fix: avoid bind exception when reconnecting after failure

Signed-off-by: Andre Dietisheim <[email protected]>

Author: adietish

src/main/kotlin/com/redhat/devtools/gateway/openshift/Pods.kt

@@ -38,6 +38,7 @@ import java.io.IOException
 import java.io.InputStream
 import java.io.OutputStream
 import java.net.InetAddress
+import java.net.InetSocketAddress
 import java.net.ServerSocket
 import java.net.Socket
 import java.util.concurrent.TimeUnit
@@ -99,7 +100,10 @@ class Pods(private val client: ApiClient) {
     // https://github.com/kubernetes-client/java/blob/master/examples/examples-release-latest/src/main/java/io/kubernetes/client/examples/PortForwardExample.java
     @Throws(IOException::class)
     fun forward(pod: V1Pod, localPort: Int, remotePort: Int): Closeable {
-        val serverSocket = ServerSocket(localPort, 50, InetAddress.getLoopbackAddress())
+        val serverSocket = ServerSocket()
+        serverSocket.use {
+            it.bind(InetSocketAddress(InetAddress.getLoopbackAddress(), localPort))
+        }
 
         val scope = CoroutineScope(Dispatchers.IO)
         scope.launch {