Exception in jira :dbcp.AbandonedTrace$AbandonedObjectException

[Yashaswini Lingaiah]

When we are working on the plugin, even after we have closed all the connection:

these exceptions popup:

org.apache.commons.dbcp.AbandonedTrace$AbandonedObjectException: DBCP object created 2012-12-27 07:23:34 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 com.atlassian.jira.ofbiz.DefaultOfBizConnectionFactory.getConnection(DefaultOfBizConnectionFactory.java:28)

[Renjith Pillai]

How can this be ondemand, could you please label the question correctly?