Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

java.lang.OutOfMemoryError: Java heap space at java.util.ArrayList.iterator( at org.apache.hadoop.hdfs.LeaseRenewer.clientsRunning( at org.apache.hadoop.hdfs.LeaseRenewer.access$500(