IT Tests to cover thread pool monitoring. Some failing.

Author: OndroMih

appserver/tests/application/src/test/java/org/glassfish/main/test/app/monitoring/SlowServlet.java

@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2025 Contributors to the Eclipse Foundation
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v. 2.0, which is available at
+ * http://www.eclipse.org/legal/epl-2.0.
+ *
+ * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
+ */
+
+package org.glassfish.main.test.app.monitoring;
+
+import java.io.IOException;
+import java.io.PrintWriter;
+
+import jakarta.servlet.ServletException;
+import jakarta.servlet.annotation.WebServlet;
+import jakarta.servlet.http.HttpServlet;
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
+
+@WebServlet("/slow")
+public class SlowServlet extends HttpServlet {
+
+    @Override
+    protected void doGet(HttpServletRequest req, HttpServletResponse resp) 
+            throws ServletException, IOException {
+        try {
+            Thread.sleep(2000); // 2 second delay to keep threads busy
+        } catch (InterruptedException e) {
+            Thread.currentThread().interrupt();
+        }
+        
+        resp.setContentType("text/plain");
+        try (PrintWriter writer = resp.getWriter()) {
+            writer.println("Slow response completed");
+            writer.println("Thread: " + Thread.currentThread().getName());
+        }
+    }
+}

appserver/tests/application/src/test/java/org/glassfish/main/test/app/monitoring/TestServlet.java

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+/*
+ * Copyright (c) 2025 Contributors to the Eclipse Foundation
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v. 2.0, which is available at
+ * http://www.eclipse.org/legal/epl-2.0.
+ *
+ * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
+ */
+
+package org.glassfish.main.test.app.monitoring;
+
+import java.io.IOException;
+import java.io.PrintWriter;
+
+import jakarta.servlet.ServletException;
+import jakarta.servlet.annotation.WebServlet;
+import jakarta.servlet.http.HttpServlet;
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
+
+@WebServlet("/test")
+public class TestServlet extends HttpServlet {
+
+    @Override
+    protected void doGet(HttpServletRequest req, HttpServletResponse resp) 
+            throws ServletException, IOException {
+        resp.setContentType("text/plain");
+        try (PrintWriter writer = resp.getWriter()) {
+            writer.println("Thread Pool Test Servlet");
+            writer.println("Thread: " + Thread.currentThread().getName());
+        }
+    }
+}