Getting 404 on all page

[Association Proxgroup]

Hi,

We're getting 404 error on all page of our confluence instance, including admin path.

catalina.out :

root@scw-6f580c:~# tail -f /opt/atlassian/confluence/logs/catalina.out
15-Mar-2018 17:43:53.548 WARNING [localhost-startStop-1] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesJdbc The web application [ROOT] registered the JDBC driver [com.github.gquintana.metrics.sql.Driver] but failed to unregister it when the web application was stopped. To prevent a memory leak, the JDBC Driver has been forcibly unregistered.
15-Mar-2018 17:43:53.548 WARNING [localhost-startStop-1] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesJdbc The web application [ROOT] registered the JDBC driver [net.sourceforge.jtds.jdbc.Driver] but failed to unregister it when the web application was stopped. To prevent a memory leak, the JDBC Driver has been forcibly unregistered.
15-Mar-2018 17:43:53.549 WARNING [localhost-startStop-1] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesJdbc The web application [ROOT] registered the JDBC driver [com.mysql.fabric.jdbc.FabricMySQLDriver] but failed to unregister it when the web application was stopped. To prevent a memory leak, the JDBC Driver has been forcibly unregistered.
15-Mar-2018 17:43:53.549 WARNING [localhost-startStop-1] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesJdbc The web application [ROOT] registered the JDBC driver [com.mysql.jdbc.Driver] but failed to unregister it when the web application was stopped. To prevent a memory leak, the JDBC Driver has been forcibly unregistered.
15-Mar-2018 17:43:53.551 WARNING [localhost-startStop-1] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [ROOT] appears to have started a thread named [Abandoned connection cleanup thread] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
java.lang.Object.wait(Native Method)
java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:143)
com.mysql.jdbc.AbandonedConnectionCleanupThread.run(AbandonedConnectionCleanupThread.java:43)
15-Mar-2018 17:43:53.636 INFO [main] org.apache.coyote.AbstractProtocol.start Starting ProtocolHandler ["http-nio-8090"]
15-Mar-2018 17:43:53.685 INFO [main] org.apache.catalina.startup.Catalina.start Server startup in 63056 ms

atlassian-confluence.log :

root@scw-6f580c:~# tail -f /var/atlassian/application-data/confluence/logs/atlassian-confluence.log
at org.apache.catalina.core.StandardContext.stopInternal(StandardContext.java:5536)
at org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:221)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:149)
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)
2018-03-15 17:43:53,439 INFO [localhost-startStop-1] [com.atlassian.confluence.lifecycle] info Stopping Confluence

[AnnWorley]

Hi - Please check the email address used for the Association Proxgroup account for a notification from our support portal. The support ticket will allow us to examine your complete logs.

Thanks,

Ann