What version of hadoop are you running? On May 23, 2012, at 12:16 PM, Mark Kerzner wrote:
> Hi, all, > > I got the exception below in the mapper. I already have my global Hadoop > heap at 5 GB, but is there a specific other setting? Or maybe I should > troubleshoot for memory? > > But the same application works in the IDE. > > Thank you! > > Mark > > *stderr logs* > > Exception in thread "Thread for syncLogs" java.lang.OutOfMemoryError: > Java heap space > at java.io.BufferedOutputStream.<init>(BufferedOutputStream.java:76) > at java.io.BufferedOutputStream.<init>(BufferedOutputStream.java:59) > at org.apache.hadoop.mapred.TaskLog.writeToIndexFile(TaskLog.java:292) > at org.apache.hadoop.mapred.TaskLog.syncLogs(TaskLog.java:365) > at org.apache.hadoop.mapred.Child$3.run(Child.java:157) > Exception in thread "communication thread" java.lang.OutOfMemoryError: > Java heap space > > Exception: java.lang.OutOfMemoryError thrown from the > UncaughtExceptionHandler in thread "communication thread" -- Arun C. Murthy Hortonworks Inc. http://hortonworks.com/
