Hello, I am trying to install Sentry on the Quickstart VM 5.12.0 following the instructions here: https://www.cloudera.com/documentation/enterprise/5-12-x/topics/sg_sentry_service_install.html#concept_zsk_pr5_1q__section_pwm_fsx_kq   I configured it with the default mysql options for the instance that comes with Cloudera: Database Host Name: quickstart.cloudera Database Type: MySQL Database Name: cm Username: cm Password: cloudera   Here is the error message I am getting on Step 5 when it trys to start the Sentry service. The previous steps including Creating Sentry Database Tables are fine. Any help would be very much appreciated. Thanks:   12:03:45.185 AM INFO SentryService Attempting to start... 12:03:45.207 AM INFO SentryService ProcessorFactory being used: org.apache.sentry.provider.db.service.thrift.SentryPolicyStoreProcessorFactory 12:03:45.763 AM INFO Persistence Property datanucleus.cache.level2 unknown - will be ignored 12:03:46.183 AM WARN BoneCPConfig Max Connections < 1. Setting to 20 12:03:48.221 AM WARN Query Query for candidates of org.apache.sentry.provider.db.service.model.MSentryVersion and subclasses resulted in no possible candidates Required table missing : "`SENTRY_VERSION`" in Catalog "" Schema "". DataNucleus requires this table to perform its persistence operations. Either your MetaData is incorrect, or you need to enable "datanucleus.autoCreateTables" org.datanucleus.store.rdbms.exceptions.MissingTableException: Required table missing : "`SENTRY_VERSION`" in Catalog "" Schema "". DataNucleus requires this table to perform its persistence operations. Either your MetaData is incorrect, or you need to enable "datanucleus.autoCreateTables" at org.datanucleus.store.rdbms.table.AbstractTable.exists(AbstractTable.java:485) at org.datanucleus.store.rdbms.RDBMSStoreManager$ClassAdder.performTablesValidation(RDBMSStoreManager.java:3408) at org.datanucleus.store.rdbms.RDBMSStoreManager$ClassAdder.addClassTablesAndValidate(RDBMSStoreManager.java:3218) at org.datanucleus.store.rdbms.RDBMSStoreManager$ClassAdder.run(RDBMSStoreManager.java:2869) at org.datanucleus.store.rdbms.AbstractSchemaTransaction.execute(AbstractSchemaTransaction.java:122) at org.datanucleus.store.rdbms.RDBMSStoreManager.addClasses(RDBMSStoreManager.java:1606) at org.datanucleus.store.AbstractStoreManager.addClass(AbstractStoreManager.java:954) at org.datanucleus.store.rdbms.RDBMSStoreManager.getDatastoreClass(RDBMSStoreManager.java:680) at org.datanucleus.store.rdbms.query.RDBMSQueryUtils.getStatementForCandidates(RDBMSQueryUtils.java:431) at org.datanucleus.store.rdbms.query.JDOQLQuery.compileQueryFull(JDOQLQuery.java:938) at org.datanucleus.store.rdbms.query.JDOQLQuery.compileInternal(JDOQLQuery.java:363) at org.datanucleus.store.query.Query.executeQuery(Query.java:1744) at org.datanucleus.store.query.Query.executeWithArray(Query.java:1672) at org.datanucleus.store.query.Query.execute(Query.java:1654) at org.datanucleus.api.jdo.JDOQuery.execute(JDOQuery.java:221) at org.apache.sentry.provider.db.service.persistent.SentryStore$21.execute(SentryStore.java:1478) at org.apache.sentry.provider.db.service.persistent.SentryStore$21.execute(SentryStore.java:1474) at org.apache.sentry.provider.db.service.persistent.TransactionManager.executeTransaction(TransactionManager.java:111) at org.apache.sentry.provider.db.service.persistent.SentryStore.getMSentryVersion(SentryStore.java:1473) at org.apache.sentry.provider.db.service.persistent.SentryStore.getSentryVersion(SentryStore.java:1444) at org.apache.sentry.provider.db.service.persistent.SentryStore.verifySentryStoreSchema(SentryStore.java:210) at org.apache.sentry.provider.db.service.persistent.SentryStore.<init>(SentryStore.java:197) at org.apache.sentry.provider.db.service.thrift.SentryPolicyStoreProcessor.<init>(SentryPolicyStoreProcessor.java:104) at org.apache.sentry.provider.db.service.thrift.SentryPolicyStoreProcessorFactory.register(SentryPolicyStoreProcessorFactory.java:31) at org.apache.sentry.service.thrift.SentryService.runServer(SentryService.java:201) at org.apache.sentry.service.thrift.SentryService.call(SentryService.java:168) at org.apache.sentry.service.thrift.SentryService.call(SentryService.java:71) at java.util.concurrent.FutureTask.run(FutureTask.java:262) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745) 12:03:48.227 AM ERROR SentryService Error starting server java.lang.IllegalStateException: Could not create org.apache.sentry.provider.db.service.thrift.SentryPolicyStoreProcessorFactory at org.apache.sentry.service.thrift.SentryService.runServer(SentryService.java:207) at org.apache.sentry.service.thrift.SentryService.call(SentryService.java:168) at org.apache.sentry.service.thrift.SentryService.call(SentryService.java:71) at java.util.concurrent.FutureTask.run(FutureTask.java:262) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745) Caused by: org.apache.sentry.provider.db.SentryNoSuchObjectException: No matching version found at org.apache.sentry.provider.db.service.persistent.SentryStore$21.execute(SentryStore.java:1482) at org.apache.sentry.provider.db.service.persistent.SentryStore$21.execute(SentryStore.java:1474) at org.apache.sentry.provider.db.service.persistent.TransactionManager.executeTransaction(TransactionManager.java:111) at org.apache.sentry.provider.db.service.persistent.SentryStore.getMSentryVersion(SentryStore.java:1473) at org.apache.sentry.provider.db.service.persistent.SentryStore.getSentryVersion(SentryStore.java:1444) at org.apache.sentry.provider.db.service.persistent.SentryStore.verifySentryStoreSchema(SentryStore.java:210) at org.apache.sentry.provider.db.service.persistent.SentryStore.<init>(SentryStore.java:197) at org.apache.sentry.provider.db.service.thrift.SentryPolicyStoreProcessor.<init>(SentryPolicyStoreProcessor.java:104) at org.apache.sentry.provider.db.service.thrift.SentryPolicyStoreProcessorFactory.register(SentryPolicyStoreProcessorFactory.java:31) at org.apache.sentry.service.thrift.SentryService.runServer(SentryService.java:201) ... 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