Multiple versions of Shared Variables on same network

I have 2 seperate reactors working on the same network each deploying ~50 shared variables (different names on each process) communicating with LV 8.5RT running on FP hardware. One of the reactors is requested for new features and to be upgraded. Is it possible to heve 2 different shared variable engines (8.5 and 2010) and versions on the same network and client computer, or am I asking for trouble.
Paul Falkenstein
Coleman Technologies Inc.
CLA, CPI, AIA-Vision
Labview 4.0- 2013, RT, Vision, FPGA
Solved!
Go to Solution.

I believe we address this here: http://forums.ni.com/t5/LabVIEW/multiple-versions-of-Shared-Variables-on-same-network/m-p/1487366#M5...
Sam S
Applications Engineer
National Instruments

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[http://img836.imageshack.us/img836/7308/ifconfignetstathiddenip.jpg]
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Last edited by davidm (2010-02-08 14:51:21)

Basically solved but not yet mastered.
So I've figured out how to do this, it works, but not yet optimally and I am unsure about some things. Namely:
[david@arch-desktop opt]$ ls -l /opt/bin
total 0
lrwxrwxrwx 1 root root 33 Feb 8 07:27 firefox -> /opt/lib/firefox-3.7a1pre/firefox
[david@arch-desktop opt]$ ls -l /opt/lib
total 8
drwxr-xr-x 12 root root 4096 Feb 8 07:27 firefox-3.7a1pre
drwxr-xr-x 3 root root 4096 Feb 8 07:27 firefox-devel-3.7a1pre
[david@arch-desktop opt]$ ls -l /opt/lib/firefox-devel-3.7a1pre
total 8
lrwxrwxrwx 1 root root 25 Feb 8 07:27 bin -> /opt/lib/firefox-3.7a1pre
lrwxrwxrwx 1 root root 31 Feb 8 07:27 idl -> /opt/share/idl/firefox-3.7a1pre
lrwxrwxrwx 1 root root 29 Feb 8 07:27 include -> /opt/include/firefox-3.7a1pre
lrwxrwxrwx 1 root root 39 Feb 8 07:27 lib -> /opt/lib/firefox-devel-3.7a1pre/sdk/lib
drwxr-xr-x 3 root root 4096 Feb 8 07:27 sdk
-rw-r--r-- 1 root root 2082 Feb 8 05:06 xpcom-config.h
[david@arch-desktop lib]$ ls -l /opt/lib/firefox-3.7a1pre
total 17428
-rw-r--r-- 1 root root 2102 Feb 8 07:27 application.ini
-rw-r--r-- 1 root root 2531 Feb 8 07:27 blocklist.xml
-rw-r--r-- 1 root root 232 Feb 8 07:27 browserconfig.properties
drwxr-xr-x 3 root root 4096 Feb 8 07:27 chrome
drwxr-xr-x 2 root root 4096 Feb 8 07:27 components
drwxr-xr-x 5 root root 4096 Feb 8 07:27 defaults
-rw-r--r-- 1 root root 139 Feb 8 07:27 dependentlibs.list
drwxr-xr-x 2 root root 4096 Feb 8 07:27 dictionaries
drwxr-xr-x 3 root root 4096 Feb 8 07:27 extensions
-rwxr-xr-x 1 root root 3913 Feb 8 07:27 firefox
-rwxr-xr-x 1 root root 56788 Feb 8 07:27 firefox-bin
-rw-r--r-- 1 root root 76888 Feb 8 07:27 greprefs.js
drwxr-xr-x 2 root root 4096 Feb 8 07:27 icons
-rwxr-xr-x 1 root root 1846520 Feb 8 07:27 libmozjs.so
-rwxr-xr-x 1 root root 900176 Feb 8 07:27 libmozsqlite3.so
-rwxr-xr-x 1 root root 11540 Feb 8 07:27 libxpcom.so
-rwxr-xr-x 1 root root 14796800 Feb 8 07:27 libxul.so
-rw-r--r-- 1 root root 30826 Feb 8 07:27 LICENSE
drwxr-xr-x 2 root root 4096 Feb 8 07:27 modules
-rwxr-xr-x 1 root root 3108 Feb 8 07:27 mozilla-runtime
-rwxr-xr-x 1 root root 10720 Feb 8 07:27 mozilla-xremote-client
-rw-r--r-- 1 root root 154 Feb 8 07:27 platform.ini
drwxr-xr-x 2 root root 4096 Feb 8 07:27 plugins
-rw-r--r-- 1 root root 177 Feb 8 07:27 README.txt
-rw-r--r-- 1 root root 16712 Feb 8 07:27 removed-files
drwxr-xr-x 6 root root 4096 Feb 8 07:27 res
-rwxr-xr-x 1 root root 10370 Feb 8 07:27 run-mozilla.sh
