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Getting TNS timeout error when trying to run a jdbc application against an oracle database. Driver used : ojdbc6. JDK : 1.6_06 I've tried increasing the connect_timeout sqlnet parameter, acted on DIAG_ADR parameter and decreased the SDU size from the client. Not sure what options to take anymore. Set tns listener tracing on - no extra information is obtained. Any help on how to resolve?

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closed as too localized by Mark Storey-Smith, ypercubeᵀᴹ, RolandoMySQLDBA, Mike Walsh, Martin Smith Dec 15 '12 at 10:15

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Try telnet, does that connect? – Gaius Dec 13 '11 at 14:34

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