Setting classpath permanantly on linux
Helloa folks;
My serach through the archive didn't turn up any answer to this. I am trying to set the classpath variable permanantly on Linux (SuSe). I have been using "export JDK_HOME=YadaYada", but this doesn't live on between sessions and re-boots. How does one permamantly configure this environment variable for all users including root on a linux bo so that it lives on between sessions and re-boots?
TIA, Will-
Please, don't cross post! Check answer in
http://forum.java.sun.com/thread.jsp?thread=185668&forum=31&message=594195
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Hi !! Can anyone help me in setting classpath in linux to run servlets/? I tried using this command..but didnt work
export CLASSPATH="$CLASSPATH:/usr/share/tomcat5/server/lib/servlets-common.jar"
Thanks
Nivein ur autoexec.bat file write the following
set PATH=C:\jdk1.5.0_04\bin;%PATH%
set JAVA_HOME=C:\jdk1.5.0_04
set
CLASSPATH=.;C:\jakarta-tomcat-5.5.9\common\lib\servlet
-api.jar;C:\jakarta-tomcat-5.5.9\common\lib\jsp-api.ja
r;C:\Servlets+JSP;..;..\..;C:\jakarta-struts-1.2.4\lib
\struts.jarThis response is meaningless. Principally because the OP specifically mentioned the use of LINUX. Not Windows.
I've taken the advice of other forum users by avoiding a system level classpath variable. I define the classpath each time I compile and run. Working on Linux I tend to use command line argument files ( http://java.sun.com/j2se/1.5.0/docs/tooldocs/solaris/javac.html#commandlineargfile ) which eliminates the need to redefine the classpath each time I compile or run my classes and apps. But others may do things differently.
Here is a website you might want to check out which pertains to setting the classpath on Solaris and Linux.
http://java.sun.com/j2se/1.5.0/docs/tooldocs/solaris/classpath.html -
Setting CLASSPATH's on Windows & Linux
I am still new Java programming language, but I am coming along in learning the actually language. The one problem I keep running into is how to set a CLASSPATH on a windows machine and Linux machine. I have currently installed j2sdk1.4.2 on the windows machine and jdk1.5.0 on the linux machine. If any one has any suggestions on how to set these CLASSPATH's I would greatly appreicate it.
Before ammending classpath I recommend checking the
windows path variable. This variable is a list of
folders where windows looks for executables.
Path can be viewed by going to control panel ->
system _> advanced table -> environmental variables
and then selecting path and then edit.
Make sure �C:\Program Files\Java\J2SDK1.5.0\bin� (or
equivalent)is included.
Alternative you can enter �path = %path%; �C:\Program
Files\Java\J2SDK1.5.0\bin� into command prompt each
session.
This ensures that you can compile and execute java
programs from any directory. Ideally the java
installer should do it but I have found it does not.Indeed.
Similarly the classpath can be varied from either the
command prompt or it can be added to the
environmental variables.I'm one of those that recommends folks not set CLASSPATH using an environment variable.
IDEs like Eclipse and IntelliJ totally ignore it; so do containers like WebLogic and Tomcat.
One CLASSPATH does not fit all. Every project is unique. The best way to set it is with the -classpath option on both javac.exe and java.exe.
For compiling, you should learn Ant. It's a make tool built on Java and XML. That'll help with your compilation issues.
For running, you'll either run in a container, which has its own idea of CLASSPATH, or you can script the startup of a batch job using a Windows .cmd or *nix .sh. Set the CLASSPATH in the script.
If altering it from the command prompt, in windows
use a �;� between paths variables and a �:� for unix
systems. Also include a �.� as one of the path
variable as it includes the pre-existing class path.
For example, when entered from the command prompt (in
windows), the following line will add �C:\
JavaPrograms� to the existing Classpath
Java �cp .;C:\JavaPrograms
Alternatively go into environmental variables as
described above and if a classpath variable does not
exist, create one and include �.� and your desired
directory.
Note: I prefer adding directories to the classpath
via the environment variables as it is more accepting
a folders with spaces in the name.Installing software in a folder with spaces in its name is asking for trouble. It's not highly recommended.
% -
Setting the classpath permanently
Hoe do I set the classpath permantely so as to avoid having to type
set classpath=.;%classpath%
every time I run java shell.
Your helpwould be greatly appreciated.http://java.sun.com/j2se/1.5.0/docs/tooldocs/windows/classpath.html
http://cs.colgate.edu/APCS/Java/JavaSystemsPages/classpath.htm -
Setting Classpath on windows platform
Hello
I was trying to set classpath of "D:\documentum\config" in my environment variable , i was doing it through command
prompt , the command i was implementing was
set classpath=D:\documentum\config;
but the when i was closing command prompt , the environment variable in windows named as ClassPath was not updating
i have also tried this command
set classpath=%classpath%;D:\documentum\config;
this also having the same result , so how can i set this property through command prompt
RegardsYou can permanently set command line environmental variables through the advanced settings in Windows. You have to hunt around for it a bit, it is somewhere behind opening the right click properties of "my computer" (or whatever it is called in your flavor of Windows) and then choosing advanced. An "environmental variables" tab should be present there.
BUT! I would not advise you to set a classpath variable unless you fully realize that is only to make your development life a bit easier when working on the command prompt. When making your application ready for deployment the classpath must be managed without the variable. A script could work, or packaging everything up as an executable jar. When you start to work with an IDE like Eclipse or Netbeans you don't need that variable at all any more. -
Clone dbtier error-- ERROR : Unable to set CLASSPATH
i am setting a new clone of PROD server.i restored the backup from prod and now i ran
perl adpreclone.pl dbTier
Here is the error message-->
perl adcfgclone.pl dbTier
Enter the APPS password [APPS]:
xxxx
ERROR : Unable to set CLASSPATH
/u02/lifedb/9.2.0/appsutil/clone/bin/../jlib/classes111.zip: is missing
First Creating a new context file for the cloned system.
