java ssh jdbc 链接 oracle 问题。新手弄了两天了，999

之前是链接mysql的。客户突然要改成oracle数据库。搞了两天了还没能链接成功。大家帮忙看下，知道的说下，感激不尽。

启动tomcat:
NFO: Initializing Spring root WebApplicationContext
[2013-05-14 11:27:56,265] [com.mchange.v2.async.ThreadPoolAsynchronousRunner] WARN  - com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector@1e131e5 -- APPARENT DEADLOCK!!! Creating emergency threads for unassigned pending tasks! 
[2013-05-14 11:27:56,265] [com.mchange.v2.async.ThreadPoolAsynchronousRunner] WARN  - com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector@1e131e5 -- APPARENT DEADLOCK!!! Complete Status: 
        Managed Threads: 3
        Active Threads: 3
        Active Tasks: 
                com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@1252b15 (com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#0)
                com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@12faccf (com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#1)
                com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@fa5f28 (com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#2)
        Pending Tasks: 
                com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@17d7924
                com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@9c6ad9
                com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@12ae998
                com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@4e0d38
                com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@45ea27
                com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@fa694
                com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@18176ff
Pool thread stack traces:
        Thread[com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#0,5,main]
                java.lang.Thread.sleep(Native Method)
                com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask.run(BasicResourcePool.java:1805)
                com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:547)
        Thread[com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#1,5,main]
                java.lang.Threa