drwxr-xr-x 2 root root 4096 Feb 8 07:27 searchplugins
[david@arch-desktop include]$ ls -l /opt/include
total 80
drwxr-xr-x 11 root root 77824 Feb 8 07:27 firefox-3.7a1pre
It seems as though it is a bit messy, as if I have more than I need installed. Especially the two entries in /opt/lib/. Do I really need all this?
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# Maintainer: Devin Cofer <ranguvar{AT]archlinux[DOT}us>
# Contributor: blasse <koralik(at)gmail(dot)com>
# PKGBUILD MODIFIED The above info does not apply. Modified by davidm for personal use, not intended for distribution.
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'firefox-safe-minefield-smp.desktop'
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#Original hashes
# sha256sums=('8d08ee111b88473a53e8c0852d463971af7a827f796a94d3fe74ca2eed76ca0b'
# '21722965bb0bab05e3fbd2f584dbcaeb9f0726ed755f59bbf6fb26a7f964e6ec'
# '00641e2d7ba45a607522a621aa86c21e13b2951ebca920b1e0b538b0e1188445'
# 'd4948cc5878b2100b4d19b0fbc09119c34377593c5847678d5788db2b4e0fe43'
# '0ca095ff2af57297f615877a7e79ddc84d1a3f62509a8af6ca50aad7a8671f6a'
# '0e9631fdad5efa3fd7a95b59171f5d15420d10aa61748b920cc994ee9227915c'
# 'e6b8345215eb0c595cadfd6b1abb3a12a1cad8b8b1f3528e6affc58900695215'
# 'bf53a9712aada73dbecb45516bf932b52e7b8debf25cf19294adbfcc54d80028')
#My MODIFIED HAshes
md5sums=('ee857ec52fe3c7a047a282cfc5587d07'
'68cf02788491c6e846729b2f2913bf79'
'5e68cabfcf3c021806b326f664ac505e'
'63eee2d1da3b43c9d604f2253f242f40'
'bd5db57c23c72a02a489592644f18995'
'9e461e5fc73b241d68d08be908405a5e'
'df6fde73c9fdb38245f50b9b5bb09024'
'9587e0e6da42c883e34a46ee35cc3b7d')
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_ff_hgroot="http://hg.mozilla.org/projects/electrolysis"
build() {
msg "* Note: If the build fails, try again, try without jemalloc PGO, and try *"
msg "* without PGO at all. Also, try with 'potential-pgo-fix.patch'. PGO can be *"
msg "* temperamental -- it can sometimes take two or three builds before you'll *"
msg "* get a good one. *"
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# The commented lines are for use by experienced users who build often.
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# tar xf "$startdir/mozilla-$_mozver.tar.gz" || return 1
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# hg pull || return 1
# hg update || return 1
# cd ..
# tar czf "$startdir/mozilla-$_mozver.tar.gz" "mozilla-$_mozver" || return 1
# cd "mozilla-$_mozver"
# hg up "$_workingrev" || return 1 # Comment out this line to use the untested latest source.
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if [ "$(check_option strip)" = "n" ]; then
sed -i 's/--enable-strip/--disable-strip/' \
.mozconfig || return 1
sed -i 's/--enable-install-strip/--disable-install-strip/' \
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fi
if [ "$_soundsystem" = "oss" ]; then
msg "Using OSS instead of ALSA."
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media/libsydneyaudio/src/Makefile.in || return 1
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sed -i '/alsa\//d' config/system-headers || return 1
sed -i '/alsa\//d' js/src/config/system-headers || return 1
sed -i '/LIB(asound/d' configure.in || return 1
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LD_PRELOAD="" /usr/bin/Xvfb -nolisten tcp -extension GLX :99 &
XPID=$!
DISPLAY=:99 LD_PRELOAD="" make -j1 -f client.mk profiledbuild \
MOZ_MAKE_FLAGS="$MAKEFLAGS" || return 1
kill -9 $XPID
