Executing telnet command

I am trying to execute telnet command from java pgm. If i run the pgm i am not getting the desired output or any exception.Could any one help as the earliest.Following is my code
#Pgm
public class success1 extends JFrame
public static void main(String args[])
Runtime r = Runtime.getRuntime();
try
r.exec("telnet 192.168.1.2");
catch(Exception e)
System.out.println(e);
}

MSSL wrote:
It's not working, anyone familar with java with dos,please help if u are capableSince this is a Java forum, most people who respond to this forums are familiar with Java! Most people who visit here are familiar with DOS. Reading minds is a different matter since you don't say what the symptoms of "It's not working" are it is very difficult to diagnose the problem.
What I can say is that until you have read the reference given in reply #1 and have implemented the recommendations regarding handling stdout and stderr then any further post on your part is a waste of time.

Similar Messages

Executing telnet commands

can anybody help me to execute telnet commands in remote system in java? We need to cross a proxy to connect that remote system.

Double post:
http://forum.java.sun.com/thread.jspa?threadID=781974

Using the unix telnet command in java

I am using Runtime.getRuntime().exec("telnet ......") to excute the telnet command within my java program.
Basically, I'm writing a program to automate a bunch of processes, and one of them requires the process to be executed in another machine.
It keeps hanging and never gets to the login portion.
Am i going about this the right way? Can anyone suggest an alternative?
Paul

If you're using Telnet to execute a process in another machine, how about simply writing a socket client instead? Once the connection is made you will simply have to send the commands (user name, wait for response, password, wait for response, command...) that would normally be sent via Telnet.
A Telnet server is just waiting for anybody to connect to its port (usually 23); it doesn't matter whether it's an 'official' Telnet client or any other program, it's too dumb to tell!
Chris.

Need help with Telnet command in JSP

Here is the code I have been working on but it will not display the buffer to the page..
String [] cmd1 = {"cmd.exe","/c","telnet hqsun1.xx.xxxxx.com"};
          Process n;
          String T = "" ;
          n = Runtime.getRuntime().exec(cmd1);
          BufferedReader in1 =
          new BufferedReader(new InputStreamReader(
          n.getInputStream()));
          while((T=in1.readLine()) != null)
          out.println(T+"");
Maybe someone has done this before? I am trying to acomplish a telnet net session to the screen with some exicuted commands, because this tool is going to be used to help determine system status when the help desk needs to check on something.
Thanks

I don't want to be discouraging, but I'm not quite sure you've thought the problem through. You say that you'd like to create a web page capable of providing various pieces of information to the help desk, and you suggest ping and the output of various canned telnet commands as examples.
What is preventing the help desk from just executing those commands at the command prompt?
I realize that the people working the help desk are (ahem) there for a reason, but it is really much faster for me to just simply type "ping www.mpalfrey.com" at the prompt, then it is for me to fire up the web browser and wait for a response that way. You will likewise find that it is a lot more convenient to perform diagnosis on remote machines directly from the command prompt.
Uh, it's kind of like giving someone a screwdriver, then saying, "oh wait a second" and making them wear an oven mitt in order to use the screwdriver.
But, if you really want to do it this way, the best thing to do is create a wrapper class that directly calls the system command and captures the output to a stringbuffer. Then your JSP page simply has to clone that wrapper via a new() command and trigger it if you go the singleton route. The code would look something like this...
<%@ import page="com.mpalfrey.shellcommands.ping" %>
<%
   myPing foo = new myPing( request.getParameter( "victim" ) );
   foo.trigger();
%>
Ping results:
<%=foo.results()%>JSP can do a lot of wonderful things, but that doesn't mean you have to do it that way. :)

I can't execute TELNET at Solaris.

I have a problem to use Runtime.getRuntime().exec() function. I want to execute Telnet with console at
Solaris. By using this command :
public static void main(String args[])
String argv[] = { "telnet", "10.1.1.4", "5000" };
try
Runtime.getRuntime().exec("sh", argv);
} catch(Exception e)
System.out.println("Error");
I hope I didn't type any errors on the codes above.
It executed (no error), but without displaying a console to user.
Can anybody tell me the solutions ?

you will need to catch the stdout & stderr from the Process that is returned by Runtime.exec(), and feed them to the console user. in addition you will need to copy the console input to the Process stdin, so that commands that the user types are passed to the telnet process.
take a look at java.lang.Process getxxxxxStream methods
or perhaps exec a different process
String msg = "xterm -e telnet 10.1.1.4 5000"
Runtime.getRuntime().exec(msg);
[/cdoe]

Proxy telnet commands

hi,
i have a telnet application which works fine.. i have written a swing class as telnet server & telnetclient. When the client establishes a connection with server, the server will ask for authentication. if the client is authenticated the telnet app is executed to the client.. This works fine in my case.
What i want to do is, watever command the client executes in telnet i need to relay those commands thru the server. The command should pass thru the server which i have written...
Any idea on how to go with this/??
Thanxz in advance
Saravanan

By this do you mean that your server is acting as a proxy and you want it to pass all telnet data through to a real telnet server after authenticating the user? By telnet commands do you mean user data or the IAC commnds that are described in RFC 854? What telnet protocol implementation are you using, your own, apache, or some other?

Executing shell commands from Java.

I want to execute shell commands in Java using the Runtime.exec( String ) method.
The method works fine under Linux OS, but under Windows '98 the method didn't work at all!
For example the following call: Runtime.exec( "dir" ) throws an exception showing that the command was not completed. If I replace dir with ls under Linux all is good. What is the problem with the Microsoft Windows '98 ? Is there any solution at my problem ?!
thx in advance!

hey JSarmis,
You can help me... "ls" doesn't work for me on linux.. using Runtime.exec, some commands work, others don't... you may hold the key to what i need? How did u get "ls" to work?

How to Execute shell commands in OSB

Team,
My Requirement:
I have two sftp servers name ServerA and ServerB. Need to copy files from ServerA and place it on ServerB and change the file permissions to 777 after placing the files.
The user i am connecting to ServerB has the access to override file permissions.
Steps
1. With help of FTP adapter in OSB I am reading files from ServerA and writing on to ServerB -- Completed and is working.
2. How to override file permissions after placing the file ????? -- Yet to implement.
Please suggest me how can i accomodate 2nd step.
Thanks,
Suman V.

If by "execute shell commands" you mean actually
running a shell process (as opposed to just forking
and executing specified programs) then I'd advise
against it. The last thing you want is for the
clients to be running arbitrary commands on the
server. You don't want to make it possible for the
client to run "rm -fr /" on your server.Right.
I was assuming (perhaps with more optimism than is really warranted) that the OP was going to be in complete control of which commands were executed--that there'd be a small, fixed set in response to certain user actions.

