I'm upgrading the Oracle 10.2.0.5 to Oracle 12c, after installing Oracle 12c when I run the dbua it won't list any home or databases. I checked the /var/opt/orcle/oratab file and the database is listed there with correct path and SID, so I checked the dbua logs inside the and this is the output:
[main] [ 2016-05-30 19:23:59.445 AST ] [CompManager.initialize:1068] about to cluster utils
[main] [ 2016-05-30 19:23:59.449 AST ] [CompManager.initialize:1074] is clusterUtils nulloracle.sysman.assistants.util.ClusterUtils@3987f9f1
[main] [ 2016-05-30 19:23:59.452 AST ] [HAUtils.getCurrentOracleHome:593] Oracle home from system property: /oracle/app/oracle/product/12.1.0/dbhome_1
[main] [ 2016-05-30 19:23:59.453 AST ] [HAUtils.getConfiguredGridHome:1343] ----- Getting CRS HOME ----
[main] [ 2016-05-30 19:23:59.453 AST ] [UnixSystem.getCRSHome:2878] olrFileName = /var/opt/oracle/olr.loc
[main] [ 2016-05-30 19:23:59.453 AST ] [HAUtils.getHASHome:1500] Failed to get HAS home.
PRCI-1144 : Failed to retrieve Oracle Grid Infrastructure home path
PRKC-1144 : File "/var/opt/oracle/olr.loc" not found.
[main] [ 2016-05-30 19:23:59.453 AST ] [CompManager.checkIfBigClusterAndHubNode:1183] Not a cluster environment: exiting BigCluster Check
[main] [ 2016-05-30 19:24:00.081 AST ] [OracleHome.getVersion:991] OracleHome.getVersion called. Current Version: null
[main] [ 2016-05-30 19:24:00.084 AST ] [InventoryUtil.getOUIInvSession:349] setting OUI READ level to ACCESSLEVEL_READ_LOCKLESS
[main] [ 2016-05-30 19:24:00.084 AST ] [OracleHome.getVersion:1010] Homeinfo /oracle/app/oracle/product/12.1.0/dbhome_1,2
[main] [ 2016-05-30 19:24:00.212 AST ] [OracleHome.getVersion:1038] OracleHome.server.getVersion Version: 12.1.0.2.0
[main] [ 2016-05-30 19:24:00.212 AST ] [OracleHome.getVersion:1059] Current Version From Inventory: 12.1.0.2.0
[AWT-EventQueue-0] [ 2016-05-30 19:24:05.690 AST ] [CompManager.isModeSet:10278] DB Upgrade Mode Setting := 1
[AWT-EventQueue-0] [ 2016-05-30 19:24:05.691 AST ] [CompManager.isModeSet:10279] Mode := 16 is not set
[AWT-EventQueue-0] [ 2016-05-30 19:24:05.692 AST ] [CompManager.setModes:10293] DB Upgrade Mode Setting := 1
[AWT-EventQueue-0] [ 2016-05-30 19:24:05.779 AST ] [SelectDatabasePage.getData:1093] Loading databases instance found in OraTab/Registry
[AWT-EventQueue-0] [ 2016-05-30 19:24:05.780 AST ] [OsUtilsUnix.enumerateSIDs:389] checking sid: AFXORSDB
[AWT-EventQueue-0] [ 2016-05-30 19:24:05.780 AST ] [SelectDatabasePage.loadData:866] current enumerateSID AFXORSDB
[AWT-EventQueue-0] [ 2016-05-30 19:24:05.788 AST ] [OracleHome.getVersion:991] OracleHome.getVersion called. Current Version: null
[AWT-EventQueue-0] [ 2016-05-30 19:24:05.789 AST ] [InventoryUtil.getOUIInvSession:349] setting OUI READ level to ACCESSLEVEL_READ_LOCKLESS
[AWT-EventQueue-0] [ 2016-05-30 19:24:05.790 AST ] [OracleHome.getVersion:1010] Homeinfo /oracle/app/oracle/product/12.1.0/dbhome_1,2
[AWT-EventQueue-0] [ 2016-05-30 19:24:05.872 AST ] [OracleHome.getVersion:1038] OracleHome.server.getVersion Version: 12.1.0.2.0
[AWT-EventQueue-0] [ 2016-05-30 19:24:05.872 AST ] [OracleHome.getVersion:1059] Current Version From Inventory: 12.1.0.2.0
When I looked at it I found that it did find the oratab file and the SID but for some reason the current version of oracle home is null. as [AWT-EventQueue-0]
[ 2016-05-30 19:24:05.788 AST ] [OracleHome.getVersion:991]
OracleHome.getVersion called. Current Version: null
Anyone please tell me how to resolve it? That's the first time I encountered this error.