Is OEM (gui client-server) gone in 11g client?
Hi,
I installed 11g client (administrator) in my PC. I can not find the DB console which is available in 10g.
Is it deprecated?
thanks
Hello,
Is there a simplier version of grid control? that can be intalled in my laptop only? and no need to alter the prod servers? In fact, you have 2 kind of "Oracle Enterprise Manager":
- *1.* OEM Database Control (also called DB Console).
- *2.* OEM Grid Control.
These 2 tools are mutually exclusive, you have to choose which one you prefer to use for monitoring the Databases.
The 1st one ( Database Control ) can be configured easily when you create the Database with DBCA or, you can configure it later by using EMCA. It's rather easy, afterwards you have no Client to instal, just an URL to know and a supported Web Browser.
The Database Control has a Repository on the Database (Schema SYSMAN) and uses some specific Directories on the Server side.
With the Database Control you can manage only one Database (i.e. you'll need one DB Console for each Database).
You'll find here a link about Database Control:
http://download.oracle.com/docs/cd/E11882_01/server.112/e17120/dbcontrol001.htm#ADMIN13402
The 2nd one ( Grid Control ) is a complete Application. You'll need a Server (with enough memory and disk) in which you'll create a specific Database for the Repository. You'll have to install the Web Logic layer, and Oracle Management Service ( OMS ). Eventually you'll have the Grid Control which is a true Application Server.
Afterwards, you'll have to install and deploy the Oracle Agent to each of your Servers so as to monitore all the Databases (the Targets).
It's a powerful tool, which can let you manage the Databases, the Servers and the Applications (even non-Oracle Application). But this is true it's not a simple installation.
However, you don't have any client side to install. From your Laptop, you'll have just to know the URL and have a supported Browser.
You'll find here some link about the installation of the Grid Control (11gR1):
http://www.oracle.com/technetwork/oem/grid-control/overview/index.html
http://www.oracle-base.com/articles/11g/GridControl11gR1InstallationOnOEL5.php
I personnally like the following image:
http://download.oracle.com/docs/cd/E11857_01/install.111/e16847/firewalls.htm#i1005951
NB: The URL is given at the end of the installation in both case.
Hope this help.
Best regards,
Jean-Valentin
Similar Messages
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Connect to Oracle 9i server using oracle 11g client
Hi,
my oracle 9i server is on unix machine.
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what changes (connection string/tnsnames.ora/others) will I have to do to connect Oracle 9i server using oracle 11g client ?Hi,
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Yoonas -
ODM client not bundled with 11g client install?
All,
Our 10g Oracle Client install includes the Oracle Directory Manager.
We just installed the Administration version of the 11g client and I don't see ODM there.
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Thanks,
JohnOk... despite the overwhelming response on this forum I contacted Apple support to found the solution.
All mac's need internet access to send and receive the Apple Push Notifications. Even if the server is on the same network....
For those behind a firewall / proxy and not quite keen on letting clients have full access; all apple servers are on the 17.0.0.0/8 range.
For thosel looking to restrict even more (http://support.apple.com/kb/HT5302)
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TCP
Used by Profile Manager to send push notifications
5223
TCP
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80/443
TCP
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Kind regards,
Domien -
Client/server program validation - is it possible?
I've been mulling over this problem for a few days, and am starting to wonder if it's theoretically possible to find a solution. I'm not looking for specific code, this probably won't even be implemented in Java, I'm just wondering if there is a theoretical program model that would work in this situation.
The short version:
Validate the data generated by a client program, without knowing the original data.
The long version:
This is a "profiling" system for a MMOG (Massively Multiplayer Online Game). The MMOG is an internet based client/server graphical program where each client connects to the server and they interact with each other and the virtual world. They pay a monthly fee for access to the game. My program is not affiliated with the MMOG or its makers. I have no connections inside the company and cannot expect any cooperation from them.
The "profiling" system is also a client/server model. The client program runs in the background while the MMOG client is active. It accesses the memory of the MMOG client to retrieve information about the player's character. Then, possibly on request or maybe immediately, it sends the character data to our server.
What I want to validate is that the character data being sent is unmodified and actually comes from the MMOG program.
