How to reach Applet- Servlet- OtherApplet comunication?
I have reach a Applet<->Servlet<->Applet comunication....it is working very well....
Now...i wish to reach Applet->Servlet->OtherApplet comunication....
Applet will send a dataX to Servlet and the Servlet will send that dataX to OtherApplet.
The OtherApplet would be presented in the same window parent....i know that it could be reached using:
response.setHeader("Refresh","0; URL=http://212.22.31.12/OtherApplet.html");
But...how indicate the dataX that i wish to send like input to OtherApplet?
Somebody has a code example, ideas or suggestions that could help me please?
Thanks,
A servlet can only send something as a response to a request. So the servlet couldn't send the information to the second applet until the second applet asked for it, and that means you would have to write your applets so they constantly kept asking the servlet if there was anything new.
Similar Messages
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How to do Applet/Servlet permanent interactive connection
Hi, I'm modifying an Instant Messaging Application originally implemented under the Applet client/standalone-server scheme that I'm implementing now under the Applet/Servlet scheme using HTTP Tunneling with Object Serialization. But this yet don't work correctly because the connection's flows are closed ever after a Servlet's response to a client request (in this moment are close the connection's flows). I'm using flows of type ObjectInputStream and ObjectOutputStream using Object Serialization with HTTP Tunneling.
this is part of the connection code in the servlet side:
public void doGet (HttpServletRequest request, HttpServletResponse response) throws
ServletException, IOException{
doPost( request, response);
public void doPost(HttpServletRequest request, HttpServletResponse response) throws
ServletException, IOException{
is = new ObjectInputStream(
new BufferedInputStream(request.getInputStream()));
try{
response.setStatus(HttpServletResponse.SC_OK);
out = new ObjectOutputStream (
new BufferedOutputStream (response.getOutputStream ()));
out.writeObject("OK");
out.flush();
// Send the input and output flows to the Thread the Handle the client Connection
newUser(is, out);
} catch(Exception ex){
System.err.println("Exc1: "+ex.toString());
ex.printStackTrace();
Run Method to read client request:
public void run() {
SocketData sd;
while ((sd = readObject()) != null) {
sd.performAction(this);
close();
After a servlet response in the readObject() method the input flow is closed in the reader request of clients and the connection between the applet (client) and servlet is lost.
How to can implement a smarter HTTP Tunneling with permanent interactive connection beetween the Applet and Servlet such as in the Applet /server Standalone connection using TCP/IP Socket connection.
Is possible the use of TCP/IP Sockets in the implementation of HTTP Tunneling with Object Serialization in the Applet/Servlet permanent interactive communication scheme?
some links or code samples?
Please show me the ligth.
Thanks greatly a smarter help.I'm not sure that I fully understand your problem, but HTTP is a stateless protocol. That means request-response pairs are completely separated from each other.
You should ask yourself if you really need to use HTTP and a servlet or if a raw TCP/IP communication would be a better approach to your problem. -
How to configure applet/servlet in Tomcat?
I'm building a web application which is going to be deployed in Tomcat. I have an applet(called MYAPPLET here) which "calls" a servlet(called MYSERVLET here). I cannot figure out how to configure the whole thing.
/test is my docbase. In /test I made a directory "applet classes" and a directory "servlet". The applet tag I use in the HTML file looks like this:
<applet
code="MYAPPLET.class"
codebase="http://localhost:8080/test/applet classes/"
<!-- Tell the applet where its peer is located -->
<param
name="servlet"
value="http://localhost:8080/test/servlet/MYSERVLET" />
</applet>
Now, when opening the page, the applet can be found but Tomcat gives an error 404 saying that it can not find the servlet. On the other hand, If I make an entry in my web.xml (with url mapping
<url-pattern>/test </url-pattern> or <url-pattern>/test/servlet </url-pattern>, depending on where I put MYSERVLET)
for the servlet mentioned above and I put the MYSERVLET in either the WEB-INF/classes directory or in /test/servlet Tomcat gives an error 403. It refuses to connect to the servlet!
Please can anyone help me. THanx in advance
debeumersYou are configuring Tomcat and if you have further questions then post new questions in the forum "Java Servlet Technology".
