XML Backup or Restore Fails due to Could not read fields for Table

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Symptoms

During an xml backup or restore, one may see the following error:

The following errors may occur in the atlassian-jira.log:

An exception occurred backing up: java.lang.RuntimeException: Could not read fields for table AO_563AEE_ACTIVITY_ENTITY

...
2012-06-25 16:29:40,773 JiraImportTaskExecutionThread-1 ERROR user 989x582x1 dm7jj8 137.183.232.24 /secure/admin/XmlRestore.jspa [jira.bc.dataimport.DefaultDataImportService] Error importing data: java.lang.RuntimeException: Could not read fields for table AO_563AEE_ACTIVITY_ENTITY
java.lang.RuntimeException: Could not read fields for table AO_563AEE_ACTIVITY_ENTITY
	at net.java.ao.schema.helper.DatabaseMetaDataReaderImpl.getFields(DatabaseMetaDataReaderImpl.java:151)
	at net.java.ao.schema.ddl.SchemaReader.readFields(SchemaReader.java:125)
	at net.java.ao.schema.ddl.SchemaReader.readTable(SchemaReader.java:108)
...
Caused by: java.sql.SQLException: Invalid object name 'AO_563AEE_ACTIVITY_ENTITY'.
	at net.sourceforge.jtds.jdbc.SQLDiagnostic.addDiagnostic(SQLDiagnostic.java:368)
	at net.sourceforge.jtds.jdbc.TdsCore.tdsErrorToken(TdsCore.java:2820)

 

Cause

The currently only known cause of this error occurs with running JIRA on a MSSQL databases and specifically not setting a schema name.  The database will default this value to dbo, but this is not the same as setting the value to dbo explicitly.  This has also been known to happen during JIRA upgrades or migrations.  

___ Database Configuration ________________

     Loading entityengine.xml from                 : file:/C:/Program%20Files/Atlassian/JIRA/atlassian-jira/WEB-INF/classes/entityengine.xml
     Entity model field type name                  : mssql
     Entity model schema name                      : 
     Database Version                              : Microsoft SQL Server - 10.50.2500
     Database Driver                               : jTDS Type 4 JDBC Driver for MS SQL Server and Sybase - 1.2.4
     Database URL                                  : jdbc:jtds:sqlserver://sqlsvr:1433/jiradb1
     Database JDBC config                          : mssql jdbc:jtds:sqlserver://sqlsvr:1433/jiradb1

 

Resolution

In the database configuration a proper schema name should be set. See Incorrect MS SQL Schema Used for further information.

Last modified on Mar 30, 2016

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