JDK not found on CentOS 6 x64

Question

I installed jetty on a CentOS 6 server, but when i try to reach a WAR example of jetty I get this error :

org.apache.jasper.JasperException: PWC6345: There is an error in invoking javac.  A full JDK (not just JRE) is required

yum says that the JDK 1.6 is already installed and when I run

locate javac

nothing relevant is returned.

I added /usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/jre/bin to $PATH

but I think this is still JRE and not a JDK.

I downloaded and executed java_ee_sdk-6u4-jdk7-linux-x64.sh but it outputs Could not locate a suitable jar utility.

Do someone know how could I install the Java development kit 1.6 on this server ?

EDIT : I updated JAVA_HOME and PATH and I still get the same error. I added the following commands to my bash_profile :

export PATH=/usr/java/latest/bin:$PATH:$HOME/bin
export JAVA_HOME=/usr/java/latest/

But I get an unexpected EOF syntax error

EDIT 2 :

I installed jdk-7-linux-x64.rpm as the other weren't working, which generated new files in /usr/java/. unfortunately, after adding the new path to java it still doesn't work.

thanks in advance

score 5 · Accepted Answer · answered May 02 '12 at 14:45

5

You need to install java-1.6.0-openjdk-devel as well.

answered May 02 '12 at 14:45

rvs

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Thanks you very much ! I never seen anywhere that I had to install this package as well – Jerec TheSith May 02 '12 at 14:49
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also, use /bin/java instead of /jre/bin/java . – djangofan May 04 '12 at 18:20

score 2 · Answer 2 · answered May 02 '12 at 14:52

So, main answer: once you've found out where javac is, your life will be better if you use the "alternatives" command to set the default javac and java, and then set JAVA_HOME to /usr. Here are simple instructions: http://www.rndblog.com/how-to-switch-java-in-centos/

Now, let's try to find javac. I would expect it to be in /usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/bin - does that directory exist? If not, what do you have under /usr/java - is there a /usr/java/jdkxxxx there? If so, check /usr/java/jdkxxxx/bin.

after installing `jdk-7-linux-x64.rpm` and `java-1.6.0-openjdk-devel`, I located javac in `/usr/java/jdk1.7.0/bin/`. Thanks for your help — Jerec TheSith, May 02 '12 at 15:04

score 1 · Answer 3 · answered May 02 '12 at 13:23

1

Have you set JAVA_HOME to /usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64?

answered May 02 '12 at 13:23

womble

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I set JAVA_HOME to this folder but nothing changes – Jerec TheSith May 02 '12 at 13:33

JDK not found on CentOS 6 x64

3 Answers3