Given that your servlet url is "localhost:8080/test/servlet/MyServlet"
This assumes -
1) You have created a web application called "test". You have a directory called "test" under- $CATALINA_HOME/webapps
2) Your html files, jsp files, and subdirectory "applet-classes" (Note - do Not use spaces when naming directories) exist in this top level directory of your web app. If you choose to place your applet classes in this subdir then the codebase can be "applet-classes" - omitting the "/" means this directory is located relative to the current directory of the html file. (No jar files? No archive param then..)
3) You have a class file called "MyServlet" located - $CATALINA_HOME/webapps/test/WEB-INF/classes
Some versions of Tomcat require you to uncomment out the area of the Mapping for the Invoker Servlet element in $CAT_HOME/conf/web.xml.
<servlet-name>invoker</servlet-name>
<url-mapping>/servlet/*</url-mapping>
Once this is done, you need not create a directory called "servlet" anywhere in your structure. It is the url mapping.
You will want to apply url-patterns and mappings to your application specific web.xml (This is located in - $C_H/webapps/test/WEB-INF) when it comes time to deploy the app, but that is not required for testing and development. You need not make changes to the app specific web.xml at this time just to get the servlet to run.
And finally I suggest you read a book on this subject... -
How to Obtain Applet -servlet communication through https protocol
We are trying to use https protocol.
First I will explain Our Architecture. We are using JRun 3.0
as servlet engine. We are using iplanet as a webserver.
There are two iplanet webservers.
There is a firewall between two iPlanet servers. i.e, one webserver
is outside the firewall. JRun is communicating with inside iplannett
webserver and inside iplannett webserver is communicating with
outside iplannet server.
If we are trying to run the application with
this firewall, our applet is not loading,
but the servlets and jsp pages are all working fine.
Without the firewall, everything is working fine.
The applet is also working fine.
But, with the firewall, our applet is not loading.
We are using JRE 1.3 as java plug-in.
What is the problem so that the applet is not loading.
and How to resolve this? can anybody give suggestion in this regard?
Thanks in advance.No, I am not getting any security exception for the applet, but I am getting the following exception when working with HTTPS. The same application works fine with the default HTTP protocol
java.net.UnknownServiceException: Input from HTTPS not expected until OutputStream is closed
at sun.plugin.protocol.https.BrowserHttpsURLConnection.getInputStream(Unknown Source)
at JBSchedulerXNew.initReceiveAppointmentData(JBSchedulerXNew.java:122)
at JBSchedulerXNew.initReceiveAppointmentData(JBSchedulerXNew.java:92)
at JBSchedulerXNewDemo.init(JBSchedulerXNewDemo.java:110)
at sun.applet.AppletPanel.run(Unknown Source)
at java.lang.Thread.run(Unknown Source) -
Netscape problem with applet servlet communication
Netscape always seems to get in the way when you use applets, right?
I have a nice set of code from a book that shows how to do applet->servlet stuff.
But although I'm doing this all in the privacy of my own localhost Netscape immediately put a spanner in the works with a security exception and wouldn't let the servlet respond.
Anyone know what to do here.
The answer is to use Internet Explorer, possibly, but I'm in linux, and I can't get Opera to work with java yet.
Anyone got any ideas? Thanks.I encountered a security exception with Netscape in Linux when attempting applet-servlet stuff but that's prpbably because I haven't got the plugin for that yet...in fact I don't know if a plugin is available for sure...let me know if you do. As a matter of fact I plan on using the HTMLConverter this weekend to find out if it'll download a plugin.
