Hi, I am trying to setup flink with yarn on MapR. I built flink using the following command and build finished successfully.
mvn clean install -DskipTests -Pvendor-repos -Dhadoop.version=2.7.0-mapr-1607 -Dhadoop.vendor=MapR Now when I try to start yarn session I am seeing the below error 2016-11-10 16:03:07,795 DEBUG org.apache.flink.runtime.security.JaasConfiguration - JAAS configuration requested for the application entry: hadoop_simple Debug is true storeKey false useTicketCache true useKeyTab false doNotPrompt true ticketCache is null isInitiator true KeyTab is null refreshKrb5Config is false principal is null tryFirstPass is false useFirstPass is false storePass is false clearPass is false Acquire TGT from Cache >>>KinitOptions cache name is /tmp/krb5cc_0 Principal is null null credentials from Ticket Cache [Krb5LoginModule] authentication failed Unable to obtain Principal Name for authentication 2016-11-10 16:03:07,803 DEBUG org.apache.hadoop.security.UserGroupInformation - failure to login javax.security.auth.login.LoginException: Unable to obtain Principal Name for authentication at com.sun.security.auth.module.Krb5LoginModule.promptForName(Krb5LoginModule.java:841) at com.sun.security.auth.module.Krb5LoginModule.attemptAuthentication(Krb5LoginModule.java:704) at com.sun.security.auth.module.Krb5LoginModule.login(Krb5LoginModule.java:617) I am not sure why it is trying to use kerberos for authentication. The cluster is an unsecure cluster and I did not enable kerberos. I also tried running yarn session by directly downloading flink package for hadoop 2.7 on MapR and it complains the scheme is file. I could not figure out how to change it to MapR FS. Could you please help me on this. Thanks, Naveen