Debug port can be still unbindable after previous JVM died

Signed-off-by: David Matějček <[email protected]>

Author: dmatej

appserver/itest-tools/src/main/java/org/glassfish/main/itest/tools/asadmin/Asadmin.java

@@ -242,7 +242,7 @@ private File getPasswordFile() {
      */
     private AsadminResult exec(final Integer timeout, final boolean detachedAndTerse, final String... args) {
         final List<String> parameters = Arrays.asList(args);
-        LOG.log(TRACE, "exec(timeout={0}, detached={1}, args={2})", timeout, detachedAndTerse, parameters);
+        LOG.log(INFO, "exec(timeout={0}, detached={1}, args={2})", timeout, detachedAndTerse, parameters);
         final List<String> command = new ArrayList<>();
         if (asadmin.getName().endsWith(".java")) {
             command.add(JAVA_EXECUTABLE);

nucleus/admin/server-mgmt/src/main/java/com/sun/enterprise/admin/servermgmt/cli/StartServerHelper.java

@@ -277,14 +277,10 @@ public static List<HostAndPort> parseCustomEndpoints(String customEndpoints) thr
      * So we have to wait a bit.
      */
     private static void checkFreeDebugPort(Integer debugPort, Duration timeout, boolean terse) {
-        if (debugPort == null) {
+        if (debugPort == null || NetUtils.isPortFree(debugPort)) {
             return;
         }
-        final HostAndPort debugEndpoint = new HostAndPort("localhost", debugPort, false);
-        if (!ProcessUtils.isListening(debugEndpoint)) {
-            return;
-        }
-        ProcessUtils.waitWhileListening(debugEndpoint, timeout, !terse);
+        ProcessUtils.waitFor(() -> NetUtils.isPortFree(debugPort), Duration.ofSeconds(10L), terse);
     }
 
     private static void checkFreeAdminPorts(List<HostAndPort> endpoints) throws GFLauncherException {