Symptom
When trying to set up an SDA connection from HANA to HADOOP using the SPARKSQL adapter, the following errors are encountered:
- Authentication Error:
SparkSQLAccess::createSessionContinueMessage: ERROR: Authentication failed!! Got an StatusError when accessing Kerberos init context:: Kerberos error. Major: "unspecified [851968]", minor: "KDC can't fulfill requested option [2529638925/-1765328371]"
- hana_controller.log:
00/00/00 00:00:00 DEBUG HanaMessageHandler: Received Request from: '00.000.00.00'; Message Type => 'MDS_BROWSE'
00/00/00 00:00:00 INFO CommandRouterLegacy: Current Assignments => 1 *** Sensitive Data Detected And Removed: < >***000-00000000000000000000#00000000-0000-0000-0000-00000000000e -> Actor[akka://SAPHanaSpark/user/Controller/HanaSparkRouter/$a#-2057821885]; Incoming Assignment => '0 *** Sensitive Data Detected And Removed: < > ***000-00000000000000000000#00000000-0000-0000-0000-00000000000f'
00/00/00 00:00:00 INFO RequestHandler: Bound Message to Orchestrator: '00000000-0000-0000-0000-00000000000f'
00/00/00 00:00:00 INFO RequestHandler: Retrieving Bound Message: '00000000-0000-0000-0000-00000000000f'
00/00/00 00:00:00 DEBUG NetworkUtils: Outbound Message => 'Message Type => 'ERROR'; Message Id => '2278955484417812'; Request Id => '00000000-0000-0000-0000-00000000000f'; Session Id => '1 *** Sensitive Data Detected And Removed: < > ***000-00000000000000000000';'
00/00/00 00:00:00 ERROR RequestHandler: Failed to perform 'MDS_BROWSE' due to java.lang.IllegalArgumentException: Null user
at org.apache.hadoop.security.UserGroupInformation.createProxyUser(UserGroupInformation.java:1530)
- indexserver.trc:
[000000]{000000}[00/0] 0000-00-00 00:00:00.000000 e FedTrace FederationRdes.cpp(00378) : Delegation setup error:Hana user SYSTEM has no external identity
[...]
[000000]{000000}[00/0] 0000-00-00 00:00:00.000000 e FedTrace SparkSQLAccess.cpp(04072) : SparkSQLAccess::BrowseMetadata: failed with error: Failed to perform 'MDS_BROWSE' due to java.lang.IllegalArgumentException: Null user
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Environment
- HANA revision: HANA 2.0 SP03
- Spark at Hadoop cluster Version: Spark version 1.6
- Hadoop cluster Version: Hadoop 2.6.0-cdh5.15.1
- Spark Controller version: 2.0 SP03 PL5
Product
Keywords
SPARKSQL, Spark controller, HADOOP, HANA, Delegation, Delegation Setup Error, Kerberos, Authentication, Remote Server, SDA, Smart Data Access, SDA Connection , KBA , HAN-DB-SDA , SAP HANA Smart Data Access , Problem
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