Removed exception from signature.

Enhanced error message and comments

1 files changed, 4 insertions, 3 deletions

diff --git a/src/main/java/com/it_jaros/jscanner/Scanner.java b/src/main/java/com/it_jaros/jscanner/Scanner.java
index 770cb2b..beeb62e 100644
--- a/src/main/java/com/it_jaros/jscanner/Scanner.java
+++ b/src/main/java/com/it_jaros/jscanner/Scanner.java
@@ -230,7 +230,8 @@ public class Scanner implements AutoCloseable {
                     return ScanResult.empty(host);
                 }
                 // online check also sends packets to the target system.
-                // so we need to also wait here if there is a delay defined
+                // in order not to violate set delay time
+                // we wait here too
                 LockSupport.parkNanos(delayInNanos);
             }
 
@@ -254,7 +255,7 @@ public class Scanner implements AutoCloseable {
                     if (poll instanceof PollState.Success<PortResult>(PortResult value)) {
                         accumulator.add(value);
                     } else if (poll instanceof PollState.Failure(Throwable error)) {
-                        System.err.printf("scanHostPorts: %s -> %s%n", error.getClass().getSimpleName(), error.getMessage());
+                        System.err.printf("scanHostPorts failed for host %s with error %s -> %s%n", host, error.getClass().getSimpleName(), error.getMessage());
                     }
                 } catch (InterruptedException ignored) {
                     Thread.currentThread().interrupt();
@@ -352,7 +353,7 @@ public class Scanner implements AutoCloseable {
             }
         }
 
-        private PortResult checkPort() throws InterruptedException {
+        private PortResult checkPort() {
             PortResult result = new PortResult();
             result.setPort(port);
             result.setState(PortState.UNKNOWN);