = new String(reply, 0, replyLen);
/* We asked for HTTP/1.0, so we should get that back */
if (!replyStr.startsWith("HTTP/1.0 200")) {
throw new IOException("Unable to tunnel through "
+ tunnelHost + ":" + tunnelPort
+ ". Proxy returns \"" + replyStr + "\"");
System.out.println("tunneling Handshake was successful!");
Exception is javax.net.ssl.SSLException: Unrecognized SSL message, plaintext connection?
at com.sun.net.ssl.internal.ssl.InputRecord.b(Unknown Source)
at com.sun.net.ssl.internal.ssl.InputRecord.read(Unknown Source)
at com.sun.net.ssl.internal.ssl.SSLSocketImpl.a(Unknown Source)
at com.sun.net.ssl.internal.ssl.SSLSocketImpl.j(Unknown Source)
at com.sun.net.ssl.internal.ssl.SSLSocketImpl.startHandshake(Unknown Source)
at SSLSocketClient.doIt(SSLSocketClient.java:166)
at SSLSocketClient.main(SSLSocketClient.java:54)
Debug information is
keyStore is :
keyStore type is : jks
init keystore
init keymanager of type SunX509
trustStore is: C:\Program Files\Java\j2re1.4.2_06\lib\security\cacerts
trustStore type is : jks
init truststore
adding as trusted cert:
Subject: CN=Baltimore CyberTrust Code Signing Root, OU=CyberTrust, O=Baltimore, C=IE
Issuer: CN=Baltimore CyberTrust Code Signing Root, OU=CyberTrust, O=Baltimore, C=IE
Algorithm: RSA; Serial number: 0x20000bf
Valid from Wed May 17 09:01:00 CDT 2000 until Sat May 17 18:59:00 CDT 2025
adding as trusted cert:
Subject: CN=Entrust.net Secure Server Certification Authority, OU=(c) 1999 Entrust.net Limited, OU=www.entrust.net/CPS incorp. by ref. (limits liab.),
Issuer: CN=Entrust.net Secure Server Certification Authority, OU=(c) 1999 Entrust.net Limited, OU=www.entrust.net/CPS incorp. by ref. (limits liab.),
Algorithm: RSA; Serial number: 0x374ad243
Valid from Tue May 25 11:09:40 CDT 1999 until Sat May 25 11:39:40 CDT 2019
adding as trusted cert:
Subject: CN=Baltimore CyberTrust Root, OU=CyberTrust, O=Baltimore, C=IE
Issuer: CN=Baltimore CyberTrust Root, OU=CyberTrust, O=Baltimore, C=IE
Algorithm: RSA; Serial number: 0x20000b9
Valid from Fri May 12 13:46:00 CDT 2000 until Mon May 12 18:59:00 CDT 2025
adding as trusted cert:
Subject: CN=VeriSign Class 3 Public Primary Certification Authority - G3, OU="(c) 1999 VeriSign, Inc. - For authorized use only", OU=VeriSign Trust Net
Issuer: CN=VeriSign Class 3 Public Primary Certification Authority - G3, OU="(c) 1999 VeriSign, Inc. - For authorized use only", OU=VeriSign Trust Net
Algorithm: RSA; Serial number: 0x9b7e0649a33e62b9d5ee90487129ef57
Valid from Thu Sep 30 19:00:00 CDT 1999 until Wed Jul 16 18:59:59 CDT 2036
adding as trusted cert:
init context
trigger seeding of SecureRandom
done seeding SecureRandom
tunneling Handshake was successful!
Socket is 15e83f9[SSL_NULL_WITH_NULL_NULL: Socket[addr=/10.0.1.38,port=80,localport=2133]]
%% No cached client session
*** ClientHello, TLSv1
RandomCookie: GMT: 1115833203 bytes = { 119, 0, 234, 70, 240, 74, 55, 9, 64, 89, 133, 251, 64, 160, 105, 25, 113, 219, 252, 65, 240, 228, 184, 117, 235,
Session ID: {}
Cipher Suites: [SSL_RSA_WITH_RC4_128_MD5, SSL_RSA_WITH_RC4_128_SHA, TLS_RSA_WITH_AES_128_CBC_SHA, TLS_DHE_RSA_WITH_AES_128_CBC_SHA, TLS_DHE_DSS_WITH_AES_
Compression Methods: { 0 }
main, WRITE: TLSv1 Handshake, length = 73
main, WRITE: SSLv2 client hello message, length = 98
main, handling exception: javax.net.ssl.SSLException: Unrecognized SSL message, plaintext connection?
main, SEND TLSv1 ALERT: fatal, description = unexpected_message
main, WRITE: TLSv1 Alert, length = 2
main, called closeSocket()
javax.net.ssl.SSLException: Unrecognized SSL message, plaintext connection?
at com.sun.net.ssl.internal.ssl.InputRecord.b(Unknown Source)
at com.sun.net.ssl.internal.ssl.InputRecord.read(Unknown Source)
at com.sun.net.ssl.internal.ssl.SSLSocketImpl.a(Unknown Source)
at com.sun.net.ssl.internal.ssl.SSLSocketImpl.j(Unknown Source)
at com.sun.net.ssl.internal.ssl.SSLSocketImpl.startHandshake(Unknown Source)
at SSLSocketClient.doIt(SSLSocketClient.java:166)
at SSLSocketClient.main(SSLSocketClient.java:54)No it is not correct.
