Fixing Logstash: (OpenSSL::X509::StoreError) setting default path failed: the trustAnchors parameter must be non-empty

While starting the Logstash you may run into this error: org.jruby.exceptions.RaiseException: (OpenSSL::X509::StoreError)…

logstash trustAnchors

While starting the Logstash you may run into this error:

org.jruby.exceptions.RaiseException: (OpenSSL::X509::StoreError) setting default path failed: the trustAnchors parameter must be non-empty

Big Data basics

Big Data collocation has become pretty popular recently. But what is behind…

big data basics

Big Data collocation has become pretty popular recently. But what is behind its first meaning of “large and complex data sets”? Now we will talk about Big Data basics.

Error “org.apache.spark.SparkException: A master URL must be set in your configuration”

15/10/06 17:14:43 ERROR SparkContext: Error initializing SparkContext. org.apache.spark.SparkException: A master URL must…

15/10/06 17:14:43 ERROR SparkContext: Error initializing SparkContext.
org.apache.spark.SparkException: A master URL must be set in your configuration