date:20090911

[java ee programming] java socket question

2009-09-11 Thread ioan-eugen stan


Hello,


I'm writing a c++ server and a java client that connects to it. The
client connects to the server (TCP), sends a message and gets a echo
reply every time, so the two can speak freely. But i'm puzzeled
because
I want the server to send data to the client when an event happens (I
push a button on the server). When te event occurs the server sends
the
string, but the client does't receive it until it does a send/receive
reply when it receives both the event string and the echo string.

I implemented socket read into a separeted thread:

public class Cititor implements Runnable{

private Socket skt ;
private BufferedReader in;
private PrintWriter out ;
private Boolean connected ;
private javax.swing.JTextArea afis;

public Cititor(Socket skt, BufferedReader in, PrintWriter out,
Boolean connected, JTextArea afis) {
this.skt = skt;
this.in = in;
this.out = out;
this.connected = connected;
this.afis = afis;
}


public void run(){
  System.out.println(să citim mesajele  + connected);
  String inputLine = new String(), outputLine;

do {
try {

Thread.sleep(100);

if (connected) {
try {
//out.print( );
out.flush();
inputLine = in.readLine();
if (!inputLine.equals( ))
afis.append(inputLine + \n);
System.out.println(inputLine);
} catch (IOException e) {
System.err.println(Excepție citire din
socket!);
}
}
} catch (InterruptedException ex) {
Logger.getLogger(Chat.class.getName()).log
(Level.SEVERE,
null, ex);
}
}while (inputLine.equals(pa!) == false) ;

}


In the main class init method I have this:

 myCititor = new Cititor(skt,in,out,connected,afisare);
Thread t = new Thread ( myCititor);
t.start();


And to send messages to the server I push a button:

   private void trimiteActionPerformed(java.awt.event.ActionEvent evt)
{
if (connected)
out.println(textTrimite.getText());
else
System.out.println(No connection);
}


The server uses a switch statement with FD_READ,FD_ACCEPT and FD_CLOSE
(processing WSAGETSELECT event - WsAsync), and sends when a button is
pushed (I'm using windows events button clicked).

The trying to make the server capable of informing the client when an
event occurs. The server is used for monitoring certain activities.
But
the client does't receive unless it sends and waits for a reply.
What am I doing wrong?

Regards,
-- stan ioan-eugen

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[java ee programming] Re: java socket question

2009-09-11 Thread Fiveholiday


It is not always possible for servers to report anything to the clients, 
unless ofcourse, the client is connected to the server. The only way that 
could happen is if the client doubles as a server too, that way, it gets 
notifications from other clients.

Or maybe I didn't get your question correctly -
Again we'd need the C++ code to see where you're going wrong.

--
Evans

- Original Message - 
From: ioan-eugen stan stan.ieu...@gmail.com
To: Java EE (J2EE) Programming with Passion! 
java-ee-j2ee-programming-with-passion@googlegroups.com
Sent: Friday, September 11, 2009 10:13 AM
Subject: [java ee programming] java socket question



Hello,


I'm writing a c++ server and a java client that connects to it. The
client connects to the server (TCP), sends a message and gets a echo
reply every time, so the two can speak freely. But i'm puzzeled
because
I want the server to send data to the client when an event happens (I
push a button on the server). When te event occurs the server sends
the
string, but the client does't receive it until it does a send/receive
reply when it receives both the event string and the echo string.

I implemented socket read into a separeted thread:

public class Cititor implements Runnable{

private Socket skt ;
private BufferedReader in;
private PrintWriter out ;
private Boolean connected ;
private javax.swing.JTextArea afis;

public Cititor(Socket skt, BufferedReader in, PrintWriter out,
Boolean connected, JTextArea afis) {
this.skt = skt;
this.in = in;
this.out = out;
this.connected = connected;
this.afis = afis;
}


public void run(){
  System.out.println(să citim mesajele  + connected);
  String inputLine = new String(), outputLine;

do {
try {

Thread.sleep(100);

if (connected) {
try {
//out.print( );
out.flush();
inputLine = in.readLine();
if (!inputLine.equals( ))
afis.append(inputLine + \n);
System.out.println(inputLine);
} catch (IOException e) {
System.err.println(Excepție citire din
socket!);
}
}
} catch (InterruptedException ex) {
Logger.getLogger(Chat.class.getName()).log
(Level.SEVERE,
null, ex);
}
}while (inputLine.equals(pa!) == false) ;

