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Unable to connect to Citrix Desktop/Xen App using Java plugin

Posted on 2014-02-04
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Last Modified: 2014-03-23
I have tried version 6 and 7 of java and its exactly the same error on OSX 10.8 and 10.9 using all browsers and on Windows 7 Pro 32 and 64bit. Connection works fine using the native citrix plugin.

The error is:

The connection failed:

java.io.IOException

This is probably due to network problems
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Question by:Ben
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24 Comments
 
LVL 23

Expert Comment

by:Ayman Bakr
ID: 39832089
Best is to use the native Citrix plugin (receiver). But, I guess you might have a valid reason why you want to stick to Java plugin. Check this thread might help you:

https://discussions.apple.com/message/23551439#23551439
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Author Comment

by:Ben
ID: 39832099
Thanks for that, the issue is for the Mac clients wanting to use java to connect. But connecting via java on any platform both windows and mac no longer works so I need to get to the bottom as to why and fix it.

Thanks
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Author Comment

by:Ben
ID: 39832103
Its the same java error as above on both windows and osx when trying to use the java client.
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LVL 23

Expert Comment

by:Ayman Bakr
ID: 39832128
Ok, have you tried the link for Mac OSX?

Moreover, is it possible to ask your client to use the native plugin instead of the Java client? With the Java client certain features provided by Citrix will be missed; moreover, I believe performance is compromised.
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Author Comment

by:Ben
ID: 39832264
Well the native plugin doesn't work for any of the macs. It just says the terminal session is not supported.
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LVL 23

Expert Comment

by:Ayman Bakr
ID: 39834657
Well, what Mac versions and Citrix plugin versions you used on the Macs when you get the error message " terminal session is not supported"?

Did you try the latest plugin downloadable from here?:

https://www.citrix.com/downloads/citrix-receiver/mac/receiver-for-mac-1182.html
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Author Comment

by:Ben
ID: 39835042
Yes tried the latest plug in, its OSX Mavericks though. Lets get back to the original question though of the java plugin not working for both Windows and Mac clients as this is the issue I need to resolve. Thanks for your help though.
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LVL 23

Expert Comment

by:Ayman Bakr
ID: 39835278
Ok, can you provide event IDs logged on the Windows machines in order to get a more in-depth info on the issue?

Can you also post log files related to this from your Mac machines?
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Author Comment

by:Ben
ID: 39853338
java.io.IOException: Unable to open connection
      at com.neoteris.NeoterisSocket.a(Unknown Source)
      at com.neoteris.NeoterisSocket.a(Unknown Source)
      at com.neoteris.NeoterisSocket.<init>(Unknown Source)
      at com.neoteris.NeoterisSocket.<init>(Unknown Source)
      at com.citrix.client.io.net.ip.z.a(Unknown Source)
      at com.citrix.client.io.net.ip.z.a(Unknown Source)
      at com.citrix.client.io.net.ip.z.a(Unknown Source)
      at com.citrix.client.module.td.tcp.TCPTransportDriver.s(Unknown Source)
      at com.citrix.client.module.td.TransportDriver.run(Unknown Source)
      at java.lang.Thread.run(Unknown Source)

This pops up when you click details on the IO error screen/popup
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Author Comment

by:Ben
ID: 39853344
nothing in event log on local machine
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LVL 23

Expert Comment

by:Ayman Bakr
ID: 39853532
Ok James_22b. You are saying you have OSX Mavericks. As per my knowledge, Java 7 doesn't support this version of Mac. Have the Java provided by Apple, Java for OS X 2013-005, installed instead: http://support.apple.com/kb/DL1572. But before doing this, first uninstall java 7 using the instructions here: http://www.java.com/en/download/help/mac_uninstall_java.xml
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Author Comment

by:Ben
ID: 39858593
I have tested it on Lion and Mountain Lion and its the same issue. I'm not sure you understand the issue though.

Just to make it clear that the java error I get as listed above is the same error on any Browser on any Operating system (not just mac) when using the java client on citrix. So the issue is with the Java configuration on the server I would have thought.

Thanks
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LVL 23

Expert Comment

by:Ayman Bakr
ID: 39860229
I am out of ideas, I guess I will not be of help anymore. Perhaps you can raise a request for attention to get other experts on in this thread.
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LVL 62

Expert Comment

by:gheist
ID: 39874424
Java 7 u51 (and respective Java 6 enterprise, openjdk and whatever) plugin does not allow unsigned classes. You need update from citrix properly signing their applet.
Actually it showed warnings in debug windows for last half-year.
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LVL 20

Expert Comment

by:compdigit44
ID: 39874515
In Java what are your network connection properties set to? Are you going direct or though proxy. If using a proxy try setting it to Direct.

I have run into problems in the past on windows client were the "Enable next Generation plug-in..." option in Java -> Advanced has caused problems with so of my apps and disabling this fix things...

Just a thought?
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LVL 62

Expert Comment

by:gheist
ID: 39874573
0
 

Author Comment

by:Ben
ID: 39917803
Hi gheist, how do I get the update from Citrix then ?
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LVL 62

Expert Comment

by:gheist
ID: 39917832
From page i sent:

Installation Instructions

For more information about the receiver, including licensing, client device system requirements, and installation instructions, see the Receiver for Java 10.1 section of Citrix eDocs, the Citrix Product Documentation Library.
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Author Comment

by:Ben
ID: 39920096
Still no luck after that, still the same error grr!
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LVL 62

Expert Comment

by:gheist
ID: 39920193
Receiver is JNLP application
I'd bet there is a plugin patch similar to one I gave.
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Accepted Solution

by:
Ben earned 0 total points
ID: 39937304
getting in citrix consultation to investigate
0
 

Author Closing Comment

by:Ben
ID: 39948376
no solved
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