Date: Fri, 11 Feb 2000 10:44:40 +0100 From: Ernst de Haan <ernst@jollem.com> To: "Koster, K.J." <K.J.Koster@research.kpn.com> Cc: "'FreeBSD Java mailing list'" <freebsd-java@freebsd.org> Subject: Re: mess after installing some java jdks Message-ID: <38A3DA08.2A944D9F@jollem.com> References: <59063B5B4D98D311BC0D0001FA7E452201313801@l04.research.kpn.com>
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Hey,
I doubt you _have_ to switch back to JDK 1.1, but in case you do, maybe
you can write a few scripts that will switch between JDK 1.1 and JDK 1.2.
As an example, I've attached the scripts I use:
* init-classpath : Initializes JAVA_HOME and CLASSPATH
* init-path : Initializes PATH (called from .profile as well)
* jdk11 : Sets the environment for JDK 1.1
* jdk12 : Sets the environment for JDK 1.2
Let me know if this is of any help. You should probably source the
appropriate script, like this:
bash-2.03$ pwd
/home/ernst
bash-2.03$ echo ~/bin/*
init-classpath init-path jdk11 jdk12
bash-2.03$ . jdk11
>> Initializing Java libraries for JDK 1.1
-- Java Development Kit 1.1
-- Java Foundation Classes 1.1.1
-- Java Servlet Development Kit 2.0
-- JavaBeans Activation Framework 1.0.1
WARNING: MySQL mm JDBC Driver 2.0pre4 for JDBC 1.0:
/usr/local/share/java/classes/mm/mm.mysql.jdbc-2.0pre4/mysql_1_uncomp.jar
not found
-- ObjectStore PSE Pro 3.0 (runtime)
-- ObjectStore PSE Pro 3.0 (tools)
WARNING: Custom Java libraries: /home/ernst/java/lib not found
There's still a few minor bugs in the scripts (it currently only works for
zip and jar files), but I'm working on that. And an improvement I want to
make is define all the libraries in a separate file (.javalibs or so).
Ernst
"Koster, K.J." wrote:
>
> > >
> > > ~> locate libhpi.so
> > >
> > /usr/ports/java/linux-jdk-1.2/work/jdk1.2/jre/lib/i386/green_t
> hreads/libhpi.so
> > >
> > /usr/ports/java/linux-jdk-1.2/work/jdk1.2/jre/lib/i386/native_
> threads/libhpi.so
> > > /usr/local/jdk1.2/jre/lib/i386/green_threads/libhpi.so
> > > /usr/local/jdk1.2/jre/lib/i386/native_threads/libhpi.so
> > >
> locate is not reliable in this particular case, since its information may be
> quite old, depending on when /etc/daily last ran. Try looking with "ls" :-)
>
> Also: I have 2 JDK, but I always set the paths in my makefiles. The PATH
> environment does not have the JDK in it, to avoid confusion.
>
> Kees Jan
>
> ==============================================
> You are only young once,
> but you can stay immature all your life
>
> To Unsubscribe: send mail to majordomo@FreeBSD.org
> with "unsubscribe freebsd-java" in the body of the message
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name="init-classpath"
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filename="init-classpath"
#!/bin/sh
#
# init-java-libs.sh
#
# Initialize the CLASSPATH that applies to either JDK 1.1 or JDK 1.2
#
# This shell script should be called after the following environment
# variable has been initialized:
#
# JAVA_VERSION -- Either JAVA_1_1 or JAVA_1_2
#
#-----------------------------------------------------------------------------
# Settings
# Customize this section for your particular configuration.
JAVA_CLASSES_HOME=/usr/local/share/java/classes
JDK_1_1_HOME=/usr/local/jdk1.1.8
JDK_1_2_HOME=/usr/local/linux-jdk1.2.2
CUSTOM_JAVA_LIBS=${HOME}/java/lib
#-----------------------------------------------------------------------------
# Function definitions
add ( )
{
if [ "${title}" = "" ]
then
echo "WARNING: location and title must be specified"
return
elif [ "${location}" = "" ]
then
echo "WARNING: location must be specified"
elif [ "${title}" = "" ]
then
echo "WARNING: title must be specified"
fi
if [ ! -f ${location} ]
then
echo "WARNING: $title: $location not found"
else
echo " -- $title"
CLASSPATH=$CLASSPATH:$location
fi
}
#-----------------------------------------------------------------------------
# Check the preconditions
if [ ""${JAVA_VERSION} = "" ]
then
echo "ERROR: JAVA_VERSION is not set"
exit 1
fi
case $JAVA_VERSION in
"JAVA_1_1")
echo ">> Initializing Java libraries for JDK 1.1"
;;
"JAVA_1_2")
echo ">> Initializing Java libraries for JDK 1.2"
;;
*)
echo "ERROR: Variable JAVA_VERSION should be either JAVA_1_1 or JAVA_1_2"
exit 1
;;
esac
