If the solution given my Matei Zaharia wont work , which I guess it wont if you are using eclipse 3.3.0 because this is a bug , which they resloved it in later version which is eclipse 3.4 ganymede. Better upgrade eclipse version.
On 2/26/09, Matei Zaharia <ma...@cloudera.com> wrote: > These variables have to be at runtime through a config file, not at compile > time. You can set them in hadoop-env.sh: Uncomment the line with export > HADOOP_HEAPSIZE=<whatever> to set the heap size for all Hadoop processes, or > change options for specific commands. Now these commands are for the Hadoop > processes themselves, but if you are getting the error in tasks you're > running, you can set these in your hadoop-site.xml through the > mapred.child.java.opts variable, as follows: > <property> > <name>mapred.child.java.opts</name> > <value>-Xmx512m</value> > </property> > > By the way I'm not sure if -J-Xmx is the right syntax; I've always seen -Xmx > and -Xms. > > On Wed, Feb 25, 2009 at 5:05 PM, madhuri72 <akil...@gmail.com> wrote: > >> >> Hi, >> >> I'm trying to run hadoop version 19 on ubuntu with java build >> 1.6.0_11-b03. >> I'm getting the following error: >> >> Error occurred during initialization of VM >> Could not reserve enough space for object heap >> Could not create the Java virtual machine. >> make: *** [run] Error 1 >> >> I searched the forums and found some advice on setting the VM's memory via >> the javac options >> >> -J-Xmx512m or -J-Xms256m >> >> I have tried this with various sizes between 128 and 1024 MB. I am adding >> this tag when I compile the source. This isn't working for me, and >> allocating 1 GB of memory is a lot for the machine I'm using. Is there >> some >> way to make this work with hadoop? Is there somewhere else I can set the >> heap memory? >> >> Thanks. >> >> >> >> >> >> -- >> View this message in context: >> http://www.nabble.com/Could-not-reserve-enough-space-for-heap-in-JVM-tp22215608p22215608.html >> Sent from the Hadoop core-user mailing list archive at Nabble.com. >> >> >