package() {
cd "$srcdir/mozilla-$_mozver"
make -j1 DESTDIR="$pkgdir" -C ff-pgo install || return 1
# install -Dm644 "$srcdir/mozilla-$_mozver/other-licenses/branding/firefox/mozicon128.png" \
# "$pkgdir/usr/share/pixmaps/firefox.png" || return 1
# install -Dm644 "$srcdir/firefox--minefield-smp.desktop" \
# "$pkgdir/usr/share/applications/firefox-minefield-smp.desktop" || return 1
# install -Dm644 "$srcdir/firefox-safe-minefield-smp.desktop" \
# "$pkgdir/usr/share/applications/firefox-safe-minefield-smp.desktop" \
# || return 1
# Remove devel stuff.
rm -rf "$pkgdir/usr/include/"
rm -rf "$pkgdir/usr/lib/firefox-devel-$_prever/"
rm -rf "$pkgdir/usr/share/idl/"
mozconfig:
ac_add_options --enable-application=browser
mk_add_options MOZ_CO_PROJECT=browser
ac_add_options --prefix=/opt --libdir=/opt/lib
## System libs are preferred
ac_add_options --with-system-nss --with-system-jpeg --with-pthread
ac_add_options --with-system-zlib --with-system-libpng --with-system-bz2
ac_add_options --enable-system-cairo --with-system-hunspell --with-system-sqlite
ac_add_options --with-system-nspr
## GNU/Linux stuff
ac_add_options --disable-installer --disable-updater
ac_add_options --enable-official-branding
ac_add_options --enable-startup-notification
## Optimize
ac_add_options --disable-pedantic --enable-jemalloc --enable-xterm-updates
### Reverse these lines (enable vs disable) for a debug build
ac_add_options --enable-optimize --disable-debug --disable-tests
ac_add_options --enable-profile-guided-optimization
ac_add_options --enable-strip --enable-install-strip
## Edit these as you see fit
ac_add_options --disable-crashreporter --disable-parental-controls
ac_add_options --enable-printing --enable-xinerama
# Sane settings include cairo-gtk2-df, cairo-gtk2, and cairo-qt.
ac_add_options --enable-default-toolkit=cairo-gtk2
ac_add_options --enable-places --enable-svg --enable-pango --enable-canvas
ac_add_options --enable-smil --disable-java-xpcom --enable-canvas3d
# This is disabled in order to speed Firefox up, it prevents checking Google
# for every single URL Firefox processes. If you're using this package, it's likely you already
# know enough to be safe online, or are paranoid (perhaps with reason) about
# Google getting your URLs. Also, this is GNU/Linux, we have somewhat less to fear ;-)
ac_add_options --disable-safe-browsing
mk_add_options MOZ_OBJDIR=@TOPSRCDIR@/ff-pgo
mk_add_options PROFILE_GEN_SCRIPT='$(PYTHON) $(MOZ_OBJDIR)/_profile/pgo/profileserver.py'
export BUILD_OFFICIAL=1
export MOZILLA_OFFICIAL=1
mk_add_options BUILD_OFFICIAL=1
mk_add_options MOZILLA_OFFICIAL=1
# Want to change the compiler?
#export CC='gcc-4.5'
#export CXX='g++-4.5'
^ A dirty hack to download the latest nightly of the electrolysis tree, pgo optimized for an intel i686 P4 (not native to get around the seg fault bug). I just commented out the .desktop files as well as the icon for now. Also the conflicts and provides section have merely been commented out. The goal is to have this work independently from the standard firefox allowing me to run both on the system at the same time.
Anyone see anything that I have missed and could fix as far as doing the separate install in /opt using makepkg and the pkgbuild? I've been using arch less than a month and this is the first I've really hacked with a PKGBUILD and mozconfig so I feel I could really use the help. Any insight appreciated greatly.
Last edited by davidm (2010-02-08 15:25:49)

