Hi,

   +-From: gokulvsmail <gokulvsm...@gmail.com> --
   |_Date: Mon, 02 Sep 2013 18:17:15 +0530 ______
   |
   |Am using the jsch lib for my J2ee web application deployed in jboss 5 
   |GA.while calling the method session.connect() a getting the exception as.

   |java.security.InvalidAlgorithmParameterException: Inappropriate 
   |parameter type
   |16:05:55,792 ERROR [STDERR]     at 
   |com.sun.crypto.provider.DHKeyPairGenerator.initialize(DashoA13*..)
   |16:05:55,792 ERROR [STDERR]     at 
   
|java.security.KeyPairGenerator$Delegate.initialize(KeyPairGenerator.java:627)
   |16:05:55,792 ERROR [STDERR]     at 
   |java.security.KeyPairGenerator.initialize(KeyPairGenerator.java:369)
   |16:05:55,793 ERROR [STDERR]     at com.jcraft.jsch.jce.DH.getE(DH.java:57)

Before instantiating JSch class, execute the following chunk of code

   java.security.Provider[] providers = 
     java.security.Security.getProviders();
   for(int i=0; i<providers.length; i++){
     System.out.println(providers[i].getName());
   }

Do you find "SunJCE" in its output?  If so, how about executing the following
line before instantiating JSch class, 

  java.security.Security.insertProviderAt(
    java.security.Security.getProvider("SunJCE"),
    1
  );


Sincerely,
--
Atsuhiko Yamanaka
JCraft,Inc.
1-14-20 HONCHO AOBA-KU,
SENDAI, MIYAGI 980-0014 Japan.
Tel +81-22-723-2150
    +1-415-578-3454
Skype callto://jcraft/
Twitter: http://twitter.com/ymnk
Facebook: http://facebook.com/aymnk

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