[Solved] "slim: failed to execute login command" after awesomewm updat

Hi,
i updated some weeks ago via pacman -Syu, where also awesome wm was updated from 3.4.* to 3.5.* so I updated my rc.lua as it is told on their wiki, but i cant login with my rc.lua anymore i got the failed to execute login command error from slime. If i use the shipped efault rc.lua it works fine, can someone help me to figure out whats wrong with my rc.lua?
-- Standard awesome library
local gears = require("gears")
local awful = require("awful")
awful.rules = require("awful.rules")
require("awful.autofocus")
-- Widget and layout library
local wibox = require("wibox")
-- Theme handling library
local beautiful = require("beautiful")
-- Notification library
local naughty = require("naughty")
local menubar = require("menubar")
local vicious = require("vicious")
function fullscreens(c)
awful.client.floating.toggle(c)
if awful.client.floating.get(c) then
local clientX = screen[1].workarea.x
local clientY = screen[1].workarea.y
local clientWidth = 0
-- look at http://www.rpm.org/api/4.4.2.2/llimits_8h-source.html
local clientHeight = 2147483640
for s = 1, screen.count() do
clientHeight = math.min(clientHeight, screen[s].workarea.height)
clientWidth = clientWidth + screen[s].workarea.width
end
local t = c:geometry({x = clientX, y = clientY, width = clientWidth, height = clientHeight})
else
--apply the rules to this client so he can return to the right tag if there is a rule for that.
awful.rules.apply(c)
end
-- focus our client
client.focus = c
end
-- {{{ Error handling
-- Check if awesome encountered an error during startup and fell back to
-- another config (This code will only ever execute for the fallback config)
if awesome.startup_errors then
naughty.notify({ preset = naughty.config.presets.critical,
title = "Oops, there were errors during startup!",
text = awesome.startup_errors })
end
-- Handle runtime errors after startup
do
local in_error = false
awesome.connect_signal("debug::error", function (err)
-- Make sure we don't go into an endless error loop
if in_error then return end
in_error = true
naughty.notify({ preset = naughty.config.presets.critical,
title = "Oops, an error happened!",
text = err })
in_error = false
end)
end
-- {{{ Variable definitions
-- Themes define colours, icons, and wallpapers
-- beautiful.init("/home/kili/Repositories/awesome-themes/arch/theme.lua")
beautiful.init("/usr/share/awesome/themes/default/theme.lua")
-- This is used later as the default terminal and editor to run.
terminal = "urxvt"
editor = os.getenv("EDITOR") or "nano"
editor_cmd = terminal .. " -e " .. editor
-- Default modkey.
-- Usually, Mod4 is the key with a logo between Control and Alt.
-- If you do not like this or do not have such a key,
-- I suggest you to remap Mod4 to another key using xmodmap or other tools.
-- However, you can use another modifier like Mod1, but it may interact with others.
modkey = "Mod4"
-- Table of layouts to cover with awful.layout.inc, order matters.
layouts =
awful.layout.suit.tile,
awful.layout.suit.tile.left,
awful.layout.suit.tile.bottom,
awful.layout.suit.tile.top,
awful.layout.suit.floating,
awful.layout.suit.fair,
awful.layout.suit.fair.horizontal,
awful.layout.suit.spiral,
awful.layout.suit.spiral.dwindle,
awful.layout.suit.max,
awful.layout.suit.max.fullscreen,
awful.layout.suit.magnifier
-- {{{ Tags
-- Define a tag table which hold all screen tags.
tags = {}
for s = 1, screen.count() do
-- Each screen has its own tag table.
tags[s] = awful.tag({ 1, 2, 3, 4, 5}, s, layouts[1])
end
-- {{{ Menu
-- Create a laucher widget and a main menu
myawesomemenu = {
{ "manual", terminal .. " -e man awesome" },
{ "edit config", editor_cmd .. " " .. awesome.conffile },
{ "restart", awesome.restart },
{ "quit", awesome.quit }
mymainmenu = awful.menu({ items = { { "awesome", myawesomemenu, beautiful.awesome_icon },
{ "open terminal", terminal }
mylauncher = awful.widget.launcher({ image = beautiful.awesome_icon, menu = mymainmenu })
-- {{{ Wibox
-- Create a textclock widget
batwidget = wibox.widget.textbox()
vicious.register(batwidget, vicious.widgets.bat,
function(widget,args)
local formatstring = " Bat: "..args[1]..args[2] .."%".. " "..args[3] .. " "
if args[2] <= 25 and args[1] == "-" then
return "<span color=\"red\">".. formatstring .. "</span>"
end
return formatstring
end, 60, "BAT0")
netwidgetETH = wibox.widget.textbox()
netwidgetWIFI = wibox.widget.textbox()
vicious.register(netwidgetETH, vicious.widgets.net, ' eth0:<span color="#CC9393">${eth0 down_kb}</span> <span color="#7F9F7F">${eth0 up_kb}</span>', 3)
vicious.register(netwidgetWIFI, vicious.widgets.net,' wlan0:<span color="#CC9393">${wlan0 down_kb}</span> <span color="#7F9F7F">${wlan0 up_kb}</span>', 3)
menubar.utils.terminal = terminal
mytextclock = awful.widget.textclock()--{ align = "right" })
-- Create a systray
mysystray = wibox.widget.systray()
-- Create a wibox for each screen and add it
mywibox = {}
mypromptbox = {}
mylayoutbox = {}
mytaglist = {}
mytaglist.buttons = awful.util.table.join(
awful.button({ }, 1, awful.tag.viewonly),
awful.button({ modkey }, 1, awful.client.movetotag),
awful.button({ }, 3, awful.tag.viewtoggle),
awful.button({ modkey }, 3, awful.client.toggletag),
awful.button({ }, 4, function(t) awful.tag.viewnext(aweful.tag.getscreen(t)) end),
awful.button({ }, 5, function(t) awful.tag.viewprev(aweful.tag.getscreen(t)) end)
mytasklist = {}
mytasklist.buttons = awful.util.table.join(
awful.button({ }, 1, function (c)
if c == client.focus then
c.minimized = true
else
c.minimized = false
if not c:isvisible() then
awful.tag.viewonly(c:tags()[1])
end
-- This will also un-minimize
-- the client, if needed
client.focus = c
c:raise()
end
end),
awful.button({ }, 3, function ()
if instance then
instance:hide()
instance = nil
else
instance = awful.menu.clients({ width=250 })
end
end),
awful.button({ }, 4, function ()
awful.client.focus.byidx(1)
if client.focus then client.focus:raise() end
end),
awful.button({ }, 5, function ()
awful.client.focus.byidx(-1)
if client.focus then client.focus:raise() end
end))
for s = 1, screen.count() do
-- Create a promptbox for each screen
mypromptbox[s] = awful.widget.prompt()--{ layout = awful.widget.layout.horizontal.leftright })
-- Create an imagebox widget which will contains an icon indicating which layout we're using.
-- We need one layoutbox per screen.
mylayoutbox[s] = awful.widget.layoutbox(s)
mylayoutbox[s]:buttons(awful.util.table.join(
awful.button({ }, 1, function () awful.layout.inc(layouts, 1) end),
awful.button({ }, 3, function () awful.layout.inc(layouts, -1) end),
awful.button({ }, 4, function () awful.layout.inc(layouts, 1) end),
awful.button({ }, 5, function () awful.layout.inc(layouts, -1) end)))
-- Create a taglist widget
mytaglist[s] = awful.widget.taglist(s, awful.widget.taglist.filter.all, mytaglist.buttons)