Network shared variables lose binding

Hello,
I am developing an application in LabVIEW that uses network shared variables to transmit data between two PC's on the same subnet. The shared variables work fine when running the VI's in development mode, however, when i build the vi's into an executable I find that they no longer work. Here is what I have found so far:
I deploy the shared variable library on the publisher machine (also happens to be the development machine) through an invoke node in the executable. NI distributed system manager confirms that this does deploy and indeed updates as it should.
For the executable on the subscriber PC I created a second shared variable library (same project) with the same shared variables and bound them to the respective shared variables from the first library by selecting enable aliasing, then bind to PSP URL and browsing to the shared variable I wish to bind it to (e.g. \\hallnet-ellm2\shared variable library\serial Number). The machines listed under browse were listed by name so when I tried this initially and it did not work I manually changed the name of my machine in the URL box to the IP address of the publisher hoping that would fix it in case the subscriber could not resolve the publishers machine alias. So now my bind URL read \\192.168.0.1\shared variable library\serial Number.
As part of the executable on the subscriber I deploy this second shared variable library. NI distributed system manager confirms that this deploys but under quality for an individual variable it has a list of issues (see attached) and the bound variable is not updating. At this point the publisher shared variables are still functioning fine. By clicking on 'edit variable' I can see that the variable on the subscriber is still bound but the PSP URL is now \\localhost\shared variable library\serial number. Changing the PSP URL on the subscriber to \\192.168.0.1\shared variable library\serial number enables the variable to update as expected.However by this time my executable has already picked up the error and does not function.
I think that the issue lies with the bind URL used on the subscriber as for some reason it does not keep the binding configured in the project and instead changes to 'localhost'. Why is this? Should it not stay bound to the address specified in the project?
I have tried changing the IP addresses in the aliases file so that
[My Computer]
My Computer=localhost
becomes
[My Computer]
My Computer=ip of local machine
This did not help.
The shared variable libraries are included in the build spec to go into the support files directory and they are successfully deployed from there on both publisher and subscriber.
I am using LabVIEW 8.6 on Windows XP
Thanks for any help you may be able to offer,
Lee
Attachments:
distributed system manager.JPG ‏74 KB

Hi Lee,
I hope you are well. Thank you for your post. Your application sounds very interesting.
Looking at your issue I was wondering, have you tried lowering your firewalls, as this may be causing the problem.
Also, another option would be to setup a private network. Do you have access to any routers that you could use to link the two machines independent of your IT's infrastructure?
The other thing to try is two other computers entirely. Again, it would be ideal to take them off the network you are on, but it's something to try if my prior suggestion doesn't work. It should work on the original two machines though, and it's likely that different computers won't solve your problems because I suspect the network.
Remember that the client variables must know the location of the variables on the server, so you can't move the server exe around without changing this value.
Make sure to set the network location in the "Bind to Source" option for the client variables.
It is also possible to write a separate piece of code to install on every machine that is responsible for deploying the library and by doing so eliminate the need for programmatically deploying the variables in the original application. However, this won't really help you, because the variables you use in the application have to be the same as the ones deployed in the library, so if you change the library, they'll no longer be linked and they won't receive data. You'd have to create a separate exe for every binding source you wanted to link to, and then have a second, known library for the sake of communication locally on the computer between the ‘deployer’ and the actual application. The main application could then be assigned the responsibility of launching the correct ‘deployer’' if it sees it needs to switch to a different variable binding source. This method is not the most streamlined or effective, but it might work.
Just to let you know, you will need to use the DSC toolkit.
Please find below some knowledge base links that I think you will find helpful in your application.
Using Shared Variables in Executables
How do I Programmatically Change the Data Binding Source for Shared Variables?
I hope this information helps and if you can give these suggestions a go and let me know how you get on, that would be great.
Kind regards,
Prashant M
Applications Engineer
NI UK & Ireland

