Confluence tomcat 404

[Bell Black]

SEVERE: Error filterStart
Sep 18, 2018 6:24:16 PM org.apache.catalina.core.StandardContext start
SEVERE: Context [] startup failed due to previous errors
Sep 18, 2018 6:24:16 PM org.apache.catalina.loader.WebappClassLoader clearReferencesJdbc
SEVERE: The web application [] 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.
Sep 18, 2018 6:24:16 PM org.apache.catalina.loader.WebappClassLoader clearReferencesJdbc
SEVERE: The web application [] registered the JDBC driver [org.postgresql.Driver] but failed to unregister it when the web application was stopped. To prevent a memory leak, the JDBC Driver has been forcibly unregistered.
Sep 18, 2018 6:24:16 PM org.apache.catalina.loader.WebappClassLoader clearReferencesJdbc
SEVERE: The web application [] registered the JDBC driver [org.hsqldb.jdbc.JDBCDriver] but failed to unregister it when the web application was stopped. To prevent a memory leak, the JDBC Driver has been forcibly unregistered.
Sep 18, 2018 6:24:16 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [HSQLDB Timer @4a6c971] but has failed to stop it. This is very likely to create a memory leak.
Sep 18, 2018 6:24:16 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [Timer-3] but has failed to stop it. This is very likely to create a memory leak.
Sep 18, 2018 6:24:16 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#0] but has failed to stop it. This is very likely to create a memory leak.
Sep 18, 2018 6:24:16 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#1] but has failed to stop it. This is very likely to create a memory leak.
Sep 18, 2018 6:24:16 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#2] but has failed to stop it. This is very likely to create a memory leak.
Sep 18, 2018 6:24:16 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [__DEFAULT__] but has failed to stop it. This is very likely to create a memory leak.
Sep 18, 2018 6:24:16 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [Statistics Thread] but has failed to stop it. This is very likely to create a memory leak.
Sep 18, 2018 6:24:16 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [Statistics Thread] but has failed to stop it. This is very likely to create a memory leak.
Sep 18, 2018 6:24:16 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [Statistics Thread] but has failed to stop it. This is very likely to create a memory leak.
Sep 18, 2018 6:24:16 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [Statistics Thread] but has failed to stop it. This is very likely to create a memory leak.
log4j:ERROR LogMananger.repositorySelector was null likely due to error in class reloading, using NOPLoggerRepository.
Sep 18, 2018 6:24:17 PM org.apache.coyote.http11.Http11Protocol start
INFO: Starting Coyote HTTP/1.1 on http-8090
Sep 18, 2018 6:24:17 PM org.apache.catalina.startup.Catalina start
INFO: Server startup in 13396 ms
Exception in thread "HSQLDB Timer @4a6c971" java.lang.NullPointerException
at org.hsqldb.lib.HsqlTimer.nextTask(Unknown Source)
at org.hsqldb.lib.HsqlTimer$TaskRunner.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Exception in thread "Timer-3" java.lang.NullPointerException
at com.mchange.v2.log.log4j.Log4jMLog$Log4jMLogger.isLoggable(Log4jMLog.java:257)
at com.mchange.v2.resourcepool.BasicResourcePool$CullTask.run(BasicResourcePool.java:1934)
at java.util.TimerThread.mainLoop(Unknown Source)
at java.util.TimerThread.run(Unknown Source)

[Nic Brough -Adaptavist-]

Posting a chunk of log without any context is pretty much useless as a question.

If you need help with something, you need to explain what the problem is.

(Best I can do with this error is "your database is broken, you'll want to rebuild this test system from a copy of production)