-- Create a tasklist widget
mytasklist[s] = awful.widget.tasklist(s, awful.widget.tasklist.filter.currenttags, mytasklist.buttons)
-- Create the wibox
mywibox[s] = awful.wibox({ position = "top", screen = s })
-- Widgets that are aligned to the left
local left_layout = wibox.layout.fixed.horizontal()
left_layout:add(mylauncher)
left_layout:add(mytaglist[s])
left_layout:add(mypromptbox[s])
-- Widgets that are aligned to the right
local right_layout = wibox.layout.fixed.horizontal()
if s == 1 then right_layout:add(wibox.widget.systray()) end
right_layout:add(netwidgetWIFI)
right_layout:add(netwidgetETH)
right_layout:add(batwidget)
right_layout:add(mytextclock)
right_layout:add(mylayoutbox[s])
-- Now bring it all together (with the tasklist in the middle)
local layout = wibox.layout.align.horizontal()
layout:set_left(left_layout)
layout:set_middle(mytasklist[s])
layout:set_right(right_layout)
mywibox[s]:set_widget(layout)
-- Add widgets to the wibox - order matters
--mywibox[s].widgets = {
-- mylauncher,
-- mytaglist[s],
-- mypromptbox[s],
--layout = awful.widget.layout.horizontal.leftright
-- mylayoutbox[s],
-- mytextclock,
-- batwidget,
-- netwidgetETH,
-- netwidgetWIFI,
-- s == 1 and mysystray or nil,
-- mytasklist[s],
-- layout = awful.widget.layout.horizontal.rightleft
end
-- {{{ Mouse bindings
root.buttons(awful.util.table.join(
awful.button({ }, 3, function () mymainmenu:toggle() end),
awful.button({ }, 4, awful.tag.viewnext),
awful.button({ }, 5, awful.tag.viewprev)
-- {{{ Key bindings
globalkeys = awful.util.table.join(
awful.key({ modkey, }, "Left", awful.tag.viewprev ),
awful.key({ modkey, }, "Right", awful.tag.viewnext ),
awful.key({ modkey, }, "Escape", awful.tag.history.restore),
awful.key({ modkey, }, "j",
function ()
awful.client.focus.byidx( 1)
if client.focus then client.focus:raise() end
end),
awful.key({ modkey, }, "k",
function ()
awful.client.focus.byidx(-1)
if client.focus then client.focus:raise() end
end),
awful.key({ modkey, }, "w", function () mymainmenu:show() end),
-- Layout manipulation
awful.key({ modkey, "Shift" }, "j", function () awful.client.swap.byidx( 1) end),
awful.key({ modkey, "Shift" }, "k", function () awful.client.swap.byidx( -1) end),
awful.key({ modkey, "Control" }, "j", function () awful.screen.focus_relative( 1) end),
awful.key({ modkey, "Control" }, "k", function () awful.screen.focus_relative(-1) end),
awful.key({ modkey, }, "u", awful.client.urgent.jumpto),
awful.key({ modkey, }, "Tab",
function ()
awful.client.focus.history.previous()
if client.focus then
client.focus:raise()
end
end),
-- Standard program
awful.key({ modkey, }, "Return", function () awful.util.spawn(terminal) end),
awful.key({ modkey, "Control" }, "r", awesome.restart),
awful.key({ modkey, "Shift" }, "q", awesome.quit),
awful.key({ modkey, }, "l", function () awful.tag.incmwfact( 0.05) end),
awful.key({ modkey, }, "h", function () awful.tag.incmwfact(-0.05) end),
awful.key({ modkey, "Shift" }, "h", function () awful.tag.incnmaster( 1) end),
awful.key({ modkey, "Shift" }, "l", function () awful.tag.incnmaster(-1) end),
awful.key({ modkey, "Control" }, "h", function () awful.tag.incncol( 1) end),
awful.key({ modkey, "Control" }, "l", function () awful.tag.incncol(-1) end),
awful.key({ modkey, }, "space", function () awful.layout.inc(layouts, 1) end),
awful.key({ modkey, "Shift" }, "space", function () awful.layout.inc(layouts, -1) end),
awful.key({ modkey, "Control" }, "n", awful.client.restore),
-- Prompt
awful.key({ modkey }, "r", function () mypromptbox[mouse.screen]:run() end),
awful.key({ modkey }, "x",
function ()
awful.prompt.run({ prompt = "Run Lua code: " },
mypromptbox[mouse.screen].widget,
awful.util.eval, nil,
awful.util.getdir("cache") .. "/history_eval")
end),
-- Multimedia
awful.key({ }, "XF86AudioLowerVolume", function () awful.util.spawn("amixer -q sset Master 2dB-") end),
awful.key({ }, "XF86AudioRaiseVolume", function () awful.util.spawn("amixer -q sset Master 2dB+") end),
awful.key({ }, "XF86AudioNext",function () awful.util.spawn( "mocp -f" ) end),
awful.key({ }, "XF86AudioPrev",function () awful.util.spawn( "mocp -r" ) end),
awful.key({ }, "XF86AudioPlay",function () awful.util.spawn( "mocp -G" ) end),
awful.key({ }, "Print", function () awful.util.spawn("ksnapshot") end),
awful.key({ }, "", function () awful.util.spawn("slimlock") end)
clientkeys = awful.util.table.join(
awful.key({ modkey, }, "f", function (c) c.fullscreen = not c.fullscreen end),
awful.key({ modkey, "Shift" }, "c", function (c) c:kill() end),
awful.key({ modkey, "Control" }, "space", awful.client.floating.toggle ),
awful.key({ modkey, "Control" }, "Return", function (c) c:swap(awful.client.getmaster()) end),
awful.key({ modkey, }, "o", awful.client.movetoscreen ),
-- awful.key({ modkey, "Shift" }, "r", function (c) c:redraw() end),
awful.key({ modkey, }, "t", function (c) c.ontop = not c.ontop end),
awful.key({ modkey, }, "n",
function (c)
-- The client currently has the input focus, so it cannot be
-- minimized, since minimized clients can't have the focus.
c.minimized = true
end),
awful.key({ modkey, }, "m",
function (c)
c.maximized_horizontal = not c.maximized_horizontal
c.maximized_vertical = not c.maximized_vertical
end),
awful.key({ modkey, "Shift" }, "f", fullscreens)
-- Compute the maximum number of digit we need, limited to 9
keynumber = 0
for s = 1, screen.count() do
keynumber = math.min(9, math.max(#tags[s], keynumber))
end
-- Bind all key numbers to tags.
-- Be careful: we use keycodes to make it works on any keyboard layout.
-- This should map on the top row of your keyboard, usually 1 to 9.
for i = 1, keynumber do
globalkeys = awful.util.table.join(globalkeys,
awful.key({ modkey }, "#" .. i + 9,
function ()
local screen = mouse.screen
if tags[screen][i] then
awful.tag.viewonly(tags[screen][i])
end
end),
awful.key({ modkey, "Control" }, "#" .. i + 9,
function ()
local screen = mouse.screen
if tags[screen][i] then
awful.tag.viewtoggle(tags[screen][i])
end
end),
awful.key({ modkey, "Shift" }, "#" .. i + 9,
function ()
if client.focus and tags[client.focus.screen][i] then
awful.client.movetotag(tags[client.focus.screen][i])
end
end),
awful.key({ modkey, "Control", "Shift" }, "#" .. i + 9,
function ()
if client.focus and tags[client.focus.screen][i] then
awful.client.toggletag(tags[client.focus.screen][i])
end
end))
end
clientbuttons = awful.util.table.join(
awful.button({ }, 1, function (c) client.focus = c; c:raise() end),
awful.button({ modkey }, 1, awful.mouse.client.move),
awful.button({ modkey }, 3, awful.mouse.client.resize))
-- Set keys
root.keys(globalkeys)
-- Set Firefox to always map on tags number 2 of screen 1.
-- { rule = { class = "Firefox" },
-- properties = { tag = tags[1][2] } },
-- {{{ Rules
if screen.count() > 1 then
awful.rules.rules = {