The socket creation should be provided with the proper host and the port. the resource on the host is something you should ask your server (HTTP GET ... whatever).
The https://abc.com:443 is equal to https://abc.com as the default port for https is 443. the host variable should be "abc.com" and the port "443" and the rest negotiated in application level (HTTP GET /XYZ [is not the proper syntax]).
Further, with this description, the first url (https://server/resource:port) is not making any sense.
You problem in first place is probably the host and port parameters (specifically the port has been set to 80 which most likely is wrong) . you need to consider the other port regarding newline and CRs buildging the proxy authentication header, but you debug logs suggest that your test proxy server takes it. -
Error 403.7 - Forbidden: SSL client certificate is required
Hi people!
I�m developing a java client to a WebService (developed in .NET). The communication protocol is HTTPS to the URL where the Web Service is located (something like https://10.200.140.117/dirNotes/serviceName.asmx.). I�ve been reading many posts but I could'nt find the solution to the problem wich has the following message: Error 403.7 - Forbidden: SSL client certificate is required".
I�m using JDK 1.5 and developing and testing on Windows Plataform. I'm able to access the URL specified above directly from the browser, I installed the client certificate (the same that �ve put into the ,jks keystore. I�ve also imported the whole certificate chain of the server to the cacerts.
I�ll paste the code and the console trace below. I�d be very grateful if you can help me. Thanks a lot.
_THE CODE_
package principal;
import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.net.URL;
import java.net.UnknownHostException;
import java.security.KeyStore;
import java.security.Security;
import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.KeyManagerFactory;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSocket;
import javax.net.ssl.SSLSocketFactory;
import javax.net.ssl.TrustManagerFactory;
import org.apache.axis.client.Call;
import org.apache.axis.client.Service;
import entidade.Certificado;
public class SSLClient {
private static final int PORT_NUMBER = 443;
private static final String HTTPS_ADDRESS = "10.200.140.117";
private static String strCabecalhoMsg = "";
private static String strDadosMsg = "";
public static void main(String[] args) throws Exception {
System.setProperty("javax.net.ssl.keyStore", Certificado.getStrNomeArquivoJKSServidor());
System.setProperty("javax.net.ssl.keyStorePassword", "senha");
System.setProperty("javax.net.ssl.trustStore", "Certificados/cacerts");
System.setProperty("javax.net.ssl.trustStorePassword", "changeit");
System.setProperty("javax.net.ssl.keyStoreType", "JKS");
Security.addProvider(new com.sun.net.ssl.internal.ssl.Provider());
System.setProperty("javax.net.debug","ssl,handshake,record");
KeyStore ks = KeyStore.getInstance(KeyStore.getDefaultType());
ks.load(new FileInputStream(Certificado.getStrNomeArquivoJKSServidor()),
Certificado.getArranjoCharSenhaCertificadoServidor());
KeyManagerFactory kmf = KeyManagerFactory.getInstance(KeyManagerFactory.getDefaultAlgorithm());
kmf.init(ks, Certificado.getArranjoCharSenhaCertificadoServidor());
KeyStore ksT = KeyStore.getInstance(KeyStore.getDefaultType());
ksT.load(new FileInputStream("C:/Arquivos de programas/Java/jre1.5.0_05/lib/security/cacerts"), "changeit".toCharArray());
TrustManagerFactory tmf = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
tmf.init(ksT);
SSLContext sc = SSLContext.getInstance("SSLv3");
sc.init(kmf.getKeyManagers(), tmf.getTrustManagers(), new java.security.SecureRandom());
SSLSocketFactory factory = sc.getSocketFactory();
try{
// method to load the values of the strings strCabecalhoMsg and strDadosMsg
carregarXMLCabecalhoDados();
SSLSocket socket =(SSLSocket)factory.createSocket(HTTPS_ADDRESS, PORT_NUMBER);
socket.startHandshake();
String [] arr = socket.getEnabledProtocols();
URL url = new URL("https://10.200.140.117/dirNotes");
HttpsURLConnection.setDefaultSSLSocketFactory(factory);
HttpsURLConnection urlc = (HttpsURLConnection) url.openConnection();
urlc.setDoInput(true);
urlc.setUseCaches(false);
Object[] params = {strCabecalhoMsg, strDadosMsg};
Service service = new Service();
Call call = (Call) service.createCall();
call.setTargetEndpointAddress(url);
call.setOperationName("serviceName");
String ret = (String) call.invoke(params);
System.out.println("Result: " + ret);
catch (UnknownHostException uhe) {
uhe.printStackTrace();
System.err.println(uhe);
catch (Exception uhe) {
uhe.printStackTrace();
System.err.println(uhe);
private static void carregarXMLCabecalhoDados()
try
BufferedReader input = new BufferedReader( new FileReader("notas/cabecalho.xml"));
String str;
while((str=input.readLine()) != null)
strCabecalhoMsg += str ;
System.out.println("Cabe�a: " + strCabecalhoMsg);
input = new BufferedReader( new FileReader("notas/nota.xml"));
while((str=input.readLine()) != null)
strDadosMsg += str ;
System.out.println("Nota: " + strDadosMsg);
catch (FileNotFoundException e)
// TODO Auto-generated catch block
e.printStackTrace();
catch (IOException e)
// TODO Auto-generated catch block
e.printStackTrace();
_THE TRACE_
adding as trusted cert:
Subject: [email protected], CN=http://www.valicert.com/, OU=ValiCert Class 2 Policy Validation Authority, O="ValiCert, Inc.", L=ValiCert Validation Network
Issuer: [email protected], CN=http://www.valicert.com/, OU=ValiCert Class 2 Policy Validation Authority, O="ValiCert, Inc.", L=ValiCert Validation Network
Algorithm: RSA; Serial number: 0x1
Valid from Fri Jun 25 21:19:54 BRT 1999 until Tue Jun 25 21:19:54 BRT 2019
*others trusted certs*
trigger seeding of SecureRandom
done seeding SecureRandom
export control - checking the cipher suites
export control - no cached value available...
