System error occured after server lag

The following system error occured after a lag of around 5 minutes while loading our Confluence home page:

Cause:
org.springframework.transaction.CannotCreateTransactionException: Could not create Hibernate transaction; nested exception is net.sf.hibernate.exception.GenericJDBCException: Cannot open connection
at org.springframework.orm.hibernate.HibernateTransactionManager.doBegin(HibernateTransactionManager.java:427)
caused by: net.sf.hibernate.exception.GenericJDBCException: Cannot open connection
at net.sf.hibernate.exception.ErrorCodeConverter.handledNonSpecificException(ErrorCodeConverter.java:90)
caused by: java.sql.SQLException: An SQLException was provoked by the following failure: com.mchange.v2.resourcepool.ResourcePoolException: A ResourcePool could not acquire a resource from its primary factory or source.
at com.mchange.v2.sql.SqlUtils.toSQLException(SqlUtils.java:68)
caused by: com.mchange.v2.resourcepool.ResourcePoolException: A ResourcePool could not acquire a resource from its primary factory or source.
at com.mchange.v2.resourcepool.BasicResourcePool.awaitAcquire(BasicResourcePool.java:870)

Stack Trace: [hide]

org.springframework.transaction.CannotCreateTransactionException: Could not create Hibernate transaction; nested exception is net.sf.hibernate.exception.GenericJDBCException: Cannot open connection
net.sf.hibernate.exception.GenericJDBCException: Cannot open connection
at net.sf.hibernate.exception.ErrorCodeConverter.handledNonSpecificException(ErrorCodeConverter.java:90)
at net.sf.hibernate.exception.ErrorCodeConverter.convert(ErrorCodeConverter.java:79)
at net.sf.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:29)
at net.sf.hibernate.impl.BatcherImpl.convert(BatcherImpl.java:328)
at net.sf.hibernate.impl.BatcherImpl.openConnection(BatcherImpl.java:295)
at net.sf.hibernate.impl.SessionImpl.connect(SessionImpl.java:3373)
at net.sf.hibernate.impl.SessionImpl.connection(SessionImpl.java:3333)
at org.springframework.orm.hibernate.HibernateTransactionManager.doBegin(HibernateTransactionManager.java:379)
at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:269)
at org.springframework.transaction.interceptor.TransactionAspectSupport.createTransactionIfNecessary(TransactionAspectSupport.java:201)
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:49)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:138)
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:152)
at $Proxy61.getUser(Unknown Source)
at com.atlassian.confluence.util.UserThreadLocalFilter.getUserFromRequest(UserThreadLocalFilter.java:60)
at com.atlassian.confluence.util.UserThreadLocalFilter.doFilter(UserThreadLocalFilter.java:36)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:186)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
at com.atlassian.seraph.filter.SecurityFilter.doFilter(SecurityFilter.java:182)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:186)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
at com.atlassian.seraph.filter.LoginFilter.doFilter(LoginFilter.java:181)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:186)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
at com.atlassian.johnson.filters.JohnsonFilter.doFilter(JohnsonFilter.java:96)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:186)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
at org.springframework.orm.hibernate.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:170)
at bucket.custom.FlushingSpringSessionInViewFilter.doFilterInternal(FlushingSpringSessionInViewFilter.java:31)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:73)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:186)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
at com.atlassian.util.profiling.filters.ProfilingFilter.doFilter(ProfilingFilter.java:122)
at com.atlassian.confluence.util.error.ProfilingAndErrorFilter.doFilter(ProfilingAndErrorFilter.java:27)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:186)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
at com.atlassian.core.filters.gzip.GzipFilter.doFilter(GzipFilter.java:61)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:186)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
at com.atlassian.core.filters.AbstractEncodingFilter.doFilter(AbstractEncodingFilter.java:37)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:186)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:198)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:152)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)
at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:300)
at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:374)
at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:743)
at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:675)
at org.apache.jk.common.SocketConnection.runIt(ChannelSocket.java:866)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683)
at java.lang.Thread.run(Thread.java:595)
Caused by: java.sql.SQLException: An SQLException was provoked by the following failure: com.mchange.v2.resourcepool.ResourcePoolException: A ResourcePool could not acquire a resource from its primary factory or source.
at com.mchange.v2.sql.SqlUtils.toSQLException(SqlUtils.java:68)
at com.mchange.v2.sql.SqlUtils.toSQLException(SqlUtils.java:57)
at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:213)
at com.mchange.v2.c3p0.PoolBackedDataSource.getConnection(PoolBackedDataSource.java:64)
at net.sf.hibernate.connection.C3P0ConnectionProvider.getConnection(C3P0ConnectionProvider.java:33)
at net.sf.hibernate.impl.BatcherImpl.openConnection(BatcherImpl.java:292)
... 61 more
Caused by: com.mchange.v2.resourcepool.ResourcePoolException: A ResourcePool could not acquire a resource from its primary factory or source.
at com.mchange.v2.resourcepool.BasicResourcePool.awaitAcquire(BasicResourcePool.java:870)
at com.mchange.v2.resourcepool.BasicResourcePool.checkoutResource(BasicResourcePool.java:201)
at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:209)
... 64 more

