Problem in connecting to next page after login

i am facing a problem in searching that which method comes in connecting to a new jsp page in the coding of the servlet of login form...
and please tell me the code too that how to implement that method..
I'll be very thankful to yo all.....
in waiting for your answer. ABHISHEK PATEL.. +919407270599..

In the future, please post Servlet related questions at the Servlet forum.
javaDB2forums wrote:
i am facing a problem in searching that which method comes in connecting to a new jsp page in the coding of the servlet of login form...
and please tell me the code too that how to implement that method..Your question is really vague. Are you asking how to forward or redirect a request? If so, either use RequestDispather#forward() or HttpServletResponse#sendRedirect().
in waiting for your answer. ABHISHEK PATEL.. +919407270599..This isn´t a contact advertisement forum. This is a public discussion forum.

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#systemctl status 'netctl@my\x2dnetwork.service'
● netctl@my\x2dnetwork.service - A simple WPA encrypted wireless connection
Loaded: loaded (/etc/systemd/system/netctl@my\x2dnetwork.service; enabled; vendor preset: disabled)
Active: failed (Result: exit-code) since Fri 2015-02-06 16:37:35 CST; 1min 23s ago
Docs: man:netctl.profile(5)
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-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
-- Unit netctl@my\x2dnetwork.service has failed.
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When I ip link set ... down, I wifi-menu and it connects. No need to ip link set ... up.
Here's my /etc/systemd/system/netctl\@my\\x2dnetwork.service as mentioned above.
.include /usr/lib/systemd/system/[email protected]
[Unit]
Description=A simple WPA encrypted wireless connection
BindsTo=sys-subsystem-net-devices-wlp4s0.device
After=sys-subsystem-net-devices-wlp4s0.device
Not sure if this is relevant. Also mentioned above. This is /usr/lib/network/network.
#! /bin/bash
. /usr/lib/network/globals
## Check if a string represents a network interface
# $1: potential interface name
is_interface() {
# Strip any old school alias specifier
[[ -d "/sys/class/net/${1%%:?*}" ]]
## Add an interface
# $1: interface type
# $2: interface name
# $3: interface link (optional)
# $4...: additional arguments
interface_add() {
local type="$1" name="$2" link="$3"
do_debug ip link add ${link:+link "$link"} name "$name" type "$type" "${@:4}" || return
if [[ -x "$PROFILE_DIR/interfaces/$name" ]]; then
source "$PROFILE_DIR/interfaces/$name"
fi
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interface_delete() {
bring_interface_down "$1"
ip link delete "$1"
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# $1: interface name
interface_is_up() {
local flags
read flags < "/sys/class/net/${1%%:?*}/flags"
# IFF_UP is defined as 0x1 in linux/if.h
(( flags & 0x1 ))
## Activate an interface
# $1: interface name
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local interface=$1
ip link set dev "$interface" up &>/dev/null
timeout_wait "${TimeoutUp:-5}" 'interface_is_up "$interface"'
## Deactivate an interface
# $1: interface name
bring_interface_down() {
local interface=$1
ip link set dev "$interface" down &>/dev/null
# We reuse the up timeout (down normally is faster)
timeout_wait "${TimeoutUp:-5}" '! interface_is_up "$interface"'
if [[ $# -ne 2 || $1 != @(start|stop) ]]; then
exit_error "Usage: $0 {start|stop} <profile>"
fi
ensure_root netctl
# Ensure we are not in a transient directory
cd /
# Expose the profile name
Profile=$2
load_profile "$Profile"
case $1 in
start)
report_notice "Starting network profile '$Profile'..."
if is_interface "$Interface" && interface_is_up "$Interface" && \
! is_yes "${ForceConnect:-no}"; then
report_error "The interface of network profile '$Profile' is already up"
exit 1
fi
if ! "${Connection}_up"; then
report_error "Failed to bring the network up for profile '$Profile'"
exit 1
fi
# JP: sandbox the eval
if ! ( eval $ExecUpPost ); then
report_error "ExecUpPost failed for network profile '$Profile'"
# Failing ExecUpPost will take the connection down
"${Connection}_down"
exit 1
fi
report_notice "Started network profile '$Profile'"
stop)
report_notice "Stopping network profile '$Profile'..."
# JP: sandbox the eval
if ! ( eval $ExecDownPre ); then
report_error "ExecDownPre failed for network profile '$Profile'"
# Failing ExecDownPre will leave the profile active
exit 1
fi
if ! "${Connection}_down"; then
report_error "Failed to bring the network down for profile '$Profile'"
exit 1
fi
if is_interface "$Interface" && interface_is_up "$Interface" && \
! is_yes "${ForceConnect:-no}"; then
report_error "The interface of network profile '$Profile' did not go down"
exit 1
fi
report_notice "Stopped network profile '$Profile'"
esac
Last edited by rollypolio (2015-02-07 16:37:01)