export control - storing legal entry into cache...
%% No cached client session
*** ClientHello, TLSv1
RandomCookie: GMT: 1198158630 bytes = { 48, 135, 53, 24, 112, 72, 104, 220, 27, 114, 37, 42, 25, 77, 224, 32, 12, 58, 90, 217, 232, 3, 104, 251, 93, 82, 40, 91 }
Session ID: {}
Cipher Suites: [SSL_RSA_WITH_RC4_128_MD5, SSL_RSA_WITH_RC4_128_SHA, TLS_RSA_WITH_AES_128_CBC_SHA, TLS_DHE_RSA_WITH_AES_128_CBC_SHA, TLS_DHE_DSS_WITH_AES_128_CBC_SHA, SSL_RSA_WITH_3DES_EDE_CBC_SHA, SSL_DHE_RSA_WITH_3DES_EDE_CBC_SHA, SSL_DHE_DSS_WITH_3DES_EDE_CBC_SHA, SSL_RSA_WITH_DES_CBC_SHA, SSL_DHE_RSA_WITH_DES_CBC_SHA, SSL_DHE_DSS_WITH_DES_CBC_SHA, SSL_RSA_EXPORT_WITH_RC4_40_MD5, SSL_RSA_EXPORT_WITH_DES40_CBC_SHA, SSL_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA, SSL_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA]
Compression Methods: { 0 }
main, WRITE: TLSv1 Handshake, length = 73
main, WRITE: SSLv2 client hello message, length = 98
main, READ: TLSv1 Handshake, length = 3953
*** ServerHello, TLSv1
RandomCookie: GMT: 1198158523 bytes = { 56, 166, 181, 215, 86, 245, 8, 55, 214, 108, 128, 50, 8, 11, 0, 209, 38, 62, 187, 185, 240, 231, 56, 161, 212, 111, 194, 79 }
Session ID: {222, 2, 0, 0, 147, 179, 182, 212, 18, 34, 199, 100, 168, 167, 48, 116, 140, 186, 151, 153, 226, 168, 163, 174, 24, 83, 208, 73, 179, 57, 86, 137}
Cipher Suite: SSL_RSA_WITH_RC4_128_MD5
Compression Method: 0
%% Created: [Session-1, SSL_RSA_WITH_RC4_128_MD5]
** SSL_RSA_WITH_RC4_128_MD5
*** Certificate chain
chain [0] = [
Version: V3
*many chains and related data*
Found trusted certificate:
Version: V3
Subject:
*many trusted certificates and related data*
*** ServerHelloDone
*** ClientKeyExchange, RSA PreMasterSecret, TLSv1
Random Secret: { 3, 1, 117, 112, 233, 166, 240, 9, 226, 67, 53, 111, 194, 84, 124, 103, 197, 28, 17, 36, 32, 48, 145, 166, 161, 61, 30, 63, 153, 214, 137, 113, 222, 204, 138, 77, 212, 75, 65, 192, 159, 215, 69, 156, 47, 188, 179, 219 }
main, WRITE: TLSv1 Handshake, length = 134
SESSION KEYGEN:
PreMaster Secret:
0000: 03 01 75 70 E9 A6 F0 09 E2 43 35 6F C2 54 7C 67 ..up.....C5o.T.g
0010: C5 1C 11 24 20 30 91 A6 A1 3D 1E 3F 99 D6 89 71 ...$ 0...=.?...q
0020: DE CC 8A 4D D4 4B 41 C0 9F D7 45 9C 2F BC B3 DB ...M.KA...E./...
CONNECTION KEYGEN:
Client Nonce:
0000: 47 6A 73 26 30 87 35 18 70 48 68 DC 1B 72 25 2A Gjs&0.5.pHh..r%*
0010: 19 4D E0 20 0C 3A 5A D9 E8 03 68 FB 5D 52 28 5B .M. .:Z...h.]R([
Server Nonce:
0000: 47 6A 73 BB 38 A6 B5 D7 56 F5 08 37 D6 6C 80 32 Gjs.8...V..7.l.2
0010: 08 0B 00 D1 26 3E BB B9 F0 E7 38 A1 D4 6F C2 4F ....&>....8..o.O
Master Secret:
0000: 0B 3A 71 F8 BB 79 5E 07 78 C2 5F 13 4F 92 9D 87 .:q..y^.x._.O...
