@Tomas79 wrote: Update: try Toad for Hadoop. It supports Impala and Hive with Kerberos, unfortunately the combination LDAP+Kerberos is not supported (yet). Not supported, but where is a trick how to connect to Impala under Kerberos + LDAP in TOAD for Hadoop. 1) First, select in TOAD Impala + LDAP only (without Kerberos) and check connection. It fails, well. 2) Enable Kerberos in TOAD (LDAP auth options will become unalivable), but still actual. Check connection again. 3) Success! ... View more

I think it is a defaults for decision conditions. Substitute your variables in this expression. ... View more

Use Hive JDBC Driver (with port 21050) to connect to Impala. It works fine in non-Kerberized cluster/without authentication.   https://www.cloudera.com/documentation/enterprise/5-8-x/topics/impala_jdbc.html ... View more

Have the same problem, but after clean and reinstall cluster (using parcels). Error appears when oozie java action wrties to HDFS (runs from HUE). Earlier on this cluster was Kerberos, and I cleand all (I hope) directories from previous installation.   Here is a detailed message: Failing Oozie Launcher, Main class [org.apache.oozie.action.hadoop.JavaMain], main() threw exception, java.io.IOException: Failed on local exception: java.io.IOException: Server asks us to fall back to SIMPLE auth, but this client is configured to only allow secure connections.; Host Details : local host is: "hadoop-05.xxx.xx/172.19.x.xxx"; destination host is: "hadoop-02.xxx.xx":8020; org.apache.oozie.action.hadoop.JavaMainException: java.io.IOException: Failed on local exception: java.io.IOException: Server asks us to fall back to SIMPLE auth, but this client is configured to only allow secure connections.; Host Details : local host is: "hadoop-05.xxx.xx/172.19.x.xxx"; destination host is: "hadoop-02.xxx.xx":8020;   ... View more