Confluemce suddently stopped and not working

Question

It was working perfectly but stopped suddently and we have restarted the confluence and

tomcat server is not getting started and getting the below errors from confluence.

Anyone please check and let us know please.

logs from :- catalina.out

02-Sep-2018 10:26:40.029 SEVERE [13.127.219.255-startStop-1] org.apache.catalina.core.StandardContext.startInternal One or more Filters failed to start. Full details will be
found in the appropriate container log file
02-Sep-2018 10:26:40.033 SEVERE [13.127.219.255-startStop-1] org.apache.catalina.core.StandardContext.startInternal Context [] startup failed due to previous errors
02-Sep-2018 10:28:18.621 WARNING [13.127.219.255-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.

02-Sep-2018 10:28:18.621 WARNING [13.127.219.255-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

Suren Raj · Answer

Hi, @SIju

We have created a ticket for you regarding this issue. Our suppot team will reach out to you soon.

* https://getsupport.atlassian.com/browse/CA-543695

Kind Regard
Suren Raj

SIju · Answer

2018-09-04 06:56:24,925 WARN [C3P0PooledConnectionPoolManager[identityToken->1br9tlm9x19aytv62sjeqf|287b8ce1]-HelperThread-#1] [mchange.v2.resourcepool.BasicResourcePool] log com.mchange.v2.resourcepool.BasicResourcePool$Scattered AcquireTask@7489ed0c -- Acquisition Attempt Failed!!! Clearing pending acquires. While trying to acquire a needed new resource, we failed to succeed more than the maximum number of allowed acquisition attempts (30). Last acquisition attempt exception: org.h2.jdbc.JdbcSQLException: Connection is broken: "java.net.ConnectException: Connection refused (Connection refused): localhost:9092" [90067-176] at org.h2.message.DbException.getJdbcSQLException(DbException.java:344) at org.h2.message.DbException.get(DbException.java:167) at org.h2.engine.SessionRemote.connectServer(SessionRemote.java:434) at org.h2.engine.SessionRemote.connectEmbeddedOrServer(SessionRemote.java:311) at org.h2.jdbc.JdbcConnection.(JdbcConnection.java:107) at org.h2.jdbc.JdbcConnection.(JdbcConnection.java:91) at org.h2.Driver.connect(Driver.java:74) at com.mchange.v2.c3p0.DriverManagerDataSource.getConnection(DriverManagerDataSource.java:175) at com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource. java:220) at com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource. java:206) at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.acquireResource(C 3P0PooledConnectionPool.java:203) at com.mchange.v2.resourcepool.BasicResourcePool.doAcquire(BasicResourcePool.java:1138) at com.mchange.v2.resourcepool.BasicResourcePool.doAcquireAndDecrementPendingAcquiresWithinLockOnSuccess(BaicResourcePool.java:1125) at com.mchange.v2.resourcepool.BasicResourcePool.access$700(BasicResourcePool.java:44) at com.mchange.v2.resourcepool.BasicResourcePool$ScatteredAcquireTask.run(BasicResourcePool.java:1870) at com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:696) Caused by: java.net.ConnectException: Connection refused (Connection refused) at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:589) at org.h2.util.NetUtils.createSocket(NetUtils.java:123) at org.h2.util.NetUtils.createSocket(NetUtils.java:103) at org.h2.engine.SessionRemote.initTransfer(SessionRemote.java:100) at org.h2.engine.SessionRemote.connectServer(SessionRemote.java:430) ... 