JSP Error

Exception:

java.sql.SQLException: ORA-
01722
: неверное число

	at oracle.jdbc.dbaccess.DBError.
throwSqlException
(DBError.java:
134
)
	at oracle.jdbc.ttc7.TTIoer.
processError
(TTIoer.java:
289
)
	at oracle.jdbc.ttc7.Oall7.
receive
(Oall7.java:
573
)
	at oracle.jdbc.ttc7.TTC7Protocol.
doOall7
(TTC7Protocol.java:
1891
)
	at oracle.jdbc.ttc7.TTC7Protocol.
parseExecuteDescribe
(TTC7Protocol.java:
830
)
	at oracle.jdbc.driver.OracleStatement.
doExecuteQuery
(OracleStatement.java:
2391
)
	at oracle.jdbc.driver.OracleStatement.
doExecuteWithTimeout
(OracleStatement.java:
2672
)
	at oracle.jdbc.driver.OraclePreparedStatement.
executeUpdate
(OraclePreparedStatement.java:
589
)
	at oracle.jdbc.driver.OraclePreparedStatement.
executeQuery
(OraclePreparedStatement.java:
527
)
	at _art__form.
_jspService
(_art__form.java:
880
)
	at oracle.jsp.runtime.HttpJsp.
service
(HttpJsp.java)
	at oracle.jsp.app.JspApplication.
dispatchRequest
(JspApplication.java)
	at oracle.jsp.JspServlet.
doDispatch
(JspServlet.java)
	at oracle.jsp.JspServlet.
internalService
(JspServlet.java)
	at oracle.jsp.JspServlet.
service
(JspServlet.java)
	at javax.servlet.http.HttpServlet.
service
(HttpServlet.java:
588
)
	at org.apache.jserv.JServConnection.
processRequest
(JServConnection.java:
456
)
	at org.apache.jserv.JServConnection.
run
(JServConnection.java:
294
)
	at java.lang.Thread.
run
(Thread.java:
484
)