Help:Known problems

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Sometimes a dialog with "NullPointerException" or "InvocationTargetException" appears when you try to start the edit applet. In this case it may help to clear the Java Applet Cache. In Windows XP, you do this as follows:
Sometimes a dialog with "NullPointerException" or "InvocationTargetException" appears when you try to start the edit applet. In this case it may help to clear the Java Applet Cache. In Windows XP, you do this as follows:
-
# Go to Start->Control Panel
+
# Go to '''Start -> Control Panel'''
-
# (In Classic View) click on the icon Labeled "Java"
+
# (In Classic View) click on the icon Labeled '''Java'''
-
# In the Java Control Panel dialog, in the general tab, under the heading "Temporary Internet Files" click on Settings...
+
# In the Java Control Panel dialog, in the general tab, under the heading '''Temporary Internet Files''' click on '''Settings'''
-
# Click "Delete Files". This will only delete temporary files that are safe to delete.
+
# Click '''Delete Files'''. This will only delete temporary files that are safe to delete.
# Close the browser completely, then try WikiPathways again.
# Close the browser completely, then try WikiPathways again.
On a Mac:
On a Mac:
# Open /Applications/Utilities/Java Preferences
# Open /Applications/Utilities/Java Preferences
# Click on Network tab
# Click on Network tab
-
# Click on "Delete Files...", Click "OK"
+
# Click on '''Delete Files''' and click '''OK'''
# Close the browser completely, then try WikiPathways again
# Close the browser completely, then try WikiPathways again
Line 28: Line 28:
In this case it might help to clear the Java Applet Cache. In Windows XP, you do this as follows:
In this case it might help to clear the Java Applet Cache. In Windows XP, you do this as follows:
-
# Go to Start->Control Panel
+
# Go to '''Start -> Control Panel'''
-
# (In Classic View) click on the icon Labeled "Java"
+
# (In Classic View) click on the icon Labeled '''Java'''
-
# In the Java Control Panel dialog, in the general tab, under the heading "Temporary Internet Files" click on Settings...
+
# In the Java Control Panel dialog, in the general tab, under the heading '''Temporary Internet Files''' click on '''Settings'''
-
# Click "Delete Files". This will only delete temporary files that are safe to delete.
+
# Click '''Delete Files'''. This will only delete temporary files that are safe to delete.
# Close the browser completely, then try WikiPathways again.
# Close the browser completely, then try WikiPathways again.
=== Wrong Java version on Ubuntu ===
=== Wrong Java version on Ubuntu ===
-
Older Ubuntu linux distribution came with the gij (GNU libgcj) Java virtual machine, while newer versions come with the icedtea plugins. In order to make wikipathways work correctly, you will need to replace this with Oracle's JVM. Details on how to install this can be found [https://help.ubuntu.com/community/Java here].
+
Older Ubuntu linux distribution came with the gij (GNU libgcj) Java virtual machine, while newer versions come with the icedtea plugins. In order to make WikiPathways work correctly, you will need to replace this with Oracle's JVM. Details on how to install this can be found [https://help.ubuntu.com/community/Java here].
<p>[[:Help:Contents|Return to Help Contents]]</p>
<p>[[:Help:Contents|Return to Help Contents]]</p>
<p>[[:Help:Tutorial|Continue to Tutorials]]</p>
<p>[[:Help:Tutorial|Continue to Tutorials]]</p>

Revision as of 23:44, 27 January 2014


On this page you'll find some known problems with WikiPathways.

If your problem is not on this list, please check our bug tracker or send an email to our Google group.

Contents

No Java installed

You need to have Java installed to be able to edit pathways. If you only see a grey box when you click the edit button below the pathway image, please check if you have Java installed (version JSE 5 or above). You can test if Java is working in your browser here and download Java here.

Javascript disabled

You need to have javascript enabled in your browser. Click here to see how to enable javascript for your browser.

Strange error while starting Java

Sometimes a dialog with "NullPointerException" or "InvocationTargetException" appears when you try to start the edit applet. In this case it may help to clear the Java Applet Cache. In Windows XP, you do this as follows:

  1. Go to Start -> Control Panel
  2. (In Classic View) click on the icon Labeled Java
  3. In the Java Control Panel dialog, in the general tab, under the heading Temporary Internet Files click on Settings
  4. Click Delete Files. This will only delete temporary files that are safe to delete.
  5. Close the browser completely, then try WikiPathways again.

On a Mac:

  1. Open /Applications/Utilities/Java Preferences
  2. Click on Network tab
  3. Click on Delete Files and click OK
  4. Close the browser completely, then try WikiPathways again

Editor does not load and you just see a black window

In this case it might help to clear the Java Applet Cache. In Windows XP, you do this as follows:

  1. Go to Start -> Control Panel
  2. (In Classic View) click on the icon Labeled Java
  3. In the Java Control Panel dialog, in the general tab, under the heading Temporary Internet Files click on Settings
  4. Click Delete Files. This will only delete temporary files that are safe to delete.
  5. Close the browser completely, then try WikiPathways again.

Wrong Java version on Ubuntu

Older Ubuntu linux distribution came with the gij (GNU libgcj) Java virtual machine, while newer versions come with the icedtea plugins. In order to make WikiPathways work correctly, you will need to replace this with Oracle's JVM. Details on how to install this can be found here.


Return to Help Contents

Continue to Tutorials