13 more 2018-09-04 06:56:24,925 WARN [C3P0PooledConnectionPoolManager[identityToken->1br9tlm9x19aytv62sjeqf|287b8ce1]-HelperThread-#1] [mchange.v2.resourcepool.BasicResourcePool] log Having failed to acquire a resource, com.mchange.v2. resourcepool.BasicResourcePool@164394b1 is interrupting all Threads waiting on a resource to check out. Will try again response to new client requests. 2018-09-04 06:56:33,639 WARN [C3P0PooledConnectionPoolManager[identityToken->1br9tlm9x19aytv62sjeqf|287b8ce1]-HelperThread-#1]ge.v2.resourcepool.BasicResourcePool] log com.mchange.v2.resourcepool.BasicResourcePool$Scattered AcquireTask@7164ff85 -- Acquisition Attempt Failed!!! Clearing pending acquires. While trying to acquire a needed n ew resource, we failed to succeed more than the maximum number of allowed acquisition attempts (30). Last acquisiti on attempt exception: org.h2.jdbc.JdbcSQLException: Connection is broken: "java.net.ConnectException: Connection refused (Connection refused): localhost:9092" [90067-176] at org.h2.message.DbException.getJdbcSQLException(DbException.java:344) at org.h2.message.DbException.get(DbException.java:167) at org.h2.engine.SessionRemote.connectServer(SessionRemote.java:434) at org.h2.engine.SessionRemote.connectEmbeddedOrServer(SessionRemote.java:311) at org.h2.jdbc.JdbcConnection.(JdbcConnection.java:107) at org.h2.jdbc.JdbcConnection.(JdbcConnection.java:91) at org.h2.Driver.connect(Driver.java:74) at com.mchange.v2.c3p0.DriverManagerDataSource.getConnection(DriverManagerDataSource.java:175) at com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource. java:220) at com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource. java:206) at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.acquireResource(C 3P0PooledConnectionPool.java:203) at com.mchange.v2.resourcepool.BasicResourcePool.doAcquire(BasicResourcePool.java:1138) at com.mchange.v2.resourcepool.BasicResourcePool.doAcquireAndDecrementPendingAcquiresWithinLockOnSuccess(Ba sicResourcePool.java:1125) at com.mchange.v2.resourcepool.BasicResourcePool.access$700(BasicResourcePool.java:44) at com.mchange.v2.resourcepool.BasicResourcePool$ScatteredAcquireTask.run(BasicResourcePool.java:1870) at com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:696) Caused by: java.net.ConnectException: Connection refused (Connection refused) at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:589) at org.h2.util.NetUtils.createSocket(NetUtils.java:123) at org.h2.util.NetUtils.createSocket(NetUtils.java:103) at org.h2.engine.SessionRemote.initTransfer(SessionRemote.java:100) at org.h2.engine.SessionRemote.connectServer(SessionRemote.java:430)