0010: CF 69 0D 07 78 D2 59 46 1E C3 C1 5B A2 DB 04 B9 .i..x.YF...[....
0020: 42 60 92 48 59 8E FD FD C3 5B BD 00 9C 54 7A 7E B`.HY....[...Tz.
Client MAC write Secret:
0000: 33 7C 19 C4 75 D2 CE 82 39 98 37 E5 7D 20 CB B1 3...u...9.7.. ..
Server MAC write Secret:
0000: 1E 1E 48 C7 D4 77 23 E4 22 26 8B 98 2E 92 5C 95 ..H..w#."&....\.
Client write key:
0000: EE 05 39 76 B2 85 63 6C F7 70 30 CB 6D 08 07 54 ..9v..cl.p0.m..T
Server write key:
0000: 5C 2E 3B 5E DC D9 EC C5 04 C4 D5 B5 12 11 B9 08 \.;^............
... no IV for cipher
main, WRITE: TLSv1 Change Cipher Spec, length = 1
*** Finished
verify_data: { 143, 115, 243, 131, 242, 244, 12, 44, 191, 172, 205, 122 }
main, WRITE: TLSv1 Handshake, length = 32
main, READ: TLSv1 Change Cipher Spec, length = 1
main, READ: TLSv1 Handshake, length = 32
*** Finished
verify_data: { 231, 215, 37, 250, 177, 121, 111, 192, 11, 41, 1, 165 }
%% Cached client session: [Session-1, SSL_RSA_WITH_RC4_128_MD5]
setting up default SSLSocketFactory
use default SunJSSE impl class: com.sun.net.ssl.internal.ssl.SSLSocketFactoryImpl
class com.sun.net.ssl.internal.ssl.SSLSocketFactoryImpl is loaded
keyStore is : Certificados/certificadoSondaMonitor.jks
keyStore type is : JKS
keyStore provider is :
init keystore
init keymanager of type SunX509
trustStore is: Certificados\cacerts
trustStore type is : jks
trustStore provider is :
init truststore
adding as trusted cert:
Subject: [email protected], CN=http://www.valicert.com/, OU=ValiCert Class 2 Policy Validation Authority, O="ValiCert, Inc.", L=ValiCert Validation Network
Issuer: [email protected], CN=http://www.valicert.com/, OU=ValiCert Class 2 Policy Validation Authority, O="ValiCert, Inc.", L=ValiCert Validation Network
Algorithm: RSA; Serial number: 0x1
Valid from Fri Jun 25 21:19:54 BRT 1999 until Tue Jun 25 21:19:54 BRT 2019
adding as trusted cert:
* many certificates*
init context
trigger seeding of SecureRandom
done seeding SecureRandom
instantiated an instance of class com.sun.net.ssl.internal.ssl.SSLSocketFactoryImpl
export control - checking the cipher suites
export control - found legal entry in cache...
%% No cached client session
*** ClientHello, TLSv1
RandomCookie: GMT: 1198158632 bytes = { 93, 1, 41, 236, 165, 146, 251, 117, 129, 195, 129, 72, 245, 181, 43, 48, 80, 251, 244, 198, 223, 85, 82, 101, 20, 159, 17, 26 }
Session ID: {}
Cipher Suites: [SSL_RSA_WITH_RC4_128_MD5, SSL_RSA_WITH_RC4_128_SHA, TLS_RSA_WITH_AES_128_CBC_SHA, TLS_DHE_RSA_WITH_AES_128_CBC_SHA, TLS_DHE_DSS_WITH_AES_128_CBC_SHA, SSL_RSA_WITH_3DES_EDE_CBC_SHA, SSL_DHE_RSA_WITH_3DES_EDE_CBC_SHA, SSL_DHE_DSS_WITH_3DES_EDE_CBC_SHA, SSL_RSA_WITH_DES_CBC_SHA, SSL_DHE_RSA_WITH_DES_CBC_SHA, SSL_DHE_DSS_WITH_DES_CBC_SHA, SSL_RSA_EXPORT_WITH_RC4_40_MD5, SSL_RSA_EXPORT_WITH_DES40_CBC_SHA, SSL_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA, SSL_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA]
Compression Methods: { 0 }
main, WRITE: TLSv1 Handshake, length = 73
main, WRITE: SSLv2 client hello message, length = 98
main, READ: TLSv1 Handshake, length = 3953
*** ServerHello, TLSv1
RandomCookie: GMT: 1198158525 bytes = { 109, 114, 234, 1, 130, 97, 251, 9, 61, 105, 56, 246, 239, 222, 97, 143, 22, 254, 65, 213, 10, 204, 153, 67, 237, 133, 223, 48 }
Session ID: {23, 30, 0, 0, 26, 129, 168, 21, 252, 107, 124, 183, 171, 228, 138, 227, 94, 17, 195, 213, 216, 233, 205, 2, 117, 16, 21, 65, 123, 119, 171, 109}
Cipher Suite: SSL_RSA_WITH_RC4_128_MD5
Compression Method: 0
%% Created: [Session-2, SSL_RSA_WITH_RC4_128_MD5]
