Improved exception messages

1 files changed, 2 insertions, 2 deletions

diff --git a/src/main/java/com/it_jaros/jscanner/Scanner.java b/src/main/java/com/it_jaros/jscanner/Scanner.java
index 664723f..9f5ac52 100644
--- a/src/main/java/com/it_jaros/jscanner/Scanner.java
+++ b/src/main/java/com/it_jaros/jscanner/Scanner.java
@@ -81,7 +81,7 @@ public class Scanner implements AutoCloseable {
                 if (poll instanceof PollState.Success<ScanResult>(ScanResult value)) {
                     consumer.accept(value);
                 } else if (poll instanceof PollState.Failure<ScanResult>(Throwable error)) {
-                    System.err.println(error.getMessage());
+                    System.err.println("runScan: " + error.getMessage());
                 }
             } catch (InterruptedException e) {
                 Thread.currentThread().interrupt();
@@ -244,7 +244,7 @@ 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.println(error.getMessage());
+                        System.err.printf("scanHostPorts: %s -> %s%n", error.getClass().getSimpleName(), error.getMessage());
                     }
                 } catch (InterruptedException ignored) {
                     Thread.currentThread().interrupt();