[Java] Development Kit Issues
Jeff Mutonho
ejbengine at gmail.com
Mon Mar 27 15:59:02 UTC 2006
On 3/27/06, Ali Helmy <alihelmy at gmail.com> wrote:
> ok, so i exported the path with
> export JAVA_HOME=/home/ahelmy/jdk1.5.0
>
> then i checked which jar, it said
> /usr/bin/jar which is a link that points to /usr/java/jdk1.5/bin/jar which
> is the correct path
>
> so then i remade the file using jar -cf, but the bloody bastard
> (MANIFEST.mf) still says Created-By: 0.92-gcc
>
> WTF should i do now?
Why don't you just kill (remove) /usr/bin/jar and then do
export PATH=$PATH:$JAVA_HOME/bin as already suggest .Do you really
need the /usr/bin/jar syslink?
>
> On 27/03/06, Kazimieras Vaina <kazimieras.vaina at gmail.com > wrote:
> > I did some searching and found that java-1.4.2-gcj-compat-devel contains
> > jar program. You may check if it's installed and remove it.
> > You can update the PATH as well, if You have exported JAVA_HOME
> > previously:
> > export PATH=$PATH:$JAVA_HOME/bin
> >
> > hope that helps
> >
> > On Mon, 2006-03-27 at 06:26 -0600, Michael Yep wrote:
> > > As far as the java instalation goes, what i did was unpacked the zip
> > > from sun, and then you just need to type
> > > export JAVA_HOME=/home/username/jdk1.5.0
> > > its been working great for me since FC1
> > >
> > > Ali Helmy wrote:
> > > > The fedora solved project talks about how to make the JRE the default
> > > > run time environment... I already did that, by replacing the link for
> > > > the java command in gcj by a link to the java command in the jdk
> folder...
> > > >
> > > > However, that isn't my problem... my problem is that the JDK jar
> > > > program, creates MANIFEST files usinf gcc... i don't know how the jar
> > > > program does that, and i dont know which file is used to create
> MANIFEST
> > > > files... i think it is an old link in the /usr/bin directory or some
> > > > other old link that i have to replace from pointing at the gcc folder
> to
> > > > the jdk folder...
> > > >
> > > > Anyone know what files, libs or programs jar uses to create jar files?
> > > >
> > > > On 27/03/06, *Kazimieras Vaina* < kazimieras.vaina at gmail.com
> > > > <mailto:kazimieras.vaina at gmail.com >> wrote:
> > > >
> > > > Hi,
> > > >
> > > > There is also /usr/sbin/alternatives command to solve Sun jdk and
> gcj
> > > > conflicts.
> > > > At
> http://fedorasolved.org/browser-solutions/sun-java-installation
> > > > You may find some hints how to use the alternatives command.
> > > >
> > > > On Sun, 2006-03-26 at 20:26 -0500, Dan wrote:
> > > > > Ali Helmy wrote:
> > > > > > Hey mate,
> > > > > >
> > > > > > Thanks for the information... i tried your suggestion about
> the
> > > > > > BufferedReader and it worked... however:
> > > > > >
> > > > > > Possibly there's still some gcj toolset stuff left. If you
> want to
> > > > > > solve this clean, check out the jpackage.org
> > > > <http://jpackage.org> < http://jpackage.org/>
> > > > > > site and download the rpm building package. It allows you to
> > > > create an
> > > > > > rpm file for the jdk which is compatible with "alternatives".
> This
> > > > > > way, you can switch the system JRE between gcj and the Sun JDK
> (and
> > > > > > others).
> > > > > >
> > > > > > umm, can you provide more detailed info?
> > > > > >
> > > > > > On 26/03/06, *Klaasjan Brand* < klaasjan at gmail.com
> > > > <mailto:klaasjan at gmail.com>
> > > > > > <mailto: klaasjan at gmail.com <mailto:klaasjan at gmail.com>>>
> wrote:
> > > > > >
> > > > > >
> > > > > >
> > > > > > On 3/26/06, *Ali Helmy* < alihelmy at gmail.com
> > > > <mailto:alihelmy at gmail.com>
> > > > > > <mailto: alihelmy at gmail.com <mailto:alihelmy at gmail.com>>>
> wrote:
> > > > > >
> > > > > > Hey mates,
> > > > > >
> > > > > > I need to inquire about two issues in particular
> regarding
> > > > > > JDK... Firstly, so that you can understand my
> background:
> > > > > >
> > > > > > - I'm running FedoraCore 5
> > > > > > - In the FC installation, I installed the regular Java
> > > > > > Development libs & tools (such as eclipse, gcj,
> ...etc)
> > > > > > - I downloaded and installed the JDK1.5 and the JVM
> from Sun
> > > > > > Microsystems, Inc.
