WLAN WCS times users out - Please somebody help

Good day all,
I have a mesh network with a 4404 WCS. I have 13 outdoor 1500 APs and 7 indoor 1240 indoor APs. The network also has an ACS server for web authentication. However, users complain of frequent timeouts such that they need to login again to access the internet. Please what can possibily be wrong? The WCS is running a Mesh network but brigding is not enabled. I don't know what i am doing wrong.

Have you tried from the WLC gui?
You can reset the AP to the factory defaults through the wireless LAN (WLAN) controller (WLC). For the reset, the LAP should be registered to the WLC.
Complete these steps:
From the WLC GUI, click Wireless. The Wireless tab provides access to the Cisco WLAN Solution wireless network configuration.
Choose Access Points > Cisco APs, and then click Detail in order to navigate to the window for the specific AP.
Click Clear Config at the bottom of this window. This clears the configuration on the LAP and resets it to the factory defaults.
In order to reset the LAPs to the factory defaults with use of the command-line interface (CLI), issue the clear ap-config ap-name command from the WLC CLI.

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Last edited by tonyisnt (2010-02-02 23:24:46)

mgangav wrote:
insanemal wrote:
change to lanuching gdm from your inittab using run-level 5
or remove agetty from tty2
both will resolve the issue.
Actually, how will running gdm from inittab help with this issue?
And I didn't understand what you meant by "remove agetty from tty2"
You know, I am pretty sure that the issue has to be with xorg. I was having this issue a lot a month ago, but then, a certain upgrade of xorg fixed the issue. I was fine for a few weeks. My computer never crashed. But, unfortunatly, a package in that same upgrade was broken and I ended up upgrading the system again a few weeks ago. xorg also upgraded at the same time. Now, my computer keeps crashing randomly and in random ways.
I think that the best thing to do is to keep up with the xorg updates, find one that works for your system and have pacman ignore all upgrades to xorg after that.
Actually, if anyone can tell me how to downgrade xorg to its state 3 weeks ago, it would be absolutely awesome.
Thanks
Because if you use runlevel 5 you dont have agetty on TTY2 so it won't try and kill xorg all the bloody time
The problem is caused because GDM is starting so fast the XORG server it loads up checks for free VT's and finds TTY2 is empty and starts on it. THEN your inittab fires up agetty on TTY2.. which promptly causes hell to arrive in a handbag.
You really need to be less critical of people offering you advice.. and possibly even check what they have posted in the past.. like the threads from months ago dealing with this issue. (search is great you know)

