https://devzone.nordicsemi.com/f/nordic-q-a/10443/eclipse-and-gcc---jlink-debug@Vidar I&#39;m facing a issue with Debugging using Eclipse, following the steps you mentioned in the tutorial &quot;Development with GCC and Eclipse&quot;. Made the below configuration settings I get the below error Can you please check and let meen-USTelligent Community 13Tue, 28 Jun 2016 18:46:11 GMThttps://devzone.nordicsemi.com/thread/38816?ContentTypeID=1Tue, 28 Jun 2016 18:46:11 GMT137ad170-7792-4731-bb38-c0d22fbe4515:0428144c-9ded-4f9f-b5ef-dc1bea6c87e4jefcap<p>I had problems related to GDB connection and your post solved my problem. Thanks!</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/38815?ContentTypeID=1Tue, 24 Nov 2015 17:00:35 GMT137ad170-7792-4731-bb38-c0d22fbe4515:f3c446ca-5096-43fb-a07e-3487676d1eacRic<p>Resolved the issue by making the these changes in the Debug Configuration</p> <ul> <li>Added USB SN number</li> <li>Replaced ${cross_prefix}gdb${cross_suffix} with complete path</li> </ul> <p><img src="https://devzone.nordicsemi.com/cfs-file/__key/communityserver-discussions-components-files/4/debug2.png" alt="image description" /></p> <p><img src="https://devzone.nordicsemi.com/cfs-file/__key/communityserver-discussions-components-files/4/debug3.png" alt="image description" /></p> <p>Thanks</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/38814?ContentTypeID=1Tue, 24 Nov 2015 13:27:17 GMT137ad170-7792-4731-bb38-c0d22fbe4515:e830b4fc-4c34-4c99-bdcf-8f53445ec3d1bamqoo<p>I got the same problem that the &quot;GDB client&quot; not shown in &quot;Debug Configurations&quot;. My platform is Mac OSX + Eclipse Mars + nRF52 DK.</p><div style="clear:both;"></div>