Datastage: APT_Communicator::connectTo: connect() failed due to Unix error = 10,061

If you are getting the error message while running the job:

You have to follow these steps to fix the issue:

1. You must ensure that you have in hosts file these two entries
   
   127.0.0.1 localhost ::1 localhost

   1 2	127.0.0.1 localhost ::1 localhost

2. Next step is try if this commands working fine
   
   ping -4 localhost ping -6 localhost

   1 2	ping -4 localhost ping -6 localhost

3. Set the parameter $APT_USE_IPV4 in DataStage project to True (1)
   1. Open DataStage InfoSphere Administrator client
   2. Select the project and on the properties button
   3. On the general tab click on the “Environment” button
   4. The parameter $APT_USE_IPV4 is located in the “Parallel” category
   5. Change the value to True
   6. Try run the job again!

Source: http://www-01.ibm.com/support/docview.wss?uid=swg21622965