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Linux, java.exe and jar.exe

I am running on RHEL 6.5

I am using the following version of java

java -version
java version "1.7.0_09-icedtea"
OpenJDK Runtime Environment (rhel-2.3.7.1.el6_3-i386)
OpenJDK Server VM (build 23.7-b01, mixed mode)

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What I want to do is to run jar.exe, but when I try that I get the following:

jar.exe
-bash: jar.exe: command not found

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The jar.exe comes with the JDK, I thought I had the JDK, given th e java -version output above, but apparently I was mistaken.

How Can I easily install the 1.7 JDK

Hopefully with a yum install   ???

(Does not have to be 32 bit, I can handle a 64 bit java

THanks
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Los Angeles1
Asked:
Los Angeles1
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1 Solution
 
woolmilkporcCommented:
The name of the binary should be just "jar", not "jar.exe" under Linux.
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Los Angeles1Author Commented:
Your right, did not think of that

However,  I tried the following:

jar
-bash: jar: command not found

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So it appears that I need a NDK

Could you please tell me how to yum install a 1.7 JDK ?

Thanks
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CEHJCommented:
(Does not have to be 32 bit, I can handle a 64 bit java
Looks to me that you have a 32 JRE, so you should check if you've got the right version of that as well as installing a JDK
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Los Angeles1Author Commented:
Yes, I put a 32 bit version of the FRE on there on  purpose originally, but now I need a JDK, and it will be much easier to install if its a 64 bit

Can someone please tell me how to yum install the 64 bit JDK for RHEL 6.x

Thanks
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CEHJCommented:
Not me i'm afraid - i'm rpm-phobic ;)
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woolmilkporcCommented:
JDK comes with a complete JRE, so you will also get a new JRE when following the below instructions.

You can download the JDK from here:

JDK 7:
http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.html

Install  with one of these commands (adjust the package name if needed):

rpm -Uvh /path/to/rpm/jdk-7u51-linux-i586.rpm # JDK  32bit

or

rpm -Uvh /path/to/rpm/jdk-7u51-linux-x64.rpm # JDK 64bit

Then use "alternatives" to make it known to your machine as the default (by creating appropriate links in /usr/bin).  Again, adjust the installation path name (the third parameter) if required:

java:
alternatives --install /usr/bin/java java /usr/java/jdk1.7.0_51/jre/bin/java 200000

javaws:
alternatives --install /usr/bin/javaws javaws /usr/java/jdk1.7.0_51/jre/bin/javaws 200000

javac/jar:
alternatives --install /usr/bin/javac javac /usr/java/jdk1.7.0_51/bin/javac 200000
alternatives --install /usr/bin/jar jar /usr/java/jdk1.7.0_51/bin/jar 200000

Don't forget to update the JAVA_HOME environment variable in /etc/profile or $HOME/.bash_profile.


Should you want to stay at your 7.0_09 version have a look here for the corresponding JDK:

http://www.oracle.com/technetwork/java/javase/downloads/java-archive-downloads-javase7-521261.html#jdk-7u9-oth-JPR

You can also install both (09 and 51) and use "alternatives --config" to switch between versions.
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