Referer URL: http://www.brockmann-consult.de/wiki/display/DEV/Technical+Documentation

Build Information:
Confluence Home: /local/bccruise/bc-confluence
Uptime: 2 days, 16 hours, 27 minutes
Version: 2.2.9
Build Number: 527

Server Information:
Application Server: Apache Tomcat/5.0.28
Servlet Version: 2.4
Database Dialect: net.sf.hibernate.dialect.Oracle9Dialect
Database Driver Name: oracle.jdbc.OracleDriver
Database Driver Version: 10.2

Memory Information:
Total Memory: 254 MB
Free Memory: 62 MB
Used Memory: 192 MB

System Information:
System Date: Monday, 07 May 2007
System Time: 07:24:57
System Favourite Colour: Taupe
Java Version: 1.5.0_11
Java Vendor: Sun Microsystems Inc.
JVM Version: 1.0
JVM Vendor: Sun Microsystems Inc.
JVM Implementation Version: 1.5.0_11-b03
Java Runtime: Java(TM) 2 Runtime Environment, Standard Edition
Java VM: Java HotSpot(TM) Client VM
User Name: tomcat
User Timezone: GMT
Operating System: Linux 2.6.13-15.13-default
OS Architecture: i386
Filesystem Encoding: ANSI_X3.4-1968

Enabled Plugins:
Page Tabs (confluence.sections.page, Version: 1.0)
Basic Macros (confluence.macros.basic, Version: 1.3)
Core Listeners (confluence.listeners.core, Version: 1.3)
Dashboard Macros (confluence.macros.dashboard, Version: 1.3)
User Listener (confluence.extra.userlister, Version: 1.2)
Chart Plugin (confluence.extra.chart, Version: 1.5)
Live Search Macros (confluence.extra.livesearch, Version: 1.4)
Information Macros (confluence.extra.information, Version: 0.1)
Global Labels Sections (confluence.sections.labels, Version: 1.0)
JIRA Macros (confluence.extra.jira, Version: 1.4)
Layout Macros (confluence.extra.layout, Version: 0.1)
Profile Tabs (confluence.sections.profile, Version: 1.0)
Confluence Remote API (confluence.extra.confluencerpc, Version: 1.4)
Admin Sections (confluence.sections.admin, Version: 1.0)
Tabular Metadata (confluence.extra.masterdetail, Version: 1.0)
Space Admin Sections (confluence.sections.space.admin, Version: 1.0)
Space Pages Sections (confluence.sections.space.pages, Version: 1.0)
Advanced Macros (confluence.macros.advanced, Version: 1.3)
Space Advanced Sections (confluence.sections.space.advanced, Version: 1.0)
News Tabs (confluence.sections.news, Version: 1.0)
IM Presence Macros (confluence.extra.impresence, Version: 0.1)
Attachments Macros (confluence.extra.attachments, Version: 1.3)
Edit Profile Sections (confluence.sections.profile.edit, Version: 1.0)
Space Actions Sections (confluence.sections.space.actions, Version: 1.0)
Task List Macros (confluence.extra.tasklist, Version: 1.3)
Space Labels Sections (confluence.sections.space.labels, Version: 1.0)
Attachment Extractors (confluence.extractors.attachments, Version: 1.4)
Left Navigation Theme (com.atlassian.confluence.themes.leftnavigation, Version: 1.0)
Dynamic Task List Macros (confluence.extra.dynamictasklist, Version: 1.3)
Core Extractors (confluence.extractors.core, Version: 1.4)
Compatibility Macros (confluence.macros.compatibility, Version: 1.3)
Code Macro (confluence.macros.code, Version: 1.4)
Space Item Tabs (confluence.sections.space, Version: 1.0)
Request

Information:
URL: http://www.brockmann-consult.de/wiki/display/~norman/Home

• Scheme: http
• Server: www.brockmann-consult.de
• Port: 80
• URI: /wiki/500page.jsp
• - Context Path: /wiki
• - Servlet Path: /500page.jsp
• - Path Info: null
• - Query String: null

Attributes:

• javax.servlet.forward.request_uri : /wiki/display/~norman/Home
• javax.servlet.forward.context_path : /wiki
• javax.servlet.forward.servlet_path : /display
• javax.servlet.forward.path_info : /500page.jsp
• javax.servlet.error.message :
• javax.servlet.error.exception : org.springframework.transaction.CannotCreateTransactionException: Could not create Hibernate transaction; nested exception is net.sf.hibernate.exception.GenericJDBCException: Cannot open connection
• os_securityfilter_already_filtered : true
• com.atlassian.johnson.filters.JohnsonFilter_already_filtered : true
• javax.servlet.error.request_uri : /wiki/display/~norman/Home
• javax.servlet.error.status_code : 500
• javax.servlet.error.servlet_name : simple-display
• atlassian.core.seraph.original.url : /display/~norman/Home
• loginfilter.already.filtered : true
• sessioninview.FILTERED : true
• com.atlassian.core.filters.gzip.GzipFilter_already_filtered : true

Parameters:
Confluence User:

• anonymous

Logging:
0 log statements generated by this request.