Can not restore successfully using MySQL Connector/J 3.1.x

Two users so far have got the following stack trace:

Cause:
org.springframework.jdbc.BadSqlGrammarException: Bad SQL grammar [] in task 'Hibernate operation'; nested exception is java.sql.SQLException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '?' at line 1

Stack Trace: [hide]

org.springframework.jdbc.BadSqlGrammarException: Bad SQL grammar [] in task 'Hibernate operation'; nested exception is java.sql.SQLException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '?' at line 1
java.sql.SQLException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '?' at line 1
at com.mchange.v2.c3p0.impl.C3P0PooledConnection$ProxyConnectionInvocationHandler.invoke(C3P0PooledConnection.java:733)
at com.mchange.v2.c3p0.impl.$Proxy4.prepareStatement(Unknown Source)
at net.sf.hibernate.impl.BatcherImpl.getPreparedStatement(BatcherImpl.java:257)
at net.sf.hibernate.impl.BatcherImpl.getPreparedStatement(BatcherImpl.java:232)
at net.sf.hibernate.impl.BatcherImpl.prepareQueryStatement(BatcherImpl.java:65)
at net.sf.hibernate.loader.Loader.prepareQueryStatement(Loader.java:779)
at net.sf.hibernate.loader.Loader.doQuery(Loader.java:265)
at net.sf.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:133)
at net.sf.hibernate.loader.Loader.doList(Loader.java:1033)
at net.sf.hibernate.loader.Loader.list(Loader.java:1018)