Query[User] query = Ebean.createQuery(User.class);
query.setId(1);
List[User] userList = query.findList();

This will fail with a nasty stackTrace...

Exception in thread "main" javax.persistence.PersistenceException: Error with property[1] dt[4]data[1][java.lang.Integer]
at com.avaje.ebean.server.persist.Binder.bindSimpleData(Binder.java:365)
at com.avaje.ebean.server.persist.Binder.bindObject(Binder.java:251)
at com.avaje.ebean.server.persist.Binder.bindObject(Binder.java:209)
at com.avaje.ebean.server.deploy.idconvert.IdBinderSimple.bindId(IdBinderSimple.java:32)
at com.avaje.ebean.server.deploy.BeanDescriptor.bindId(BeanDescriptor.java:510)
at com.avaje.ebean.server.query.PredicateBinder.bind(PredicateBinder.java:88)
at com.avaje.ebean.server.query.InternalSqlQuery.prepareBindExecuteQuery(InternalSqlQuery.java:146)
at com.avaje.ebean.server.query.FinderObjectRelational.findMany(FinderObjectRelational.java:121)
at com.avaje.ebean.server.query.DefaultInternalQueryEngine.findMany(DefaultInternalQueryEngine.java:83)
at com.avaje.ebean.server.core.QueryRequest.findList(QueryRequest.java:148)
at com.avaje.ebean.server.core.DefaultServer.findList(DefaultServer.java:844)
at com.avaje.ebean.query.DefaultBeanQuery.findList(DefaultBeanQuery.java:274)
at query.FindUser.main(FindUser.java:27)
Caused by: java.sql.SQLException: No parameters defined during prepareCall()
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:910)
at com.mysql.jdbc.ServerPreparedStatement.getBinding(ServerPreparedStatement.java:751)
at com.mysql.jdbc.ServerPreparedStatement.setInt(ServerPreparedStatement.java:1759)
at com.avaje.lib.sql.ExtendedPreparedStatement.setInt(ExtendedPreparedStatement.java:293)
at com.avaje.ebean.server.persist.Binder.bindSimpleData(Binder.java:293)
... 12 more