C:>java -jar liquibase-core-2.0.5.jar --driver=oracle.jdbc.OracleDriver
--classpath=ojdbc6-11.2.0.3.0.jar --changeLogFile=changelog.xml
--url="jdbc:oracle:thin:@myDatabase"
--username=myUsername --password=myPassword --logLevel=debug update

DEBUG 9/30/13 3:09 PM:liquibase: Unable to load/access Apache Derby driver class
to check version
DEBUG 9/30/13 3:09 PM:liquibase: Connected to myUsername@jdbc:oracle:thin:@myDatabase
DEBUG 9/30/13 3:10 PM:liquibase: Executing QUERY database command: SELECT LOCKED
FROM DATABASECHANGELOGLOCK WHERE ID=1 FOR UPDATE
Liquibase Update Failed: Empty result set, expected one row
SEVERE 9/30/13 3:10 PM:liquibase: Empty result set, expected one row
liquibase.exception.LockException: liquibase.exception.DatabaseException: Empty
result set, expected one row
    at liquibase.lockservice.LockService.acquireLock(LockService.java:121)
    at liquibase.lockservice.LockService.waitForLock(LockService.java:61)
    at liquibase.Liquibase.update(Liquibase.java:102)
    at liquibase.integration.commandline.Main.doMigration(Main.java:825)
    at liquibase.integration.commandline.Main.main(Main.java:134)
Caused by: liquibase.exception.DatabaseException: Empty result set, expected one
row
    at liquibase.util.JdbcUtils.requiredSingleResult(JdbcUtils.java:124)
    at liquibase.executor.jvm.JdbcExecutor.queryForObject(JdbcExecutor.java:
159)
    at liquibase.executor.jvm.JdbcExecutor.queryForObject(JdbcExecutor.java:
167)
    at liquibase.executor.jvm.JdbcExecutor.queryForObject(JdbcExecutor.java:
163)
    at liquibase.lockservice.LockService.acquireLock(LockService.java:96)
    ... 4 more

Caused by: liquibase.exception.DatabaseException: Expected single row from
liquibase.statement.core.GetViewDefinitionStatement@1de5f25 but got 0`