The applet-servlet thing runs fine in IE and Netscape on my Windows box as long as the plugins are there and I use the appropriate plugin tags in the HTML
Post what you find out,
Brad -
How to show progress - Applet - Servlet
Hi,
I am new to applet-servlet communication. I have to show the progress at the applet front-end using a JProgressBar for a task being done at the servlet end. I request the gurus on the forum to post any example code for the above situation.Hi,
U will have to use the SwingWorker to popup the JProgressBar, but in here i dont think u will be getting any input from servlet giving the job completed, if u are using jdk1.4.1 u can use
setIndeterminate(true);
I am attaching 2 methods below which i use to display the JProgressBar
Method long task is where i actually call the servlet and in method buildData i create the URLConnection etc
//appletData must implement Serializable
public void buildData(Object appletData)throws Exception
//define servlet name here
ObjectInputStream inputFromServlet = null;
URL studentDBservlet = new URL("MyServlet");
URLConnection servletConnection = studentDBservlet.openConnection();
servletConnection.setDoInput(true);
servletConnection.setDoOutput(true);
servletConnection.setUseCaches(false);
servletConnection.setRequestProperty("Content-Type", "application/octet-stream");
ObjectOutputStream outputToServlet =
new ObjectOutputStream(servletConnection.getOutputStream());
// serialize the object
if (!SwingUtilities.isEventDispatchThread())
outputToServlet.writeObject(input);
outputToServlet.flush();
outputToServlet.close();
inputFromServlet = new ObjectInputStream(servletConnection.getInputStream());
else
inputFromServlet = longTask(servletConnection, outputToServlet, appletData);
private ObjectInputStream longTask(final URLConnection servletConnection,
final ObjectOutputStream outputToServlet,
final Object appletData)
final JDialog dialog = new JDialog(PlanApplet.appletFrame, "Please Wait", true);
isProcess = true;
MapsPanel panel = new MapsPanel();
panel.setLayout(new BoxLayout(panel, BoxLayout.Y_AXIS));
//MapsLabel label = new MapsLabel("Work in process....");
//label.setFont(Constant.bigFont);
//label.setPreferredSize(new Dimension(230, 40));
JProgressBar progressBar = new JProgressBar();
progressBar.setIndeterminate(true);
progressBar.setPreferredSize(new Dimension(140, 30));
// final JugglerLabel jugLabel = new JugglerLabel();
// jugLabel.startAnimation();
// panel.setPreferredSize(new Dimension(175, 175));
MapsPanel progressPanel = new MapsPanel(new FlowLayout(FlowLayout.CENTER, 5, 5));
progressPanel.setPreferredSize(new Dimension(140, 80));
progressPanel.add(progressBar);
// progressPanel.add(jugLabel);
// panel.add(Box.createVerticalStrut(5));
//panel.add(label);
panel.add(Box.createVerticalStrut(15));
panel.add(progressPanel);
panel.add(Box.createVerticalStrut(15));
dialog.setSize(150, 115);
dialog.setResizable(false);
// dialog.getContentPane().add(jugLabel);
dialog.getContentPane().add(panel);
dialog.setDefaultCloseOperation(JDialog.DO_NOTHING_ON_CLOSE);
dialog.setLocation(ScreenSize.getDialogLocation(dialog));
// final javax.swing.Timer popupTimer = new javax.swing.Timer(2000, new TimerListener(dialog));
final SwingWorker worker = new SwingWorker()
public Object construct()
try
PlanApplet.applet.setCursor(new Cursor(Cursor.WAIT_CURSOR));
outputToServlet.writeObject(appletData);
outputToServlet.flush();
outputToServlet.close();
return new ObjectInputStream(servletConnection.getInputStream());
catch (Exception exc)
return null;
public void finished()
// jugLabel.stopAnimation();
dialog.dispose();
Toolkit.getDefaultToolkit().beep();
isProcess = false;
LogWriter.out("the long process is finished", LogWriter.BASIC);
worker.start();
// popupTimer.start();
//System.out.println("Process complete");
dialog.show();
// while(isProcess)
return (ObjectInputStream) worker.getValue(); -
Applet/servlet communication for byte transmission
Hello all !
I wrote an applet to transfer binary file from web servlet (running under Tomcat 5.5) to a client (it's a signed applet) but I have a problem of interpretation of byte during transmission.
the code of the servlet is :
response.setContentType("application/octet-stream");
ServletOutputStream sos = response.getOutputStream();
FileInputStream fis = new FileInputStream(new File(
"C:\\WINDOWS\\system32\\setup.bmp"));
byte[] b = new byte[1024];
int nbRead = 1;
while (nbRead > 0) {
nbRead = fis.read(b);
System.out.println("octets lus = " + nbRead);
sos.write(b, 0, nbRead-1);
fis.close();
sos.close();et le code de l'applet qui appelle cette servlet est :
URL selicPortal = null;
try {
selicPortal = new URL(
"http://localhost:8080/AppletTest/servlet/FileManipulation");
} catch (MalformedURLException e) {
e.printStackTrace();
URLConnection selicConnection = null;
try {
selicConnection = selicPortal.openConnection();
} catch (IOException e) {
e.printStackTrace();
selicConnection.setDoInput(true);
selicConnection.setDoOutput(true);
selicConnection.setUseCaches(false);
selicConnection.setRequestProperty("Content-Type",
"application/octet-stream");
try {
InputStream in = selicConnection.getInputStream();
FileOutputStream fos = new FileOutputStream(new File(tempDir
+ "\\toto.bmp"));
byte[] b = new byte[1024];
int nbRead = in.read(b);
while (nbRead > 0) {
fos.write(b);
in.close();
fos.close();
} catch (IOException ioe) {
ioe.printStackTrace();
}the file dowloaded is broken. it seems that bytes 01 00 or 00 01 are not correctly process.