-- All clients will match this rule.
{ rule = { },
properties = { border_width = beautiful.border_width,
-- border_color = beautiful.border_normal,
focus = true,
keys = clientkeys,
buttons = clientbuttons } },
{ rule = { class = "MPlayer" },
properties = { floating = true } },
{ rule = { class = "gimp" },
properties = { floating = true } },
{ rule = { class = "Xdialog" },
properties = { floating = true } },
{ rule = { class = "Firefox" },
properties = { tag = tags[1][1] } },
{ rule = { name = "Thunderbird" },
properties = { tag = tags[1][2] } },
{ rule = { instance = "plugin-container" },
properties = { floating = true } },
{ rule = { class = "Luakit" },
properties = { floating = true } }
else
awful.rules.rules = {
-- All clients will match this rule.
{ rule = { },
properties = { border_width = beautiful.border_width,
-- border_color = beautiful.border_normal,
focus = true,
keys = clientkeys,
buttons = clientbuttons } },
{ rule = { class = "MPlayer" },
properties = { floating = true } },
{ rule = { class = "gimp" },
properties = { floating = true } },
{ rule = { class = "Firefox" },
properties = { tag = tags[1][2] } },
{ rule = { name = "Thunderbird" },
properties = { tag = tags[1][3] } },
{ rule = { instance = "plugin-container" },
properties = { floating = true, fullscreen = true } },
{ rule = { class = "Dolphin" },
properties = { floating = false, fullscreen = false, tag = tags[1][4] } },
{ rule = { class = "Luakit" },
properties = { floating = true } },
{ rule = { class = "Pidgin" },
properties = { tag = tags[1][5] } }
end
-- {{{ Signals
-- Signal function to execute when a new client appears.
client.connect_signal("manage", function (c, startup)
-- Add a titlebar
-- awful.titlebar.add(c, { modkey = modkey })
-- Enable sloppy focus
c:connect_signal("mouse::enter", function(c)
if awful.layout.get(c.screen) ~= awful.layout.suit.magnifier
and awful.client.focus.filter(c) then
client.focus = c
end
end)
if not startup then
-- Set the windows at the slave,
-- i.e. put it at the end of others instead of setting it master.
-- awful.client.setslave(c)
-- Put windows in a smart way, only if they does not set an initial position.
if not c.size_hints.user_position and not c.size_hints.program_position then
awful.placement.no_overlap(c)
awful.placement.no_offscreen(c)
end
end
local titlebars_enabled = false
if titlebars_enabled and (c.type == "normal" or c.type == "dialog") then
-- Widgets that are aligned to the left
local left_layout = wibox.layout.fixed.horizontal()
left_layout:add(awful.titlebar.widget.iconwidget(c))
-- Widgets that are aligned to the right
local right_layout = wibox.layout.fixed.horizontal()
right_layout:add(awful.titlebar.widget.floatingbutton(c))
right_layout:add(awful.titlebar.widget.maximizedbutton(c))
right_layout:add(awful.titlebar.widget.stickybutton(c))
right_layout:add(awful.titlebar.widget.ontopbutton(c))
right_layout:add(awful.titlebar.widget.closebutton(c))
-- The title goes in the middle
local title = awful.titlebar.widget.titlewidget(c)
title:buttons(awful.util.table.join(
awful.button({ }, 1, function()
client.focus = c
c:raise()
awful.mouse.client.move(c)
end),
awful.button({ }, 3, function()
client.focus = c
c:raise()
awful.mouse.client.resize(c)
end)
-- Now bring it all together
local layout = wibox.layout.align.horizontal()
layout:set_left(left_layout)
layout:set_right(right_layout)
layout:set_middle(title)
awful.titlebar(c):set_widget(layout)
end
end)
client.connect_signal("focus", function(c) c.border_color = beautiful.border_focus end)
client.connect_signal("unfocus", function(c) c.border_color = beautiful.border_normal end)
Here is also my slime config and my initrc
ls -lisa .xinitrc
3276814 4 -rwxr-xr-x ...
#!/bin/sh
xrdb -merge ~/.Xresources
wicd-client --tray &
exec awesome #>> ~/.cache/awesome/stdout 2>> ~/.cache/awesome/stderr
# Path, X server and arguments (if needed)
# Note: -xauth $authfile is automatically appended
default_path /bin:/usr/bin:/usr/local/bin
default_xserver /usr/bin/X
xserver_arguments -nolisten tcp vt07
# Commands for halt, login, etc.
halt_cmd /sbin/shutdown -h now
reboot_cmd /sbin/shutdown -r now
console_cmd /usr/bin/xterm -C -fg white -bg black +sb -T "Console login" -e /bin/sh -c "/bin/cat /etc/issue; exec /bin/login"
#suspend_cmd /usr/sbin/suspend
# Full path to the xauth binary
xauth_path /usr/bin/xauth
# Xauth file for server
authfile /var/run/slim.auth
# Activate numlock when slim starts. Valid values: on|off
numlock on
# Hide the mouse cursor (note: does not work with some WMs).
# Valid values: true|false
# hidecursor false
# This command is executed after a succesful login.
# you can place the %session and %theme variables
# to handle launching of specific commands in .xinitrc
# depending of chosen session and slim theme
# NOTE: if your system does not have bash you need
# to adjust the command according to your preferred shell,
# i.e. for freebsd use:
# login_cmd exec /bin/sh - ~/.xinitrc %session
login_cmd exec /bin/bash -login ~/.xinitrc %session
# Commands executed when starting and exiting a session.
# They can be used for registering a X11 session with
# sessreg. You can use the %user variable
# sessionstart_cmd some command
# sessionstop_cmd some command
# Start in daemon mode. Valid values: yes | no
# Note that this can be overriden by the command line
# options "-d" and "-nodaemon"
# daemon yes
# Available sessions (first one is the default).
# The current chosen session name is replaced in the login_cmd
# above, so your login command can handle different sessions.
# see the xinitrc.sample file shipped with slim sources
sessions awesome,xfce4,icewm-session,wmaker,blackbox
# Executed when pressing F11 (requires imagemagick)
screenshot_cmd import -window root /slim.png
# welcome message. Available variables: %host, %domain
welcome_msg Welcome to %host
# Session message. Prepended to the session name when pressing F1
# session_msg Session:
# shutdown / reboot messages
shutdown_msg The system is halting...
reboot_msg The system is rebooting...
# default user, leave blank or remove this line
# for avoid pre-loading the username.
default_user kili
# Focus the password field on start when default_user is set
# Set to "yes" to enable this feature
focus_password yes
# Automatically login the default user (without entering
# the password. Set to "yes" to enable this feature
#auto_login no
# current theme, use comma separated list to specify a set to
# randomly choose from
current_theme archlinux-simplyblack
# Lock file
lockfile /var/lock/slim.lock
# Log file
logfile /var/log/slim.log
Thanks in advance!
Edit:
Besides a lot of other errors the problem was the systray. It was created 2 times, now login works again. I figured that out via enabling logging for awesome in the xinitrc again.
Last edited by stubb (2013-01-08 23:20:05)