I can reasonably expect that with mild encryption and some sort of checksum or digest, the vast majority of problems can be avoided. However, I am not sure it's possible to completely secure the system.
I assume that the user has access to and knowledge of the profiler client and the MMOG client, their assembly code, and the ability to modify them or create new programs, leveraging that knowledge. I also assume that the user does not have access to or knowledge of either of the server applications - the MMOG server or mine.
In a worst-case scenario, there are several ways they could circumvent any security I have yet been able to think of. For instance, they could set up a fake MMOG client that had the data they wanted in memory, and let the profiler access that instead of the real thing. Or, they could rewrite the profiler to use the data they wanted and still encrypt it using whatever format I had specified.
I have been considering using some kind of buffer overflow vulnerability or remote execution technique that would allow me to run specific parts of the client program on command, or get information by request, something that could not be anticipated prior to execution and thus could not be faked. But this seems not only insecure for the client but also not quite solid enough, depending on how it was implemented.
Perhaps a series of apparently random validation codes, where the client does not know which one actually is doing the validation, so it must honor them all. Again, this is very conceptual and I'm sure that I'm not explaining them very well. I'm open to ideas.
If I don't come up with anything better, I would consider relying on human error and the fact that the user will not know, at first, the relevance of some of the data being passed between client and server. In this case, I would include some kind of "security handshake" that looks like garbage to the client but actually is validated on the server end. A modified program or data file would result in an invalid handshake, alerting the server (and me) that this client was a potential problem. The client would have no idea anything had gone wrong, because they would not know what data the server was expecting to receive.
I hope I have not confused anyone too much. I know I've confused myself....Yes, that is the general model for all MMOGs these days - no data that can actually affect the game is safe if loaded from the client's computer. All character and world data is sent from server to client and stored in memory. Any information that is saved to the client's computer is for reference only and not used by the game engine to determine the results of actions/events etc.
My program accesses the MMOG client's memory while the game is running, and takes the character information from there. It does not have direct access to the MMOG server, and does not attempt to modify the data or the memory. Instead, it just encrypts it and sends it to our server, where the information is loaded into a database.
The security issue comes into play because our database is used for ranking purposes, and if someone were to hack my program, they could send invalid data to our servers and affect the rankings unfairly.
I'm just trying to think of a way to prevent that from happening. -
Client/server - sending ArrayList over network
Hi all
I have have written a multithreaded client/server application where multiple clients connect to the server. For each client, the server spawns a new thread to handle the connected client. When a client connects to the server, the client sends its name to the server. The server stores the name in an ArrayList and sends the whole ArrayList to all the connected clients.
It worked fine a few days ago. But now I have a problem: When I send the ArrayList to all the connected clients then only the newly connected client gets the updated ArrayList while the previously connected clients get the ArrayList that they got previously i.e. they are not updated. If instead of sending an ArrayList, I just send the name of the newly connected client to all other connected clients then it works i.e. each client gets updated with that name. It also works fine if I just send an Integer value to all the clients upon a new connection.
I know the ArrayList implements Serializable, but I dont know how it doesnt work anymore!
Plz help me with this. I have been trying all combinations, but no luck so far.
thank you
taureanthank you jwentling
to make sure that we are on the same page, here is the relevant code.
This method updates the list of the peers' names on the Gui (that extends JFrame).
public void update(final ArrayList dataPacket)
SwingUtilities.invokeLater(new Runnable()
public void run()
setTitle(dataPacket.toString());
peerList.setListData(dataPacket.toArray());
peerList.updateUI();
}This inner class continuously listens to server to get the arraylist that contains the names of the other peers/clients that are connected.
The con varibale is the Connection where I obtain input/output streams for this client.
Note: con.getInputStream() returns ObjectInputStream.
private class Listener implements Runnable
public void run()
while(true)
ArrayList dataPacket = (ArrayList) Receiver.receiveObject(con.getInputStream());
if (dataPacket != null)
update(dataPacket);
}Here is how the static receiveObject() metod looks like:
public static Object receiveObject(ObjectInputStream stream)
Object obj = null;
try
obj = stream.readObject();
catch(ClassNotFoundException cnfe)
System.out.println(cnfe.getMessage());
catch(IOException ioe)
System.out.println(ioe.getMessage());
return obj;
}i think that the receiveObject() method should return the updated list (sent from server), but i get the previoulsy sent list fromt his method!!!
