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JDBC Error message

 
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I use Oracle thin driver to connect to my database in a JSP.
Several days ago, It worked well, but today, I got the error message "SQLException: Io exception: The Network Adapter could not establish the connection"
Could you please help me to solve this problem?
Thanks in advanced
 
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MySQL Database Suse
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what is the ORA-XXXXX error number? you can get this by putting System.out.println(e.getMessage()); in your catch block.
the ORA-XXXXX number helps me investigate problem.
Jamie
 
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