Confluence tomcat 404
Asked by 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)


Answers:
author: Nic Brough -Adaptavist-
body: 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)