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setting the RAP user location [message #1088714]

Sat, 17 August 2013 14:30

Chris Monty

Messages: 26
Registered: July 2013

Junior Member

Another semi-related openshift question, due to special access restrictions on the server. My RAP server logs FileNotFoundExceptions when a user logs in because well, the user preferences folder doesn't exist.

java.io.FileNotFoundException: /var/lib/openshift/<username>/user/.settings/org.eclipse.scout.rt.client.prefs (No such file or directory)
        at java.io.FileOutputStream.open(Native Method)
        at java.io.FileOutputStream.<init>(FileOutputStream.java:212)
        at java.io.FileOutputStream.<init>(FileOutputStream.java:165)
        at org.eclipse.core.internal.preferences.SafeFileOutputStream.<init>(SafeFileOutputStream.java:43)
        at org.eclipse.core.internal.preferences.EclipsePreferences.write(EclipsePreferences.java:317)
        at org.eclipse.core.internal.preferences.EclipsePreferences.save(EclipsePreferences.java:1135)
        at org.eclipse.core.internal.preferences.EclipsePreferences.save(EclipsePreferences.java:1111)
        at org.eclipse.core.internal.preferences.EclipsePreferences.internalFlush(EclipsePreferences.java:471)
        at org.eclipse.core.internal.preferences.EclipsePreferences.flush(EclipsePreferences.java:429)
        at org.eclipse.scout.rt.client.ui.ClientUIPreferences.flush(ClientUIPreferences.java:766)
        at org.eclipse.scout.rt.client.ui.ClientUIPreferences.setFormBounds(ClientUIPreferences.java:149)
        at org.eclipse.scout.rt.ui.rap.window.DefaultFormBoundsProvider.storeBoundsInternal(DefaultFormBoundsProvider.java:82)
        at org.eclipse.scout.rt.ui.rap.window.DefaultFormBoundsProvider.access$0(DefaultFormBoundsProvider.java:76)
        at org.eclipse.scout.rt.ui.rap.window.DefaultFormBoundsProvider$1.runVoid(DefaultFormBoundsProvider.java:68)
        at org.eclipse.scout.rt.client.ClientJob.runStatus(ClientJob.java:189)
        at org.eclipse.scout.rt.client.ClientJob.runTransactionWrapper(ClientJob.java:172)
        at org.eclipse.scout.rt.client.ClientJob.run(ClientJob.java:159)
        at org.eclipse.core.internal.jobs.Worker.run(Worker.java:53)
org.osgi.service.prefs.BackingStoreException: Exception saving preferences to: /var/lib/openshift/<username>/user/.settings/org.eclipse.scout.rt.client.prefs.
        at org.eclipse.core.internal.preferences.EclipsePreferences.write(EclipsePreferences.java:323)
        at org.eclipse.core.internal.preferences.EclipsePreferences.save(EclipsePreferences.java:1135)
        at org.eclipse.core.internal.preferences.EclipsePreferences.save(EclipsePreferences.java:1111)
        at org.eclipse.core.internal.preferences.EclipsePreferences.internalFlush(EclipsePreferences.java:471)
        at org.eclipse.core.internal.preferences.EclipsePreferences.flush(EclipsePreferences.java:429)
        at org.eclipse.scout.rt.client.ui.ClientUIPreferences.flush(ClientUIPreferences.java:766)
        at org.eclipse.scout.rt.client.ui.ClientUIPreferences.setFormBounds(ClientUIPreferences.java:149)
        at org.eclipse.scout.rt.ui.rap.window.DefaultFormBoundsProvider.storeBoundsInternal(DefaultFormBoundsProvider.java:82)
        at org.eclipse.scout.rt.ui.rap.window.DefaultFormBoundsProvider.access$0(DefaultFormBoundsProvider.java:76)
        at org.eclipse.scout.rt.ui.rap.window.DefaultFormBoundsProvider$1.runVoid(DefaultFormBoundsProvider.java:68)
        at org.eclipse.scout.rt.client.ClientJob.runStatus(ClientJob.java:189)
        at org.eclipse.scout.rt.client.ClientJob.runTransactionWrapper(ClientJob.java:172)
        at org.eclipse.scout.rt.client.ClientJob.run(ClientJob.java:159)
        at org.eclipse.core.internal.jobs.Worker.run(Worker.java:53)

Since I lack the permissions to create the aforementioned folder, I wish to use another folder which I can write to (such as the tomcat temp folder). I have browsed around a bit for some hints, and have found that the

org.eclipse.scout.commons.prefs.UserPreferences$getLocation()

is hard-coded to

location = computeLocation(new Path(Platform.getUserLocation().getURL().getFile()), name());

Something tells me this is quite trivial... if only I knew how. Ideally I could configure this via config.ini. Any tips?

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Re: setting the RAP user location [message #1094778 is a reply to message #1088714]

Mon, 26 August 2013 07:15

Jeremie Bresson

Messages: 1252
Registered: October 2011

Senior Member

Have you looks at Platform.html#getUserLocation()

Have you tried to set user.home?

A colleague also mentioned osgi.user.area and/or osgi.instance.area. He also recommended to have a look at LocationManager.

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Re: setting the RAP user location [message #1098545 is a reply to message #1094778]

Sat, 31 August 2013 08:18

Chris Monty

Messages: 26
Registered: July 2013

Junior Member

Jeremie, thanks for the hint. Setting user.home did the trick.

For future reference, this can be achieved (on linux) by creating a setenv.sh in tomcat's bin folder with the following line:

export JAVA_OPTS="-Duser.home=/var/lib/openshift/<pathtosomewherewithwriteaccess...>"

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