}


In the main class init method I have this:

 myCititor = new Cititor(skt,in,out,connected,afisare);
Thread t = new Thread ( myCititor);
t.start();


And to send messages to the server I push a button:

   private void trimiteActionPerformed(java.awt.event.ActionEvent evt)
{
if (connected)
out.println(textTrimite.getText());
else
System.out.println(No connection);
}


The server uses a switch statement with FD_READ,FD_ACCEPT and FD_CLOSE
(processing WSAGETSELECT event - WsAsync), and sends when a button is
pushed (I'm using windows events button clicked).

The trying to make the server capable of informing the client when an
event occurs. The server is used for monitoring certain activities.
But
the client does't receive unless it sends and waits for a reply.
What am I doing wrong?

Regards,
-- stan ioan-eugen




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[java ee programming] class ActionError

2009-09-11 Thread daniel vargas


Hello,

I'm new programing struts. Thanks in advance to undertand my poor knowledge.

I'm trying to run struts-submit-solution project but i get the following 
error:

C:\strutsbasics\samples\struts-submit-exercise4-solution\src\java\submit\SubmitForm.java:80:
 cannot find symbol
symbol  : class ActionError
location: class submit.SubmitForm
errors.add(Last Name, new ActionError(error.lastName));

Thanks,

Daniel


  

¡Obtén la mejor experiencia en la web!
Descarga gratis el nuevo Internet Explorer 8. 
http://downloads.yahoo.com/ieak8/?l=e1

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[java ee programming] Re: Populating the E xample Database needs password file‏

2009-09-11 Thread Rafael Padron

Any other choice is getting Textpad as well.

Regards,
Rafael.

From: Alin Dumitrescu dorud...@gmail.com
To: j2ee passion java-ee-j2ee-programming-with-passion@googlegroups.com
Sent: Thursday, September 10, 2009 9:47:21 AM
Subject: [java ee programming] Re: Populating the Example Database needs 
password file‏

For development purposes, if you don’t want to use the NetBeans to edit your 
files(.java or .properties or .xml or dotwhatever)
try to use the Notepad++, it knows a lot of file types, you’ll love it.
http://notepad-plus.sourceforge.net/uk/site.htm
Happy coding!

From:java-ee-j2ee-programming-with-passion@googlegroups.com 
[mailto:java-ee-j2ee-programming-with-pass...@googlegroups.com] On Behalf Of 
peeter brunch
Sent: September-10-09 3:22 AM
To: migat...@gmail.com; j2ee passion
Subject: [java ee programming] Re: Populating the Example Database needs 
password file‏

Hi everyone,

I used notepad to open the property file and rename the file. Now all the 
problems have gone. Thanks for the help.

Cheers

From: peeterbru...@hotmail.com
To: migat...@gmail.com; java-ee-j2ee-programming-with-passion@googlegroups.com
Subject: RE: [java ee programming] Re: Populating the Example Database needs 
password file‏
Date: Thu, 10 Sep 2009 04:45:04 +

Thanks for the clue. I have edited my build.properties file to include the 
passwordfile definition. But the build returned with the same failure message 
javaee.server.passwordfile not specified.

My changes to the build.properties file are highlighted as below:
# Set the property javaee.home, using the path to your 
# GlassFish installation.
# C:/Program Files/glassfish-v3 is the GlassFish v3 default installation 
# path on Windows.
# 
javaee.home=C:/Program Files (x86)/sges-v3-prelude

# Set the property javaee.tutorial.home to the location where you 
# installed the Java EE Tutorial bundle.
#
javaee.tutorial.home=E:/techdoc/J2ee/javaee-5-doc-tutorial-1.0_05/javaeetutorial5

# machine name (or the IP address) where the applications will be deployed.
javaee.server.name=localhost

# port number where GlassFish applications are accessed by users
javaee.server.port=8080

# port number where the Admin Console of GlassFish is available
javaee.adminserver.port=4848

# Uncomment the property javaee.server.username, 
# and replace the administrator username of the app-server 
javaee.server.username=admin

