Can someone help me with this exception in Java,Springs,Hibernate.

Caused by: java.sql.SQLException: An SQLException was provoked by the following failure:

java.lang.InterruptedException
        at com.mchange.v2.sql.SqlUtils.toSQLException(SqlUtils.java:106) ~[c3p0-0.9.1.1.jar:0.9.1.1]
        at com.mchange.v2.sql.SqlUtils.toSQLException(SqlUtils.java:65) ~[c3p0-0.9.1.1.jar:0.9.1.1]
        at com.mchange.v2.sql.SqlUtils.toSQLException(SqlUtils.java:62) ~[c3p0-0.9.1.1.jar:0.9.1.1]
        at com.mchange.v2.c3p0.stmt.GooGooStatementCache.acquireStatement(GooGooStatementCache.java:562) ~[c3p0-0.9.1.1.jar:0.9.1.1]
        at com.mchange.v2.c3p0.stmt.GooGooStatementCache.checkoutStatement(GooGooStatementCache.java:168) ~[c3p0-0.9.1.1.jar:0.9.1.1]
        at com.mchange.v2.c3p0.impl.NewPooledConnection.checkoutStatement(NewPooledConnection.java:234) ~[c3p0-0.9.1.1.jar:0.9.1.1]
        at com.mchange.v2.c3p0.impl.NewProxyConnection.prepareStatement(NewProxyConnection.java:199) ~[c3p0-0.9.1.1.jar:0.9.1.1]
        at org.hibernate.jdbc.AbstractBatcher.getPreparedStatement(AbstractBatcher.java:505) ~[hibernate3-3.2.6.GA.jar:3.2.6.ga]
        at org.hibernate.jdbc.AbstractBatcher.getPreparedStatement(AbstractBatcher.java:423) ~[hibernate3-3.2.6.GA.jar:3.2.6.ga]
        at org.hibernate.jdbc.AbstractBatcher.prepareQueryStatement(AbstractBatcher.java:139) ~[hibernate3-3.2.6.GA.jar:3.2.6.ga]
        at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1547) ~[hibernate3-3.2.6.GA.jar:3.2.6.ga]
        at org.hibernate.loader.Loader.doQuery(Loader.java:673) ~[hibernate3-3.2.6.GA.jar:3.2.6.ga]
        at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:236) ~[hibernate3-3.2.6.GA.jar:3.2.6.ga]
        at org.hibernate.loader.Loader.doList(Loader.java:2213) ~[hibernate3-3.2.6.GA.jar:3.2.6.ga]
        ... 33 common frames omitted
Caused by: java.lang.InterruptedException: null
        at java.lang.Object.wait(Native Method) ~[na:1.7.0_111]
        at java.lang.Object.wait(Object.java:503) ~[na:1.7.0_111]
        at com.mchange.v2.c3p0.stmt.GooGooStatementCache.acquireStatement(GooGooStatementCache.java:552) ~[c3p0-0.9.1.1.jar:0.9.1.1]
        ... 43 common frames omitted
It comes sometimes.

It comes sometimes.