Can I use multiple sa-ns500 on the same network?

Is it possible to use multiple sa-ns500 speakers on the same network? they seem to want to have the same name on the network and therefore only 1 will connect at a time? Can I rename one somehow? Thanks!

Hello Brian,
Welcome to Sony Community.
Please check for the Secure Link option in the Home Theater System or A/V Receiver. This will help isolate the connection to the different Network speakers.
Yes, you can use multiple Network speakers on the same home network.
You can change the Device name using the Setting screen on the browser.
Follow the steps mentioned on the page # 34 and 35 of the User’s manual to start up the browser of the Network speakers and change the Device name.
If my post answers your question, please mark it as an "Accepted Solution."

J2EE Shared Libraries - Multiple Versions

WLP 10.2, Studio 1.1
Below is the list of shared libraries in the wl console. There are multiple versions of some libraries. Does the performance improve if we remove them?
beehive-controls-1.0(1.0,1.0) Active Library 1
beehive-controls-1.0-war(1.0,1.0) Active Library 1
beehive-controls-1.0.1-10.0(1.0,1.0.1.1) Active Library 1
beehive-controls-1.0.1-10.0(1.0,1.0.2.2) Active Library 1
beehive-controls-1.0.1-10.0-war(1.0,1.0.2.2) Active Library 1
beehive-netui-1.0(1.0,1.0) Active Library 1
beehive-netui-1.0.1-10.0(1.0,1.0.2.2) Active Library 1
beehive-netui-resources-1.0(1.0,1.0) Active Library 1
beehive-netui-resources-1.0.1-10.0(1.0,1.0.2.2) Active Library 1
content-management-app-lib(10.2.0,10.2.0) Active Library 1
content-management-app-lib(10.2.0,10.2.0.1) Active Library 1
content-management-web-lib(10.2.0,10.2.0) Active Library 1
content-management-web-lib(10.2.0,10.2.0.1) Active Library 1
jsf-myfaces(1.1,1.1.3) Active Library 1
jsf-ri(1.1,1.1.1) Active Library 1
jstl(1.1,1.1.2) Active Library 1
p13n-app-lib(10.2.0,10.2.0) Active Library 1
p13n-app-lib(10.2.0,10.2.0.1) Active Library 1
p13n-web-lib(10.2.0,10.2.0) Active Library 1
p13n-web-lib(10.2.0,10.2.0.1) Active Library 1
struts-1.1(1.1,1.0) Active Library 1
struts-1.2(1.2,1.2.9) Active Library 1
webdav-app-lib(10.2.0,10.2.0) Active Library 1
webdav-app-lib(10.2.0,10.2.0.1) Active Library 1
webdav-web-lib(10.2.0,10.2.0) Active Library 1
webdav-web-lib(10.2.0,10.2.0.1) Active Library 1
weblogic-controls-1.0(1.0,1.0) Active Library 1
weblogic-controls-1.0-war(1.0,1.0) Active Library 1
weblogic-controls-10.0(10.0,10.0) Active Library 1
weblogic-controls-10.0(10.0,10.2) Active Library 1
weblogic-controls-10.0-war(10.0,10.2) Active Library 1
wlp-analytics-app-lib(10.2.0,10.2.0) Active Library 1
wlp-analytics-app-lib(10.2.0,10.2.0.1) Active Library 1
wlp-analytics-web-lib(10.2.0,10.2.0) Active Library 1
wlp-analytics-web-lib(10.2.0,10.2.0.1) Active Library 1
wlp-clipper-web-lib(10.2.0,10.2.0) Active Library 1
wlp-clipper-web-lib(10.2.0,10.2.0.1) Active Library 1
