On Sun, 2008-11-30 at 14:06 -0300, Marcelo Magno T. Sales wrote: > Em Dom 30 Nov 2008, Linuxguy123 escreveu: > > # alternatives --config java > > > > There are 2 programs which provide 'java'. > > > > Selection Command > > ----------------------------------------------- > > * 1 /usr/lib/jvm/jre-1.6.0-openjdk/bin/java > > + 2 /usr/lib/jvm/jre-1.5.0-gcj/bin/java > > > > So it thinks I have 2 versions of Java. > > > > Here is the first: > > > > # java -version > > java version "1.6.0_0" > > IcedTea6 1.4 (6b12-Fedora-10) Runtime Environment (build 1.6.0_0-b12) > > OpenJDK Server VM (build 10.0-b19, mixed mode) > > > > Here is the second: > > > > # java -version > > java version "1.5.0" > > gij (GNU libgcj) version 4.3.2 20081105 (Red Hat 4.3.2-7) > > > > However, I actually have 3 versions of Java, because I installed the > > Sun Java from a Sun rpm: > > > > # rpm -ql jre > > /usr/java/jre1.5.0_15/CHANGES > > /usr/java/jre1.5.0_15/COPYRIGHT > > /usr/java/jre1.5.0_15/LICENSE > > /usr/java/jre1.5.0_15/README > > /usr/java/jre1.5.0_15/THIRDPARTYLICENSEREADME.txt > > /usr/java/jre1.5.0_15/Welcome.html > > /usr/java/jre1.5.0_15/bin > > /usr/java/jre1.5.0_15/bin/ControlPanel > > /usr/java/jre1.5.0_15/bin/java > > > > If I test it it works fine. > > > > # /usr/java/jre1.5.0_15/bin/java -version > > java version "1.5.0_15" > > Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_15-b04) > > Java HotSpot(TM) Server VM (build 1.5.0_15-b04, mixed mode) > > > > So I move it to /usr/lib/jvm and run again: > > > > alternatives --config java > > > > There are 2 programs which provide 'java'. > > > > Selection Command > > ----------------------------------------------- > > *+ 1 /usr/lib/jvm/jre-1.6.0-openjdk/bin/java > > 2 /usr/lib/jvm/jre-1.5.0-gcj/bin/java > > > > The Sun Java doesn't show up. > > > > /usr/lib/jvm looks like this: > > > > ls -al > > total 204 > > drwxr-xr-x 5 root root 4096 . > > drwxr-xr-x 183 root root 139264 .. > > drwxr-xr-x 3 root root 4096 java-1.5.0-gcj-1.5.0.0 > > drwxr-xr-x 3 root root 4096 java-1.6.0-openjdk-1.6.0.0 > > lrwxrwxrwx 1 root root 21 jre -> /etc/alternatives/jre > > lrwxrwxrwx 1 root root 27 jre-1.5.0 -> > > /etc/alternatives/jre_1.5.0 drwxr-xr-x 7 root root 4096 > > jre1.5.0_15 > > lrwxrwxrwx 1 root root 26 jre-1.5.0-gcj -> > > java-1.5.0-gcj-1.5.0.0/jre > > lrwxrwxrwx 1 root root 27 jre-1.6.0 -> > > /etc/alternatives/jre_1.6.0 lrwxrwxrwx 1 root root 30 > > jre-1.6.0-openjdk -> > > java-1.6.0-openjdk-1.6.0.0/jre > > lrwxrwxrwx 1 root root 25 jre-gcj -> /etc/alternatives/jre_gcj > > lrwxrwxrwx 1 root root 29 jre-openjdk > > -> /etc/alternatives/jre_openjdk > > > > How do I get the Sun java to be the default Java, without doing a 24 > > step build that Googling finds ? > > You must register the new java alternative with the alternatives command > first. Just type in as root in a terminal window: > alternatives --install /usr/bin/java java /opt/jre1.6.0/bin/java 3 > alternatives --config java Thanks for the reply Marcelo. > And select the one you want to be the default. Replace > "/opt/jre1.6.0/bin/" with the path where you have decompressed Sun's > java binaries. > I've read a long time ago that we shouldn't install Sun's Java RPM in > Fedora, because it would overwrite some files of GCJ. Interesting. > When you update > GCJ the next time, it will overwrite back the Sun's files. I don't know > for sure if this was correct or if it is still the case but maybe, just > to be safe, you should download the non-rpm package from Sun and > decompress it manually in /opt or other directory you like. > If any one knows if it's still not recommended to install Sun's Java RPM > package, please let us know. I wasn't aware of this. Maybe it the problem with my Eclipse install. -- fedora-list mailing list fedora-list@xxxxxxxxxx To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list Guidelines: http://fedoraproject.org/wiki/Communicate/MailingListGuidelines