** SSL_RSA_WITH_RC4_128_MD5
*** Certificate chain
chain [0] = [
many chains again
*** ServerHelloDone
*** ClientKeyExchange, RSA PreMasterSecret, TLSv1
Random Secret: { 3, 1, 116, 247, 155, 227, 25, 25, 231, 129, 199, 76, 134, 222, 98, 69, 149, 224, 75, 6, 60, 121, 115, 216, 244, 246, 102, 92, 188, 64, 113, 56, 190, 43, 32, 51, 90, 254, 141, 184, 71, 48, 41, 29, 173, 180, 46, 116 }
main, WRITE: TLSv1 Handshake, length = 134
SESSION KEYGEN:
PreMaster Secret:
0000: 03 01 74 F7 9B E3 19 19 E7 81 C7 4C 86 DE 62 45 ..t........L..bE
0010: 95 E0 4B 06 3C 79 73 D8 F4 F6 66 5C BC 40 71 38 ..K.<ys...f\.@q8
0020: BE 2B 20 33 5A FE 8D B8 47 30 29 1D AD B4 2E 74 .+ 3Z...G0)....t
CONNECTION KEYGEN:
Client Nonce:
0000: 47 6A 73 28 5D 01 29 EC A5 92 FB 75 81 C3 81 48 Gjs(].)....u...H
0010: F5 B5 2B 30 50 FB F4 C6 DF 55 52 65 14 9F 11 1A ..+0P....URe....
Server Nonce:
0000: 47 6A 73 BD 6D 72 EA 01 82 61 FB 09 3D 69 38 F6 Gjs.mr...a..=i8.
0010: EF DE 61 8F 16 FE 41 D5 0A CC 99 43 ED 85 DF 30 ..a...A....C...0
Master Secret:
0000: FC C9 75 A4 2B F1 8A D8 AD 16 27 70 B7 E4 64 6C ..u.+.....'p..dl
0010: 05 D7 33 4A 53 91 2F 51 1E 32 D3 3B 2E 18 2E BC ..3JS./Q.2.;....
0020: E4 16 EE 2F 01 A1 08 48 19 09 32 68 CE 69 8F B1 .../...H..2h.i..
Client MAC write Secret:
0000: F1 95 3B CE 06 5B 8A 9B EC DE 1C 8F B4 AB D9 36 ..;..[.........6
Server MAC write Secret:
0000: BF 52 36 48 63 24 FE 74 22 BE 00 99 BE F0 6E E5 .R6Hc$.t".....n.
Client write key:
0000: 9F 08 0A 6E 8F 54 A3 66 1C BC C7 6B AE 88 67 E0 ...n.T.f...k..g.
Server write key:
0000: 06 A1 0B 4F 69 DE 5F AF 0E 6B B5 04 ED E8 EA F5 ...Oi._..k......
... no IV for cipher
main, WRITE: TLSv1 Change Cipher Spec, length = 1
*** Finished
verify_data: { 148, 93, 105, 42, 110, 212, 55, 2, 150, 191, 13, 111 }
main, WRITE: TLSv1 Handshake, length = 32
main, READ: TLSv1 Change Cipher Spec, length = 1
main, READ: TLSv1 Handshake, length = 32
*** Finished
verify_data: { 171, 150, 45, 10, 99, 35, 67, 174, 35, 52, 23, 192 }
%% Cached client session: [Session-2, SSL_RSA_WITH_RC4_128_MD5]
main, setSoTimeout(600000) called
main, WRITE: TLSv1 Application Data, length = 282
main, WRITE: TLSv1 Application Data, length = 8208
main, WRITE: TLSv1 Application Data, length = 1102
main, READ: TLSv1 Application Data, length = 1830
main, received EOFException: ignored
main, called closeInternal(false)
main, SEND TLSv1 ALERT: warning, description = close_notify
main, WRITE: TLSv1 Alert, length = 18
main, called close()
main, called closeInternal(true)
AxisFault
faultCode: {http://xml.apache.org/axis/}HTTP
faultSubcode:
faultString: (404)Not Found
faultActor:
faultNode:
faultDetail:
{}:return code: 404
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<HTML><HEAD><TITLE>The page cannot be found</TITLE>
<META HTTP-EQUIV="Content-Type" Content="text/html; charset=Windows-1252">
<STYLE type="text/css">
BODY { font: 8pt/12pt verdana }
H1 { font: 13pt/15pt verdana }
H2 { font: 8pt/12pt verdana }
A:link { color: red }
A:visited { color: maroon }
</STYLE>
</HEAD><BODY><TABLE width=500 border=0 cellspacing=10><TR><TD>
<h1>The page cannot be found</h1>
The page you are looking for might have been removed, had its name changed, or is temporarily unavailable.
<hr>
<p>Please try the following:</p>
<ul>
<li>Make sure that the Web site address displayed in the address bar of your browser is spelled and formatted correctly.</li>
<li>If you reached this page by clicking a link, contact
the Web site administrator to alert them that the link is incorrectly formatted.
