While upgrading Confluence 5.3.1 to 5.4, I'm gettting following error. I'm using Mysql 5.1.71-community version and java 1.7.0_25. Here's the full stack trace of exception:
[TEAM]: ERROR 02 May 2014 17:34:32,093 [main] com.atlassian.confluence.upgrade.UpgradeLauncherServletContextListener "Upgrade failed, application will not start: com.atlassian.confluence.upgrade.UpgradeException: Cannot proceed with upgrade. Cluster upgrade lock acquired but could not successfully tag build number in the CONFVERSION table. This may because you are trying to rerun an upgrade that has failed or there are communication problems between one or more nodes in your cluster. Please zip up your logs and attach onto a support ticket at http://support.atlassian.com."
com.atlassian.confluence.upgrade.UpgradeException: com.atlassian.confluence.upgrade.UpgradeException: Cannot proceed with upgrade. Cluster upgrade lock acquired but could not successfully tag build number in the CONFVERSION table. This may because you are trying to rerun an upgrade that has failed or there are communication problems between one or more nodes in your cluster. Please zip up your logs and attach onto a support ticket at http://support.atlassian.com.
at com.atlassian.confluence.upgrade.AbstractUpgradeManager.runUpgradeTasks(AbstractUpgradeManager.java:222)
at com.atlassian.confluence.upgrade.AbstractUpgradeManager.upgrade(AbstractUpgradeManager.java:159)
at com.atlassian.confluence.upgrade.UpgradeLauncherServletContextListener.contextInitialized(UpgradeLauncherServletContextListener.java:50)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4206)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4705)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:799)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:779)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:601)
at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:943)
at org.apache.catalina.startup.HostConfig.deployWARs(HostConfig.java:778)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:504)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1317)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:324)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:142)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1065)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:840)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1057)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:463)
at org.apache.catalina.core.StandardService.start(StandardService.java:525)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:754)
at org.apache.catalina.startup.Catalina.start(Catalina.java:595)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)
Caused by: com.atlassian.confluence.upgrade.UpgradeException: Cannot proceed with upgrade. Cluster upgrade lock acquired but could not successfully tag build number in the CONFVERSION table. This may because you are trying to rerun an upgrade that has failed or there are communication problems between one or more nodes in your cluster. Please zip up your logs and attach onto a support ticket at http://support.atlassian.com.
at com.atlassian.confluence.upgrade.impl.DefaultUpgradeManager.permitDatabaseUpgrades(DefaultUpgradeManager.java:239)
at com.atlassian.confluence.upgrade.AbstractUpgradeManager.initialUpgradeFinished(AbstractUpgradeManager.java:480)
at com.atlassian.confluence.upgrade.impl.DefaultUpgradeManager.initialUpgradeFinished(DefaultUpgradeManager.java:190)
at com.atlassian.confluence.upgrade.AbstractUpgradeManager.runUpgradeTasks(AbstractUpgradeManager.java:217)
... 26 more