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    This is a bug that happens in Slide in versions 4.2.0 and before. Update to 4.2.2 or further to fix it.

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IO Error: Unknown host specified
java.net.UnknownHostException: name_of_host	at java.net.InetAddress.getAllByName0(InetAddress.java:1201)	at java.net.InetAddress.getAllByName(InetAddress.java:1128)	at java.net.InetAddress.getAllByName(InetAddress.java:1064)	at oracle.net.nt.TcpNTAdapter.connect(TcpNTAdapter.java:117)	at oracle.net.nt.ConnOption.connect(ConnOption.java:133)	at oracle.net.nt.ConnStrategy.execute(ConnStrategy.java:370)	at oracle.net.resolver.AddrResolution.resolveAndExecute(AddrResolution.java:434)	at oracle.net.ns.NSProtocol.establishConnection(NSProtocol.java:687)	at oracle.net.ns.NSProtocol.connect(NSProtocol.java:247)	at oracle.jdbc.driver.T4CConnection.connect(T4CConnection.java:1102)	at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:320)	at oracle.jdbc.driver.PhysicalConnection.(PhysicalConnection.java:546)	at oracle.jdbc.driver.T4CConnection.(T4CConnection.java:236)	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)