wlp-collab-api-app-lib(10.2.0,10.2.0) Active Library 1
wlp-collab-api-app-lib(10.2.0,10.2.0.1) Active Library 1
wlp-collab-portlets-app-lib(10.2.0,10.2.0) Active Library 1
wlp-collab-portlets-app-lib(10.2.0,10.2.0.1) Active Library 1
wlp-collab-portlets-web-lib(10.2.0,10.2.0) Active Library 1
wlp-collab-portlets-web-lib(10.2.0,10.2.0.1) Active Library 1
wlp-commonui-web-lib(10.2.0,10.2.0) Active Library 1
wlp-commonui-web-lib(10.2.0,10.2.0.1) Active Library 1
wlp-content-ui-framework-web-lib(10.2.0,10.2.0) Active Library 1
wlp-content-ui-framework-web-lib(10.2.0,10.2.0.1) Active Library 1
wlp-framework-common-web-lib(10.2.0,10.2.0) Active Library 1
wlp-framework-common-web-lib(10.2.0,10.2.0.1) Active Library 1
wlp-framework-full-app-lib(10.2.0,10.2.0) Active Library 1
wlp-framework-full-app-lib(10.2.0,10.2.0.1) Active Library 1
wlp-framework-full-web-lib(10.2.0,10.2.0) Active Library 1
wlp-framework-full-web-lib(10.2.0,10.2.0.1) Active Library 1
wlp-framework-rest-web-lib(10.2.0,10.2.0) Active Library 1
wlp-framework-rest-web-lib(10.2.0,10.2.0.1) Active Library 1
wlp-framework-struts-1.1-web-lib(10.2.0,10.2.0) Active Library 1
wlp-framework-struts-1.1-web-lib(10.2.0,10.2.0.1) Active Library 1
wlp-framework-struts-1.2-web-lib(10.2.0,10.2.0) Active Library 1
wlp-framework-struts-1.2-web-lib(10.2.0,10.2.0.1) Active Library 1
wlp-groupspace-app-lib(10.2.0,10.2.0) Active Library 1
wlp-groupspace-app-lib(10.2.0,10.2.0.1) Active Library 1
wlp-groupspace-web-lib(10.2.0,10.2.0) Active Library 1
wlp-groupspace-web-lib(10.2.0,10.2.0.1) Active Library 1
wlp-light-web-lib(10.2.0,10.2.0) Active Library 1
wlp-light-web-lib(10.2.0,10.2.0.1) Active Library 1
wlp-lookandfeel-web-lib(10.2.0,10.2.0) Active Library 1
wlp-lookandfeel-web-lib(10.2.0,10.2.0.1) Active Library 1
wlp-propagation-app-lib(10.2.0,10.2.0) Active Library 1
wlp-propagation-app-lib(10.2.0,10.2.0.1) Active Library 1
wlp-propagation-web-lib(10.2.0,10.2.0) Active Library 1
wlp-propagation-web-lib(10.2.0,10.2.0.1) Active Library 1
wlp-rest-full-web-lib(10.2.0,10.2.0) Active Library 1
wlp-rest-full-web-lib(10.2.0,10.2.0.1) Active Library 1
wlp-rest-web-lib(10.2.0,10.2.0) Active Library 1
wlp-rest-web-lib(10.2.0,10.2.0.1) Active Library 1
wlp-sample-dvt-web-lib(10.2.0,10.2.0) Active Library 100
wlp-sample-lookandfeel-web-lib(10.2.0,10.2.0) Active Library 100
wlp-services-app-lib(10.2.0,10.2.0) Active Library 1
wlp-services-app-lib(10.2.0,10.2.0.1) Active Library 1
wlp-services-web-lib(10.2.0,10.2.0) Active Library 1
wlp-services-web-lib(10.2.0,10.2.0.1) Active Library 1
wlp-tools-admin-app-lib(10.2.0,10.2.0) Active Library 1
wlp-tools-admin-app-lib(10.2.0,10.2.0.1) Active Library 1
wlp-tools-analytics-app-lib(10.2.0,10.2.0) Active Library 1
wlp-tools-analytics-app-lib(10.2.0,10.2.0.1) Active Library 1
wlp-tools-analytics-web-lib(10.2.0,10.2.0) Active Library 1
wlp-tools-analytics-web-lib(10.2.0,10.2.0.1) Active Library 1