# Uncomment the property javaee.server.passwordfile, 
# and replace the followingline to point to a file that 
# contains the admin password for your app-server. 
# The file should contain the password in the following line: 
#
# AS_ADMIN_PASSWORD=adminadmin
#
# Notice that the password is adminadmin since this is 
# the default password used by GlassFish.
#
javaee.server.passwordfile=${javaee.tutorial.home}/examples/common/admin-password.txt

appserver.instance=server

# Uncomment and set this property to the location of the browser you 
# choose to launch when an application is deployed.
# On Windows and Mac OS X the OS default browser is used.
#default.browser=/Applications/Firefox.app/Contents/MacOS/firefox-bin

# Database vendor property for db tasks
# JavaDB is the default database vendor. See the settings in javadb.properties
db.vendor=javadb

# Digital certificate properties for mutual authentication
keystore=${javaee.tutorial.home}/examples/jaxws/simpleclient-cert/support/client_keystore.jks
truststore=${javaee.home}/domains/domain1/config/cacerts.jks
keystore.password=changeit
truststore.password=changeit

Is anything wrong with my changes? I use MS WORD to open the sample file and 
edit/save the changes(since I do not have the right software to open the sample 
or properties  type file type in Window Vista). I renamed the file with 
Properties extension after saving the file. Would it be possible that Word 
would corrupt the properties file or its internal format so Build process is 
unable to read the file properly.The size of the original sample file is 2KB 
but the edited file is 13KB. 

I am attaching my property file for perusing. 

Can anyone whose has successfully populating the Bookstore1 example database 
send me their build.propertiies file so I can use it to build my database? 
Thanks in advance.

P.S:
I always try to send mail without an attachment. But I cannot cut and paste 
the screen shots from Dos command prompt terminal windows. Pls advise if there 
is any proper method to cut and paste text content from Dos. Sorry for 
the inconvenience if that this might cause.

 Date: Tue, 8 Sep 2009 20:36:58 -0700
 Subject: [java ee programming] Re: Populating the Example Database needs 
 password file‏
 From: migat...@gmail.com
 To: java-ee-j2ee-programming-with-passion@googlegroups.com

 On 8 sep, 11:41, peeter brunch peeterbru...@hotmail.com wrote:
  During the build of Example Database for Bookstore1 project, the build 
  process

[java ee programming] Re: class ActionError

2009-09-11 Thread Evans


Looks like struts.jar is not available on the classpath. You need it to run 
your code.

-
Evans
http://valashiya.blogspot.com

- Original Message - 
From: daniel vargas danielseb...@yahoo.com
To: java-ee-j2ee-programming-with-passion@googlegroups.com
Sent: Friday, September 11, 2009 1:32 PM
Subject: [java ee programming] class ActionError



Hello,

I'm new programing struts. Thanks in advance to undertand my poor knowledge.

I'm trying to run struts-submit-solution project but i get the following 
error:

C:\strutsbasics\samples\struts-submit-exercise4-solution\src\java\submit\SubmitForm.java:80:
 
cannot find symbol
symbol  : class ActionError
location: class submit.SubmitForm
errors.add(Last Name, new ActionError(error.lastName));

Thanks,

Daniel


  

¡Obtén la mejor experiencia en la web!
Descarga gratis el nuevo Internet Explorer 8.
http://downloads.yahoo.com/ieak8/?l=e1




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[java ee programming] Re: Lab 4016

2009-09-11 Thread Alfredo Torres


Hi,

  Solved, The database username and password need to be app in both
cases and the database name sample.

Regards
Alfredo

On Sep 10, 6:08 pm, Alfredo Torres alfredoluis.tor...@gmail.com
wrote:
 Hi,

   I set up the database an create the book table but when i try tu run
 the Web my browser go to

 http://www.fastbrowsersearch.com/results/results.aspx?q=http://localh...{52AD233E-F9A1-C526-C4A9-09AD445803DB}

 Anuone know the solution for this?

 Thanks in advance

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[java ee programming] Re: class ActionError

2009-09-11 Thread Julian Rivera Pineda

I think you are using Netbeans 6.7.1 that comes with struts 1.3.8 version , for 
running this samples I think you need struts 1.2.x download it from 
(http://archive.apache.org/dist/struts/binaries/struts-1.2.9-bin.zip) , then 
remove struts 1.38 from the project and add the jars that comes with 
struts-1.2.9-bin distribution y try to execute the sample again.

