ex throwing

src/main/java/io/github/eocqrs/kafka/act/ShutdownHook.java

@@ -54,7 +54,7 @@ public void apply() {
         try {
           this.main.join();
         } catch (final InterruptedException ex) {
-          ex.printStackTrace();
+          throw new ShutdownHookException(ex);
         } finally {
           this.after.apply();
         }

src/main/java/io/github/eocqrs/kafka/act/ShutdownHookException.java

@@ -0,0 +1,47 @@
+/*
+ *  Copyright (c) 2023 Aliaksei Bialiauski, EO-CQRS
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package io.github.eocqrs.kafka.act;
+
+/**
+ * Shutdown Hook Exception.
+ *
+ * @author Aliaksei Bialiauski (abialiauski.dev@gmail.com)
+ * @since 0.2.5
+ */
+public class ShutdownHookException extends RuntimeException {
+
+  public ShutdownHookException() {
+  }
+
+  public ShutdownHookException(final String message) {
+    super(message);
+  }
+
+  public ShutdownHookException(final String message, final Throwable cause) {
+    super(message, cause);
+  }
+
+  public ShutdownHookException(final Throwable cause) {
+    super(cause);
+  }
+}