QZTray on Windows 7

[Joshua King]

I've got a few client computers on Windows 7 64-bit, most of them worked fine with QZTray. I have one that nothing seems to happen when I launch QZTray, I've tried re-installing Java, re-installing QZTray, turning off anti-virus, and disabling everything in msconfig startup. No luck.

Anything else I should try?

Thanks!

[Tres Finocchiaro]

Joshua,

Can you try launching in debug mode?

https://qz.io/wiki/faq#how-do-i-debug-qz-tray

I've got a few client computers on Windows 7 64-bit, most of them worked fine with QZTray. I have one that nothing seems to happen when I launch QZTray, I've tried re-installing Java, re-installing QZTray, turning off anti-virus, and disabling everything in msconfig startup. No luck.

Anything else I should try?

Thanks!

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[Joshua King]

That runs it as long as I keep the cmd line window open, here's the output:

Microsoft Windows [Version 6.1.7601]

Copyright (c) 2009 Microsoft Corporation.  All rights reserved.

I entered: java -jar "%PROGRAMFILES%\QZ Tray\qz-tray.jar"

Sep 03, 2015 5:48:29 PM qz.utils.ShellUtilities execute

INFO: Executing: [C:\Windows\system32\reg.exe, query, HKCU\Software\Microsoft\Wi

ndows\CurrentVersion\Internet Settings\Zones\1, /v, Flags]

Sep 03, 2015 5:48:29 PM qz.auth.CRL$1 run

INFO: Loading CRL https://crl.qz.io...

Sep 03, 2015 5:48:29 PM qz.utils.ShellUtilities execute

INFO: Executing: [C:\Windows\system32\reg.exe, query, HKCU\Software\Microsoft\Wi

ndows\CurrentVersion\Run\, /v, QZ Tray]

Sep 03, 2015 5:48:29 PM qz.deploy.DeployUtilities loadSSLProperties

INFO: SSL properties file from C:\Program Files\QZ Tray\qz-tray.properties

2015-09-03 17:48:29.850:INFO::main: Logging initialized @1296ms

2015-09-03 17:48:29.913:INFO:oejs.Server:main: jetty-9.2.z-SNAPSHOT

2015-09-03 17:48:29.944:INFO:oejs.ServerConnector:main: Started ServerConnector@

6824be{HTTP/1.1}{0.0.0.0:8182}

2015-09-03 17:48:29.975:INFO:oejs.ServerConnector:main: Started ServerConnector@

bb4df8{SSL-HTTP/1.1}{localhost:8181}

2015-09-03 17:48:29.975:INFO:oejs.Server:main: Started @1427ms

Sep 03, 2015 5:48:29 PM qz.common.TrayManager$14 run

INFO: Tray Message: Server started on port(s) 8182, 8181

Sep 03, 2015 5:48:29 PM qz.ws.PrintWebSocketServer runServer

INFO: Server started on port(s) 8182, 8181

Sep 03, 2015 5:48:30 PM qz.auth.CRL$1 run

INFO: Successfully loaded 1 CRL entries from https://crl.qz.io

[Tres Finocchiaro]

Can you type the following in a CMD window?

assoc .jar

Note the space between the word "assoc" and the word ".jar".

If this comes back as anything except "jarfile", can you open a new CMD window, but this time, Right Click, Run As Administrator.

Then type:

assoc .jar=jarfile

And then try the desktop shortcut again.

If this works properly, we can add a dialog box to our next version to do this automatically at install.

-Tres 

- Tres.Fin...@gmail.com

[Joshua King]

It was already set to jarfile.

[Tres Finocchiaro]

If the manual launch method works fine and the jar file association is correct, it is likely that you have a corrupt registry key somewhere or a corrupt Java installation.

Can you try double-clicking qz-tray.jar and post your results?

If this works, can you send us the shortcut that is broken so that we can examine it?

[Joshua King]

Double-clicking doesn't work. Re-installed Java, no dice. 

I ended up just creating a batch file with the following: start /min java -jar "%PROGRAMFILES%\QZ Tray\qz-tray.jar"

Might be worth doing for the installer so you're less reliant on file associations and the registry to ensure the app runs?

[Joshua King]

Negative to it though, there's now an instance of Java running in the taskbar like a program. So this will work as a band-aid, but is not a good permanent solution as it's more likely my end-user's will close this than a system tray icon.

[Tres Finocchiaro]

You can use javaw.exe instead (directly, not in a batch file) of java.exe to hide the console window, but the solution you've provided won't make it into our installer without some improvements first.

Oracle does some things which are non-ideal such as placing a copy of java.exe in C:\Windows\System32, which is sloppy and problematic since the proper version is installed in Program Files\Java.

Currently, we use a Windows LNK shortcut to the JAR or for the Desktop shortcut we use a URL formatted shortcut to launch the JAR with the associated program (you've confirmed these values are correct, so I think something else is going on).  Our approach works 99.9% of the time so as long as the JAR file associate is correct (sorry that you are in the 0.1% here).

The ideal approach would be to detect the current version of Java and launch it directly by path.  On Apple we've taken a similar approach, but out of necessity since Apple blocks the command line version unless you have the SDK installed.

We may move to a similar method for Windows as well, which we have mostly written, but would have to launch a script each time.  Accommodating all edge cases takes a lot of time (such as this Firefox detection script), but we need to know why the process is failing in order to improve upon it.

- Tres.Fin...@gmail.com