running ambari-server upgrade has the following errors # ambari-server upgrade Using python /usr/bin/python Upgrading ambari-server Updating properties in ambari.properties ... WARNING: Can not find ambari.properties.rpmsave file from previous version, skipping import of settings INFO: Can not find ambari-env.sh.rpmsave file from previous version, skipping restore of environment settings. ambari-env.sh may not include any user customization. Fixing database objects owner Ambari Server configured for Postgres. Confirm you have made a backup of the Ambari Server database [y/n] (y)? y Upgrading database schema Error output from schema upgrade command: Exception in thread "main" java.lang.Exception: Unexpected error, upgrade failed at org.apache.ambari.server.upgrade.SchemaUpgradeHelper.main(SchemaUpgradeHelper.java:370) Caused by: java.lang.RuntimeException: Unable to read database version at org.apache.ambari.server.upgrade.SchemaUpgradeHelper.readSourceVersion(SchemaUpgradeHelper.java:93) at org.apache.ambari.server.upgrade.SchemaUpgradeHelper.main(SchemaUpgradeHelper.java:341) Caused by: org.postgresql.util.PSQLException: ERROR: relation "metainfo" does not exist Position: 30 at org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:2161) at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:1890) at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:255) at org.postgresql.jdbc2.AbstractJdbc2Statement.execute(AbstractJdbc2Statement.java:559) at org.postgresql.jdbc2.AbstractJdbc2Statement.executeWithFlags(AbstractJdbc2Statement.java:403) at org.postgresql.jdbc2.AbstractJdbc2Statement.executeQuery(AbstractJdbc2Statement.java:283) at org.apache.ambari.server.upgrade.SchemaUpgradeHelper.readSourceVersion(SchemaUpgradeHelper.java:86) ... 1 more 8 Sep 2016 15:16:09,033 INFO [main] HostRoleCommandDAO:258 - Host role command status summary cache enabled ! 28 Sep 2016 15:16:09,036 INFO [main] TransactionalLock$LockArea:121 - LockArea HRC_STATUS_CACHE is enabled 28 Sep 2016 15:16:09,339 INFO [main] SchemaUpgradeHelper:333 - Upgrading schema to target version = 2.4.1.0 28 Sep 2016 15:16:09,361 ERROR [main] SchemaUpgradeHelper:369 - Unexpected error, upgrade failed java.lang.RuntimeException: Unable to read database version at org.apache.ambari.server.upgrade.SchemaUpgradeHelper.readSourceVersion(SchemaUpgradeHelper.java:93) at org.apache.ambari.server.upgrade.SchemaUpgradeHelper.main(SchemaUpgradeHelper.java:341) Caused by: org.postgresql.util.PSQLException: ERROR: relation "metainfo" does not exist Position: 30 at org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:2161) at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:1890) at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:255) at org.postgresql.jdbc2.AbstractJdbc2Statement.execute(AbstractJdbc2Statement.java:559) at org.postgresql.jdbc2.AbstractJdbc2Statement.executeWithFlags(AbstractJdbc2Statement.java:403) at org.postgresql.jdbc2.AbstractJdbc2Statement.executeQuery(AbstractJdbc2Statement.java:283) at org.apache.ambari.server.upgrade.SchemaUpgradeHelper.readSourceVersion(SchemaUpgradeHelper.java:86) ... 1 more ... View more