Prevent failure of the 2511 upgrade task

2011-07-30 11:54:53,085 INFO [1-UpgradeTaskBackgroundThread:pool-7-thread-1] [AbstractUpgradeManager] ---------------------------------------------------------------------------
2011-07-30 11:54:53,085 INFO [1-UpgradeTaskBackgroundThread:pool-7-thread-1] [AbstractUpgradeManager] Running upgrade task 2511 : Upgrade JIRA server configuration to UAL config
2011-07-30 11:54:53,085 INFO [1-UpgradeTaskBackgroundThread:pool-7-thread-1] [AbstractUpgradeManager] ---------------------------------------------------------------------------
2011-07-30 11:54:54,164 ERROR [1-UpgradeTaskBackgroundThread:pool-7-thread-1] [AbstractUpgradeManager] java.lang.IllegalArgumentException: Application with server ID 3c74886c-6074-30a4-a22d-dcc12346ba68 is already configured
java.lang.IllegalArgumentException: Application with server ID 3c74886c-6074-30a4-a22d-dcc12346ba68 is already configured
at com.atlassian.applinks.core.DefaultApplicationLinkService.addApplicationLink(DefaultApplicationLinkService.java:201)
at com.atlassian.applinks.core.DefaultApplicationLinkService.createApplicationLink(DefaultApplicationLinkService.java:638)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at com.atlassian.applinks.host.OsgiServiceProxyFactory$DynamicServiceInvocationHandler.invoke(OsgiServiceProxyFactory.java:111)
at $Proxy32.createApplicationLink(Unknown Source)
at com.atlassian.bamboo.applinks.JiraApplinksServiceImpl.createJiraApplinkWithBasicAuthentication(JiraApplinksServiceImpl.java:77)
at com.atlassian.bamboo.upgrade.tasks.UpgradeTask2511UpgradeJiraServerConfig.doUpgrade(UpgradeTask2511UpgradeJiraServerConfig.java:65)
at com.atlassian.bamboo.upgrade.tasks.AbstractInHibernateTransactionUpgradeTask$1.doInHibernateTransaction(AbstractInHibernateTransactionUpgradeTask.java:40)
at com.atlassian.bamboo.persistence.BambooConnectionTemplate$1$1.doInHibernate(BambooConnectionTemplate.java:51)
at org.springframework.orm.hibernate.HibernateTemplate.execute(HibernateTemplate.java:370)
at com.atlassian.bamboo.persistence.BambooConnectionTemplate$1.doInTransactionWithoutResult(BambooConnectionTemplate.java:44)
at org.springframework.transaction.support.TransactionCallbackWithoutResult.doInTransaction(TransactionCallbackWithoutResult.java:33)
at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:127)
at com.atlassian.bamboo.persistence.BambooConnectionTemplate.execute(BambooConnectionTemplate.java:39)
at com.atlassian.bamboo.upgrade.tasks.AbstractInHibernateTransactionUpgradeTask.doUpgrade(AbstractInHibernateTransactionUpgradeTask.java:36)
at com.atlassian.bamboo.upgrade.AbstractUpgradeManager.runUpgradeTask(AbstractUpgradeManager.java:175)
at com.atlassian.bamboo.upgrade.UpgradeManagerImpl.doUpgrade(UpgradeManagerImpl.java:72)
at com.atlassian.bamboo.upgrade.UpgradeLauncher$1.call(UpgradeLauncher.java:115)
at com.atlassian.bamboo.upgrade.UpgradeLauncher$1.call(UpgradeLauncher.java:112)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at com.atlassian.bamboo.build.pipeline.concurrent.NamedThreadFactory$2.run(NamedThreadFactory.java:50)
at java.lang.Thread.run(Thread.java:662)
2011-07-30 11:54:54,165 INFO [1-UpgradeTaskBackgroundThread:pool-7-thread-1] [AbstractUpgradeManager] Completed upgrade task 2511 with errors.
2011-07-30 11:54:54,166 FATAL [main] [UpgradeLauncher] Upgrade task error: Upgrade task for build 2511 failed with exception: Application with server ID 3c74886c-6074-30a4-a22d-dcc12346ba68 is already configured