Hi,
I have the same kind of issue after updated slim from v1.3.4-4 to v1.3.5-1.
see my topic here :
https://bbs.archlinux.org/viewtopic.php?id=156792
Last edited by cedricl (2013-01-24 17:16:42)

Executing a command using Runtime Class

How to execute a command on a differnet machine with different ipaddress using Runtime Class
My code is
String[] cmd = new String[3];
cmd[0] = "192.1...../c:/WINNT/system32/cmd.exe" ;
cmd[1] = "/C" ;
cmd[2] = args[0];
Runtime rt = Runtime.getRuntime();
System.out.println("Execing " + cmd[0] + " " + cmd[1]
+ " " + cmd[2]);
Process proc = rt.exec(cmd);
// any error???
int exitVal = proc.waitFor();
System.out.println("ExitValue: " + exitVal);
This is not Working

I have same issue. Actually when I use cmd.exe /c set in java code and if I run the java code in DOS propmt, it retrieves all latest user Environment variable values. But if I run the code in windows batch file, it is not retrieveing the latest user environment values until I reboot my computer, Do you know how to get user environment value with out rebooting machine??????

Getting an error while executing ddl commands using dblink

Hi,
i am using Oracle9iR2 Version.
i have created a procedure like below to execute ddl commands on remote database through dblink using dbms_sql.
CREATE OR REPLACE PROCEDURE run_remote_ddl (p_dblink VARCHAR2, qry VARCHAR2)
AS
c_handle NUMBER;
feedback INTEGER;
stat VARCHAR2 (2000);
BEGIN
stat := 'select DBMS_SQL.open_cursor' || p_dblink || ' from dual';
EXECUTE IMMEDIATE stat
INTO c_handle;
stat :=
'begin DBMS_SQL.parse'
|| p_dblink
|| ' ('
|| c_handle
|| ','''
|| qry
|| ''', DBMS_SQL.v7); end;';
EXECUTE IMMEDIATE stat;
stat :=
' select DBMS_SQL.EXECUTE' || p_dblink || '(' || c_handle
|| ') from dual';
EXECUTE IMMEDIATE stat
INTO feedback;
stat :=
'declare x integer; begin x:= :1; DBMS_SQL.close_cursor'
|| p_dblink
|| '(x); end;';
EXECUTE IMMEDIATE stat
USING c_handle;
END;
when i run this procedure like below
begin
run_remote_ddl ('@dblink', 'create table scott.ttt(num number)');
end;
got an error:
ORA-06553: PLS-103: Encountered the symbol ".2" when expecting one of the following:
. ( * @ & = - + ; < / > at in is mod not rem
<an exponent (**)> <> or != or ~= >= <= <> and or like
between ||
The symbol ". was inserted before ".2" to continue.
ORA-06512: at RUN_REMOTE_DDL", line 9
ORA-06512: at line 2
Please tell me how to resolve this.
Thanks in advance.

Hi,
>
ORA-06553: PLS-103: Encountered the symbol ".2" when expecting one of the following:
. ( * @ & = - + ; < / > at in is mod not rem
<an exponent (**)> or != or ~= >= <= <> and or like
between
>
Hope you are not typing 2 instead of @ as both are on the same key
Can you run the following and see what is happening
CREATE OR REPLACE PROCEDURE run_remote_ddl (p_dblink VARCHAR2, qry VARCHAR2)
AS
c_handle NUMBER;
feedback INTEGER;
stat VARCHAR2 (2000);
BEGIN
dbms_output.put_line(p_dblink);
stat := 'select DBMS_SQL.open_cursor@dblink from dual';
--stat := 'select DBMS_SQL.open_cursor from dual';
EXECUTE IMMEDIATE stat
INTO c_handle;
END;
exec run_remote_ddl('@dblink', 'create table scott.ttt(num number)');Regards
Edited by: yoonus on Feb 20, 2013 3:47 AM