Some ideas to help me please ?hi,
have you solved this issue.. please post me the code since i m also doing the applet/servlet communication and can use your code as reference.
how to read the content placed in the urlConnection stream in the servlet
Below is my code in applet
public void upload(byte[] imageByte)
URL uploadURL=null;
try
uploadURL=new URL("<url>");
URLConnection urlConnection=uploadURL.openConnection();
urlConnection.setDoInput(true);
urlConnection.setDoOutput(true);
urlConnection.setUseCaches(false);
urlConnection.setRequestProperty("Content-type","application/octet-stream");
urlConnection.setRequestProperty("Content-length",""+imageByte.length);
OutputStream outStream=urlConnection.getOutputStream();
outStream.write(imageByte);
outStream.close();
catch(MalformedURLException ex)
catch(IOException ex)
How can i read the byte sent on the outstream (in above code) in the servlet.
Thanks,
Mclaren -
Is there a good advanced review on applet-servlet communication
I am working on a web application and unfortunately experiencing a lot of trouble trying to use an applet as front end which interacts with a couple of servlets running on Tomcat. I need to get data from one servlet and send data to another.
There is a lot of messages posted in this and other forums about how to do this, but none of them got a response pointing to a useful advanced reference on this subject. I have reviewed some of the references given, but couldn't find a thorough detailed advanced reference on applet-servlet communication. For this I mean an exhaustive explanation of the mechanism of communication and when and when is neccesary to use each of the multiple configuration possibilities regarding content-type, message-length, request-method, connection settings, and so on.
Would anybody be so kind to show me the right direction? As I read the (literally) hundreds of messages posted on this topic, I see this info as widely useful. Most of the topic tracks ends on void or with painful no-way sentences, and maybe many people is avoiding Java technology on web application because of this problem (development delays can abort a project).This sample chapter in Java developers' guide to Servlets and Jsp focuses on Applet-Servlet communication, is a pretty good one, and is free :
http://www.javaranch.com/bunkhouse/samps/2809ch12.pdf
As to an exhaustive & complete guide that covers absolutely everything, I may be wrong but I doubt you'll find anything like that...unless there is a book somewhere dedicated to the subject. -
Applet-Servlet or RMI - which is better
We are in the process of developing a swing-applet based system that requires regular interaction with multiple databases residing on more than one database server.
The options available before us, as we evaluate are:
a. Use "signed" applets ( as this is going to be essentially an intra-net application) and use JDBC connection to connect to more than one database ( which reside on servers other than the web server).
b. Use applet - servlet communication - basically, the servlet would establish connection to the databases, directly or through EJB, retrieve necessary database information and pass on the objects to the applet - the front end GUI would be controlled by the applet.
c. Use RMI
We would like to have your perspective of the three options, with your experience in this line.
The questions that come to us are:
a. If the system is essentially an intra-net application, is it okay to design with "signed" applet mechanism - how far is this method common in the market and acceptable to the clients? Is it true that the signed applet would be able to establish connection to various "identified servers" that are allowed permissions in the security file?
b. Between applet-servlet and RMI, which is a better method? What should be the factors that need to be considered? Is RMI being widely used or should we be thinking in terms of EJB, eventhough the current project is purely a Java based solution.
Your input is highly appreciated - thanking in advance for any suggestions and inputs that you may provide.
Thanks
DixieDixie,
1) IMHO signed applets are not widely used, but you can use
ordinary applets, which are accessing other resources through
redirector servlet on server side - I mean ordinary applets
are prohibited to establish connect to other than it's own server.
So you will be forced to have special servlet on your server,
which have access to other resources on other servers - this is a
way how to avoid applets limitation.
2) RMI is a heavy solution, because all parameters/objects should
be serialized over net and if network connection is unreliable
working with system will be just a nighmare.