#-----------------------------------------------------------------------------
# Check the settings
if [ ! -d ${JAVA_CLASSES_HOME} ]
then
echo "Directory ${JAVA_CLASSES_HOME} not found"
exit 2
fi
if [ ! -d ${JDK_1_1_HOME} ]
then
echo "Directory ${JAVA_CLASSES_HOME} not found"
exit 2
fi
if [ ! -d ${JDK_1_2_HOME} ]
then
echo "Directory ${JAVA_CLASSES_HOME} not found"
exit 2
fi
#-----------------------------------------------------------------------------
# Set the JAVA_HOME variable
if [ ${JAVA_VERSION} = "JAVA_1_1" ]
then
JAVA_HOME=${JDK_1_1_HOME}
elif [ ${JAVA_VERSION} = "JAVA_1_2" ]
then
JAVA_HOME=${JDK_1_2_HOME}
fi
export JAVA_HOME
#-----------------------------------------------------------------------------
# Java Development Kit
CLASSPATH=""
if [ ${JAVA_VERSION} = "JAVA_1_1" ]
then
title="Java Development Kit 1.1"
location="$JAVA_HOME/lib/classes.zip"
add
elif [ ${JAVA_VERSION} = "JAVA_1_2" ]
then
title="Java Development Kit 1.2"
location="$JAVA_HOME/jre/lib/rt.jar"
add
fi
export CLASSPATH
#-----------------------------------------------------------------------------
# Java Foundation Classes 1.1.1
# NOTE: JFC is integrated in JDK 1.2
if [ ${JAVA_VERSION} = "JAVA_1_1" ]
then
title="Java Foundation Classes 1.1.1"
location=$JAVA_CLASSES_HOME/jfc-1.1.1/swingall.jar
add
fi
#-----------------------------------------------------------------------------
# Java Servlet Development Kit 2.0
title="Java Servlet Development Kit 2.0"
location=$JAVA_CLASSES_HOME/jsdk.jar
add
#-----------------------------------------------------------------------------
# JavaBeans Activation Framework
# PENDING: Isn't this already included in JDK 1.2 ?
title="JavaBeans Activation Framework 1.0.1"
location=$JAVA_CLASSES_HOME/activation.jar
add
#-----------------------------------------------------------------------------
# MySQL mm JDBC drivers
if [ $JAVA_VERSION = "JAVA_1_1" ]
then
# Use the JDBC 1.0 driver for JDK 1.1
title="MySQL mm JDBC Driver 2.0pre4 for JDBC 1.0"
location=$JAVA_CLASSES_HOME/mm/mm.mysql.jdbc-2.0pre4/mysql_1_uncomp.jar
add
elif [ $JAVA_VERSION = "JAVA_1_2" ]
then
# Use the JDBC 2.0 driver for JDK 1.2
title="MySQL mm JDBC Driver 2.0pre4 for JDBC 2.0"
location=$JAVA_CLASSES_HOME/mm/mm.mysql.jdbc-2.0pre4/mysql_2_uncomp.jar
add
fi
#-----------------------------------------------------------------------------
# ObjectStore PSE Pro 6.0
title="ObjectStore PSE Pro 3.0 (runtime)"
location=$HOME/psepro/pro_g.zip
add
title="ObjectStore PSE Pro 3.0 (tools)"
location=$HOME/psepro/tools_g.zip
add
#-----------------------------------------------------------------------------
# Custom Java libraries
if [ ! ""${CUSTOM_JAVA_LIBS} = "" ]
then
title="Custom Java libraries"
location=$CUSTOM_JAVA_LIBS
add
fi
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name="init-path"
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filename="init-path"
#!/bin/sh
#
# init-path.sh
#
# Initializes the PATH environment variable.
#
if [ ""${HOME} = "" ]
then
echo "ERROR: Variable HOME should be set"
exit 1
fi
PATH=/bin\:/usr/bin\:/usr/X11R6/bin\:/usr/local/bin\:${HOME}/bin
export PATH
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name="jdk11"
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filename="jdk11"
#!/bin/sh
#
# jdk11
#
# Initializes the JDK 1.1 environment
#
# Set the JDK version to 1.1
JAVA_VERSION=JAVA_1_1
export JAVA_VERSION
# Initialize the CLASSPATH
. ${HOME}/bin/init-classpath
# Set the PATH
. ${HOME}/bin/init-path
PATH=$PATH:$JAVA_HOME/bin
export PATH
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name="jdk12"
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filename="jdk12"
#!/bin/sh
#
# jdk12
#
# Initializes the JDK 1.2 environment
#
# Set the JDK version to 1.2
JAVA_VERSION=JAVA_1_2
export JAVA_VERSION
# Initialize the CLASSPATH
. ${HOME}/bin/init-classpath
# Set the PATH
. ${HOME}/bin/init-path
PATH=$PATH:$JAVA_HOME/bin
export PATH
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n:de Haan;Ernst
tel;fax:+31 (0)26 3645634
tel;work:+31 (0)26 3623895
x-mozilla-html:FALSE
url:http://www.znerd.demon.nl/
org:Jollem
adr:;;Rozendaalselaan 35;Velp;GLD;6881 KZ;Netherlands
version:2.1
email;internet:ernst@jollem.com
title:Java Architect
fn:Ernst de Haan
end:vcard
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