wlp-tools-app-lib(10.2.0,10.2.0) Active Library 1
wlp-tools-app-lib(10.2.0,10.2.0.1) Active Library 1
wlp-tools-common-app-lib(10.2.0,10.2.0) Active Library 1
wlp-tools-common-app-lib(10.2.0,10.2.0.1) Active Library 1
wlp-tools-common-web-lib(10.2.0,10.2.0) Active Library 1
wlp-tools-common-web-lib(10.2.0,10.2.0.1) Active Library 1
wlp-tools-content-app-lib(10.2.0,10.2.0) Active Library 1
wlp-tools-content-app-lib(10.2.0,10.2.0.1) Active Library 1
wlp-tools-content-web-lib(10.2.0,10.2.0) Active Library 1
wlp-tools-content-web-lib(10.2.0,10.2.0.1) Active Library 1
wlp-tools-custom-app-lib(10.2.0,10.2.0) Active Library 1
wlp-tools-custom-app-lib(10.2.0,10.2.0.1) Active Library 1
wlp-tools-custom-web-lib(10.2.0,10.2.0) Active Library 1
wlp-tools-custom-web-lib(10.2.0,10.2.0.1) Active Library 1
wlp-tools-framework-app-lib(10.2.0,10.2.0) Active Library 1
wlp-tools-framework-app-lib(10.2.0,10.2.0.1) Active Library 1
wlp-tools-framework-web-lib(10.2.0,10.2.0) Active Library 1
wlp-tools-framework-web-lib(10.2.0,10.2.0.1) Active Library 1
wlp-tools-full-console-app-lib(10.2.0,10.2.0) Active Library 1
wlp-tools-full-console-app-lib(10.2.0,10.2.0.1) Active Library 1
wlp-tools-full-console-web-lib(10.2.0,10.2.0) Active Library 1
wlp-tools-full-console-web-lib(10.2.0,10.2.0.1) Active Library 1
wlp-tools-im-app-lib(10.2.0,10.2.0) Active Library 1
wlp-tools-im-app-lib(10.2.0,10.2.0.1) Active Library 1
wlp-tools-im-web-lib(10.2.0,10.2.0) Active Library 1
wlp-tools-im-web-lib(10.2.0,10.2.0.1) Active Library 1
wlp-tools-portal-app-lib(10.2.0,10.2.0) Active Library 1
wlp-tools-portal-app-lib(10.2.0,10.2.0.1) Active Library 1
wlp-tools-portal-web-lib(10.2.0,10.2.0) Active Library 1
wlp-tools-portal-web-lib(10.2.0,10.2.0.1) Active Library 1
wlp-tools-serviceadmin-app-lib(10.2.0,10.2.0) Active Library 1
wlp-tools-serviceadmin-app-lib(10.2.0,10.2.0.1) Active Library 1
wlp-tools-serviceadmin-web-lib(10.2.0,10.2.0) Active Library 1
wlp-tools-serviceadmin-web-lib(10.2.0,10.2.0.1) Active Library 1
wlp-tools-support-app-lib(10.2.0,10.2.0) Active Library 1
wlp-tools-support-app-lib(10.2.0,10.2.0.1) Active Library 1
wlp-tools-ugm-app-lib(10.2.0,10.2.0) Active Library 1
wlp-tools-ugm-app-lib(10.2.0,10.2.0.1) Active Library 1
wlp-tools-ugm-web-lib(10.2.0,10.2.0) Active Library 1
wlp-tools-ugm-web-lib(10.2.0,10.2.0.1) Active Library 1
wlp-tools-visitor-web-lib(10.2.0,10.2.0) Active Library 1
wlp-tools-visitor-web-lib(10.2.0,10.2.0.1) Active Library 1
wlp-webdav-app-lib(10.2.0,10.2.0) Active Library 1
wlp-webdav-app-lib(10.2.0,10.2.0.1) Active Library 1
wlp-webdav-web-lib(10.2.0,10.2.0) Active Library 1
wlp-webdav-web-lib(10.2.0,10.2.0.1) Active Library 1
wlp-wsrp-producer-web-lib(10.2.0,10.2.0) Active Library 1
wlp-wsrp-producer-web-lib(10.2.0,10.2.0.1) Active Library 1
wls-commonslogging-bridge(1.0,1.1) Active Library 1
wls-commonslogging-bridge-war(1.0,1.1) Active Library 1

