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Question by Mike T. · Nov 04, 2013 at 09:52 AM · appmon

AppMon WebStart client

Is there an update on when this will be fixed?

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Answer by Jürg A. · Mar 17, 2014 at 06:15 AM

Hi Dominik,

since the JVM of the machine in question is out of our control, I've tried to start the client using the command suggested in the post you pointed out:

javaws -wait -J-Dcom.dynatrace.client.jvmrestriction.ignore=true -J-Xmx2048m http://<server>:8020/webstart/Client/client.jnlp

This seems to work fine. Thanks for your help!

Jürg

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Answer by Jürg A. · Mar 17, 2014 at 05:23 AM

Hi,

are there any news on this?
We'd be very grateful if there's some kind of workaround available in order to run the dT 5.6 webstart client in a Windows/Java 7/64bit environment.
Any help is highly appreciated!

Regards,
Jürg

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avatar image Dominik S. · Mar 17, 2014 at 05:50 AM 0
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Hi,

there are two options:

  • you can install 32-bit Java (can be installed alongside the 64-bit version) and use the steps listed at Re: Open dynaTrace 5.5 client with 32 bit javaws to start the Client using this
  • or you can try to start the WebStart Client with 64-bit java with the workaround described at Re: dynaTrace Client out of Memory - 64 bit Client?

Hope one of those helps.

Dominik.

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Answer by Pete B. · Feb 25, 2014 at 09:08 AM

This is Windows.  It's an unusual situation for us, a developer with a 64 bit workstation environment.  We just have to use the workstation client as the web start doesn't seem to work with 64 bit Java.  Just thought I'd throw it out there in case there was a solution I was not aware or, and so that others may be aware of it.

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Answer by Guenter H. · Feb 21, 2014 at 08:32 AM

Hi again, Pete,
just stumbled across your post here and I know from your 5.0 to 5.6 upgrade that you use Linux for your Server / Collectors.

The stand-alone Client on Windows should just work fine with its private JRE 1.7, but on 64 bit Linux the Clients (Web start or stand-alone) are some sort of hack you may not want to get into. (On a 32 bit Linux VM (or a Mac) it would be just fine.)

So, what platform are you referring to?
Regards
G.

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Answer by Pete B. · Feb 20, 2014 at 11:50 AM

We've been working around the Java 1.7 problem with web start clients for a while now.  With our recent implementation of dt 5.6 we thought we had it solved, but apparently there are some issues with 64 vs. 32 bit JRE's.  Below are comments from our developer who ran into it.  Anyone else experiencing this and have anything to share regarding it?

"Eventually I was able to get the new client running. The problem I faced was I have the 64 bit version of 1.7 as well as the 32 bit as I'm running eclipse with the 64 bit version. The dynatrace client only works with the 32 bit client of java, but since I had the 64 installed it defaults to that so the client doesn't work. I tried adding the 32 bit runtime to the java config and opening the JNLP file with the 32 bit version but due to the fact that the name of the exe is the same as the 64 bit it still opens with the 64 bit.

The only way that I could get it to run was going to the command prompt and going to the 32 bit java bin folder and running the client from the command prompt.

Unless there is a way that I don't know about to force the file to be opened with the correct version of java this will just be a pain so I'll just download the desktop client and hope it doesn't have the same issue."

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Answer by Jim M. · Feb 10, 2014 at 09:20 AM

Thanks for the quick respose.  Any chance Dynatrace 5.5 will work?

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avatar image Dominik S. · Feb 10, 2014 at 09:57 AM 0
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Sure, there is a public FixPack 5.5.0.5562 which contains the necessary fixes for Java 1.7.0_45 and higher, see the Technical Alerts for details. This also works with _51!

(smile)

 

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Answer by Jim M. · Feb 10, 2014 at 09:11 AM

Does the 5.6 client work with Java 1.7_51?  It sounds like things are still broken.  Our security deparatment will be pushing Java 1.7_51 very soon. I need to know if the webstart client works with this release.

Please advise.

