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PxPages Fail to Load After Installing Java 7 Update 65

 
     
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Tech Tip: PxPages Fail to Load After Installing Java 7 u65

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Date:             Jul 25, 2014
Product:       NiagaraAX Web UI
Revision:      Niagara Ax Releases 3.6u4, 3.7u1 and 3.8R

Problem

Oracle has just released Java 7 Update 65 which appears to cause the Niagara web applet to fail to load completely. This issue may affect your customers who accept the default automatic Java upgrade. When attempting to connect to a Niagara station through a web browser using a Wb WebProfile, the web browser halts while loading images on pxPages. Refresh of the browser typically triggers the completion of the page loading.

Solution

Updated versions of bajaui, gx, raster and workbench jars have been created that function properly with Java 1.7.0_65. Users will need to update these jar files using the Workbench "Software Manager". Updated files will be available as part of upcoming Niagara 3.6, 3.7 and 3.8 maintenance builds, as well as the downloadable archive described below.

Warning
Please make sure you have the latest versions of modules for the base release prior to installing the attached patches.
Table 1.1 Update vs Niagara versions
Update Codes
Niagara Version
3.6u4
3.6.406
3.7u1
3.7.106.6
3.8R
3.8.38

Warning
Niagara Ax 3.7.106.6 patch build, commonly referred to as 3.7.106 consolidated patches, is a required prerequisite for installation of the 3.7.106 version of bajaui.jar, gx.jar, raster.jar and workbench.jar

Download and install bajaui.jar, gx.jar, raster.jar and workbench.jar for 3.6, 3.7 and 3.8 stations. The download JavaUpdate65Patches.zip is a password protected archive, password=niagara. Follow the instructions below for the version installed. Remember to clear caches on the client workstation after updating!

Download

Archive password = niagara

Supervisor Installation - Revision 3.6, 3.7 and 3.8

1. Stop any running stations and exit workbench.

2. Copy bajaui.jar, gx.jar, raster.jar and workbench.jar to <niagaraHome>/modules folder using Windows Explorer overwriting existing.

SupervisorModuleList.png

3. Restart Workbench and the Niagara Station.

JACE Installation Using Workbench - Revision 3.6, 3.7 and 3.8

4. Copy bajaui.jar, gx.jar, raster.jar and workbench.jar to <niagaraHome>/modules folder on your workstation machine using Windows Explorer.

5. Restart workbench (if same installation as above Supervisor workstation, omit).

6. Open a platform connection to the JACE to be updated.

platformAuthentication.png

7. Using the "Software Manager" platform view, select bajaui.jar, gx.jar, raster.jar and workbench.jar.

softwaremanagerupbajauigxrasterworkbench.png

8. Select the Update button and then the Commit button to install just as any other module update.

9. The JACE will restart as a normal part of this process.

Clear the various caches associated with the browser.

1. Clear the browser's cache. Clear the temporary internet files, cookies and history.

Note
Each browser is cleared differently. Use the browser's help for information on clearing its cache.

2. Delete all the files in the "wbapplet" cache (Note: <user dir> is the Windows user):

<user dir>\niagara\wbapplet

3. Delete everything in the "Secondary Applet" cache (Note: <user dir> is the Windows user):

Windows 7: <user dir>\AppData\LocalLow\Sun\Java\Deployment\cache
Windows XP: <user dir>\Application data\sun\java\deployment\cache

4. Restart the browser (this also clears the session cookies).

5. Log in.

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