Using the tnexport error

It comes up error when I use command line to export TN DATA,pls help me ,tks.

The bat script like below:

D:\webMethods61\IntegrationServer\packages\WmTN\bin\CALL tnexport -xml D:\tn_bak.xml -all

wm version 6.1
Error Msg:

*** writing data to XML file D:\tn_bak.xml
*** initializing DB connection
Exception in thread “main” java.sql.SQLException: [wm-cjdbc33-0009][Oracle JDBC
Driver]Error establishing socket. Connection refused: connect
java.sql.SQLException: [wm-cjdbc33-0009][Oracle JDBC Driver]Error establishing s
ocket. Connection refused: connect
java.sql.SQLException: [wm-cjdbc33-0009][Oracle JDBC Driver]Error establishing s
ocket. Connection refused: connect
at com.wm.dd.jdbc.base.BaseExceptions.createException(Unknown Source)
at com.wm.dd.jdbc.base.BaseExceptions.getException(Unknown Source)
at com.wm.dd.jdbc.oracle.OracleImplConnection.makeConnection(Unknown Sou
rce)
at com.wm.dd.jdbc.oracle.OracleImplConnection.open(Unknown Source)
at com.wm.dd.jdbc.base.BaseConnection.getNewImplConnection(Unknown Sourc
e)
at com.wm.dd.jdbc.base.BaseConnection.open(Unknown Source)
at com.wm.dd.jdbc.base.BaseDriver.connect(Unknown Source)
at java.sql.DriverManager.getConnection(DriverManager.java:543)
at java.sql.DriverManager.getConnection(DriverManager.java:163)
at com.wm.app.tn.db.Datastore.getOfflineConnection(Datastore.java:603)
at com.wm.app.tn.db.Datastore.getConnection(Datastore.java:263)
at com.wm.app.tn.db.Datastore.getDBMetaData(Datastore.java:505)
at com.wm.app.tn.db.Datastore.init(Datastore.java:175)
at com.wm.app.tn.db.Embedded.init(Embedded.java:104)
at com.wm.app.tn.db.Export.main(Export.java:817)
ECHO is off.

another problem:

wm version 6.5

D:\PROGRA~1\webMethods6\IntegrationServer\packages\WmTN\bin>tnexport -xml tnbak.xml -all

Error Msg:

The input line is too long.