Writing to HDFS from Java, getting “could only be replicated to 0 nodes instead of minReplication”

Question

I’ve downloaded and started up Cloudera\'s Hadoop Demo VM for CDH4 (running Hadoop 2.0.0). I’m trying to write a Java program that will run from my windows 7 machine (The same

Answer 1

From error message replication factor seems to be fine i.e.1. It Seems datanode is properly functioning or have permission issues. Check the permissions and check the status of datanode form the user, you are trying to run hadoop.