2016-10-29 12:37:38,730 INFO [localhost-startStop-1] [UpgradeLauncher] Initialisation completed.
2016-10-29 12:37:38,737 INFO [localhost-startStop-1] [UpgradeLauncher] Current data is at build number: 51408. Upgrade required. Firing upgrade manager...
2016-10-29 12:37:38,758 INFO [15-UpgradeTaskBackgroundThread:pool-30-thread-1] [UpgradeManagerImpl] Found 0 high priority upgrade tasks
2016-10-29 12:37:38,758 INFO [15-UpgradeTaskBackgroundThread:pool-30-thread-1] [UpgradeManagerImpl] Found 1 upgrade tasks
2016-10-29 12:37:38,758 INFO [15-UpgradeTaskBackgroundThread:pool-30-thread-1] [AbstractUpgradeManager] -----------------------------------------------------
2016-10-29 12:37:38,758 INFO [15-UpgradeTaskBackgroundThread:pool-30-thread-1] [AbstractUpgradeManager] 51410 : Fix Stash ssh keys in branches where possible
2016-10-29 12:37:38,758 INFO [15-UpgradeTaskBackgroundThread:pool-30-thread-1] [AbstractUpgradeManager] -----------------------------------------------------
2016-10-29 12:37:38,825 INFO [15-UpgradeTaskBackgroundThread:pool-30-thread-1] [UpgradeTask51410FixStashSshKeys] Resetting ssh key in repository 28573702, branch develop
2016-10-29 12:37:38,885 INFO [15-UpgradeTaskBackgroundThread:pool-30-thread-1] [UpgradeTask51410FixStashSshKeys] Resetting ssh key in repository 49250384, branch develop
2016-10-29 12:37:38,906 ERROR [15-UpgradeTaskBackgroundThread:pool-30-thread-1] [AbstractUpgradeManager] java.lang.NullPointerException
java.lang.NullPointerException
	at com.atlassian.bamboo.upgrade.tasks.v5_14.UpgradeTask51410FixStashSshKeys.fixSingleRepository(UpgradeTask51410FixStashSshKeys.java:111)
	at com.atlassian.bamboo.upgrade.tasks.v5_14.UpgradeTask51410FixStashSshKeys.fixSshKeys(UpgradeTask51410FixStashSshKeys.java:72)
	at com.atlassian.bamboo.upgrade.tasks.v5_14.UpgradeTask51410FixStashSshKeys.lambda$fixSshKeys$1(UpgradeTask51410FixStashSshKeys.java:83)
	at org.hibernate.jdbc.WorkExecutor.executeWork(WorkExecutor.java:54)
	at org.hibernate.internal.SessionImpl$2.accept(SessionImpl.java:2076)
	at org.hibernate.internal.SessionImpl$2.accept(SessionImpl.java:2073)
	at org.hibernate.engine.jdbc.internal.JdbcCoordinatorImpl.coordinateWork(JdbcCoordinatorImpl.java:313)
	at org.hibernate.internal.SessionImpl.doWork(SessionImpl.java:2095)
	at org.hibernate.internal.SessionImpl.doWork(SessionImpl.java:2080)
	at com.atlassian.bamboo.persistence.BambooTransactionHibernateTemplate$2.doInHibernate(BambooTransactionHibernateTemplate.java:66)
	at org.springframework.orm.hibernate4.HibernateTemplate.doExecute(HibernateTemplate.java:341)
	at org.springframework.orm.hibernate4.HibernateTemplate.executeWithNativeSession(HibernateTemplate.java:309)
	at com.atlassian.bamboo.persistence.BambooTransactionHibernateTemplate$1.doInTransaction(BambooTransactionHibernateTemplate.java:52)
	at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:133)
	at com.atlassian.bamboo.persistence.BambooTransactionHibernateTemplate.execute(BambooTransactionHibernateTemplate.java:41)
	at com.atlassian.bamboo.persistence.BambooTransactionHibernateTemplate.execute(BambooTransactionHibernateTemplate.java:47)
	at com.atlassian.bamboo.persistence.BambooTransactionHibernateTemplate.doWork(BambooTransactionHibernateTemplate.java:60)
	at com.atlassian.bamboo.upgrade.tasks.v5_14.UpgradeTask51410FixStashSshKeys.fixSshKeys(UpgradeTask51410FixStashSshKeys.java:80)
	at com.atlassian.bamboo.upgrade.tasks.v5_14.UpgradeTask51410FixStashSshKeys.lambda$doUpgrade$0(UpgradeTask51410FixStashSshKeys.java:54)
	at org.hibernate.jdbc.WorkExecutor.executeWork(WorkExecutor.java:54)
	at org.hibernate.internal.SessionImpl$2.accept(SessionImpl.java:2076)
	at org.hibernate.internal.SessionImpl$2.accept(SessionImpl.java:2073)
	at org.hibernate.engine.jdbc.internal.JdbcCoordinatorImpl.coordinateWork(JdbcCoordinatorImpl.java:313)
	at org.hibernate.internal.SessionImpl.doWork(SessionImpl.java:2095)