Has it to do something with the stream? I mean could it be that the list is still in the stream (as you pointed out) and instead of the updated list, i just get the one from the stream that i got initially?!
thank you for ur time -
Client/Server application question
Hey everyone,
I am trying to exercise on a client/server application. My client application is similar to this one [http://java.sun.com/developer/onlineTraining/Programming/BasicJava2/Code/SocketClient.java]. However this client works like this: it sends text through socket -> receive response from server. I am trying to find a way so that the client can receive and process messages from the server asynchronously. That is the server can send messages anytime (not just as a response to the client) and the client should always be able to receive messages from the served at any time, and not just after it sent something. I believe that multithreading would be the answer, listening to the output stream and sending through the input stream should be run in parallel, but I can't find a way to implement it. Your help is appreciated. Thank you.I knew that :-) but how exactly?
How do I translate this code into two runnable classes which will communicate with the original class and its gui?
//Send data over socket
String text = textField.getText();
out.println(text);
textField.setText(new String(""));
//Receive text from server
try{
String line = in.readLine();
System.out.println("Text received :" + line);
} catch (IOException e){
System.out.println("Read failed");
System.exit(1);
} -
Why timesten is slow in client/server mode
i am testing Timesten client/server mode and find that
it is to slow.
when using dircet mode, timesten can precoss about 40000 query pre second
but when change to client/ server mode
it can only process 1500 query pre second.
here is my config and test sql.
[Test_tt702]
Driver=//u01/oracle/TimesTen/tt70/lib/libtten.a
DataStore=//u01/oracle/TimesTen/tt70/info/DemoDataStore/Test_tt702
DatabaseCharacterSet=US7ASCII
TempSize=64
PermSize=250
Temporary=1
TypeMode=1
CREATE TABLE TEST999
A1 number NOT NULL PRIMARY KEY ,
A2 number,
A3 number
network card is 1000m,
query code:
PreparedStatement pSel = dbConn.prepareStatement("select a1,a2 from TEST999 where a1=?");
rs = null;
int a1=0;
int a2=0;
for(int i=0;i<80000 ;i++)
pSel.setInt(1,i );
rs=pSel.executeQuery( );
if (rs.next()) {
a1 = rs.getInt(1);
a2 = rs.getInt(2);
if( i%8000==0) {
System.out.println("select "+ i +" res="+a1 +" time " + getTime_v2());
rs.close();
direct mode time : 80000 query is 2 second
client/server mode in the same machine : 80000 query is 12 second
client/server mode in the different machine : 80000 query is 54 second
any one have idea about this?
is it the jdbc driver 's promble?it is to be expected that there will be a big difference in performance between direct mode and client/server due to much greater overhead in client/server, especially if the client is on a different machine. However, the differences you are seeing here are larger than I would normally expect.
You say (I think) that the network is 1 GB, correct? What is the hardware spec of the test machine(s)? Have you tuned the O/S network stack for optimal performance?
Typically, for local client/server using the fastest IPC mode (shmipc) I expect performance of around 20-30% of direct mode and for remote client/server with a GB LAN I would expect performance of around 10-20% of direct mode.
Chris -
Run a report in reports server calling it from a client/server form
How can I run a report in reports server calling it from a client/server form ?
ThanksIn client server mode you can use RUN_PRODUCT built-in. Lookup help for this built-in for more details.
Best of luck! -
File transfer, read write through sockets in client server programming java
Hello All, need help again.
I am trying to create a Client server program, where, the Client first sends a file to Server, on accepting the file, the server generates another file(probably xml), send it to the client as a response, the client read the response xml, parse it and display some data. now I am successful sending the file to the server, but could not figure out how the server can create and send a xml file and send it to the client as response, please help. below are my codes for client and server
Client side
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.InetAddress;
import java.net.Socket;
import java.net.UnknownHostException;
public class XMLSocketC
public static void main(String[] args) throws IOException
//Establish a connection to socket
Socket toServer = null;
String host = "127.0.0.1";
int port = 4444;
try
toServer = new Socket(host, port);
} catch (UnknownHostException e) {
System.err.println("Don't know about host: localhost.");
System.exit(1);
} catch (IOException e) {
System.err.println("Couldn't get I/O for the connection to host.");
System.exit(1);
//Send file over Socket
//===========================================================
BufferedInputStream fileIn = null;
BufferedOutputStream out = null;
// File to be send over the socket.
