SQL Developer not Connecting to Oracle after Updating java

Hi,
I am using Oracle 11gR1. Windows XPsp2 OS. Earlier Sql Developer was connecting successfully to Oracle , but when i updated my java Runtime to 'Update 17' (Of version 6), I am getting problem...Something like vendor problem error(tried to connect many times, also restarted system...but same problem persisted).
BUT, at this time when i am writing this problem, I though to check again that problem and get that actual error message....but surprisingly now that error is resolved automatically as if something magic has happened...
I am continuously connected to internet for last 5 hours.
SO, WHAT WAS THE PROBLEM , AND HOW IT IS RESOLVED AUTOMATICALLY?

Hi ,
once again the same problem. Again i am not able to connect to Sql Developer environment. My JRE is updated to update 18, since then again i am facing the same problem.what could be the possible solution?
The exact error message is "An error was encountered performing the request operation:Io exception:The network Adapter could not establish the connection vendor code 17002"
Thanks
Edited by: user12222356 on Apr 2, 2010 5:39 AM
Edited by: user12222356 on Apr 2, 2010 5:42 AM

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