Regards

 Julian Rivera Pineda
Java Helper Rover





From: daniel vargas danielseb...@yahoo.com
To: java-ee-j2ee-programming-with-passion@googlegroups.com
Sent: Friday, 11 September, 2009 6:32:20
Subject: [java ee programming] class ActionError


Hello,

I'm new programing struts. Thanks in advance to undertand my poor knowledge.

I'm trying to run struts-submit-solution project but i get the following 
error:

C:\strutsbasics\samples\struts-submit-exercise4-solution\src\java\submit\SubmitForm.java:80:
 cannot find symbol
symbol  : class ActionError
location: class submit.SubmitForm
errors.add(Last Name, new ActionError(error.lastName));

Thanks,

Daniel


  

¡Obtén la mejor experiencia en la web!
Descarga gratis el nuevo Internet Explorer 8. 
http://downloads.yahoo.com/ieak8/?l=e1



  
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To post to this group, send email to
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[java ee programming] LAB-4016 Build and run bookstore4-jndi sample application

2009-09-11 Thread Alfredo Torres


Hi,

I follow the steps to create the jdbc resource and morify the derby
pool in the admin console in Glassfish 3.0 prelude.

But when i try to run the sample Web bookstore4-jndi i receive this
exception:

java.lang.NoClassDefFoundError: org/apache/derby/client/am/
FailedProperties40

Where is supose to be that class?? or i have to addd something to the
classpath?

Thanks in advance

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[java ee programming] Re: LAB-4016 Build and run bookstore4-jndi sample application

2009-09-11 Thread Julian Rivera Pineda

Maybe this thread solves your question:

http://groups.google.com/group/java-ee-j2ee-programming-with-passion/tree/browse_frm/month/2007-07/86b9609fadef2ce9?rnum=31_done=%2Fgroup%2Fjava-ee-j2ee-programming-with-passion%2Fbrowse_frm%2Fmonth%2F2007-07%3F#doc_811dc96b333000dc

 Julian Rivera Pineda
Java Helper Rover





From: Alfredo Torres alfredoluis.tor...@gmail.com
To: Java EE (J2EE) Programming with Passion! 
java-ee-j2ee-programming-with-passion@googlegroups.com
Sent: Friday, 11 September, 2009 9:41:04
Subject: [java ee programming] LAB-4016 Build and run bookstore4-jndi sample 
application


Hi,

I follow the steps to create the jdbc resource and morify the derby
pool in the admin console in Glassfish 3.0 prelude.

But when i try to run the sample Web bookstore4-jndi i receive this
exception:

java.lang.NoClassDefFoundError: org/apache/derby/client/am/
FailedProperties40

Where is supose to be that class?? or i have to addd something to the
classpath?

Thanks in advance



  
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[java ee programming] Re: Populating the E xample Database needs password file‏

2009-09-11 Thread Mihai DINCA

Hi, as we're talking about: I like PSPad http://www.pspad.com;. It is
really freeware (not shareware or the community release with less
functions than the commercial one or so) with all functions, it is light ...
Regards,
mihai

Rafael Padron a écrit :
Any other choice is getting Textpad as well.

Regards,
Rafael.

*From:* Alin Dumitrescu dorud...@gmail.com
*To:* j2ee passion
java-ee-j2ee-programming-with-passion@googlegroups.com
*Sent:* Thursday, September 10, 2009 9:47:21 AM
*Subject:* [java ee programming] Re: Populating the Example Database
needs password file‏

For development purposes, if you don’t want to use the NetBeans to
edit your files(.java or .properties or .xml or dotwhatever)

try to use the Notepad++, it knows a lot of file types, you’ll love it.

http://notepad-plus.sourceforge.net/uk/site.htm

Happy coding!

*From:* java-ee-j2ee-programming-with-passion@googlegroups.com
[mailto:java-ee-j2ee-programming-with-pass...@googlegroups.com] *On
Behalf Of *peeter brunch
*Sent:* September-10-09 3:22 AM
*To:* migat...@gmail.com; j2ee passion
*Subject:* [java ee programming] Re: Populating the Example Database
needs password file‏

Hi everyone,

I used notepad to open the property file and rename the file. Now all
the problems have gone. Thanks for the help.