I honestly don't remember. I believe I was trying to set up i3status dhcp at the time. Could have been the DHCP configuration file I created at /etc/systemd/network that broke my netctl configuration. I should have mentioned that first. I broke the internet and walked away two days ago and it's slowly coming back to me. I don't follow the relation between systemd, netctl, and dhcp configuration so I'm sorry if I'm not picking up on solutions provided in your links.
I commented the file out right after I started receiving those errors.
$cat /etc/systemd/network/MyDhcp.network
#[Match]
#Name=wlp4s0
#[Network]
#DHCP=v4
$ls -la /etc/systemd/network/MyDhcp.network
drwxr-xr-x 2 root root 4096 Feb 6 09:29 .
drwxr-xr-x 5 root root 4096 Feb 5 20:15 ..
-rw-r--r-- 1 root root 43 Feb 6 09:29 MyDhcp.network
$cat /etc/netctl/my-network
Description='A simple WPA encrypted wireless connection'
Interface=wlp4s0
Connection=wireless
Security=wpa
IP=dhcp
ESSID='ap_becca'
# Prepend hexadecimal keys with \"
# If your key starts with ", write it as '""<key>"'
# See also: the section on special quoting rules in netctl.profile(5)
Key='*********'
# Uncomment this if your ssid is hidden
#Hidden=yes
# Set a priority for automatic profile selection
#Priority=10
#cat /etc/netctl/wlp4s0-Nexxt_5F6CB8
Description='Automatically generated profile by wifi-menu'
Interface=wlp4s0
Connection=wireless
Security=none
ESSID=Nexxt_5F6CB8
IP=dhcp
#cat /etc/netctl/wlp4s0-SJBS
Description='Automatically generated profile by wifi-menu'
Interface=wlp4s0
Connection=wireless
Security=wpa
ESSID=SJBS
IP=dhcp
Key=********
I noticed the first profile does not require sudo.
$ ls -la
total 32
drwxr-xr-x 5 root root 4096 Feb 2 09:32 .
drwxr-xr-x 81 root root 4096 Feb 7 09:42 ..
drwxr-xr-x 2 root root 4096 Jan 31 22:50 examples
drwxr-xr-x 2 root root 4096 Jan 13 07:23 hooks
drwxr-xr-x 2 root root 4096 Jan 13 07:23 interfaces
-rw-r--r-- 1 root root 422 Jan 31 22:52 my-network
-rw------- 1 root root 138 Feb 2 09:32 wlp4s0-Nexxt_5F6CB8
-rw------- 1 root root 145 Feb 2 06:36 wlp4s0-SJBS
I hope this helps.
Which one should I be looking at?:
$ls /usr/lib/systemd/system/ | grep netctl
[email protected]
[email protected]
netctl.service
[email protected]
netctl-sleep.service
To repeat myself, I can connect using wifi-menu after I ip link set wlp4s0 down. I'm just looking for a fix so I can set up automatic connections.
EDIT: I deleted /etc/systemd/network/MyDhcp.network and now it works at startup. Any idea why a commented out file would be having an adverse effect like this?
Last edited by rollypolio (2015-02-07 16:41:41)

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