On Wednesday 17 March 2004 12:51 am, Matt Morgan wrote: > On 03/16/2004 01:53 PM, Kaustubh Ghosh wrote: > >I am quite novice towards java programming in linux.To start with I > > installed j2re1.4.2_03 and also j2sdk1.4.2_04 in FC1(Both from > > java.sin.com).Now peculiar problems arise. > >When I type "java -version" it gives 1.3.1( > > That's a path issue. You must also have the older version of java > installed, and it appears earlier (or exclusively) in your path. At a > shell prompt, type > > which java > It gives:" /usr/bin/java".I then cut out the java file and ran the command again it gave:"/usr/java/j2sdk1.4.2_04/bin/java".I again replaced the java file and on again issueing the command it gave:"/usr/bin/java". > and you'll see where that version is (it'll be the first one that comes > up, if more than one comes up). You can also type > > echo $PATH > > to see what directories are in your path. You can easily add the > It showed: "/usr/kerberos/sbin:/usr/kerberos/bin:/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/usr/X11R6/bin:/usr/java/j2sdk1.4.2_04/bin:.:/usr/java/j2sdk1.4.2_03/bin:/root/bin" Now what can I do. > /usr/java/j2sdk1.4.2_04/bin > > folder to your $PATH in your homedir/.bash_profile or in other ways, but > you should also remove the older version of java so it doesn't get in > the way. java -version gives: "java version "1.3.1" jdkgcj 0.2.3 (http://www.arklinux.org/projects/jdkgcj) gcj (GCC) 3.3.2 20031022 (Red Hat Linux 3.3.2-1) Copyright (C) 2003 Free Software Foundation, Inc." It seems to be a part of the GCC.How can I remove it.Consider me a novice. > > >When I type "/usr/java/j2sdk1.4.2_04/bin/java -version" it gives 1.4.2_04. > >Anyway I can compile any .java file with javac. > >But when I try to run it with java(any of the above) the gui would not > >come.(Hello World executes perfectly with System.out.println as also other > >non-gui programs). > > > >I also installed eclipse sdk.It created a directory "eclipse" under > > /opt.When I cycled to the directory and typed "eclipse" I got messages > >" > >warning:cannot determine -os type > >warning:cannot determine -ws type. > >warning:cannot determine -arch type. > >warning:cannot determine -showsplash type. > >" > >After a while it gives an error(in a gui): > >"Error:Java (VM) had to be shut down:Exit Code=1 > >/usr/bin/java > >-cp /opt/eclipse/startup.jar org.eclipse.core.launcher.Main > >-os linux > >-ws gtk > >-arch x86 > >-showsplash /opt/eclipse/eclipse_showsplash 600 > >" > > > >Cannot make any head or tail of it. > >I also tried to install Netbeans developer using "nbdx2_21.class" file by > >giving command "java nbdx2_21".What I got was: > >"Exception in thread "main" java.lang.NoClassDefFoundError: nbdx2_21" > > > >Can I get any help?Thanks in advance. What about eclipse and Netbeans.Can I get them to work anyway?Thanks.