Error while executing jdbc commands but getting connection pool

I was not able to make a simple oracle connection and that hurts me.
The program(jsp) is...
<%@ page language="java" import="java.sql.*,java.io.*,
java.util.*,pac1.*,javax.naming.*,javax.sql.*"%>
<html>
<body>
<%
Context ctx= new InitialContext();
DataSource dsindogulf1=(DataSource)ctx.lookup("jnindogulf1");
Connection conn=dsindogulf1.getConnection();
if(conn!=null)
System.out.println(conn.toString());
else
System.out.println("sorry");
Statement st=conn.createStatement();
String string1="CREATE TABLE Authorr(col1 CHAR(10));";
st.executeUpdate(string1);
%>
</body>
</html>
If i delete the
st.executeUpdate(string1); then there is no problem I get the connection pool. That means i am getting the connection. But when i include the
st.executeUpdate(string1); there is an error which i cannot understand.. the error is
Error 500--Internal Server Error
java.sql.SQLException: [BEA][Oracle JDBC Driver][Oracle]ORA-00911: invalid character
     at weblogic.jdbc.base.BaseExceptions.createException(Ljava.lang.String;Ljava.lang.String;I)Ljava.sql.SQLException;(Unknown Source)
     at weblogic.jdbc.base.BaseExceptions.getException(I[Ljava.lang.String;Ljava.lang.String;I)Ljava.sql.SQLException;(Unknown Source)
     at weblogic.jdbc.oracle.OracleImplStatement.execute()V(Optimized Method)
     at weblogic.jdbc.base.BaseStatement.commonExecute()V(Optimized Method)
     at weblogic.jdbc.base.BaseStatement.executeUpdateInternal()I(Unknown Source)
     at weblogic.jdbc.base.BaseStatement.executeUpdate(Ljava.lang.String;)I(Unknown Source)
     at weblogic.jdbc.wrapper.Statement.executeUpdate(Ljava.lang.String;)I(Statement.java:360)
     at jsp_servlet.__test._jspService(Ljavax.servlet.http.HttpServletRequest;Ljavax.servlet.http.HttpServletResponse;)V(__test.java:149)
     at weblogic.servlet.jsp.JspBase.service(Ljavax.servlet.ServletRequest;Ljavax.servlet.ServletResponse;)V(Optimized Method)
     at weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run()Ljava.lang.Object;(Optimized Method)
     at weblogic.servlet.internal.ServletStubImpl.invokeServlet(Ljavax.servlet.ServletRequest;Ljavax.servlet.ServletResponse;Lweblogic.servlet.internal.FilterChainImpl;)V(Optimized Method)
     at weblogic.servlet.internal.ServletStubImpl.invokeServlet(Ljavax.servlet.ServletRequest;Ljavax.servlet.ServletResponse;)V(Optimized Method)
     at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run()Ljava.lang.Object;(WebAppServletContext.java:6452)
     at weblogic.security.acl.internal.AuthenticatedSubject.doAs(Lweblogic.security.subject.AbstractSubject;Ljava.security.PrivilegedAction;)Ljava.lang.Object;(Optimized Method)
     at weblogic.security.service.SecurityManager.runAs(Lweblogic.security.acl.internal.AuthenticatedSubject;Lweblogic.security.acl.internal.AuthenticatedSubject;Ljava.security.PrivilegedAction;)Ljava.lang.Object;(SecurityManager.java:118)
     at weblogic.servlet.internal.WebAppServletContext.invokeServlet(Lweblogic.servlet.internal.ServletRequestImpl;Lweblogic.servlet.internal.ServletResponseImpl;)V(WebAppServletContext.java:3661)
     at weblogic.servlet.internal.ServletRequestImpl.execute(Lweblogic.kernel.ExecuteThread;)V(ServletRequestImpl.java:2630)
     at weblogic.kernel.ExecuteThread.execute(Lweblogic.kernel.ExecuteRequest;)V(ExecuteThread.java:219)
     at weblogic.kernel.ExecuteThread.run()V(ExecuteThread.java:178)
     at java.lang.Thread.startThreadFromVM(Ljava.lang.Thread;)V(Unknown Source)
the steps which i have followed are... I have made a connection pool using weblogic type 4 driver in the administrative console... then i have created the data source using jndi name jnindogulf1..... but although i am getting the connection pool i am receiving error ehice executing jdbc commands
please help
thanks

babuli nayak wrote:
I was not able to make a simple oracle connection and that hurts me.
The program(jsp) is...
<%@ page language="java" import="java.sql.*,java.io.*,
java.util.*,pac1.*,javax.naming.*,javax.sql.*"%>
<html>
<body>
<%
Context ctx= new InitialContext();
DataSource dsindogulf1=(DataSource)ctx.lookup("jnindogulf1");
Connection conn=dsindogulf1.getConnection();
if(conn!=null)
System.out.println(conn.toString());
else
System.out.println("sorry");
Statement st=conn.createStatement();
String string1="CREATE TABLE Authorr(col1 CHAR(10));";
st.executeUpdate(string1);
%>
</body>
</html>
If i delete the
st.executeUpdate(string1); then there is no problem I get the connection pool. That means i am getting the connection. But when i include the
st.executeUpdate(string1); there is an error which i cannot understand.. the error is
Error 500--Internal Server Error
java.sql.SQLException: [BEA][Oracle JDBC Driver][Oracle]ORA-00911: invalid character
     at weblogic.jdbc.base.BaseExceptions.createException(Ljava.lang.String;Ljava.lang.String;I)Ljava.sql.SQLException;(Unknown Source)
     at weblogic.jdbc.base.BaseExceptions.getException(I[Ljava.lang.String;Ljava.lang.String;I)Ljava.sql.SQLException;(Unknown Source)
     at weblogic.jdbc.oracle.OracleImplStatement.execute()V(Optimized Method)
     at weblogic.jdbc.base.BaseStatement.commonExecute()V(Optimized Method)
     at weblogic.jdbc.base.BaseStatement.executeUpdateInternal()I(Unknown Source)
     at weblogic.jdbc.base.BaseStatement.executeUpdate(Ljava.lang.String;)I(Unknown Source)
     at weblogic.jdbc.wrapper.Statement.executeUpdate(Ljava.lang.String;)I(Statement.java:360)
     at jsp_servlet.__test._jspService(Ljavax.servlet.http.HttpServletRequest;Ljavax.servlet.http.HttpServletResponse;)V(__test.java:149)
     at weblogic.servlet.jsp.JspBase.service(Ljavax.servlet.ServletRequest;Ljavax.servlet.ServletResponse;)V(Optimized Method)
     at weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run()Ljava.lang.Object;(Optimized Method)
     at weblogic.servlet.internal.ServletStubImpl.invokeServlet(Ljavax.servlet.ServletRequest;Ljavax.servlet.ServletResponse;Lweblogic.servlet.internal.FilterChainImpl;)V(Optimized Method)
     at weblogic.servlet.internal.ServletStubImpl.invokeServlet(Ljavax.servlet.ServletRequest;Ljavax.servlet.ServletResponse;)V(Optimized Method)
     at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run()Ljava.lang.Object;(WebAppServletContext.java:6452)
     at weblogic.security.acl.internal.AuthenticatedSubject.doAs(Lweblogic.security.subject.AbstractSubject;Ljava.security.PrivilegedAction;)Ljava.lang.Object;(Optimized Method)
     at weblogic.security.service.SecurityManager.runAs(Lweblogic.security.acl.internal.AuthenticatedSubject;Lweblogic.security.acl.internal.AuthenticatedSubject;Ljava.security.PrivilegedAction;)Ljava.lang.Object;(SecurityManager.java:118)
     at weblogic.servlet.internal.WebAppServletContext.invokeServlet(Lweblogic.servlet.internal.ServletRequestImpl;Lweblogic.servlet.internal.ServletResponseImpl;)V(WebAppServletContext.java:3661)
     at weblogic.servlet.internal.ServletRequestImpl.execute(Lweblogic.kernel.ExecuteThread;)V(ServletRequestImpl.java:2630)
     at weblogic.kernel.ExecuteThread.execute(Lweblogic.kernel.ExecuteRequest;)V(ExecuteThread.java:219)
     at weblogic.kernel.ExecuteThread.run()V(ExecuteThread.java:178)
     at java.lang.Thread.startThreadFromVM(Ljava.lang.Thread;)V(Unknown Source)
the steps which i have followed are... I have made a connection pool using weblogic type 4 driver in the administrative console... then i have created the data source using jndi name jnindogulf1..... but although i am getting the connection pool i am receiving error ehice executing jdbc commands
please help
thanks
Hi. Remove the semicolon from your SQL string:     stmt.executeUpdate("CREATE TABLE Authorr(col1 CHAR(10))");Joe

Problem while executing a command using exec()

I'm trying to execute a command on Unix O/S with the help of java program. For this I have used Runtime class available in java.lang. It works fine for some of the basic unix commands like 'ls','cp' but when I tried to execute command "sqlldr userid=<user>/<pwd> control=/u01/dw/snb/log/sp_shd05721_ins_stg_sqlldr.ctl" , then it's not getting executed. Please advise.