3) If you think that your network connection is unreliable, you can use HTTP protocol between client and server instead of RMI. In this case
you will have following benefits:
i) You can still use all of powerness of thick client
ii) Network unreliability will be defeated
iii) Sometime if you would like to port your application to a thin
client it will be done much more easier than in case of RMI
4) If you would like to use thin client your only problem will
be poorness of UI - if you can go with it - go ahead! Otherwise
use thick client with RMI or HTTP depending on quality of network.
Paul -
Applet/Servlet communication - StreamCorruptedException
Hi, I'm having a problem when I try to connect to a servlet. I am using applet/servlet communication. The problem only occurs when I have lauched a crystal report via http in a new window.
After the report is launched if I try to hit my servlet I get the following error:
java.io.CorruptedStreamException: invalid stream header
Not all crystal reports I launch cause this behavior but I can see nothing in the url I use to launch the report that is out of place or different than other reports.
APPLET-SERVLET CONNECTION
try {
StringBuffer path = new StringBuffer();
path.append(ip);
path.append("servlet/DatabaseServlet?");
path.append("option=getRecords&query=").append(URLEncoder.encode(query,"UTF-8"));
URL url = new URL(path.toString());
URLConnection servletConnection = url.openConnection();
servletConnection.setUseCaches(false);
servletConnection.setDoInput(true);
servletConnection.setDoOutput(true);
servletConnection.setRequestProperty("Content-Type", "application/x-java-serialized-object");
ObjectInputStream inputFromServlet = new ObjectInputStream(servletConnection.getInputStream());
rc = (RecordCollection) inputFromServlet.readObject();
inputFromServlet.close();
} catch (Exception e) {
e.printStackTrace();
SERVLET CODE
Forwards to doPost
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
System.out.println("session id: " + request.getSession().getId());
this.doPost(request, response);
LAUNCHING REPORT FROM APPLET
try {
String launchURL = host + directory + report + "?promptOnRefresh=0"+ "&" +
authentication + "&" + key + "&" + startPeriods + "&" + reportYears + "&" + reportTitle + "&" endPeriods "&" + locations + "&" + reportPeriod + "&" + fiscalWeek + "&" + fiscalYear + "&" +time;
context.showDocument(new URL(launchURL), "_blank");
} catch (Exception ex) {
ex.printStackTrace();
SAMPLE URL THAT CAUSES PROBLEM
http://localhost:113/Reports/OpenToBuy_3.class?promptOnRefresh=0&user0=rpuser&password0=er34sw1&[email protected]=rpuser&[email protected]=er34sw1&user0@sub2=rpuser&[email protected]=er34sw1&promptex-key="L","L1","ALL"&promptex-start="1"&promptex-years="2004","2004"&promptex-title="Report Title"&promptex-end="1"&promptex-locs="01","03","04","05"&promptex-period="Feb 2004 [04-01]"&promptex-cw="1"&promptex-cy="2004"&promptex-time=-2-52728"
Everything works fine until I launch this report then I can no longer get data from my servlet. I thought the URL lenght for the report might be the problem but I lauch a report with a URL longer than the problem one and there I don't get the errors after. When I try to connect to the servlet the println statement in the doGet method of my servlet doesn't get printed so it's not even making it inside that method in the servlet.
Anyone have any idea what could be causing this? Anyone have any ideas what would be causing this? I'm really stumped.I've seen this problem before. Because your accessing a complete URL (ie http://<host>:<port>/xxx), you are actually creating a new session. Whenever the applet opens a connection to a servlet it is running on it's own session not the same as the JSP. This is rather obvious since the Page and Applet are separate entities.
Try sending authentication with the url. I think the syntax is:
username:password@http://localhost/xxx
However I'm not sure how well this might work for Tomcat. As for Java it may try and throw a MalformedURLException I would have to test it first - it's been a long time since I used this technique!
Wish I could be more help,
Anthony -
Max heap reached:Route Servlet:Out of memory
Hi All,
I have used max possible -Xmx value on a 32 bit Windows machine,
while starting oc4j from command line and the routeserver
initialization failed.
Did anyone face this issue or has any idea on how to initialize route servlet without errors
after reaching the max -Xmx value? Should we further partition the data?
Thank you,
-JHI
On windows we have a limitation that heap cannot be more than 2gb.
You can have 2 JVM and check if it helps.