File file = new File("c:/xampp/htdocs/thesis/sensorList.php");
// Checking for the file to be sent.
if (!file.exists())
System.out.println("File doesn't exist");
System.exit(0);
try
// InputStream to read the file
fileIn = new BufferedInputStream(new FileInputStream(file));
}catch(IOException eee)
System.out.println("Problem, kunne ikke lage fil");
try
InetAddress adressen = InetAddress.getByName(host);
try
System.out.println("Establishing Socket Connection");
// Opening Socket
Socket s = new Socket(adressen, port);
System.out.println("Socket is clear and available.....");
// OutputStream to socket
out = new BufferedOutputStream(s.getOutputStream());
byte[] buffer = new byte[1024];
int numRead;
//Checking if bytes available to read to the buffer.
while( (numRead = fileIn.read(buffer)) >= 0)
// Writes bytes to Output Stream from 0 to total number of bytes
out.write(buffer, 0, numRead);
// Flush - send file
out.flush();
// close OutputStream
out.close();
// close InputStrean
fileIn.close();
}catch (IOException e)
}catch(UnknownHostException e)
System.err.println(e);
//===========================================================
//Retrieve data from Socket.
//BufferedReader in = new BufferedReader(new InputStreamReader(toServer.getInputStream()));
DataInputStream in = new DataInputStream(new BufferedInputStream(toServer.getInputStream()));
//String fromServer;
//Read from the server and prints.
//Receive text from server
FileWriter fr = null;
String frn = "xxx_response.xml";
try {
fr = new FileWriter(frn);
} catch (IOException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
try{
String line = in.readUTF(); //.readLine();
System.out.println("Text received :" + line);
fr.write(line);
} catch (IOException e){
System.out.println("Read failed");
System.exit(1);
in.close();
toServer.close();
public class XMLSocketS
public static void main(String[] args) throws IOException
//Establish a connection to socket
ServerSocket serverSocket = null;
try {
serverSocket = new ServerSocket(4444);
} catch (IOException e) {
System.err.println("Could not listen on port: 4444.");
System.exit(1);
Socket clientLink = null;
while (true)
try
clientLink = serverSocket.accept();
System.out.println("Server accepts");
BufferedInputStream inn = new BufferedInputStream(clientLink.getInputStream());
BufferedOutputStream ut = new BufferedOutputStream(new FileOutputStream(new File("c:/xampp/htdocs/received_from_client.txt")));
byte[] buff = new byte[1024];
int readMe;
while( (readMe = inn.read(buff)) >= 0)
{ //reads from input stream, writes the file to disk
ut.write(buff, 0, readMe);
// close the link to client
clientLink.close();
// close InputStream
inn.close();
// flush
ut.flush();
// close OutputStream
ut.close();
//Sending response to client
//============================================================
//============================================================
System.out.println("File received");
}catch(IOException ex)
{System.out.println("Exception.");}
finally
try
if (clientLink != null) clientLink.close();
}catch(IOException e) {}
clientLink.close();
//serverSocket.close();
}SERVER
import java.net.*;
import java.io.*;
public class XMLSocketS
public static void main(String[] args) throws IOException
//Establish a connection to socket
ServerSocket serverSocket = null;
try {
serverSocket = new ServerSocket(4545);
} catch (IOException e) {
System.err.println("Could not listen on port: 4444.");
System.exit(1);
Socket clientLink = null;
try
clientLink = serverSocket.accept();
System.out.println("Server accepts the client request.....");
BufferedInputStream inn = new BufferedInputStream(clientLink.getInputStream());
BufferedOutputStream ut = new BufferedOutputStream(new FileOutputStream(new File("c:/xampp/htdocs/received_from_client.txt")));
byte[] buff = new byte[1024];
int readMe;
while( (readMe = inn.read(buff)) >= 0)
{ //reads from input stream, writes the file to disk
ut.write(buff, 0, readMe);
ut.flush();
//Sending response to client
//============================================================
BufferedInputStream ftoC = null;
BufferedOutputStream outtoC = null;
// File to be send over the socket.
