Am 02.03.23 um 14:24 schrieb Stéphane Mottelet:
Can you remove the JAVA_HOME definition from your ~/.bash_profile, open
a new terminal window, then try to launch Scilab and tell me if it starts ?

S.

yes, it does start

I outcommented the JAVA_HOME definition from your ~/.bash_profile

Wolfgang

Le 02/03/2023 à 13:57, Wolfgang Engelmann a écrit :
Thanks, Masaru,

but got now
 echo $JAVA_HOME
/usr/lib/jvm/java-11-openjdk-amd64

see below between
########

########
Wolfgang

Am 02.03.23 um 11:38 schrieb Masaru Nomiya:
Hello,

In the Message;

   Subject    : Re: [Scilab-users] error in starting scilab from
terminal
   Message-ID : <82590bf9-3e6b-adac-152b-cf39fd9e5...@uni-tuebingen.de>
   Date & Time: Thu, 2 Mar 2023 10:42:22 +0100

[WE] == Wolfgang Engelmann <engelm...@uni-tuebingen.de> has written:

[...]
WE> > $ sudo update-alternatives --config java

WE> sudo update-alternatives --config java
WE> Es gibt 2 Auswahlmöglichkeiten für die Alternative java (welche
WE> /usr/bin/java bereitstellen).

WE>   Auswahl      Pfad
WE> Priorität Status
WE> ------------------------------------------------------------
WE> * 0 /usr/lib/jvm/java-11-openjdk-amd64/bin/java      1111
WE>  automatischer Modus
WE>   1 /usr/lib/jvm/java-11-openjdk-amd64/bin/java      1111
WE>   manueller Modus
WE>   2 /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/java   1081
WE>   manueller Modus

WE> Drücken Sie die Eingabetaste, um die aktuelle Wahl[*] beizubehalten,
WE> oder geben Sie die Auswahlnummer ein:

WE> Drücken Sie die Eingabetaste, um die aktuelle Wahl[*] beizubehalten,
WE> oder geben Sie die Auswahlnummer ein: 1081
WE> Es gibt 2 Auswahlmöglichkeiten für die Alternative java (welche
WE> /usr/bin/java bereitstellen).

WE>   Auswahl      Pfad
WE> Priorität Status
WE> ------------------------------------------------------------
WE> * 0 /usr/lib/jvm/java-11-openjdk-amd64/bin/java      1111
WE>  automatischer Modus
WE>   1 /usr/lib/jvm/java-11-openjdk-amd64/bin/java      1111
WE>   manueller Modus
WE>   2 /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/java   1081
WE>   manueller Modus

WE> entering 1081 does not help; leads again to the chosing

The installation of java is complete, with configuration issues
remaining.

You must use update-alternatives for java and javac.

  $  sudo update-alternatives --config java
  $  sudo update-alternatives --config javac

What you have to enter is the previous number (2 in the table above),
not the back number.
Maybe even 2 in javac.

And put the following in your .bash_profile.

JAVA_HOME=$(readlink -f /usr/bin/javac | sed "s:/bin/javac::")
export JAVA_HOME

Then, execute as follows

    $ source ~/.bash_profile

After this , by

    $ echo $JAVA_HOME


###############
wolfgang@Fuji:~$ echo $JAVA_HOME
/usr/lib/jvm/java-11-openjdk-amd64

in my .bash_profile is:

JAVA_HOME=$(readlink -f /usr/bin/javac | sed "s:/bin/javac::")
export JAVA_HOME

#############

Confirm that it returns following

/usr/lib64/jvm/java-1.8.0-openjdk-1.8.0

This completes the JAVA setup.

Regards.

---
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--
Stéphane Mottelet
Ingénieur de recherche
EA 4297 Transformations Intégrées de la Matière Renouvelable
Département Génie des Procédés Industriels
Sorbonne Universités - Université de Technologie de Compiègne
CS 60319, 60203 Compiègne cedex
Tel : +33(0)344234688
http://www.utc.fr/~mottelet

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