Re: [OpenMap Users] Java 1.4.0_02 Problems

From: Prakash Manghwani <pmanghwa@bbn.com>
Date: Mon Oct 14 2002 - 22:35:35 EDT

before running openmap, try updating your CLASSPATH variable to
OPENMAP_HOME:CLASSPATH
ex: for Bash shell i do
export CLASSPATH=$OPENMAP_HOME:$CLASSPATH

This is an issue i have noticed on all platforms and has been fixed.

Prakash

Eliot Lebsack wrote:
> Herve,
>
> Thanks for giving me some ideas on this. However, the problem appears
> to be that my openmap.properties file is not being read correctly. In
> fact, it does not seem to be read at all. When I take my openmap-4.5.3
> directory (unchanged) to Windows 2000, it appears to find the correct
> openmap.properties file, and produce the desired layers, etc.
>
> This problem is identical to Solaris. I've tried running the openmap
> application as root, and it works correctly. I should not have to be
> root to do this. I've tried wiping my ${HOME}/.java directory,
> wiping /etc/.java, and setting all permissions as open as possible.
>
> Regards,
>
> Eliot
>
> Hervé Allemand wrote:
>
>>Hello Eliot,
>>
>>Monday, October 14, 2002, 7:21:14 PM, you wrote:
>>
>>EL> Good afternoon...
>>
>>EL> I'm trying to run openmap-4.5.3 with Java 1.4.0_02 on a RedHat Linux
>>EL> 7.2 machine. When I run the bin/openmap shell script, I get an openmap
>>EL> window, but on the console, I get the message
>>
>>EL> Oct 14, 2002 12:55:50 PM java.util.prefs.FileSystemPreferences$2 run
>>EL> WARNING: Could not create system preferences directory. System
>>EL> preferences are unusable.
>>
>>EL> This does not seem to be a problem on Windows. Any ideas? I saw this
>>EL> behavior on a Solaris 8 machine as well (with the same j2sdk).
>>
>>EL> Regards,
>>
>>EL> Eliot
>>
>>The warning you are witnessing is linked to the new Preferences API
>>included since the JDK 1.4.
>>
>>The first time the JVM is launched, it tries to creates the structure
>>used to store the system and user preferences.
>>
>>On Windows machines, system and user preferences are stored in the
>>registry, under the keys named [HKEY_LOCAL_MACHINE\SOFTWARE\JavaSoft\Prefs]
>>and [HKEY_CURRENT_USER\Software\JavaSoft\Prefs]. I think the system
>>preferences tree is created at installation, and I am sure the user
>>preferences tree is created the first time the JVM launches a Java
>>program.
>>
>>On Unix machines, the system and user preferences are using XML files
>>located in specific directories. I do not know where the system
>>preferences are stored, but I know the user preferences are stored in
>>the user home directory, in a ".java"-like directory I guess.
>>If the behavior is the same as under Windows, the user preferences
>>directory should be created the first time the JVM launches a program.
>>You should then have write access to that directory.
>>If it is a write access rights problem, you should then witness the
>>same warning when launching any java program, and not only OpenMap.
>>
>>Anyway, since as far as I know, OpenMap doesn't use the Preferences
>>API, this should not be a problem for you.
>>
>>I do not know much about Unix, but I hope this helps.
>>
>>--
>>Best regards,
>> Hervé Allemand mailto:hallemand@mangoosta.fr
>>
>>--
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>
>

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Received on Mon Oct 14 22:38:49 2002

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