Hello,
The multiple versions of shared libraries are done for patching reasons; when a patch is issued it uses the slightly-higher version shared library to override the settings in the main library.
So you really don't want to remove any of them.
Kevin

Managing Multiple Versions of LabVIEW on same Computer

With a new version of LabVIEW coming out every year, and service packs every 6 months, what is the best way of keeping different versions of LabVIEW (8.6, 2009, 2010 SP1) on the same computer, without being effected by new installations?
I have read up on some people using virtual machines to do this. From past experience with virtual machines, I remember only being able to
use a single monitor with the VM. However, it is very helpful to have 2 monitors when programming; are there VMs that can run in 2 monitors (just like
a normal OS?)
Thanks for the input.
--CLD--
LV 6.1, 8.6.1, 2011 SP1, 2012 SP1

Hi Jim,
I have installed multiple versions of LabVIEW on the same PC. When doing upgrades, such as a service pack, it does not affect other installed versions. This was done as a regular install in the OS, not using Virtual Machines.
I have been doing this since 2001, and for some customers, they have versions ranging from 6.1 to 2009. Only in one recent situation has there been an unusual event with multiple parallel installations. It was due to a DAQmx driver installation (long story).
Overlaping drivers should not be an issue. The issue with the DAQmx driver was that I forced to revert a LV8.2 driver by cheating on the installation. It worked for 8.2 but screwed up something in 2010. That was because I did not install the DAQmx drivers the way they were supposed to be installed.

Do I need to set host side shared variables to RT FIFO?

Hello there,
in my application a LV host application communicates with compact RIO through shared variables. On cRIO i have some shared vars with RT FIFO enabled. On host side for those vars which are bound to cRIO i did the same. Is that neccessary?
In general I am confused about shared variable settings on both sides, for example when I want network buffering. Do I set buffering on RT side or on PC side or on both, what is the difference?
regards
Thomas

Dear Thomas,
thank you so much for your post. The shared variable with RT FIFO enabled works the same as the RT FIFO functions on the RT functions palette. The RT FIFO is for communication between the higher priority loop and the normal priority loop. You can see it like this; if the shared variable with RT Fifo enabled is network published there is a communication loop (hidden) which publishes the shared variable to the network port of the cRIO system. The RT FIFO option is only for the communication between your high priority loop and this hidden loop. The hidden loop is executed when the higher priority loop is idle. Again I speak about hidden loop just to create a clear picture.
So for your PC side no RT FIFO is needed. Please notice that by using shared variables you can lose data; for example the cRIO publishes the data faster then your PC can read the data; you will lose data points. Shared variables are based on UDB, you can see it like a radio station which is transmitting. It doesn't matter if people are listing to the radio station. Use the TCP functions (for example theSTM library ) or the network stream API if you don't want to lose data.
Please let me know if you have any further questions,
Best regards,
Martijn S
Applications Engineer
NI Netherlands

Multiple versions of Shared Variables on same network

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