Please somebody help me with this

1.1 modify the application so that:
i) Information about any foreign key constraints for the selected table is displayed eg as
additional labels in the table editor window, or in a separate dialog window.
You can choose how you wish to display this information.
ii) An Update button is added for each text field in the display, which will attempt to update the corresponding field in the database table, from the current data in the textfield. The following code will retrieve the current value from a JTextField object:
String newValue = textfieldName.getText();
The following code will convert the string to a number:
int newNumber = Integer.parseInt(newValue);
Remember, an attempt to update a row in a table may fail if eg it tries to alter a
foreign key to a value not currently recorded for any corresponding primary key
that the foreign key refers to.
An attempt to set a foreign key field to 'null' should always be successful.
If the update attempt fails, the value in the displayed text field should revert to its
original state, to maintain consistency with the database.
import java.io.*;
import java.sql.*;
import java.util.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import oracle.jdbc.driver.*;
* class JdbcCW
* demonstration of Java client connecting to an Oracle DBMS
* @author put your name here
* @date December 2002
public class JdbcCW extends JFrame{
static String url = "jdbc:oracle:thin:@localhost:1521:orcl";
static String initialquery = "select table_name from user_tables";
static String nullstring = "null";
private String user;
private String pass;
private Connection conn;
private Statement stmt;
private ResultSet results;
private JComboBox tableChooser;
private JButton editButton;
private JButton exitButton;
private JButton detailsButton;
private JPanel panel1;
private JPanel panel2;
private String selectedTable;
private Container cp;
public static void main(String[] args) throws SQLException {
JdbcCW demo = new JdbcCW();
demo.show();
* JdbcCW constructor method
public JdbcCW() throws SQLException {
super("Java/Oracle coursework");
addWindowListener (new WindowAdapter() {
public void windowClosing (WindowEvent evt) {
System.exit(0);
try {
user =
JOptionPane.showInputDialog("enter oracle username eg ops$c9999999");
pass = JOptionPane.showInputDialog("enter oracle password eg 29feb80");
if ( user.length() == 0 || pass.length() == 0)
throw new Exception("no user name and/or password");
DriverManager.registerDriver (new OracleDriver());
conn = DriverManager.getConnection(url, user, pass);
if (conn != null)
System.out.println("Connected");
catch (Exception e ) {
e.printStackTrace();
System.exit(0); // problems - abandon ship
// now we can access tables in the database
stmt = conn.createStatement();
results = stmt.executeQuery(initialquery);
boolean anyRecords = results.next();
if ( ! anyRecords ) {
JOptionPane.showMessageDialog (this, "No Tables in the database");
System.exit(0);
tableChooser = new JComboBox();
do
tableChooser.addItem(results.getString(1));
while (results.next() ) ;
selectedTable = (String) tableChooser.getSelectedItem();
tableChooser.addActionListener (new ActionListener () {
public void actionPerformed (ActionEvent evt) {
     changeTable();
editButton = new JButton("Edit");
editButton.addActionListener(new ActionListener () {
public void actionPerformed(ActionEvent evt) {
     runEdit();
exitButton = new JButton("Exit");
exitButton.addActionListener(new ActionListener () {
public void actionPerformed(ActionEvent evt) {
System.exit(0);
panel1 = new JPanel(); // panels have flow layout
JLabel label1 = new JLabel("Choose Table");
panel1.add(label1);
panel1.add(tableChooser);
panel2 = new JPanel();
panel2.add(editButton);
panel2.add(exitButton);
cp = getContentPane();
cp.add(panel1,BorderLayout.NORTH);
cp.add(panel2,BorderLayout.SOUTH);
setSize(300,200);
setLocation(100,100);
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selectedTable = (String) tableChooser.getSelectedItem();
* method runEdit runs a query to determine the structure of the
* selected table in order to customise the table editor window
private void runEdit() {
System.out.println("Selected Table " + selectedTable);
String query = "select column_name,data_type from user_tab_columns " +
     "where table_name = '" + selectedTable + "'";
try {
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} catch (java.sql.SQLException e) {
     System.out.println("SQL Exception on query " + query);
     return;
JdbcEdit tableEditor = new JdbcEdit(this,selectedTable,results);
tableEditor.show();
public ResultSet makeQuery(String query) {
     ResultSet results;
     try {
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     } catch (SQLException e) {
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     return null;
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} // end class JdbcGen
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* oracle table editing dialog window
* @author put your name here as well
* @date December 2002
class JdbcEdit extends JDialog {
private JdbcCW parent;
private Container cp;
private Vector columnNames;
private Vector dataTypes;
private Vector editFields;
private Vector rows;
private int noOfColumns;
private int currentRow = 0;
* JdbcEdit constructor method
* the parameter true makes the dialog window modal -
* the parent frame is inactive as long as this window is displayed
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columnNames = new Vector();
dataTypes = new Vector();
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// boxLayout - components are added to mainPanel in a vertical stack
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     if ( ! anyRecords ) {
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                         tableName+ " in the database");
          return;
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          String dataType = results.getString(2);
          System.out.println("Row " + columnName + " Type " + dataType);
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          JLabel colNameLabel = new JLabel(columnName);
          JTextField dataField = new JTextField(20);
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// this would be a good place to add an Update button
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// now store the columnName, dataType and data text field
// in vectors so other methods can access them
// at this point in time the text field is empty
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          dataTypes.add(dataType);
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     System.out.println("SQL Exception on query ");
     return;
// get the data from the Oracle table and put the first
// row of data in the text fields in the dialog window
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// find out which column(s) are part of the primary key and make these
// textfields non-editable so the values can't be changed
findPKConstraints(tableName);
// this would be a good place to discover any foreign key constraints
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     prevButton.addActionListener(new ActionListener () {
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cp = getContentPane();
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     pack();
private void closeWindow() {
     dispose();
private void populateData(String tableName) {
int noOfColumns;
// have to access the Statement object in the parent frame
     ResultSet tableData = parent.makeQuery("select * from " + tableName);
     try {
     boolean anyRecords = tableData.next();
     if ( ! anyRecords ) {
          JOptionPane.showMessageDialog (this, "No data in " +
                         tableName);
          return;
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noOfColumns = columnNames.size();
     do {
          String [] row = new String[noOfColumns];
          for (int i = 0; i < noOfColumns; i++) {
          row[i] = tableData.getString(i+1);
          rows.add(row);
     } while (tableData.next() ) ;
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     System.out.println("SQL Exception on query ");
     return;
// Put the first row of data from the table into the test fields;
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// get the reference to a text field in the dialog window
JTextField textField = (JTextField) editFields.get(i);
// vector editFields holds a reference to each JTextField
// in the visible dialog window
// hence the next line of code puts the data retrieved from
// the table into the relevant text field in the GUI interface
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// method showRow updates the textfields in the GUI interface
// with the next row of data from the table ( if next is true)
// or with the previous row of data from the table ( if next is false)
private void showRow(boolean next) {
if ( rows == null ) {
System.out.println("table is empty");
     getToolkit().beep();
     return;
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     getToolkit().beep();
     return;
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int noOfAttributes = dataTypes.size();
     for (int i = 0; i < noOfAttributes; i++) {
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"select owner,constraint_name from user_constraints " +
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// have to access the Statement object in the parent frame
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"select Column_name, position from user_cons_columns"
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          + "'";
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You're pretty optimistic if you think anyone is going to answer that. There are three very good reasons not to (each is good enough by themselves!).
1. IT'S YOUR HOMEWORK, IT DOESN'T EVEN LOOK AS THOUGH YOU'VE TRIED. WE HELP WITH PROBLEMS, NOT PROVIDE SOLUTIONS, ESPECIALLY FOR HOMEWORK.
2. Format your code. Use [ code] and [ /code] (without the spaces). And if you've used 'i' as an index variable, [ i] will result in switching to italics mode. Use 'j' as your index variable.
3. Don't post your whole program, only the parts you're having trouble with (mostly not relevant for this question, as you don't seem to have trouble with any particular area)

