JMS Adapter connection error.<I'm using MQ websh

Hi All,

when I config a JMS Adapter connnection,I meet a error:

Error encountered
[ART.118.5042] Adapter Runtime (Connection): Unable to enable connection resource JMSF2:JMSC2.[ART.118.5063] Adapter Runtime (Connection): Unable to start connection JMSF2:JMSC2: after 1 attempt(s).[ART.118.5036] Adapter Runtime (Connection): Unable to configure connection manager.[ADA.680.201] Cannot connect to the JNDI Provider: “file://\Program Files\IBM\WebSphere MQ\Java\lib”.nullMy Configure is:connection type : JMS Adapter QueueConnection
package name : JMSConnection
Transaction Type : LOCAL_TRANSACTION
JNDI Initial Context Factory :com.sun.jndi.fscontext.RefFSContextFactory
JNDI Provider URL : file://\Program Files\IBM\WebSphere MQ\Java\lib
JNDI Security Principal
JNDI Security Credentials
JNDI Other Properties
QueueConnectionFactory JNDI Name : QM_46
JMS user
JMS password
confirm JMS password

****Is this JNDI Provider URL is right?if it is wrong can someone tell right URL.

Can someone help me?Thanks a lot!