Confluence: Migration from Data Center to Standalone Server does not work
Asked by Stefan Beyer:

After following the instructions located at <https://confluence.atlassian.com/doc/moving-from-data-center-to-server-938042866.html> and starting Confluence again, die Web UI shows Confluence had problems starting up (see attached screenshot).

The following output is logged to catalina.out ... but ... was does it tell me?

```
12-Apr-2018 12:38:41.028 INFO [localhost-startStop-2] org.springframework.context.support.DefaultLifecycleProcessor.start Starting beans in phase 2147483647
12-Apr-2018 12:38:41.044 INFO [localhost-startStop-2] org.springframework.web.servlet.DispatcherServlet.initServletBean FrameworkServlet 'dispatcher': initialization completed in 942 ms
2018-04-12 12:38:42,575 ERROR [localhost-startStop-1] [atlassian.confluence.setup.ConfluenceConfigurationListener] contextInitialized An error was encountered while bootstrapping Confluence (s
ee below):
null
java.lang.NumberFormatException: null
 at java.lang.Integer.parseInt(Integer.java:542)
 at java.lang.Integer.parseInt(Integer.java:615)
 at com.atlassian.confluence.cluster.DefaultClusterConfigurationHelper.getClusterConfig(DefaultClusterConfigurationHelper.java:513)
 at com.atlassian.confluence.cluster.DefaultClusterConfigurationHelper.bootstrapCluster(DefaultClusterConfigurationHelper.java:317)
 at com.atlassian.confluence.setup.DefaultBootstrapManager.afterConfigurationLoaded(DefaultBootstrapManager.java:843)
 at com.atlassian.config.bootstrap.DefaultAtlassianBootstrapManager.init(DefaultAtlassianBootstrapManager.java:75)
 at com.atlassian.confluence.setup.DefaultBootstrapManager.init(DefaultBootstrapManager.java:179)
 at com.atlassian.config.util.BootstrapUtils.init(BootstrapUtils.java:36)
 at com.atlassian.confluence.setup.ConfluenceConfigurationListener.initialiseBootstrapContext(ConfluenceConfigurationListener.java:130)
 at com.atlassian.confluence.setup.ConfluenceConfigurationListener.contextInitialized(ConfluenceConfigurationListener.java:64)
 at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4861)
 at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5322)
 at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
 at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1408)
 at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1398)
 at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 at java.lang.Thread.run(Thread.java:748)
2018-04-12 12:38:42,594 WARN [localhost-startStop-1] [atlassian.confluence.plugin.PluginFrameworkContextListener] contextInitialized Not starting full plugin system due to upgrade or licensing
 errors
2018-04-12 12:38:43,007 INFO [localhost-startStop-1] [com.atlassian.confluence.lifecycle] init Confluence is ready to serve
```

![atl_confluence_Confluence had problems starting up.png](/t5/image/serverpage/image-id/19412i87598BB50787F2B6/image-size/large?v=v2&px=999 "atl_confluence_Confluence had problems starting up.png")


Answers:
author: AnnWorley
body: So that we can take a closer look at your logs, I opened a support request on your behalf. Please stand by for an email from our Service Desk portal.

I look forward to updating this thread with the resolution from the support ticket, unless you beat me to it.

comments: author: AnnWorley
body: Hi [@Stefan Beyer](/t5/user/viewprofilepage/user-id/720860),

I noticed your support ticket was closed after you found steps that worked for you to migrate:
> 1. Enter server license key  
> 2. Restart Confluence, wait for the Web UI to come up again -\> no error!  
> 3. move the data (yes!, the instance is running!)  
> 4. click migrate  
> 5. wait 1-4minutes, done.

I was not clear when I read the steps what you meant by number 3 "move the data". Is that when you move your shared-home to the standalone home directory?

Thanks,

Ann


author: Stefan Beyer
body: Hi Ann,

excatly! *moving the data* includes everything listed under "3. Move items in the cluster shared home back to local home" (in the support document)

Best regards,

Stefan


Tags: data-center