</li>
<li>Click the <a href="javascript:history.back(1)">Back</a> button to try another link.</li>
</ul>
<h2>HTTP Error 404 - File or directory not found.<br>Internet Information Services (IIS)</h2>
<hr>
<p>Technical Information (for support personnel)</p>
<ul>
<li>Go to <a href="http://go.microsoft.com/fwlink/?linkid=8180">Microsoft Product Support Services</a> and perform a title search for the words <b>HTTP</b> and <b>404</b>.</li>
<li>Open <b>IIS Help</b>, which is accessible in IIS Manager (inetmgr),
and search for topics titled <b>Web Site Setup</b>, <b>Common Administrative Tasks</b>, and <b>About Custom Error Messages</b>.</li>
</ul>
</TD></TR></TABLE></BODY></HTML>
{http://xml.apache.org/axis/}HttpErrorCode:404
(404)Not Found
at org.apache.axis.transport.http.HTTPSender.readFromSocket(HTTPSender.java:744)
at org.apache.axis.transport.http.HTTPSender.invoke(HTTPSender.java:144)
at org.apache.axis.strategies.InvocationStrategy.visit(InvocationStrategy.java:32)
at org.apache.axis.SimpleChain.doVisiting(SimpleChain.java:118)
at org.apache.axis.SimpleChain.invoke(SimpleChain.java:83)
at org.apache.axis.client.AxisClient.invoke(AxisClient.java:165)
at org.apache.axis.client.Call.invokeEngine(Call.java:2784)
at org.apache.axis.client.Call.invoke(Call.java:2767)
at org.apache.axis.client.Call.invoke(Call.java:2443)
at org.apache.axis.client.Call.invoke(Call.java:2366)
at org.apache.axis.client.Call.invoke(Call.java:1812)
at principal.SSLClient.main(SSLClient.java:86)
(404)Not Found
-----I'm having the same problem with the same URL. I try many configuration and nothing works. My code is:
public class NFeClient {
static{
Security.addProvider(new BouncyCastleProvider());
public static void main(final String[] args) throws Exception {
final String path = "https://homologacao.nfe.sefaz.rs.gov.br/ws/nfeconsulta/nfeconsulta.asmx";
final String keyStoreProvider = "BC";
final String keyStoreType = "PKCS12";
final String keyStore = "/home/mendes/certificados/cert.p12";
final String keyStorePassword = "xxxx";
System.setProperty("javax.net.ssl.keyStoreProvider",keyStoreProvider);
System.setProperty("javax.net.ssl.keyStoreType",keyStoreType);
System.setProperty("javax.net.ssl.keyStore",keyStore);
System.setProperty("javax.net.ssl.keyStorePassword",keyStorePassword);
System.setProperty("javax.net.ssl.trustStore","/home/mendes/workspace/NFE/jssecacerts");
final SSLContext context = SSLContext.getInstance("TLS");
final KeyManagerFactory kmf = KeyManagerFactory.getInstance("SunX509");
final KeyStore ks = KeyStore.getInstance(keyStoreType);
ks.load(new FileInputStream(keyStore), keyStorePassword.toCharArray());
kmf.init(ks, keyStorePassword.toCharArray());
context.init(kmf.getKeyManagers(), null, null);
final URL url = new URL(path);
final HttpsURLConnection httpsConnection = (HttpsURLConnection) url.openConnection();
httpsConnection.setDoInput(true);
httpsConnection.setRequestMethod("GET");
httpsConnection.setRequestProperty("Host", "iis-server");
httpsConnection.setRequestProperty("UserAgent", "Mozilla/4.0");
httpsConnection.setSSLSocketFactory(context.getSocketFactory());
try{
final InputStream is = httpsConnection.getInputStream();
final byte[] buff = new byte[1024];
int readed;
while((readed = is.read(buff)) > 0)
System.out.write(buff,0,readed);
}catch(final IOException ioe){
ioe.printStackTrace();
}and the response of the server is always the same:
java.io.IOException: Server returned HTTP response code: 403 for URL: https://homologacao.nfe.sefaz.rs.gov.br/ws/nfeconsulta/nfeconsulta.asmx
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1241)
at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:234)
at br.com.esales.nfe.signer.client.NFeClient.main(NFeClient.java:60)Edited by: mendes on Apr 25, 2008 9:56 AM -
Error while downloading a file
I have written a servlet that downloads a file from my server on to my mobile.
i have written the following code to download the file:
URL url = new URL(path);
URLConnection connection = url.openConnection();
InputStream stream = connection.getInputStream();
BufferedInputStream in = new BufferedInputStream(stream);
FileOutputStream fos = new FileOutputStream(fileName);
BufferedOutputStream out = new BufferedOutputStream(fos);
int i;
while ((i = in.read()) != -1)
//System.out.println("Reading the file");
out.write(i);
out.flush();The code has no errors, but i m unable to download the file. The mobile gives me an error saying:
Services: Empty File
Can anyone please help me out with this problem.
with regards,
ShirishThis way to download files from server looks odd. You're issuing a new URL connection, likely to self. This may be slower than accessing the file directly using FileInputStream.
