OrcInputFormat is an implementation of InputFormat interface, where method getSplits determines the number of mappers https://hive.apache.org/javadocs/r0.13.1/api/ql/org/apache/hadoop/hive/ql/io/orc/OrcInputFormat.html. ... View more

are you experiencing this? https://community.hortonworks.com/questions/2346/bug-in-hdp-232-and-earlier-releases-ambari-pig-vie.html ... View more

@Ali Gouta you're showing two different versions of Java. Notice one is 66 and the one in ambari.properties is 40. Modify the ambari.properties as @smohanty suggested to the latest version. ... View more

@Ali Gouta it would be asking too much to replace a working JDK just to troubleshoot one node. I don't think it's necessary, unfortunately I am not familiar with this error. Let's hope the bigger HCC community can chip in. ... View more

@Venkata Sridhar Gangavarapu I did not say close configuration block, you did not close distcp block <distcpxmlns="uri:oozie:distcp-action:0.2"> </distcp> ... View more

Here's the original post https://pig.apache.org/docs/r0.15.0/api/org/apache/pig/builtin/GenericInvoker.html ... View more

@Suresh Bonam I tried the StringConcat and it didn't work, even though GenericInvoker does accept functions that are not Static. InvokeForString('java.lang.String.concat', 'String String', 'false') with false being isStatic didn't work for me. I ping the Pig mailing list, will see. It is pretty limiting with only primitives and only static methods, that's a shame! ... View more

it does say in the post you reference that user enabled Oracle JDK 1.8, have you tried that? Here's documentation to change JDK http://docs.hortonworks.com/HDPDocuments/Ambari-2.2.0.0/bk_ambari_reference_guide/content/ch_changing_the_jdk_version_on_an_existing_cluster.html ... View more

here are some additional flags you can pass to list the corrupt blocks. You might also be experiencing stale alerts on Ambari. To get more insight, drill down to the Ambari database, specifically in the alerts tables. pathStart checking from this path.-deleteDelete corrupted files.-filesPrint out files being checked.-files -blocksPrint out the block report-files -blocks -locationsPrint out locations for every block.-files -blocks -racksPrint out network topology for data-node locations.-includeSnapshotsInclude snapshot data if the given path indicates a snapshottable directory or there are snapshottable directories under it.-list-corruptfileblocksPrint out list of missing blocks and files they belong to.-moveMove corrupted files to /lost+found.-openforwritePrint out files opened for write. ... View more

try localhost instead? Also, check the version of openssl package on your OS and confirm with the Ambari version you're using in our guides. If other nodes connect successfully, confirm the openssl version on those hosts matches this host. ... View more