The program is going to ask you for information about the new system:
Error: can't find libjava.so.
ERROR: context creation not completed successfully.
Please check /tmp/adcfgclone_1376.err file for errors
The err file does not have anything.
I added /u02/lifedb/9.2.0/jdbc/lib to path and classpath. classpath is empty. I made cc,ar,ld,make,perl come in the path as well.
Now how do i resolve the above err?
ThanksIf you want to migrate from Solaris to Linux, refer to:
For the application tier:
Note: 238276.1 - Migrating to Linux with Oracle Applications Release 11i
https://metalink2.oracle.com/metalink/plsql/ml2_documents.showDocument?p_database_id=NOT&p_id=238276.1
For the database tier:
Note: 362205.1 - 10g Release 2 Export/Import Process for Oracle Applications Release 11i
https://metalink2.oracle.com/metalink/plsql/ml2_documents.showDocument?p_database_id=NOT&p_id=362205.1
Note: 331221.1 - 10g Export/Import Process for Oracle Applications Release 11i
https://metalink2.oracle.com/metalink/plsql/ml2_documents.showDocument?p_database_id=NOT&p_id=331221.1
Note: 230627.1 - Export/Import Process for Oracle Applications Release 11i Database Instances Using Oracle9i Enterprise Edition
https://metalink2.oracle.com/metalink/plsql/ml2_documents.showDocument?p_database_id=NOT&p_id=230627.1 -
To set classpath or unset classpath? That is the question
I notice that Sun application examples make a point of unsetting the classpath when starting rmiregistry. In Windows they suggest the command:
unset CLASSPATH
but I have found that I get the response:
Bad command or file name
Any suggestions?
However, having said this, I have found it advantageous to having the classpath set when I start the rmiregistry for the following reason:
When I try this sequence of commands, things seem to work pretty simply:
set classpath=c:\javaWork\project
start rmiregistry
java Server
However, if I try it this way, the java command line has to be more complicated:
start rmiregistry
set classpath=c:\javaWork\project
java -Djava.rmi.server.codebase=file:/c:/javaWork/project/ Server
Is there any reason I shouldn't use the first way of going about it? Or a compelling reason for going for the second approach?
Thanks, RobYes, and to reiterate daney's post ...regarding the question in your header... if the rmiregistry can find the classes in the classpath, it will make no attempt to download the stubs to your client. Since it sounds like you are supplying permanent stubs with your client, this will be of no concern to you. However, that is the explanation as to why you keep comimg accross this information in your sources. :-}
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Ok, there is two ways to achieve this. Either by setting it globally for all the user, or only for your self. If you are working on your own station and have super user access, you can set it up for all th eusers, if not, just set it for your self. How ??
for all the users, modify the file /etc/profile and include this:
PATH=$PATH:/path/to/jdk/bin:.
CLASSPATH=$CLASSPATH:/path/to/jdk/lib/tools.jar:/path/to/jdk/lib/rt.jar
export PATH CLASSPATH
If you want to add it only for ur self then, modify the lsame line in ~/.bash_profile
hope this helps -
Trouble Setting Classpath on Windows XP
I'm having trouble setting up a classpath on Windows XP for SDK1.3.1_04.
I've tried Control Panel\Advanced\Environment Variables\System Variables. There was a Path variable present, to which I've added:
c:\jdk1.3.1_04\bin;
There wasn't a Classpath variable present though. I've tried adding it myself in System Variables as follows:
Variable name: Classpath
Variable value: set classpath=.;
But no joy. When I run "set" from the command prompt, there's no classpath present.
I'd appreciate any help.
Cheers.Hi,
I am running on XP (unfortunately), but also win2000 and win98.
Setting up the classpath is not a problem, although if you are logged in as root, then it does not always show correctly.
Try logging back in as yourself and then checking the classpah through the set command.
Altrnatively, if this is not the problem, actualy try a reboot. which should not be necessary.
best
kev -
How to set classpath from java class ??
I have tried to use System.setProperty("java.class.path", "my class path string ") to set classpath dynamically. But it is not working. How to set it dynamically from java class ?? Thanks , gary
Look into the java.net.URLClassLoader. You can't set the classpath after the fact but you can specify URL's that will checked when you try to load a class with that loader.
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Problems in setting classpath in vista
i am using Xp pro and Vista.
My issue is that I am not able to set classpath in vista.
i want to set classpath so that I can compile and run programs from different folder other than default one in which java is installed.
Please help.i am using Xp pro and Vista.
My issue is that I am not able to set classpath in
vista.
Don't worry about it. The CLASSPATH variable is best avoided anyway. Specify classpaths for particular apps on the command-line. Teh Docs show you how
i want to set classpath so that I can compile and run
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Please help.This suggests you're talking about PATH rather than classpath. Do you understand the difference? -
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Get WTP [1], install it [2] and checkout one of the lot Eclipse WTP tutorials [3].
[1] http://www.eclipse.org/webtools/
[2] http://ftp.osuosl.org/pub/eclipse/technology/phoenix/demos/install-wtp/install-wtp.html
[3] http://www.eclipse.org/webtools/community/tutorials/BuildJ2EEWebApp/BuildJ2EEWebApp.html -
Package does not exist even though I set classpath right!
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[IDEs ignore the system classpath]
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[you could also try to print the classpath on command line to check if it has taken effect] -
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