Cheers

From: peeterbru...@hotmail.com
To: migat...@gmail.com;
java-ee-j2ee-programming-with-passion@googlegroups.com
Subject: RE: [java ee programming] Re: Populating the Example Database
needs password file‏
Date: Thu, 10 Sep 2009 04:45:04 +

Thanks for the clue. I have edited my build.properties file to include
the passwordfile definition. But the build returned with the same
failure message *javaee.server.passwordfile not specified.**
*
My changes to the build.properties file are highlighted as below:

# Set the property javaee.home, using the path to your

# GlassFish installation.

# C:/Program Files/glassfish-v3 is the GlassFish v3 default installation

# path on Windows.

javaee.home=C:/Program Files (x86)/sges-v3-prelude

# Set the property javaee.tutorial.home to the location where you

# installed the Java EE Tutorial bundle.

javaee.tutorial.home=E:/techdoc/J2ee/javaee-5-doc-tutorial-1.0_05/javaeetutorial5

# machine name (or the IP address) where the applications will be
deployed.

javaee.server.name=localhost

# port number where GlassFish applications are accessed by users

javaee.server.port=8080

# port number where the Admin Console of GlassFish is available

javaee.adminserver.port=4848

# Uncomment the property javaee.server.username,

# and replace the administrator username of the app-server

javaee.server.username=admin

# Uncomment the property javaee.server.passwordfile,

# and replace the following line to point to a file that

# contains the admin password for your app-server.

# The file should contain the password in the following line:

# AS_ADMIN_PASSWORD=adminadmin

# Notice that the password is adminadmin since this is

# the default password used by GlassFish.

javaee.server.passwordfile=${javaee.tutorial.home}/examples/common/admin-password.txt

appserver.instance=server

# Uncomment and set this property to the location of the browser you

# choose to launch when an application is deployed.

# On Windows and Mac OS X the OS default browser is used.

#default.browser=/Applications/Firefox.app/Contents/MacOS/firefox-bin

# Database vendor property for db tasks

# JavaDB is the default database vendor. See the settings in
javadb.properties

db.vendor=javadb

# Digital certificate properties for mutual authentication

keystore=${javaee.tutorial.home}/examples/jaxws/simpleclient-cert/support/client_keystore.jks

truststore=${javaee.home}/domains/domain1/config/cacerts.jks

keystore.password=changeit

truststore.password=changeit

Is anything wrong with my changes? I use MS WORD to open the sample
file and edit/save the changes(since I do not have the right software
to open the sample or properties type file type in Window Vista). I
renamed the file with Properties extension after saving the file.
Would it be possible that Word would corrupt the properties file or
its internal format so Build process is unable to read the file
properly.The size of the original sample file is 2KB but the edited
file is 13KB.

I am attaching my property file for perusing.

Can anyone whose has successfully populating the Bookstore1 example
database send me their build.propertiies file so I can use it to build
my database? Thanks in advance.

P.S:
I always try to send mail without an attachment. But I cannot cut and
paste the screen shots from Dos command prompt

[java ee programming] Re: Applet lesson

2009-09-11 Thread Alfredo Torres


Hi,

I found a really nice and perfect tutorial for beginners like me

http://java.sun.com/docs/books/tutorial/deployment/applet/index.html

It is a great tutorial

Hope this help someone
Regards
Alfredo

On Sep 11, 1:49 pm, Alfredo Torres alfredoluis.tor...@gmail.com
wrote:
 Hi,

   In the applets lesson, The las one in Web Core Technologies:
 Servlet and JSP just have one link NetBeans IDE Applet Tutorial and
 is broken, so i found this tutorial in replacement.

 http://www.netbeans.org/kb/61/web/applets.html

 Hope this help others
 Regards
 Alfredo
 --
 Saludos
 Alfredo Torres
 Hab.+58 212 9446304
 Cel. +58 416 6118599

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[java ee programming] java socket question

[java ee programming] Re: java socket question

[java ee programming] class ActionError

[java ee programming] Re: Populating the E xample Database needs password file‏

[java ee programming] Re: class ActionError

[java ee programming] Re: Lab 4016

[java ee programming] Re: class ActionError

[java ee programming] LAB-4016 Build and run bookstore4-jndi sample application

[java ee programming] Re: LAB-4016 Build and run bookstore4-jndi sample application

[java ee programming] Re: Populating the E xample Database needs password file‏

[java ee programming] Re: Applet lesson

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