When setting up Coordinator Only Impala Daemons, if those Impala Daemons do not have DataNode assigned to them, Impala will fail with error: This article will example what we can do about it. The reason for the failure is because due to the missing DataNode role, the socket path dfs.domain.socket.path …
Recently I was dealing with an issue that HiveServer2 was not able to start up and keeps failing with NullPointerException error. See below full stacktrace: Since the stacktrace showed that HiveServer2 failed to startup while loading All Functions, I focused my analysis on checking the list of functions we had …
If your spark-shell or pyspark failed to start with below error message: You are not alone. This error is common in Spark 2 when you run spark-shell or pyspark on a host that has both Spark and HBase gateway installed, and Spark will pick up HBase configurations and try to …
My new Snowflake Blog is now live. I will not be updating this blog anymore but will continue with new contents in the Snowflake world!