[2014-09-22 07:46:59,893]  ERROR - verSide.impl.BuildServerRunner - java.lang.IllegalStateException: TeamCity data source is not connected. 
java.lang.IllegalStateException: TeamCity data source is not connected.
	at jetbrains.buildServer.serverSide.db.TeamCityDataSource.checkConnected(TeamCityDataSource.java:206)
	at jetbrains.buildServer.serverSide.db.TeamCityDataSource.getConnection(TeamCityDataSource.java:212)
	at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:113)
	at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:79)
	at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:331)
	at jetbrains.buildServer.serverSide.db.DBFacade._runSql(DBFacade.java:429)
	at jetbrains.buildServer.serverSide.db.DBFacade.runSql(DBFacade.java:407)
	at jetbrains.buildServer.serverSide.db.queries.GenericQuery.execute(GenericQuery.java:109)
	at jetbrains.buildServer.a.f.k(f.java:16)
	at jetbrains.buildServer.a.m.isMaxNumberOfAuthorizedAgentsExceeded(m.java:9)
	at jetbrains.buildServer.serverSide.impl.BuildServerImpl.flushQueue(BuildServerImpl.java:452)
	at jetbrains.buildServer.serverSide.impl.BuildServerRunner$2.doSomething(BuildServerRunner.java)
	at jetbrains.buildServer.serverSide.impl.BuildServerRunner$BuildServerWorker.run(BuildServerRunner.java:10)
	at java.lang.Thread.run(Unknown Source)