You may be having a problem with the command path, which I don't think Runtime.exec() uses. Try specifying the full path

How can I connect to a UNIX server to execute a command?

How can I connect to a UNIX server and execute a command using PowerShell? My shell script is sitting on one server, while the UNIX box is on another.
also, I don't like the idea of hardcoding a username/password within the script file in order to do so.
-Nothing to see. Move along.

You will need a library to handle SSH connections.
I'm using SSH.NET, you can find info on it here : http://www.powershelladmin.com/wiki/SSH_from_PowerShell_using_the_SSH.NET_library
It has a bit of a learning curve but the web site has some fairly good tutorials.

Executing UNIX command in Java

I am having problems executing a command in Java. Here's the code I have for executing:
Process p = Runtime.getRuntime().exec(cmd);
                                        BufferedReader input = new BufferedReader(new InputStreamReader(p.getInputStream()));
     while((display = input.readLine()) != null)
                         num_1 = Double.parseDouble(display);
                         percent = (num_1 * 100) / (50000000);
                    flip = 1;
                    catch(IOException e)
                    e.printStackTrace();
                    System.exit(1);
Now, when I run the script, I receive the following errors:
Exception occurred during event dispatching:
java.security.AccessControlException: access denied (java.io.FilePermission /Netadmin/UCDSNMP/bin/snmpdelta execute)
at java.lang.Throwable.fillInStackTrace(Native Method)
at java.lang.Throwable.fillInStackTrace(Compiled Code)
at java.lang.Throwable.<init>(Compiled Code)
at java.lang.Exception.<init>(Compiled Code)
at java.lang.RuntimeException.<init>(RuntimeException.java:47)
at java.lang.SecurityException.<init>(SecurityException.java:39)
at java.security.AccessControlException.<init>(AccessControlException.java:57)
at java.security.AccessControlContext.checkPermission(Compiled Code)
at java.security.AccessController.checkPermission(Compiled Code)
at java.lang.SecurityManager.checkPermission(Compiled Code)
at java.lang.SecurityManager.checkExec(SecurityManager.java:789)
at java.lang.Runtime.exec(Compiled Code)
at java.lang.Runtime.exec(Compiled Code)
at java.lang.Runtime.exec(Runtime.java:152)
at snmp.actionPerformed(Compiled Code)
at java.awt.Button.processActionEvent(Button.java:308)
at java.awt.Button.processEvent(Button.java:281)
at java.awt.Component.dispatchEventImpl(Compiled Code)
at java.awt.Component.dispatchEvent(Compiled Code)
at java.awt.EventQueue.dispatchEvent(Compiled Code)
at java.awt.EventDispatchThread.pumpOneEvent(Compiled Code)
at java.awt.EventDispatchThread.pumpEvents(Compiled Code)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:83)
The user is entering the parameters for the UNIX command from a Java applet. Everything looks right, but I can't seem to run the file? Please help! All is appreciated.
Jason Banks
Northeastern University

