Name jms is not bound in this Context"

Hi

when i am  trying to execute  the Jms by using LIvecycle  Dataservices .  I  am getting below Error

[BlazeDS]Received command: TCCommand [ Cmd: 0, MethodName: null, TrxID: 2.0]
[BlazeDS]Serializing AMF/RTMP response
Version: 3
  (Command method=_error (0) trxId=2.0)
    (Typed Object #0 'flex.messaging.messages.ErrorMessage')
      rootCause = (Typed Object #1 'javax.naming.NameNotFoundException')
        rootCause = null
        localizedMessage = "Name jms is not bound in this Context"
        resolvedObj = null
        resolvedName = null
        remainingName = null
        message = "Name jms is not bound in this Context"
        cause = null
        explanation = "Name jms is not bound in this Context"
      destination = "chat-topic-jms"
      headers = (Object #2)
      correlationId = "8FFC3893-2841-C00E-3D4E-B9C1782E3A32"
      faultString = "Name jms is not bound in this Context"
      messageId = "6D815668-4E1D-315F-EEBB-CBF4405E6F93"
      faultCode = "Server.Processing"
      timeToLive = 0.0
      extendedData = null
      faultDetail = null
      clientId = "6D815668-4E0A-A7E2-40DA-B47B2103F97F"
      timestamp = 1.27442678379E12
      body = null

[BlazeDS]Serializing AMF/RTMP response
Version: 3
  (Command method=onstatus (0) trxId=null)
    (Object #0)
      code = "NetConnection.Connect.Closed"
      level = "status"
      details = null

I have follwed the steps provided ny Adobe itself

Please help me to resolve this issue please tell which configuration file s have to be changed to fix this issue

Thanks In Advance

      description = "Connection Timed Out"

[BlazeDS]FlexSession with id '6D81561C-9F18-2CE8-F267-3214612183C1' for a direct
RTMP connection has been invalidated.