HTTP Status 500 - com.egoz.hibernate.TransactionException: org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection

type Exception report

message com.egoz.hibernate.TransactionException: org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection

description The server encountered an internal error that prevented it from fulfilling this request.

exception

com.egoz.market.logic.email.NotifyException: com.egoz.hibernate.TransactionException: org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection
	com.egoz.market.logic.email.NotifyAdminLogic.sendDeveloperNotification(NotifyAdminLogic.java:166)
	com.egoz.market.MarketExceptionResolver.logCriticalException(MarketExceptionResolver.java:93)
	com.egoz.market.marketplace.CustomCharacterEncodingFilter.doFilterInternal(CustomCharacterEncodingFilter.java:31)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)

root cause

com.egoz.hibernate.TransactionException: org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection
	com.egoz.hibernate.TransactionManager.getConnection(TransactionManager.java:168)
	com.egoz.market.security.blocked.BlockedEmailLogic.getBlockedEmail(BlockedEmailLogic.java:141)
	com.egoz.market.security.blocked.BlockedEmailLogic.isEmailBlocked(BlockedEmailLogic.java:85)
	com.egoz.market.logic.email.MailEnqueueLogic.removeBlocked(MailEnqueueLogic.java:48)
	com.egoz.market.logic.email.MailEnqueueLogic.cleanFromBlocked(MailEnqueueLogic.java:37)
	com.egoz.market.logic.email.MailEnqueueLogic.enqueueMessage(MailEnqueueLogic.java:22)
	com.egoz.market.logic.email.NotifyLogicUtils.queueMail(NotifyLogicUtils.java:40)
	com.egoz.market.logic.email.NotifyAdminLogic.sendDeveloperNotification(NotifyAdminLogic.java:164)
	com.egoz.market.MarketExceptionResolver.logCriticalException(MarketExceptionResolver.java:93)
	com.egoz.market.marketplace.CustomCharacterEncodingFilter.doFilterInternal(CustomCharacterEncodingFilter.java:31)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)

root cause

org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection
	org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48)
	org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42)
	org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:113)
	org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:99)
	org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:109)
	org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getPhysicalConnection(LogicalConnectionManagedImpl.java:136)
	org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getConnectionForTransactionManagement(LogicalConnectionManagedImpl.java:254)
	org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.begin(LogicalConnectionManagedImpl.java:262)
	org.hibernate.resource.transaction.backend.jdbc.internal.JdbcResourceLocalTransactionCoordinatorImpl$TransactionDriverControlImpl.begin(JdbcResourceLocalTransactionCoordinatorImpl.java:236)
	org.hibernate.engine.transaction.internal.TransactionImpl.begin(TransactionImpl.java:86)
	org.hibernate.internal.AbstractSharedSessionContract.beginTransaction(AbstractSharedSessionContract.java:452)
	com.egoz.hibernate.TransactionManager.getConnection(TransactionManager.java:146)
	com.egoz.market.security.blocked.BlockedEmailLogic.getBlockedEmail(BlockedEmailLogic.java:141)
	com.egoz.market.security.blocked.BlockedEmailLogic.isEmailBlocked(BlockedEmailLogic.java:85)
	com.egoz.market.logic.email.MailEnqueueLogic.removeBlocked(MailEnqueueLogic.java:48)
	com.egoz.market.logic.email.MailEnqueueLogic.cleanFromBlocked(MailEnqueueLogic.java:37)
	com.egoz.market.logic.email.MailEnqueueLogic.enqueueMessage(MailEnqueueLogic.java:22)
	com.egoz.market.logic.email.NotifyLogicUtils.queueMail(NotifyLogicUtils.java:40)
	com.egoz.market.logic.email.NotifyAdminLogic.sendDeveloperNotification(NotifyAdminLogic.java:164)
	com.egoz.market.MarketExceptionResolver.logCriticalException(MarketExceptionResolver.java:93)
	com.egoz.market.marketplace.CustomCharacterEncodingFilter.doFilterInternal(CustomCharacterEncodingFilter.java:31)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)

root cause

java.sql.SQLTransientConnectionException: springHikariCP - Connection is not available, request timed out after 5000ms.
	com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:548)
	com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:186)
	com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:145)
	com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:83)
	org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:122)
	org.hibernate.internal.NonContextualJdbcConnectionAccess.obtainConnection(NonContextualJdbcConnectionAccess.java:35)
	org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:106)
	org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getPhysicalConnection(LogicalConnectionManagedImpl.java:136)
	org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getConnectionForTransactionManagement(LogicalConnectionManagedImpl.java:254)
	org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.begin(LogicalConnectionManagedImpl.java:262)
	org.hibernate.resource.transaction.backend.jdbc.internal.JdbcResourceLocalTransactionCoordinatorImpl$TransactionDriverControlImpl.begin(JdbcResourceLocalTransactionCoordinatorImpl.java:236)
	org.hibernate.engine.transaction.internal.TransactionImpl.begin(TransactionImpl.java:86)
	org.hibernate.internal.AbstractSharedSessionContract.beginTransaction(AbstractSharedSessionContract.java:452)
	com.egoz.hibernate.TransactionManager.getConnection(TransactionManager.java:146)
	com.egoz.market.security.blocked.BlockedEmailLogic.getBlockedEmail(BlockedEmailLogic.java:141)
	com.egoz.market.security.blocked.BlockedEmailLogic.isEmailBlocked(BlockedEmailLogic.java:85)
	com.egoz.market.logic.email.MailEnqueueLogic.removeBlocked(MailEnqueueLogic.java:48)
	com.egoz.market.logic.email.MailEnqueueLogic.cleanFromBlocked(MailEnqueueLogic.java:37)
	com.egoz.market.logic.email.MailEnqueueLogic.enqueueMessage(MailEnqueueLogic.java:22)
	com.egoz.market.logic.email.NotifyLogicUtils.queueMail(NotifyLogicUtils.java:40)
	com.egoz.market.logic.email.NotifyAdminLogic.sendDeveloperNotification(NotifyAdminLogic.java:164)
	com.egoz.market.MarketExceptionResolver.logCriticalException(MarketExceptionResolver.java:93)
	com.egoz.market.marketplace.CustomCharacterEncodingFilter.doFilterInternal(CustomCharacterEncodingFilter.java:31)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)

note The full stack trace of the root cause is available in the Apache Tomcat/7.0.69 logs.

Apache Tomcat/7.0.69