File file = new File("c:/xampp/htdocs/thesis/user_registration_response.xml");
try
// InputStream to read the file
ftoC = new BufferedInputStream(new FileInputStream(file));
}catch(IOException eee)
{System.out.println("Problem reading file");}
// OutputStream to socket
outtoC = new BufferedOutputStream(clientLink.getOutputStream());
byte[] buffer = new byte[1024];
int noRead;
//Checking if bytes available to read to the buffer.
while( (noRead = ftoC.read(buffer)) >= 0)
// Writes bytes to Output Stream from 0 to total number of bytes
outtoC.write(buffer, 0, noRead);
outtoC.flush();
//============================================================
System.out.println("File received");
}catch(IOException ex)
{System.out.println("Exception.");}
finally
try
if (clientLink != null) clientLink.close();
}catch(IOException e) {}
clientLink.close();
//serverSocket.close();
}CLIENT SIDE
import java.io.*;
import java.net.*;
public class XMLSocketC
@SuppressWarnings("deprecation")
public static void main(String[] args)
// Server: "localhost" here. And port to connect is 4545.
String host = "127.0.0.1";
int port = 4545;
BufferedInputStream fileIn = null;
BufferedOutputStream out = null;
// File to be send over the socket.
File file = new File("c:/xampp/htdocs/thesis/sensorList.xml");
try
// InputStream to read the file
fileIn = new BufferedInputStream(new FileInputStream(file));
}catch(IOException eee)
{System.out.println("Problem");}
try
System.out.println("Establishing Socket Connection");
// Opening Socket
Socket clientSocket = new Socket(host, port);
System.out.println("Socket is clear and available.....");
// OutputStream to socket
out = new BufferedOutputStream(clientSocket.getOutputStream());
byte[] buffer = new byte[1024];
int numRead;
//Checking if bytes available to read to the buffer.
while( (numRead = fileIn.read(buffer)) >= 0)
// Writes bytes to Output Stream from 0 to total number of bytes
out.write(buffer, 0, numRead);
// Flush - send file
out.flush();
//=======================================
DataInputStream in = new DataInputStream(new BufferedInputStream(clientSocket.getInputStream()));
BufferedWriter outf = new BufferedWriter(new FileWriter("c:/xampp/htdocs/received_from_server.txt",true));
String str;
while(!(str = in.readLine()).equals("EOF")) {
System.out.println("client : Read line -> <" + str + ">");
outf.write(str);//Write out a string to the file
outf.newLine();//write a new line to the file (for better format)
outf.flush();
//=======================================
// close OutputStream
out.close();
// close InputStrean
fileIn.close();
// close Socket
clientSocket.close();
}catch (IOException e)
{System.out.println("Exception.");}
Could you please point where am I doing the stupid mistake, client to server is working properly, but the opposite direction is not.
Thanks -
Networked client-server applications (newbie)
Hello everyone,
(Apologies if this post is irrelevant for this particular forum :)
As I understand peer-to-peer networks, separate instances of application software are installed on 'each' computer, and files are then shared by everyone logged on. My query regards client-server networks (i.e. a centralized server with less powerful client computers attached to it): Would someone please explain (and possibly point to additional resources) how applications are installed on these networks? In particular, is it true that there's only one instance of application software (e.g. MS Word) installed on the central server, and that this is then somehow shared by all the connected users? ... and if not, is it possible to have such an arrangement, so that when it comes to upgrading any application software, the update only happens at one location (instead of on each client machine)? Thanks very much for your time.Guy: Thanks so very much :)
I see now. I was specifically wondering about networks involving WinNT / 'Win 2000 Server' as the 'central' server OS, but think that these would involve heavier clients than the mainframe example.
I assume that in a Win NT client-server network, if a client wanted to run a program (e.g. MS Word), the Win NT OS would transfer a 'copy' of the MS Word executable to the client machine where it would run and consume the resources of the client. Win NT would do this again for any other client, and so ultimately there would only be one 'stored' copy of MS Word. Also, given copies of executables are transefered, resources of the clients are used up, resulting in medium 'weight' clients with relatively less central server load.
