Troubleshooting your Job

If you encounter errors while performing the sample scenario, take a look at some solutions to help you successfully run the Job.

• Incorrect Cloudera setup: Cloudera may have set up your cluster with their internal Fully Qualified Domain Names (FQDN). If this is the case, then you may need to make an addition to your hosts file to prevent connection issues.

  To do this, navigate to C:\\Windows\System32\drivers\etc and then open the Hosts file as an Administrator. Then add your cluster's external IP address and your internal FQDN. Save the file.

  This should prompt Cloudera to use the internal FQDN.

• Common error in any Big Data Batch Job: If you are connecting to a Hadoop Cluster that is located in a different server as Talend Studio, then ignore the following error:

  
  The error simply locates winutils to run the Spark workers locally. To get rid of this error, download and extract winutils. Set your Hadoop home directory to the location where you extracted it.