упорядочил папки с кодом.

src/Repository/DiagnosticSignalHandler.java

@@ -0,0 +1,43 @@
+package Repository;
+import org.apache.commons.io.FileUtils;
+import sun.misc.Signal;
+import sun.misc.SignalHandler;
+
+import java.io.File;
+import java.util.Date;
+public class DiagnosticSignalHandler implements SignalHandler {
+    private SignalHandler oldHandler;
+    private SignalHandler handler;
+    public DiagnosticSignalHandler() {
+    }
+    // Static method to install the signal handler
+    public static void install(String signalName, SignalHandler handler) {
+        Signal signal = new Signal(signalName);
+        DiagnosticSignalHandler diagnosticSignalHandler = new DiagnosticSignalHandler();
+        SignalHandler oldHandler = Signal.handle(signal, diagnosticSignalHandler);
+        diagnosticSignalHandler.setHandler(handler);
+        diagnosticSignalHandler.setOldHandler(oldHandler);
+    }
+    private void setOldHandler(SignalHandler oldHandler) {
+        this.oldHandler = oldHandler;
+    }
+    private void setHandler(SignalHandler handler) {
+        this.handler = handler;
+    }
+    // Signal handler method
+    // Signal handler method
+    @Override
+    public void handle(Signal sig) {
+        System.out.println("Diagnostic Signal handler called for signal " + sig);
+        try {
+            FileUtils.writeStringToFile(new File("got SIG" + sig.getName() + " " + new Date().toString().replace(':', '_')), "");
+            handler.handle(sig);
+// Chain back to previous handler, if one exists
+            if (oldHandler != SIG_DFL && oldHandler != SIG_IGN) {
+                oldHandler.handle(sig);
+            }
+        } catch (Exception e) {
+            System.out.println("Signal handler failed, reason " + e);
+        }
+    }
+}