DBCP Connection Leak

org.apache.commons.dbcp.AbandonedTrace$AbandonedObjectException: DBCP object created 2014-08-11 08:49:53 by the following code was never closed:
	at org.apache.commons.dbcp.AbandonedTrace.setStackTrace(AbandonedTrace.java:139)
	at org.apache.commons.dbcp.AbandonedObjectPool.borrowObject(AbandonedObjectPool.java:81)
	at org.apache.commons.dbcp.PoolingDataSource.getConnection(PoolingDataSource.java:106)
	at org.apache.commons.dbcp.BasicDataSource.getConnection(BasicDataSource.java:1044)
	at org.ofbiz.core.entity.transaction.DBCPConnectionFactory$1.call(DBCPConnectionFactory.java:246)
	at org.ofbiz.core.entity.transaction.DBCPConnectionFactory$1.call(DBCPConnectionFactory.java:243)
	at org.ofbiz.core.entity.jdbc.interceptors.connection.ConnectionTracker.trackConnection(ConnectionTracker.java:53)
	at org.ofbiz.core.entity.transaction.DBCPConnectionFactory.trackConnection(DBCPConnectionFactory.java:242)
	at org.ofbiz.core.entity.transaction.DBCPConnectionFactory.getConnection(DBCPConnectionFactory.java:73)
	at org.ofbiz.core.entity.ConnectionFactory.tryGenericConnectionSources(ConnectionFactory.java:69)
	at org.ofbiz.core.entity.transaction.JNDIFactory.getConnection(JNDIFactory.java:146)
	at org.ofbiz.core.entity.TransactionFactory.getConnection(TransactionFactory.java:101)
	at org.ofbiz.core.entity.ConnectionFactory.getConnection(ConnectionFactory.java:59)
	at org.ofbiz.core.entity.TransactionUtil.beginLocalTransaction(TransactionUtil.java:275)
	at com.atlassian.core.ofbiz.util.CoreTransactionUtil.begin(CoreTransactionUtil.java:36)
	at com.atlassian.jira.transaction.TransactionSupportImpl.beginTxn(TransactionSupportImpl.java:75)
	at com.atlassian.jira.transaction.TransactionSupportImpl.startedTransaction(TransactionSupportImpl.java:67)
	at com.atlassian.jira.transaction.TransactionSupportImpl.begin(TransactionSupportImpl.java:50)
	at com.atlassian.jira.transaction.Txn.begin(Txn.java:20)
	at com.atlassian.jira.workflow.OSWorkflowManager.doWorkflowAction(OSWorkflowManager.java:909)
	at com.atlassian.jira.bc.issue.DefaultIssueService.transition(DefaultIssueService.java:450)
	at com.atlassian.jira.web.action.issue.CommentAssignIssue.doExecute(CommentAssignIssue.java:192)
	...