 

Thanks,

Jim

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avatar image Dominik S. · Feb 10, 2014 at 09:15 AM 0
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Hi, please see my comment above, we verified that the changes that we did to make Webstart Client work with Java 1.7.0_45 also work with Java 1.7.0_51, so you should be fine using dynaTrace 5.6.

 

Thanks... Dominik

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Answer by Rajesh J. · Jan 22, 2014 at 02:19 PM

I have upgraded the Java version to 1.7.0_51 and if I use Java Web start I still the error same error

<a href="http://tinypic.com?ref=20upevr" target="_blank"><img src="http://i39.tinypic.com/20upevr.png" border="0" alt="Image and video hosting by TinyPic"></a>

 

CacheEntry[http://dynatrace.demo.compuware.com:8020/]: updateAvailable=false,lastModified=Wed Dec 31 19:00:00 EST 1969,length=-1
CacheEntry[http://dynaTrace.demo.compuware.com:8020/images/dynatraceLogo.png]: updateAvailable=false,lastModified=Wed Dec 31 19:00:00 EST 1969,length=-1
Exception in thread "AWT-EventQueue-1" java.lang.NullPointerException
at com.sun.deploy.ui.DialogTemplate.imageAvailable(Unknown Source)
at com.sun.deploy.ui.DialogTemplate.finalImageAvailable(Unknown Source)
at com.sun.deploy.ui.ImageLoader$2.run(Unknown Source)
at java.awt.event.InvocationEvent.dispatch(Unknown Source)
at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$200(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
Missing Application-Name manifest attribute for: http://dynaTrace.demo.compuware.com:8020/webstart/Client/common/org.eclipse.equinox.launcher_1.1.1.R36x_v20101122_1400.jar
Missing Permissions manifest attribute in main jar: http://dynaTrace.demo.compuware.com:8020/webstart/Client/common/org.eclipse.equinox.launcher_1.1.1.R36x_v20101122_1400.jar

 

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avatar image Dominik S. · Jan 23, 2014 at 02:08 AM 0
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Sounds like an installation that got broken somehow, bundles that are downloaded from the server during client startup are missing...

avatar image Rajesh J. Dominik S. · Jan 23, 2014 at 11:00 AM 0
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Dominik

This is the APM Demo Server at http://dynaTrace.demo.compuware.com:8020

Do you think it is a browser/client issue or something wrong with the server? Can you check if you can download the Web Start Client from this server?

Thanks,

Rajesh

 

avatar image Dominik S. Rajesh J. · Jan 24, 2014 at 02:45 AM 0
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Yes, I checked, it reports the same for me. The file that is reported as missing (org.eclipse.equinox.launcher_1.1.1.R36x_v20101122_1400.jar) was part of releases <= 5.5, but was replaced with a newer version of that jar-file in 5.6, so it very much looks like a messed up server-installation which has partly files from 5.5 somehow.

 

E.g. the correct location would be http://dynata.emea.cpwr.corp:8020/webstart/Client/common/org.eclipse.equinox.launcher_1.2.0.v20110502.jar in 5.6, but this should be contained in the information that is provided by the server via the jnlp-file.

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Answer by Dominik S. · Jan 18, 2014 at 03:27 AM

FYI, we also verified that the latest Java Update 1.7.0_51 behaves the same way as Java 1.7.0_45 and no new hurdles were put in by Oracle. After installing the FixPack in dynaTrace 5.5 or upgrading to dynaTrace 5.6, Webstart Client should work fine!

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Answer by Raphael P. · Jan 16, 2014 at 08:45 AM

The JRE 1.6u45 on Windows XP is still reporting a missing signature in the jnlp file. Is there a possible solution to fix this problem?

Our customers, can not upgrade or downgrade their installed JRE.

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avatar image Dominik S. · Jan 16, 2014 at 09:08 AM 0
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I think you can accept this warning via checking "Inhalte dieses Anbieters immer vertrauen" and "Ausführen", then Webstart Client should start up nevertheless. 

 

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