First and foremost you need to find whether there no objects leak in the code.
Cheers
Priya -
Communication between Applets & Servlets
How do you communicate in between Applets & Servlets ?
http://forum.java.sun.com/thread.jsp?forum=45&thread=525518&start=0&range=15#2519429
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Anyone know how to reach someone in customer service who will not out and out LIE to us?
Just so frustrated right now... in the near week since my husband's iPhone was stolen, we have spoken to four different reps and three so-called supervisors. Each one has either made the problem worse or actually lied to us. Does anyone know how to reach someone at Verizon who will help us? We have three iPhones with Verizon and are ready to leave for AT&T.
So far, this is what we've had:
1. As we were tracking the phone with the police to get it back, Verizon tech support advised us to wipe the phone because we'd still be able to track it. WRONG. Phone lost forever. Verizon clearly does not understand what "wipe" means on MobileMe. What they should have said is, "We don't know for sure, so don't wipe it."
2. Rep transferring my husband's phone number to a backup handset transferred MY number to that phone, deactivated MY iPhone and reported it as stolen. When they were trying to fix it, we were assured that our unlimited data plan would not be affected. WRONG. Reps are now refusing to give it back.
3. Next rep advised us to get insurance on the phones because if anything happens, they are replaced for free. WRONG. $199 deductible, which we found out from the next rep.
4. The supervisor we spoke to yesterday said she would pull the tapes from the call center, review them to make sure that IT gave us the wrong information, and then call us back the next day with a discounted rate on a new iPhone. She gave us her name and direct number... both of which were bogus. The number goes to a media specialist at some public school. Subsequent reps have told us that there is no way anyone at Verizon would say that.
5. We have been promised three times that a supervisor would call us within 24 hours... almost a week later, no calls from anyone.
So if anyone has any leads on how to speak to someone who will make this nightmare go away, please, please, let me know. Thank you.feochadan wrote:
Thanks to this board, my problems were solved! This thread can probably be deleted.
The point of this board, being a peer to peer forum, is so that people can learn how to resolve issues that others have already gone through. Please let us know how it was resolved so that others in the future with the same issues can be assisted. -
How to call a servlet in new window without toolbar from OA page
How to call a servlet in new window without toolbar from a OA page?Please provide sample code
I have tried with the way suggested in Mukul's blog using javascript in Destination URI property.
I tried to open a OA Page and from which forwarded it to a servlet..
It is showing the error:
Error Page
Exception Details.
oracle.apps.fnd.framework.OAException: The application id or shortname () you entered does not exist.
at oracle.apps.fnd.framework.webui.OAPageErrorHandler.prepareException(OAPageErrorHandler.java:1223)
at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:1969)
at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:502)
at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:423)
at oa_html._OA._jspService(_OA.java:86)
at oracle.jsp.runtime.HttpJsp.service(HttpJsp.java:119)
at oracle.jsp.app.JspApplication.dispatchRequest(JspApplication.java:385)
at oracle.jsp.JspServlet.doDispatch(JspServlet.java:259)
at oracle.jsp.JspServlet.internalService(JspServlet.java:178)
at oracle.jsp.JspServlet.service(JspServlet.java:148)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:588)
at oracle.jsp.provider.Jsp20RequestDispatcher.forward(Jsp20RequestDispatcher.java:162)
at oracle.jsp.runtime.OraclePageContext.forward(OraclePageContext.java:175)
at oa_html._OA._jspService(_OA.java:96)
at oracle.jsp.runtime.HttpJsp.service(HttpJsp.java:119)
at oracle.jsp.app.JspApplication.dispatchRequest(JspApplication.java:385)
at oracle.jsp.JspServlet.doDispatch(JspServlet.java:259)
at oracle.jsp.JspServlet.internalService(JspServlet.java:178)
at oracle.jsp.JspServlet.service(JspServlet.java:148)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:588)
at org.apache.jserv.JServConnection.processRequest(JServConnection.java:456)
at org.apache.jserv.JServConnection.run(JServConnection.java:294)
at java.lang.Thread.run(Thread.java:534)
## Detail 0 ##
oracle.apps.fnd.framework.OAException: The application id or shortname () you entered does not exist.