It'd be great if you could verify this assumption,
Regards, SP. -
Client/server application (Help me)
I have a client server application.In the client part i send data to the server and the server receive data. After receiveing data server also send some data but the client can't capture data. Anyone please tell me what is the problem?
I am giving the sample code here......
I am thinking actually the problem is in the client side.......
Server
out = new DataOutputStream(client.getOutputStream());
input = this.client.getInputStream();
byte[] data=new byte[input.available()];
input.read(data);
byte[] sdata=new byte[3];
sdata[0]=1;
sdata[1]=2;
sdata[2]=3;
out.write(sdata);
Client
How can i implement my client to send and receive at a time??Thanks all of u.
I have solved the problem.
Now i have another problem.In the Client side I have used DataOutput
Stream(for sending) and InputStream(for receiving).
With the InputStream i am capturing data by this way.....
int dataSize=is.available();
int kkk=0;
boolean hasSize=true;
while (kkk<=0) {
dataSize = is.available();
if (dataSize != 0 && hasSize) {
byte[] dat = new byte[dataSize];
is.read(dat);
String s = new String(dat);
System.out.println("Capture:" + s);
System.out.println("data ssss: "+dataSize);
hasSize=false;
kkk=9;
}//End of if
}//End of while
Here is the problem. If I am sending from the server data size less 4000 byte then the client can easily capture the data. But when i am sending the data which is very very large such as 70,000 bytes then it creates a problem.
My target is simple. I want to capture the whole data that is send by the server . then want to keep the data in a byte array which size will depend upon the receiving data.
How can i do that?? -
Oracle 11g client installation on Solaris in non GUI mode
Hi,
I want to know if there is a way i can install Oracle 11g client on Solaris 10 machine in non GUI mode (ie. i want to do it from a command based terminal)
Thanks
AnupHi Anup
You have two ways to install it
1) Client installation without response file
Please Refer to Doc ID 885643.1
2) With Response file
Refer to the document available in Document library
Document Oracle® Database Client Installation Guide
11g Release 2 (11.2) for Solaris Operating System
Note: from 11gR2 onwards you can create a response file from GUI also and then use it later on for silent installation.
Hope this is helpful for You
Regards
Sudhir
Edited by: user13090769 on Sep 1, 2010 10:55 AM
Edited by: user13090769 on Sep 1, 2010 10:56 AM -
How to find server model from 11g OEM mgmt$ views
How to find server model from 11g OEM mgmt$ views
server model like Dell 710, DL380 G7 etc..,It is included in this query (run as user SYSMAN):
SELECT t.target_name AS host_name,
ecm_util.HOST_HOME_LIST (t.target_name, t.target_type) AS home_info,
hw.vendor_name AS Vendor,
hw.system_config AS System_Config,
hw.machine_architecture Architecture,
os.name AS os_name,
os.base_version os_base_version,
os.update_level os_update_level,
os.address_length_in_bits os_address_length_in_bits
FROM mgmt_targets t, mgmt_ecm_snapshot s, mgmt_hc_os_summary os, MGMT_HC_HARDWARE_MASTER hw
WHERE t.target_type = 'host'
AND t.target_name = s.target_name
AND s.snapshot_type = 'host_configuration'
AND s.target_type = 'host'
AND s.is_current = 'Y'
AND s.snapshot_guid = os.snapshot_guid
AND hw.snapshot_guid = s.snapshot_guid
ORDER by t.target_type
The asked info is available in the view MGMT_HC_HARDWARE_MASTER, column: SYSTEM_CONFIG
Eric -
Hi,
As the name of the forum suggests I am very new to this whole thing.
I am trying to write a client/server socket program that can encrypt and decrypt and has a GUI, can't use JCE or SSL or any built in encryption tools.
I have the code for everything cept the encryption part.
