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Question : Windows XP client/Java Security "Password Needed-Networking" popup
When users are in IE and go to an internal web page that hosts our Helpdesk system, a Java security popup is prompting to User Name and Password. I have also recreated this security popup when opening up a Jet Direct card in IE.
My Sun Java Console shows the following:
Java(TM) Plug-in: Version 1.4.2
Using JRE version 1.4.2 Java HotSpot(TM) Client VM
User home directory = C:\Documents and Settings\
Proxy Configuration: Manual Configuration
--------------------------
----------
----------
------
c: clear console window
f: finalize objects on finalization queue
g: garbage collect
h: display this help message
l: dump classloader list
m: print memory usage
o: trigger logging
p: reload proxy configuration
q: hide console
r: reload policy configuration
s: dump system properties
t: dump thread list
v: dump thread stack
x: clear classloader cache
0-5: set trace level to
--------------------------
----------
----------
------
java.io.IOException: Server returned HTTP response code: 407 for URL:
http://spellchecker.innova
te.com/Spe
llchecker/
SpellCheck
Applet.jar
at sun.net.
www.protocol.http.
HttpURLCon
nection.ge
tInputStre
am(Unknown
Source)
at sun.plugin.net.protocol.ht
tp.HttpURL
Connection
.getInputS
tream(Unkn
own Source)
at sun.plugin.net.protocol.ht
tp.HttpUti
ls.followR
edirects(U
nknown Source)
at sun.plugin.cache.CachedJar
Loader.isU
pToDate(Un
known Source)
at sun.plugin.cache.CachedJar
Loader.loa
dFromCache
(Unknown Source)
at sun.plugin.cache.CachedJar
Loader.loa
d(Unknown Source)
at sun.plugin.cache.JarCache.
get(Unknow
n Source)
at sun.plugin.net.protocol.ja
r.CachedJa
rURLConnec
tion.conne
ct(Unknown
Source)
at sun.plugin.net.protocol.ja
r.CachedJa
rURLConnec
tion.getJa
rFile(Unkn
own Source)
at sun.misc.URLClassPath$JarL
oader.getJ
arFile(Unk
nown Source)
at sun.misc.URLClassPath$JarL
oader.
t>(Unknown
Source)
at sun.misc.URLClassPath$3.ru
n(Unknown Source)
at java.security.AccessContro
ller.doPri
vileged(Na
tive Method)
at sun.misc.URLClassPath.getL
oader(Unkn
own Source)
at sun.misc.URLClassPath.getL
oader(Unkn
own Source)
at sun.misc.URLClassPath.getR
esource(Un
known Source)
at java.net.URLClassLoader$1.
run(Unknow
n Source)
at java.security.AccessContro
ller.doPri
vileged(Na
tive Method)
at java.net.URLClassLoader.fi
ndClass(Un
known Source)
at sun.applet.AppletClassLoad
er.findCla
ss(Unknown
Source)
at java.lang.ClassLoader.load
Class(Unkn
own Source)
at sun.applet.AppletClassLoad
er.loadCla
ss(Unknown
Source)
at java.lang.ClassLoader.load
Class(Unkn
own Source)
at sun.applet.AppletClassLoad
er.loadCod
e(Unknown Source)
at sun.applet.AppletPanel.cre
ateApplet(
Unknown Source)
at sun.plugin.AppletViewer.cr
eateApplet
(Unknown Source)
at sun.applet.AppletPanel.run
Loader(Unk
nown Source)
at sun.applet.AppletPanel.run
(Unknown Source)
at java.lang.Thread.run(Unkno
wn Source)
load: class SpellCheckApplet.class not found.
java.lang.ClassNotFoundExc
eption: SpellCheckApplet.class
at sun.applet.AppletClassLoad
er.findCla
ss(Unknown
Source)
at java.lang.ClassLoader.load
Class(Unkn
own Source)
at sun.applet.AppletClassLoad
er.loadCla
ss(Unknown
Source)
at java.lang.ClassLoader.load
Class(Unkn
own Source)
at sun.applet.AppletClassLoad
er.loadCod
e(Unknown Source)
at sun.applet.AppletPanel.cre
ateApplet(
Unknown Source)
at sun.plugin.AppletViewer.cr
eateApplet
(Unknown Source)
at sun.applet.AppletPanel.run
Loader(Unk
nown Source)
at sun.applet.AppletPanel.run
(Unknown Source)
at java.lang.Thread.run(Unkno
wn Source)
Caused by: java.io.IOException: open HTTP connection failed.
at sun.applet.AppletClassLoad
er.getByte
s(Unknown Source)
at sun.applet.AppletClassLoad
er.access$
100(Unknow
n Source)
at sun.applet.AppletClassLoad
er$1.run(U
nknown Source)
at java.security.AccessContro
ller.doPri
vileged(Na
tive Method)
... 10 more
The Java popup shows:
Heading=Password Needed-Networking
Firewal: Unknown Site
Realm: ntlm
Scheme:
Username:
Password:
Clicking the X repeatedly in the top right corner will eventually get rid of the popup.
How do I make it go away for good?
Thanks
Answer : Windows XP client/Java Security "Password Needed-Networking" popup
I recently had this same problem. After trying numerous settings changes with IE and the Java control panel, the resolution was to uninstall the Sun version and to install the latest Microsoft version of Java. This resulted in the applets loading and the Networking Password popup not appearing.
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