at oracle.apps.fnd.framework.webui.OAWebBeanFactoryImpl.getAppId(OAWebBeanFactoryImpl.java:5391)
at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:969)
at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:502)
at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:423)
at oa_html._OA._jspService(_OA.java:86)
at oracle.jsp.runtime.HttpJsp.service(HttpJsp.java:119)
at oracle.jsp.app.JspApplication.dispatchRequest(JspApplication.java:385)
at oracle.jsp.JspServlet.doDispatch(JspServlet.java:259)
at oracle.jsp.JspServlet.internalService(JspServlet.java:178)
at oracle.jsp.JspServlet.service(JspServlet.java:148)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:588)
at oracle.jsp.provider.Jsp20RequestDispatcher.forward(Jsp20RequestDispatcher.java:162)
at oracle.jsp.runtime.OraclePageContext.forward(OraclePageContext.java:175)
at oa_html._OA._jspService(_OA.java:96)
at oracle.jsp.runtime.HttpJsp.service(HttpJsp.java:119)
at oracle.jsp.app.JspApplication.dispatchRequest(JspApplication.java:385)
at oracle.jsp.JspServlet.doDispatch(JspServlet.java:259)
at oracle.jsp.JspServlet.internalService(JspServlet.java:178)
at oracle.jsp.JspServlet.service(JspServlet.java:148)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:588)
at org.apache.jserv.JServConnection.processRequest(JServConnection.java:456)
at org.apache.jserv.JServConnection.run(JServConnection.java:294)
at java.lang.Thread.run(Thread.java:534)
oracle.apps.fnd.framework.OAException: The application id or shortname () you entered does not exist.
at oracle.apps.fnd.framework.webui.OAWebBeanFactoryImpl.getAppId(OAWebBeanFactoryImpl.java:5391)
at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:969)
at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:502)
at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:423)
at oa_html._OA._jspService(_OA.java:86)
at oracle.jsp.runtime.HttpJsp.service(HttpJsp.java:119)
at oracle.jsp.app.JspApplication.dispatchRequest(JspApplication.java:385)
at oracle.jsp.JspServlet.doDispatch(JspServlet.java:259)
at oracle.jsp.JspServlet.internalService(JspServlet.java:178)
at oracle.jsp.JspServlet.service(JspServlet.java:148)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:588)
at oracle.jsp.provider.Jsp20RequestDispatcher.forward(Jsp20RequestDispatcher.java:162)
at oracle.jsp.runtime.OraclePageContext.forward(OraclePageContext.java:175)
at oa_html._OA._jspService(_OA.java:96)
at oracle.jsp.runtime.HttpJsp.service(HttpJsp.java:119)
at oracle.jsp.app.JspApplication.dispatchRequest(JspApplication.java:385)
at oracle.jsp.JspServlet.doDispatch(JspServlet.java:259)
at oracle.jsp.JspServlet.internalService(JspServlet.java:178)
at oracle.jsp.JspServlet.service(JspServlet.java:148)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:588)
at org.apache.jserv.JServConnection.processRequest(JServConnection.java:456)
at org.apache.jserv.JServConnection.run(JServConnection.java:294)
at java.lang.Thread.run(Thread.java:534) -
How to place a servlet file in Tomcat 5.0?
Hi,
i'm using Apache Tomcat 5.0 as myweb server.i don't know how to set the class path and where to place my servlet and html files,and how to run my servlet file.if anybody knows plz give me a detailed description abt this topic.Look at the directory structure of your Tomcat installation directory. You will see a webapps directory under that. The Tomcat installation comes with samples ready to run. Look at those and create a similar directory structure under webapps for your application. I don't think you need to worry about classpath. Tomcat should be taking care of all that if you create the proper directory structure.
You run your servlet by specifying a url like:
localhost:8080/servlets-examples/from a browser. This assumes that your installation is using port 8080 which I think is the norm for Tomcat. Here "servlets-examples" is the name of the directory you created. Actually Tomcat 5.0 comes with a "servlets-examples" application. This would be a good directory to look at. You could also run their examples to get a feel for it.
If you are new to servlets, you'll probably have to get a book that explains how things need to be set up. You'll need to create a web.xml for your application. If you look at the servlets-examples directory under webapps, you'll see that it has a WEB-INF directory under it and that directory contains a file called web.xml as well as a sub-directory called classes. This structure is standard accross all application servers because it corresponds to the war (wars are specialized types of jars for web apps) file standard.
Maybe you are looking for
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