Play-Framework can't seem to find Java executable.

[jbran...@gmail.com]

I have seen a similar thread on this, but it was for Windows and it
didn't help me much. Here is the issue that I am experiencing. I have
an Ubuntu web server and I just installed Play on it. I installed Play
in my var/www directory, but because of permissions, I am forced to do
the actual app creation in my account directory. So I navigated to my
account directory and typed "/var/www/play/play new myApp" and then
named the app. A simple 'ls' shows that it was created successfully.
The tutorial I am following now instructs me to run the app, so I type
"/var/www/play/play run myApp", it begins to run it, but then errors
out with the following message: "Could not execute the java
executable, please make sure the JAVA_HOME environment variable is set
properly (the java executable should reside at JAVA_HOME/bin/java)."
Any suggestions on how to fix this?

[Steve Chaloner]

I think it's better to not have play in your /var/www folder -
instead, put it in /opt, /usr/local, /usr/share or somewhere similar.

Things to check:
1. Do you have JAVA_HOME set? Use "env" or "echo $JAVA_HOME" to check
this
2. Which user account is being used to start your app? Does that user
have JAVA_HOME set?

- Steve

On Mar 15, 4:09 am, "jbranch...@gmail.com" <jbranch...@gmail.com>
wrote:

[jbran...@gmail.com]

I can try moving Play to a different directory, but in the meantime I am still getting the same error message. I have ensured that JAVA_HOME is set to "/usr/lib/jvm/java-6-openjdk/bin". However when I try to run the Play application that I have created, it still says "Could not execute the java executable, please make sure the JAVA_HOME environment variable is set properly (the java executable should reside at JAVA_HOME/bin/java)."

From this same directory, I am able to successfully compile and run Java files, so I don't think there is actually anything wrong with the JAVA_HOME path. Any other ideas?

[Steve Chaloner]

Install play in your /tmp directory, set PLAY_HOME to point to it,
make sure PLAY_HOME is on your path and try again. Let me know what
happens.

- Steve

On Mar 15, 3:53 pm, "jbranch...@gmail.com" <jbranch...@gmail.com>
wrote:

[Pascal Voitot Dev]

Just a quick suggestion: generally the JAVA_HOME doesn't point to "/usr/lib/jvm/java-6-openjdk/bin" but to "/usr/lib/jvm/java-6-openjdk/" without BIN, isn't it?

On Tue, Mar 15, 2011 at 3:53 PM, jbran...@gmail.com <jbran...@gmail.com> wrote:

I can try moving Play to a different directory, but in the meantime I am still getting the same error message. I have ensured that JAVA_HOME is set to "/usr/lib/jvm/java-6-openjdk/bin". However when I try to run the Play application that I have created, it still says "Could not execute the java executable, please make sure the JAVA_HOME environment variable is set properly (the java executable should reside at JAVA_HOME/bin/java)."

From this same directory, I am able to successfully compile and run Java files, so I don't think there is actually anything wrong with the JAVA_HOME path. Any other ideas?

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[jbran...@gmail.com]

I moved play to my tmp directory and then I modified my etc/environment to look like the following:

PLAY_PATH="/tmp/play"

JAVA_HOME="/usr/lib/jvm/java-6-openjdk"

PATH="$PLAY_PATH:$JAVA_HOME:$JAVA_HOME/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games"

However, I then went to use the play command in my account's directory and it couldn't recognize it. Am I even modifying the right file?

[jbran...@gmail.com]

This seemed to help because it isn't having trouble finding java anymore. Thanks for your help!