type Exception report
message Cannot open connection
description The server encountered an internal error that prevented it from fulfilling this request.
exception
org.hibernate.exception.GenericJDBCException: Cannot open connection org.hibernate.exception.SQLStateConverter.handledNonSpecificException(SQLStateConverter.java:140) org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:128) org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:66) org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:52) org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:449) org.hibernate.jdbc.ConnectionManager.getConnection(ConnectionManager.java:167) org.hibernate.jdbc.JDBCContext.connection(JDBCContext.java:160) org.hibernate.transaction.JDBCTransaction.begin(JDBCTransaction.java:81) org.hibernate.impl.SessionImpl.beginTransaction(SessionImpl.java:1473) sun.reflect.GeneratedMethodAccessor100.invoke(Unknown Source) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) java.lang.reflect.Method.invoke(Method.java:606) org.hibernate.context.ThreadLocalSessionContext$TransactionProtectionWrapper.invoke(ThreadLocalSessionContext.java:345) com.sun.proxy.$Proxy22.beginTransaction(Unknown Source) de.appsoft.cms.custom.web.filters.CoreFilter.doFilter(CoreFilter.java:43)
root cause
java.sql.SQLException: Connections could not be acquired from the underlying database! com.mchange.v2.sql.SqlUtils.toSQLException(SqlUtils.java:106) com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:641) com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource.getConnection(AbstractPoolBackedDataSource.java:128) org.hibernate.connection.C3P0ConnectionProvider.getConnection(C3P0ConnectionProvider.java:78) org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:446) org.hibernate.jdbc.ConnectionManager.getConnection(ConnectionManager.java:167) org.hibernate.jdbc.JDBCContext.connection(JDBCContext.java:160) org.hibernate.transaction.JDBCTransaction.begin(JDBCTransaction.java:81) org.hibernate.impl.SessionImpl.beginTransaction(SessionImpl.java:1473) sun.reflect.GeneratedMethodAccessor100.invoke(Unknown Source) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) java.lang.reflect.Method.invoke(Method.java:606) org.hibernate.context.ThreadLocalSessionContext$TransactionProtectionWrapper.invoke(ThreadLocalSessionContext.java:345) com.sun.proxy.$Proxy22.beginTransaction(Unknown Source) de.appsoft.cms.custom.web.filters.CoreFilter.doFilter(CoreFilter.java:43)
root cause
com.mchange.v2.resourcepool.CannotAcquireResourceException: A ResourcePool could not acquire a resource from its primary factory or source. com.mchange.v2.resourcepool.BasicResourcePool.awaitAvailable(BasicResourcePool.java:1406) com.mchange.v2.resourcepool.BasicResourcePool.prelimCheckoutResource(BasicResourcePool.java:594) com.mchange.v2.resourcepool.BasicResourcePool.checkoutResource(BasicResourcePool.java:514) com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutAndMarkConnectionInUse(C3P0PooledConnectionPool.java:707) com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:634) com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource.getConnection(AbstractPoolBackedDataSource.java:128) org.hibernate.connection.C3P0ConnectionProvider.getConnection(C3P0ConnectionProvider.java:78) org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:446) org.hibernate.jdbc.ConnectionManager.getConnection(ConnectionManager.java:167) org.hibernate.jdbc.JDBCContext.connection(JDBCContext.java:160) org.hibernate.transaction.JDBCTransaction.begin(JDBCTransaction.java:81) org.hibernate.impl.SessionImpl.beginTransaction(SessionImpl.java:1473) sun.reflect.GeneratedMethodAccessor100.invoke(Unknown Source) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) java.lang.reflect.Method.invoke(Method.java:606) org.hibernate.context.ThreadLocalSessionContext$TransactionProtectionWrapper.invoke(ThreadLocalSessionContext.java:345) com.sun.proxy.$Proxy22.beginTransaction(Unknown Source) de.appsoft.cms.custom.web.filters.CoreFilter.doFilter(CoreFilter.java:43)
note The full stack trace of the root cause is available in the Apache Tomcat/7.0.52 (Ubuntu) logs.