Symptom
Getting error when using Hive or Impala Adapter with Kerberos authentication.
When dpagent tries to open the connection to source database with Kerberos enable, you may get the following error (Take HiveAdapter for example) if you use keytab file or ticket cache file.
[ERROR] com.sap.hana.dp.adapter.framework.core.WorkerThread.processRequest[361] - Failed to obtain the credentials from the credential properties Context: null
com.sap.hana.dp.adapter.sdk.AdapterException: Failed to obtain the credentials from the credential properties
at hiveadapter.AdapterProperties.<init>(AdapterProperties.java:80)
at hiveadapter.HiveAdapter.open(HiveAdapter.java:425)
at com.sap.hana.dp.adapter.framework.core.WorkerThread.processAdapterOpen(WorkerThread.java:1628)
at com.sap.hana.dp.adapter.framework.core.WorkerThread.processRequest(WorkerThread.java:216)
at com.sap.hana.dp.adapter.framework.core.WorkerThread.run(WorkerThread.java:1863)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:805)
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Environment
- SAP HANA Smart Data Integration 1.0 SP3 and greater
- SAP HANA Smart Data Integration 2.0 SP0 and greater
Product
Keywords
DP Agent , KBA , HAN-DP-SDI , SAP HANA smart data integration (SDI) , How To
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