your php scripts run using apache user which most probably doesn't have HADOOP_HOME, HADOOP_CONF_DIR, ...etc variables defined, please try to define them in the php script before making the call.
I hope it works. -- Ibrahim On Sun, Jan 13, 2013 at 11:38 PM, Sékine Coulibaly <scoulib...@gmail.com>wrote: > Hi there, > > I've been able to start locally the factorize-movielens script. What I'd > like to do is basically create a PHP webservice able to start that very > same script, and return the recommendations. > > I'm using Apache2, and I use PHP's shell_exec to start the script as > follows : > > > putenv("JAVA_HOME=" .'/usr/local/jvm/jdk1.7.0_05'); > $output = > > shell_exec('/home/scoulibaly/Téléchargements/mahout-distribution-0.6/examples/bin/factorize-movielens-1M.sh > > /home/scoulibaly/Téléchargements/mahout-distribution-0.6/examples/bin/ratings.dat'); > echo $output; > > > Unfortunately the output I get is as follows : > > creating work directory at /tmp/mahout-work-www-data > > Converting ratings... > > MAHOUT_LOCAL is not set; adding HADOOP_CONF_DIR to classpath. > no HADOOP_HOME set, running locally > MAHOUT_LOCAL is not set; adding HADOOP_CONF_DIR to classpath. > no HADOOP_HOME set, running locally > MAHOUT_LOCAL is not set; adding HADOOP_CONF_DIR to classpath. > no HADOOP_HOME set, running locally > MAHOUT_LOCAL is not set; adding HADOOP_CONF_DIR to classpath. > no HADOOP_HOME set, running locally > > RMSE is: > > > > > Sample recommendations: > > > > > removing work directory > > > I know this is not strictly a Mahout issue, but if someone could point me a > way to start Mahout jobs from a PHP script, I'd be very grateful ! > > Thank you >