Sorry, this is a bug that I've reported -- see Sun's response and my original report (along with how to get around the problem) shown below:
Hi Vira Van.,
The bug you have reported is a duplicate of Bug ID: 4522533.
Thank you for providing us with additional information
that can be used in the resolution of this bug.
This bug can be monitored via the the Java Developer
Connection Bug Parade at:
http://developer.java.sun.com/developer/bugParade/index.jshtml
The Java Developer Connection is a free channel that is
maintained by staff here at Sun. Access this web page to join:
http://developer.java.sun.com/servlet/RegistrationServlet
The home page for the JDC is:
http://java.sun.com/jdc
Regards,
Girish
----------------- Original Bug Report-------------------
category : java
release : 1.4
subcategory : jar
type : bug
synopsis : signed applet: bad major version number on NN4.79 and ClassNotFound in IE5.5
description : FULL PRODUCT VERSION :
java version "1.4.0"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.0-b92)
Java HotSpot(TM) Client VM (build 1.4.0-b92, mixed mode)
FULL OPERATING SYSTEM VERSION : Windows 98 [Version
4.10.2222]
ADDITIONAL OPERATING SYSTEMS :
BROWSERS: Netscape Navigator 4.79
        : Internet Explorer 5.5
EXTRA RELEVANT SYSTEM CONFIGURATION :
Applet failed to start in Netscape, the following error
message appeared in the Java Console:
Netscape Communications Corporation -- Java 1.1.5
Type '?' for options.
Symantec Java! ByteCode Compiler Version 210.065
Copyright (C) 1996-97 Symantec Corporation
# Applet exception: error: java.lang.ClassFormatError: Bad
major version number
java.lang.ClassFormatError: Bad major version number
at java.lang.ClassLoader.defineClass(Compiled Code)
at netscape.applet.AppletClassLoader.findClass(Compiled
Code)
at netscape.applet.AppletClassLoader.loadClass1(Compiled
Code)
* at netscape.applet.AppletClassLoader.loadClass(Compiled
Code)
at netscape.applet.AppletClassLoader.loadClass(Compiled
Code)
at
netscape.applet.DerivedAppletFrame$LoadAppletEvent.dispatch(
Compiled Code)
at
java.awt.EventDispatchThread$EventPump.dispatchEvents(Compil
ed Code)
at java.awt.EventDispatchThread.run(Compiled Code)
at
netscape.applet.DerivedAppletFrame$AppletEventDispatchThread
.run(Compiled Code)
The same applet
A DESCRIPTION OF THE PROBLEM :
Unable to run signed applet with Netscape 4.79 and IE5.5
native JVM.
REGRESSION. Last worked in version 1.3.1
STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
1.compile program and copy class files to a temp directory
2.sign the applet for Netscape as follows:
signtool -k aok -d \progra~1\netscape\users\viravan -Z
FIO.jar temp
3.sign the applet for Internet Explorer as follows:
cabarc -p n FileIO.cab FileIO*.class
setreg 1 true
makecert -sk aok -n "CN=aok" aok.cer
cert2spc aok.cer aok.spc
signcode -j javasign.dll -jp LOWX -spc aok.spc -k aok
FileIO.cab
Run the applet with the following HTML file:
<html><head><Title>Self-Signed Applet</Title>
<script>
document.layers ? parm=1 : parm=0;
</script>
<body>
This file I/O applet lets you read and write to the user's
local disk.<br>
<br>
<script>
document.writeln('<APPLET CODE = "FileIO" CODEBASE = "."
ARCHIVE = "FIO.jar" WIDTH = 10 HEIGHT = 10 NAME = "JSF">');
document.writeln('<param name="Netscape"
value="'+parm+'">');
document.writeln('<param name="cabbase"
value="FileIO.cab">');
document.writeln('</APPLET>');
</script>
</body>
</html>
EXPECTED VERSUS ACTUAL BEHAVIOR :
A frame with a textarea and some buttons should popup in the
center of the screen.
ERROR MESSAGES/STACK TRACES THAT OCCUR :
Applet signed with signtool failed to start in Netscape, the following error
message appeared in the Java Console:
Netscape Communications Corporation -- Java 1.1.5
Type '?' for options.
Symantec Java! ByteCode Compiler Version 210.065
Copyright (C) 1996-97 Symantec Corporation
# Applet exception: error: java.lang.ClassFormatError: Bad major version number
java.lang.ClassFormatError: Bad major version number
at java.lang.ClassLoader.defineClass(Compiled Code)
at netscape.applet.AppletClassLoader.findClass(Compiled Code)
at netscape.applet.AppletClassLoader.loadClass1(Compiled Code)
* at netscape.applet.AppletClassLoader.loadClass(Compiled Code)
at netscape.applet.AppletClassLoader.loadClass(Compiled Code)
at netscape.applet.DerivedAppletFrame$LoadAppletEvent.dispatch(Compiled Code)
at java.awt.EventDispatchThread$EventPump.dispatchEvents(Compiled Code)
at java.awt.EventDispatchThread.run(Compiled Code)
at netscape.applet.DerivedAppletFrame$AppletEventDispatchThread.run(Compiled
Code)
The same applet signed with signcode failed to start in Internet explorer, the
error message in the Java Console is:
Error loading class: FileIO
java.lang.NoClassDefFoundError
java.lang.ClassNotFoundException: FileIO
        at com/ms/vm/loader/URLClassLoader.loadClass
        at com/ms/vm/loader/URLClassLoader.loadClass
        at com/ms/applet/AppletPanel.securedClassLoad
        at com/ms/applet/AppletPanel.processSentEvent
        at com/ms/applet/AppletPanel.processSentEvent
        at com/ms/applet/AppletPanel.run
        at java/lang/Thread.run
This bug can be reproduced always.
---------- BEGIN SOURCE ----------
import java.io.*;
import java.util.*;
import java.awt.*;
import java.awt.event.*;
import java.applet.*;
public class FileIO extends Applet implements ActionListener {
   public static void main(String[] args) {
      new FileIO();
      F.addWindowListener(new WindowAdapter() {
         public void windowClosing(WindowEvent e) {
            System.exit(0);
   public void init() {
      String tmp=getParameter("Netscape");
      if (tmp!=null) {
         if (tmp.equals("1")) {
            try {
netscape.security.PrivilegeManager.enablePrivilege("UniversalFileAccess");
               NS=true;
            } catch (Throwable exception) {}
      new FileIO();
      F.setResizable(false);
   public void stop() {
      F.dispose();
   public FileIO() {
      newline=System.getProperty("line.separator");
      F.setLayout(new BorderLayout(0,0));
      String line,inbuf="";
      String newline=System.getProperty("line.separator");
      text=new TextArea(inbuf,24,80,TextArea.SCROLLBARS_BOTH);
      text.setFont(new Font("Courier",Font.PLAIN,12));
      text.setBackground(Color.cyan);
      text.setForeground(Color.black);
      F.add("Center",text);
      Panel pan=new Panel();
      pan.setLayout(new FlowLayout(1,0,0));
      pan.setBackground(Color.yellow);
      TF=new TextField(40);
      TF.setFont(new Font("Courier",Font.PLAIN,12));
      pan.add(TF);
      OP=new Button("Open");
      OP.addActionListener(this);
      pan.add(OP);
      FS=new Button("Save");
      FS.addActionListener(this);
      pan.add(FS);
      SA=new Button("Save-As");
      SA.addActionListener(this);
      pan.add(SA);
      reset=new Button("Reset");
      reset.addActionListener(this);
      pan.add(reset);
      F.add("South",pan);
      F.pack();
      Dimension screen=Toolkit.getDefaultToolkit().getScreenSize();
      Dimension size=F.getSize();
      int X=(screen.width-size.width)/2;
      int Y=(screen.height-size.height)/2;
      F.setLocation(X,Y);
      F.setVisible(true);
   public void actionPerformed(ActionEvent event) {
      String tmp="";
      String O=text.getText();
      StringTokenizer tkn=new StringTokenizer(O,newline);
      int ntkn=tkn.countTokens();
      Object ev=event.getSource();
      if (ev.equals(OP)) {
         FileDialog fd=new FileDialog(F,"File to open",FileDialog.LOAD);
         fd.setFile("*.java");
         fd.show();
         tmp=fd.getDirectory();
         if (fd.getFile()==null) {text.requestFocus(); return;}
         tmp+=fd.getFile();
         TF.setText(tmp);
         try {
            if (NS)
{netscape.security.PrivilegeManager.enablePrivilege("UniversalFileRead");}
            BufferedReader reader=new BufferedReader(new FileReader(tmp));
            String line;
            String crlf="";
            tmp="";
            while ((line=reader.readLine())!=null) {
               tmp+=crlf+line;
               crlf="\n";
            reader.close();
            text.setText(tmp);
         } catch (Throwable e) {
            e.printStackTrace();
      } else if (ev.equals(FS) || ev.equals(SA)) {
         try {
            if (ev.equals(SA)) {
               FileDialog fd=new FileDialog(F,"File to save",FileDialog.SAVE);
               fd.setFile("*.java");
               fd.show();
               tmp=fd.getDirectory();
               tmp+=fd.getFile();
            } else {
               tmp=TF.getText();
            if (tmp.length()==0) {text.requestFocus(); return;}
            if (tmp.indexOf(".java")<0) tmp+=".java";
            TF.setText(tmp);
            if (NS)
{netscape.security.PrivilegeManager.enablePrivilege("UniversalFileWrite");}
            FileOutputStream fos=new FileOutputStream(tmp);
            BufferedWriter out=new BufferedWriter(new OutputStreamWriter(new
DataOutputStream(fos)));
            for (int i=0;i<ntkn;i++) out.write(tkn.nextToken()+newline);
            out.flush();
            out.close();
            if (NS)
{netscape.security.PrivilegeManager.revertPrivilege("UniversalFileWrite");}
            System.out.println(tmp+" saved");
         } catch (Throwable e) {
            e.printStackTrace();
      } else if (ev.equals(reset)) {
         text.setText("");
         TF.setText("");
      text.requestFocus();
   private String replace(String input, String srch, String repl) {
      int i=input.indexOf(srch);
      while (i>=0) {
         input=input.substring(0,i)+repl+input.substring(i+srch.length());
         i=input.indexOf(srch);
      return input;
   private Button OP,FS,SA,reset,TB;
   private boolean newLine,NS=false;
   private TextArea text;
   private TextField TF;
   private final char NL='\n';
   private String content,newline;
   private static Frame F=new Frame("FileIO");
---------- END SOURCE ----------
CUSTOMER WORKAROUND :
build the signed applet with SDK1.3.1 or make it a signed
applet that uses Java Plugin 1.4.0 (i.e., sign it with jarsigner).
workaround :
suggested_val :
cust_name : Vira Van.
dateCreated : 2002-03-24 19:52:18.4
dateEvaluated : 2002-04-01 18:48:10.858

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