> > > > > > - I removed all the java related bins in the /usr/bin
> > > > folder,
> > > > > > then recreated the links to the new bins in the
> > > > > > /usr/java/jdk1.4.0/bin library to make the javac,
> java, jar,
> > > > > > javah... etc commands use the new JDK
> > > > > >
> > > > > >
> > > > > > Now here's my problems:
> > > > > >
> > > > > > A) When i create a jar file (ex: jar -cf Anyfile.jar
> > > > > > Anyclass.class), the manifest file created with it
> > > > > > (META-INF/MANIFEST) lists:
> > > > > > Manifest-Version: 1.0
> > > > > > Created-By: 0.92-gcc
> > > > > > where you see, that my problem is that the manifest
> file was
> > > > > > created by "gcc" apparently, and not 1.5.0_01 (Sun
> > > > > > Microsystems Inc.) which should have been the case...
> > > > so, how
> > > > > > can i change the manifest file maker?
> > > > > >
> > > > > >
> > > > > > Possibly there's still some gcj toolset stuff left. If you
> > > > want to
> > > > > > solve this clean, check out the jpackage.org
> > > > <http://jpackage.org> < http://jpackage.org>
> > > > > > site and download the rpm building package. It allows you
> to
> > > > > > create an rpm file for the jdk which is compatible with
> > > > > > "alternatives". This way, you can switch the system JRE
> between
> > > > > > gcj and the Sun JDK (and others).
> > > > > >
> > > > > >
> > > > > > And the Note I Get after compiling with (javac
> > > > > > -Xlint:deprecation ...etc):
> > > > > > [ahelmy at Laptop Java]$ javac -Xlint:deprecation
> > > > > > ReadingFromConsole.java
> > > > > > ReadingFromConsole.java:12: warning: [deprecation]
> > > > readLine()
> > > > > > in java.io.DataInputStream has been deprecated
> > > > > > UsrInput =
> IStream.readLine();
> > > > > >
> > > > > > So, does anyone know a replacement to read directly a
> > > > line of
> > > > > > user input from the ( System.in < http://System.in>
> > > > <http://System.in>) through a
> > > > > > console? Because .readline( ) was the one listed in
> the API
> > > > > >
> > > > > >
> > > > > > It's in the API documentation:
> > > > > >
> > > >
> http://java.sun.com/j2se/1.4.2/docs/api/java/io/DataInputStream.html#readLine()
> > > >
> <http://java.sun.com/j2se/1.4.2/docs/api/java/io/DataInputStream.html#readLine()
> >
> > > > > >
> > > >
> <http://java.sun.com/j2se/1.4.2/docs/api/java/io/DataInputStream.html#readLine%28%29
> >
> > > > > >
> > > > > > Wrap the InputStream in a BufferedReader and you'll get
> rid
> > > > of the
> > > > > > deprecation (and gain compatibility with different
> character
> > > > sets).
> > > > > >
> > > > > > Klaasjan
> > > > > >
> > > > > >
> > > > > > --
> > > > > > fedora-list mailing list
> > > > > > fedora-list at redhat.com <mailto:fedora-list at redhat.com>
> > > > <mailto: fedora-list at redhat.com <mailto:fedora-list at redhat.com>>
> > > > > > To unsubscribe:
> > > >
> https://www.redhat.com/mailman/listinfo/fedora-list
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > > --
> > > > > > A. Helmy
> > > > > Check out the first and second replies of this post:
> > > > > http://www.fedorasolved.com/viewtopic.php?t=120
> > > > > It's for FC4, but the same thing works for FC5.
> > > > > -Dan
> > > > >
> > > >
> > > > --
> > > > fedora-list mailing list
> > > > fedora-list at redhat.com <mailto: fedora-list at redhat.com>
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> https://www.redhat.com/mailman/listinfo/fedora-list
> > > > <
> https://www.redhat.com/mailman/listinfo/fedora-list>
> > > >
> > > >
> > > >
> > > >
> > > > --
> > > > A. Helmy
> > > >
> > >
> > > --
> > > Michael Yep
> > > Development / Technical Operations
> > > RemoteLink, Inc.
> > > (630) 983-0072 x164
> > >
> > > GPG Public Key
> > >
> http://pgpkeys.mit.edu:11371/pks/lookup?op=get&search=0x126439D9
> > >
> >
> > --
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> >
>
>
>
> --
> A. Helmy
> --
> fedora-list mailing list
> fedora-list at redhat.com
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>
>
--
"All I ask is a chance to prove that money can't make me happy."
Jeff Mutonho
Java/J2EE Developer
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