But anyway, you haven't set the contenttype and contentlength accordingly. Likely the mobile is aborting the download immediately since the headers have sent a contentlength of 0 bytes.
Check at the bottom of http://balusc.xs4all.nl/srv/dev-jep-pdf.html for some downloadFile() snippets, which might provide useful insights how to download files. -
Error parsing XML file from a HttpServletRequest using JAXP
Hi,
I am trying to generate an XML file from an HttpServletRequest. I am actually using file uploading method in JSP to send the XML file. I think the parser isnt able to correctly identify the XML file from the message body and hence it is giving some strange error messages. Has anyone of u managed to solve this problem ?
Code snippet:
//now build an XML document from the requested input stream
InputStream in = myRequest.getInputStream();
try {
myDocRequest = myParser.parse(in);
} catch (Throwable t) {
throw new Exception("Could not build document",t);
Error message is:
[Fatal Error] :1:1: Content is not allowed in prolog.
java.lang.Exception: Could not build document
at XMLUtil.<init>(XMLUtil.java:91)
at WCS.doPost(WCS.java:44)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:362)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:825)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:738)
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:526)
at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
at java.lang.Thread.run(Thread.java:534)
Caused by: org.xml.sax.SAXParseException: Content is not allowed in prolog.
at org.apache.xerces.parsers.DOMParser.parse(Unknown Source)
at org.apache.xerces.jaxp.DocumentBuilderImpl.parse(Unknown Source)
at javax.xml.parsers.DocumentBuilder.parse(Unknown Source)
at XMLUtil.<init>(XMLUtil.java:89)
... 20 more
Actually if i just print out the message, it gives something like this:
-----------------------------7d63dc71b06b2
Content-Disposition: form-data; name="W"; filename="C:\work_projects\Capas.xml"
Content-Type: text/xml
<?xml version="1.0" encoding="UTF-8"?>
<GetCapabilities version="1.0.0" service="wcs">
<section>/WCS_Capabilities/Capability</section>
</GetCapabilities>
-----------------------------7d63dc71b06b2--
Cheers.The ServletInput stream contains this:
-----------------------------7d63dc71b06b2
Content-Disposition: form-data; name="W"; filename="C:\work_projects\Capas.xml"
Content-Type: text/xml
<?xml version="1.0" encoding="UTF-8"?>
i.e., its the HTTP File Upload MIME stuff, followed by the XML. You need to wrap around the input stream something that can decode the HTTP MIME stuff and let you get at the XML itself, i.e., something like: com.orielly.servlet.multipart.MultipartParser (Apache has a similar 'file upload servlet).
Jeremy -
Uploading large files from applet to servlet throws out of memory error
I have a java applet that needs to upload files from a client machine
to a web server using a servlet. the problem i am having is that in
the current scheme, files larger than 17-20MB throw an out of memory
error. is there any way we can get around this problem? i will post
the client and server side code for reference.
Client Side Code:
import java.io.*;
import java.net.*;
// this class is a client that enables transfer of files from client
// to server. This client connects to a servlet running on the server
// and transmits the file.
public class fileTransferClient
private static final String FILENAME_HEADER = "fileName";
private static final String FILELASTMOD_HEADER = "fileLastMod";
// this method transfers the prescribed file to the server.
// if the destination directory is "", it transfers the file to
"d:\\".
//11-21-02 Changes : This method now has a new parameter that
references the item
//that is being transferred in the import list.
public static String transferFile(String srcFileName, String
destFileName,
String destDir, int itemID)
if (destDir.equals(""))
destDir = "E:\\FTP\\incoming\\";
// get the fully qualified filename and the mere filename.
String fqfn = srcFileName;
String fname =
fqfn.substring(fqfn.lastIndexOf(File.separator)+1);
try
//importTable importer = jbInit.getImportTable();
// create the file to be uploaded and a connection to
servlet.
File fileToUpload = new File(fqfn);
long fileSize = fileToUpload.length();
// get last mod of this file.
// The last mod is sent to the servlet as a header.
long lastMod = fileToUpload.lastModified();
String strLastMod = String.valueOf(lastMod);
URL serverURL = new URL(webadminApplet.strServletURL);
URLConnection serverCon = serverURL.openConnection();
// a bunch of connection setup related things.
serverCon.setDoInput(true);
serverCon.setDoOutput(true);
// Don't use a cached version of URL connection.
serverCon.setUseCaches (false);
serverCon.setDefaultUseCaches (false);
// set headers and their values.
serverCon.setRequestProperty("Content-Type",
"application/octet-stream");
serverCon.setRequestProperty("Content-Length",
Long.toString(fileToUpload.length()));
serverCon.setRequestProperty(FILENAME_HEADER, destDir +
destFileName);
serverCon.setRequestProperty(FILELASTMOD_HEADER, strLastMod);
if (webadminApplet.DEBUG) System.out.println("Connection with
FTP server established");
// create file stream and write stream to write file data.