	at org.hibernate.internal.SessionImpl.doWork(SessionImpl.java:2080)
	at com.atlassian.bamboo.persistence.BambooTransactionHibernateTemplate$2.doInHibernate(BambooTransactionHibernateTemplate.java:66)
	at org.springframework.orm.hibernate4.HibernateTemplate.doExecute(HibernateTemplate.java:341)
	at org.springframework.orm.hibernate4.HibernateTemplate.executeWithNativeSession(HibernateTemplate.java:309)
	at com.atlassian.bamboo.persistence.BambooTransactionHibernateTemplate$1.doInTransaction(BambooTransactionHibernateTemplate.java:52)
	at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:133)
	at com.atlassian.bamboo.persistence.BambooTransactionHibernateTemplate.execute(BambooTransactionHibernateTemplate.java:41)
	at com.atlassian.bamboo.persistence.BambooTransactionHibernateTemplate.execute(BambooTransactionHibernateTemplate.java:47)
	at com.atlassian.bamboo.persistence.BambooTransactionHibernateTemplate.doWork(BambooTransactionHibernateTemplate.java:60)
	at com.atlassian.bamboo.upgrade.tasks.v5_14.UpgradeTask51410FixStashSshKeys.doUpgrade(UpgradeTask51410FixStashSshKeys.java:51)
	at com.atlassian.bamboo.upgrade.AbstractUpgradeManager.runUpgradeTask(AbstractUpgradeManager.java:206)
	at com.atlassian.bamboo.upgrade.UpgradeManagerImpl.doUpgrade(UpgradeManagerImpl.java:114)
	at com.atlassian.bamboo.upgrade.UpgradeLauncher$1.call(UpgradeLauncher.java:117)
	at com.atlassian.bamboo.upgrade.UpgradeLauncher$1.call(UpgradeLauncher.java:113)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at com.atlassian.bamboo.utils.BambooRunnables$1.run(BambooRunnables.java:51)
	at com.atlassian.bamboo.security.ImpersonationHelper.runWith(ImpersonationHelper.java:31)
	at com.atlassian.bamboo.security.ImpersonationHelper.runWithSystemAuthority(ImpersonationHelper.java:20)
	at com.atlassian.bamboo.security.ImpersonationHelper$1.run(ImpersonationHelper.java:52)
	at java.lang.Thread.run(Thread.java:745)
2016-10-29 12:37:38,907 INFO [15-UpgradeTaskBackgroundThread:pool-30-thread-1] [AbstractUpgradeManager] Completed task 51410 successfully.
2016-10-29 12:37:38,908 FATAL [localhost-startStop-1] [UpgradeLauncher] Upgrade task error: Task for build 51410 failed with exception: null
2016-10-29 12:37:38,922 INFO [localhost-startStop-1] [CompressingFilter] CompressingFilter has initialized
2016-10-29 12:37:39,284 INFO [localhost-startStop-1] [SpringObjectFactory] Setting autowire strategy to name
2016-10-29 12:37:39,284 INFO [localhost-startStop-1] [StrutsSpringObjectFactory] Struts-Spring integration initialised successfully
2016-10-29 12:37:39,948 INFO [localhost-startStop-1] [Dispatchers] Dispatcher org.apache.struts2.dispatcher.Dispatcher initialised
2016-10-29 12:37:40,002 INFO [localhost-startStop-1] [SpringObjectFactory] Setting autowire strategy to name
2016-10-29 12:37:40,002 INFO [localhost-startStop-1] [StrutsSpringObjectFactory] Struts-Spring integration initialised successfully
2016-10-29 12:37:40,892 INFO [localhost-startStop-1] [AccessLogFilter] AccessLogFilter initialized. Format is: <user> <url> <starting memory free (kb)> +- <difference in free mem (kb)> <query time (ms)>
2016-10-29 12:37:40,953 INFO [localhost-startStop-1] [SpringObjectFactory] Setting autowire strategy to name
2016-10-29 12:37:40,953 INFO [localhost-startStop-1] [StrutsSpringObjectFactory] Struts-Spring integration initialised successfully
2016-10-29 12:37:41,158 INFO [localhost-startStop-1] [Dispatchers] Dispatcher org.apache.struts2.dispatcher.Dispatcher initialised
2016-10-29 12:37:41,202 INFO [localhost-startStop-1] [SpringObjectFactory] Setting autowire strategy to name
2016-10-29 12:37:41,202 INFO [localhost-startStop-1] [StrutsSpringObjectFactory] Struts-Spring integration initialised successfully
2016-10-29 12:37:41,564 INFO [http-nio-8085-exec-2] [JohnsonFilter] The application is still starting up, or there are errors.  Redirecting request from