SIju · Answer

Thanks for tht help. We are getting the below error 2018-09-04 06:56:24,925 WARN [C3P0PooledConnectionPoolManager[identityToken->1br9tlm9x19aytv62sjeqf|287b8ce1]-HelperThread-#1] [mchange.v2.resourcepool.BasicResourcePool] log com.mchange.v2.resourcepool.BasicResourcePool$Scattered AcquireTask@7489ed0c -- Acquisition Attempt Failed!!! Clearing pending acquires. While trying to acquire a needed new resource, we failed to succeed more than the maximum number of allowed acquisition attempts (30). Last acquisition attempt exception: org.h2.jdbc.JdbcSQLException: Connection is broken: "java.net.ConnectException: Connection refused (Connection refused): localhost:9092" [90067-176] at org.h2.message.DbException.getJdbcSQLException(DbException.java:344) at org.h2.message.DbException.get(DbException.java:167) at org.h2.engine.SessionRemote.connectServer(SessionRemote.java:434) at org.h2.engine.SessionRemote.connectEmbeddedOrServer(SessionRemote.java:311) at org.h2.jdbc.JdbcConnection.(JdbcConnection.java:107) at org.h2.jdbc.JdbcConnection.(JdbcConnection.java:91) at org.h2.Driver.connect(Driver.java:74) at com.mchange.v2.c3p0.DriverManagerDataSource.getConnection(DriverManagerDataSource.java:175) at com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource. java:220) at com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource. java:206) at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.acquireResource(C 3P0PooledConnectionPool.java:203) at com.mchange.v2.resourcepool.BasicResourcePool.doAcquire(BasicResourcePool.java:1138) at com.mchange.v2.resourcepool.BasicResourcePool.doAcquireAndDecrementPendingAcquiresWithinLockOnSuccess(BaicResourcePool.java:1125) at com.mchange.v2.resourcepool.BasicResourcePool.access$700(BasicResourcePool.java:44) at com.mchange.v2.resourcepool.BasicResourcePool$ScatteredAcquireTask.run(BasicResourcePool.java:1870) at com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:696) Caused by: java.net.ConnectException: Connection refused (Connection refused) at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:589) at org.h2.util.NetUtils.createSocket(NetUtils.java:123) at org.h2.util.NetUtils.createSocket(NetUtils.java:103) at org.h2.engine.SessionRemote.initTransfer(SessionRemote.java:100) at org.h2.engine.SessionRemote.connectServer(SessionRemote.java:430) ... 13 more 2018-09-04 06:56:24,925 WARN [C3P0PooledConnectionPoolManager[identityToken->1br9tlm9x19aytv62sjeqf|287b8ce1]-HelperThread-#1] [mchange.v2.resourcepool.BasicResourcePool] log Having failed to acquire a resource, com.mchange.v2. resourcepool.BasicResourcePool@164394b1 is interrupting all Threads waiting on a resource to check out. Will try again response to new client requests. 2018-09-04 06:56:33,639 WARN [C3P0PooledConnectionPoolManager[identityToken->1br9tlm9x19aytv62sjeqf|287b8ce1]-HelperThread-#1]ge.v2.resourcepool.BasicResourcePool] log com.mchange.v2.resourcepool.BasicResourcePool$Scattered AcquireTask@7164ff85 -- Acquisition Attempt Failed!!! Clearing pending acquires. While trying to acquire a needed n ew resource, we failed to succeed more than the maximum number of allowed acquisition attempts (30). Last acquisiti on attempt exception: org.h2.jdbc.JdbcSQLException: Connection is broken: "java.net.ConnectException: Connection refused (Connection refused): localhost:9092" [90067-176] at org.h2.message.DbException.getJdbcSQLException(DbException.java:344) at org.h2.message.DbException.get(DbException.java:167) at org.h2.engine.SessionRemote.connectServer(SessionRemote.java:434) at org.h2.engine.SessionRemote.connectEmbeddedOrServer(SessionRemote.java:311) at org.h2.jdbc.JdbcConnection.(JdbcConnection.java:107) at org.h2.jdbc.JdbcConnection.(JdbcConnection.java:91) at org.h2.Driver.connect(Driver.java:74) at com.mchange.v2.c3p0.DriverManagerDataSource.getConnection(DriverManagerDataSource.java:175) at com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource. java:220) at com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource. java:206) at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.acquireResource(C 3P0PooledConnectionPool.java:203) at com.mchange.v2.resourcepool.BasicResourcePool.doAcquire(BasicResourcePool.java:1138) at com.mchange.v2.resourcepool.BasicResourcePool.doAcquireAndDecrementPendingAcquiresWithinLockOnSuccess(Ba sicResourcePool.java:1125) at com.mchange.v2.resourcepool.BasicResourcePool.access$700(BasicResourcePool.java:44) at com.mchange.v2.resourcepool.BasicResourcePool$ScatteredAcquireTask.run(BasicResourcePool.java:1870) at com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:696) Caused by: java.net.ConnectException: Connection refused (Connection refused) at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:589) at org.h2.util.NetUtils.createSocket(NetUtils.java:123) at org.h2.util.NetUtils.createSocket(NetUtils.java:103) at org.h2.engine.SessionRemote.initTransfer(SessionRemote.java:100) at org.h2.engine.SessionRemote.connectServer(SessionRemote.java:430)