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IO Error: Unknown host specified
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IO Error: Unknown host specified
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IO Error: Unknown host specified
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IO Error: Unknown host specified
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IO Error: Unknown host specified
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IO Error: Unknown host specified
java.sql.SQLRecoverableException: IO Error: Unknown host specified 	at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:419)	at oracle.jdbc.driver.PhysicalConnection.(PhysicalConnection.java:536)	at oracle.jdbc.driver.T4CConnection.(T4CConnection.java:228)	at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:32)	at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:521)	at com.mchange.v2.c3p0.DriverManagerDataSource.getConnection(DriverManagerDataSource.java:134)	at com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:182)	at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.acquireResource(C3P0PooledConnectionPool.java:148)	at com.mchange.v2.resourcepool.BasicResourcePool.doAcquire(BasicResourcePool.java:1014)	at com.mchange.v2.resourcepool.BasicResourcePool.access$800(BasicResourcePool.java:32)	at com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask.run(BasicResourcePool.java:1810)	at com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:547)	at oracle.net.resolver.HostnameNamingAdapter.resolve(HostnameNamingAdapter.java:191)	at oracle.net.resolver.NameResolver.resolveName(NameResolver.java:133)	at oracle.net.resolver.AddrResolution.resolveAndExecute(AddrResolution.java:404)	at oracle.net.ns.NSProtocol.establishConnection(NSProtocol.java:678)	at oracle.net.ns.NSProtocol.connect(NSProtocol.java:238)	at oracle.jdbc.driver.T4CConnection.connect(T4CConnection.java:1054)	at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:308)