FileInputStream fis = new FileInputStream(fileToUpload);
OutputStream os = serverCon.getOutputStream();
try
// transfer the file in 4K chunks.
byte[] buffer = new byte[4096];
long byteCnt = 0;
//long percent = 0;
int newPercent = 0;
int oldPercent = 0;
while (true)
int bytes = fis.read(buffer);
byteCnt += bytes;
//11-21-02 :
//If itemID is greater than -1 this is an import file
transfer
//otherwise this is a header graphic file transfer.
if (itemID > -1)
newPercent = (int) ((double) byteCnt/ (double)
fileSize * 100.0);
int diff = newPercent - oldPercent;
if (newPercent == 0 || diff >= 20)
oldPercent = newPercent;
jbInit.getImportTable().displayFileTransferStatus
(itemID,
newPercent);
if (bytes < 0) break;
os.write(buffer, 0, bytes);
os.flush();
if (webadminApplet.DEBUG) System.out.println("No of bytes
sent: " + byteCnt);
finally
// close related streams.
os.close();
fis.close();
if (webadminApplet.DEBUG) System.out.println("File
Transmission complete");
// find out what the servlet has got to say in response.
BufferedReader reader = new BufferedReader(
new
InputStreamReader(serverCon.getInputStream()));
try
String line;
while ((line = reader.readLine()) != null)
if (webadminApplet.DEBUG) System.out.println(line);
finally
// close the reader stream from servlet.
reader.close();
} // end of the big try block.
catch (Exception e)
System.out.println("Exception during file transfer:\n" + e);
e.printStackTrace();
return("FTP failed. See Java Console for Errors.");
} // end of catch block.
return("File: " + fname + " successfully transferred.");
} // end of method transferFile().
} // end of class fileTransferClient
Server side code:
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
import java.util.*;
import java.net.*;
// This servlet class acts as an FTP server to enable transfer of
files
// from client side.
public class FtpServerServlet extends HttpServlet
String ftpDir = "D:\\pub\\FTP\\";
private static final String FILENAME_HEADER = "fileName";
private static final String FILELASTMOD_HEADER = "fileLastMod";
public void doGet(HttpServletRequest req, HttpServletResponse resp)
throws ServletException,
IOException
doPost(req, resp);
public void doPost(HttpServletRequest req, HttpServletResponse
resp)
throws ServletException,
IOException
// ### for now enable overwrite by default.
boolean overwrite = true;
// get the fileName for this transmission.
String fileName = req.getHeader(FILENAME_HEADER);
// also get the last mod of this file.
String strLastMod = req.getHeader(FILELASTMOD_HEADER);
String message = "Filename: " + fileName + " saved
successfully.";
int status = HttpServletResponse.SC_OK;
System.out.println("fileName from client: " + fileName);
// if filename is not specified, complain.
if (fileName == null)
message = "Filename not specified";
status = HttpServletResponse.SC_INTERNAL_SERVER_ERROR;
else
// open the file stream for the file about to be transferred.
File uploadedFile = new File(fileName);
// check if file already exists - and overwrite if necessary.
if (uploadedFile.exists())
if (overwrite)
// delete the file.
uploadedFile.delete();
// ensure the directory is writable - and a new file may be
created.
if (!uploadedFile.createNewFile())
message = "Unable to create file on server. FTP failed.";
status = HttpServletResponse.SC_INTERNAL_SERVER_ERROR;
else
// get the necessary streams for file creation.
FileOutputStream fos = new FileOutputStream(uploadedFile);
InputStream is = req.getInputStream();
try
// create a buffer. 4K!
byte[] buffer = new byte[4096];
// read from input stream and write to file stream.
int byteCnt = 0;
while (true)
int bytes = is.read(buffer);
if (bytes < 0) break;
byteCnt += bytes;
// System.out.println(buffer);
fos.write(buffer, 0, bytes);
// flush the stream.
fos.flush();
} // end of try block.
finally
is.close();
fos.close();
// set last mod date for this file.
uploadedFile.setLastModified((new
Long(strLastMod)).longValue());
} // end of finally block.
} // end - the new file may be created on server.
} // end - we have a valid filename.
// set response headers.
resp.setContentType("text/plain");
resp.setStatus(status);
if (status != HttpServletResponse.SC_OK)
getServletContext().log("ERROR: " + message);
// get output stream.
PrintWriter out = resp.getWriter();
out.println(message);
} // end of doPost().
} // end of class FtpServerServletOK - the problem you describe is definitely what's giving you grief.
The workaround is to use a socket connection and send your own request headers, with the content length filled in. You may have to multi-part mime encode the stream on its way out as well (I'm not about that...).
You can use the following:
http://porsche.cis.udel.edu:8080/cis479/lectures/slides-04/slide-02.html
on your server to get a feel for the format that the request headers need to take.
- Kevin
I get the out of Memory Error on the client side. I
was told that this might be a bug in the URLConnection
class implementation that basically it wont know the
content length until all the data has been written to
the output stream, so it uses an in memory buffer to
store the data which basically causes memory issues..
do you think there might be a workaround of any kind..
or maybe a way that the buffer might be flushed after
a certain size of file has been uploaded.. ?? do you
have any ideas?
Maybe you are looking for
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I have updated to iOS8.0.2 and I've updated the Numbers app. I generally use my iPad (4th gen, with retina display) to take attendance with the template in the Numbers app. However, every time I scroll through a page with check buttons, the app crash
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