Please somebody help!

lately within tha past two days....my computer shuts down on it"s own for no apparent reason....usually while i am watching Netflix or Sling TV......it will only stay on for less than 15 min each time i reboot......i have restored to previous points...several times, ran scans, installed updates, re-installed these programs...thought my computer was overheating and shutting itself down.....but it"s not even staying on long enough to get warm......and my home is air conditioned. can someone out there help me?

Hello , Welcome to the HP Forums, I hope you enjoy your experience! To help you get the most out of the HP Forums I would like to direct your attention to the HP Forums Guide First Time Here? Learn How to Post and More. I understand that your desktop computer is automatically powering down, and I would be happy to help you! To correct this issue, I recommend following the steps in this document on Troubleshooting an Overheating and Auto Shutdown Issue. This should help prevent your system from automatically powering off. If the issue continues, please contact our technical support for further assistance in this matter by clicking the link below to get the support number for your region.
www.hp.com/contacthp/
I hope this helps!
Regards

I get sick of my sequence, please somebody help me !

Hi,
I have made a form which you can use to insert a new employee.
I also have made a sequence for employee ID. It starts from 1 to
999999.
If I call my form for the first time to insert an employee the
value of my sequence is 1, of course.
But If I don't want to insert that employee right now. I close
my form. And next time I call my form again the value of my
sequence is 2 now !.
I don't have insert any employee at the mean time.
I want to increase the value of that sequence if I have add a
new employee.
Does anyone know to arrange that ?
Thanks in advance !
Chu

Hi
The drawback of using a sequence is that it doesn't care what
you are doing with the number provided. Once the sequence has
issued a new number, it forgets about it.
Why were sequences invented?
Without sequences, you have to provide your own table with a row
holding the last used number. To update, you have to lock the
table. The problem arises if you have a big number of users
doing the same task (like entering orders) - everybody is trying
to lock that single row asking for a new number - now the row is
becoming a 'hot spot', degrading the system performance to a
crawl.
Here sequences become handy: Since sequences don't have to lock
a single row, it's not degrading performance but still providing
a distinctive number. But you cannot give back a issued number.
Question: Does the emp-id really has to be an 'unbroken' line of
numbers? One point of chosing a number for a primary key is that
the number itself doesn't have a meaning in itself, so in
general, missing numbers are not a concern. In another situation
(like line-items in an order) however, missing numbers cannot be
tolerated.
In general, for an unbroken line of emp-ids, you have to build
it yourself. I know how to do it with Oracle Forms but not how
to do it with Portal Forms, I'm affraid. Maybe somebody else can
provide this....
Hope that helps
Tino

WLAN WCS times users out - Please somebody help

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