Any help, greatly appreciated,tnks a million but how do i incorporate that into the following client and server code:
here's the client code:
import java.awt.Color;
import java.awt.BorderLayout;
import java.awt.event.*;
import javax.swing.*;
import java.io.*;
import java.net.*;
class SocketClient extends JFrame
implements ActionListener {
JLabel text, clicked;
JButton button;
JPanel panel;
JTextField textField;
Socket socket = null;
PrintWriter out = null;
BufferedReader in = null;
SocketClient(){ //Begin Constructor
text = new JLabel("Text to send over socket:");
textField = new JTextField(20);
button = new JButton("Click Me");
button.addActionListener(this);
panel = new JPanel();
panel.setLayout(new BorderLayout());
panel.setBackground(Color.white);
getContentPane().add(panel);
panel.add("North", text);
panel.add("Center", textField);
panel.add("South", button);
} //End Constructor
public void actionPerformed(ActionEvent event){
Object source = event.getSource();
if(source == button){
//Send data over socket
String text = textField.getText();
out.println(text);
textField.setText(new String(""));
//Receive text from server
try{
String line = in.readLine();
System.out.println("Text received :" + line);
} catch (IOException e){
System.out.println("Read failed");
System.exit(1);
public void listenSocket(){
//Create socket connection
try{
socket = new Socket("HUGHESAN", 4444);
out = new PrintWriter(socket.getOutputStream(), true);
in = new BufferedReader(new InputStreamReader(socket.getInputStream()));
} catch (UnknownHostException e) {
System.out.println("Unknown host: HUGHESAN.eng");
System.exit(1);
} catch (IOException e) {
System.out.println("No I/O");
System.exit(1);
public static void main(String[] args){
SocketClient frame = new SocketClient();
frame.setTitle("Client Program");
WindowListener l = new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
frame.addWindowListener(l);
frame.pack();
frame.setVisible(true);
frame.listenSocket();
SERVER Code
import java.awt.Color;
import java.awt.BorderLayout;
import java.awt.event.*;
import javax.swing.*;
import java.io.*;
import java.net.*;
class SocketServer extends JFrame
implements ActionListener {
JButton button;
JLabel label = new JLabel("Text received over socket:");
JPanel panel;
JTextArea textArea = new JTextArea();
ServerSocket server = null;
Socket client = null;
BufferedReader in = null;
PrintWriter out = null;
String line;
SocketServer(){ //Begin Constructor
button = new JButton("Click Me");
button.addActionListener(this);
panel = new JPanel();
panel.setLayout(new BorderLayout());
panel.setBackground(Color.white);
getContentPane().add(panel);
panel.add("North", label);
panel.add("Center", textArea);
panel.add("South", button);
} //End Constructor
public void actionPerformed(ActionEvent event) {
Object source = event.getSource();
if(source == button){
textArea.setText(line);
public void listenSocket(){
try{
server = new ServerSocket(4444);
} catch (IOException e) {
System.out.println("Could not listen on port 4444");
System.exit(-1);
try{
client = server.accept();
} catch (IOException e) {
System.out.println("Accept failed: 4444");
System.exit(-1);
try{
in = new BufferedReader(new InputStreamReader(client.getInputStream()));
out = new PrintWriter(client.getOutputStream(), true);
} catch (IOException e) {
System.out.println("Accept failed: 4444");
System.exit(-1);
while(true){
try{
line = in.readLine();
//Send data back to client
out.println(line);
} catch (IOException e) {
System.out.println("Read failed");
System.exit(-1);
protected void finalize(){
//Clean up
try{
in.close();
out.close();
server.close();
} catch (IOException e) {
System.out.println("Could not close.");
System.exit(-1);
public static void main(String[] args){
SocketServer frame = new SocketServer();
frame.setTitle("Server Program");
WindowListener l = new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
frame.addWindowListener(l);
frame.pack();
frame.setVisible(true);
frame.listenSocket();
Again help on this is very welcomed -
Linux 11g client to solaris10 11g server
Can you confirm that a linux 11g client can connect to a solaris 10 11g server?
I'm getting some weird connectivity issues between these and would like to confirm it isn't just me and my solaris 10 patch level or some other unknown.
tnsping and sqlplus hang. tcpdump shows that there is no push of data from the server after the initial SYN/SYN ACK. Don't think it is the firewall, since the handshake takes place, but I'm not the solaris sysadmin, so I can't be 100% on that.
Thanks.Oracle client server interoperability is not depends on platform. Linux 11g client definitely supported to connect to Solaris 11g server.
Can you post the content of tnsnames.ora of your 11g client (is it same as your 10g client that you said working?)
also the output from
lsnrctl status
on server side.
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