More code for testing SpringBootApp JMX client

headless-services/commons/commons-boot-app-cli/src/main/java/org/springframework/ide/vscode/commons/boot/app/cli/SpringBootApp.java

@@ -11,10 +11,13 @@
 package org.springframework.ide.vscode.commons.boot.app.cli;
 
 import java.io.File;
+import java.io.IOException;
+import java.io.PrintStream;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.Map.Entry;
 import java.util.Properties;
 import java.util.Set;
 import java.util.StringTokenizer;
@@ -349,4 +352,27 @@ public class SpringBootApp {
 	public String toString() {
 		return "SpringBootApp [" +vmd.id() + ", "+vmd.displayName()+"]";
 	}
+
+	/**
+	 * For testing / investigation purposes. Dumps out as much information as possible
+	 * that can be onbtained from the jvm, without accessing JMX.
+	 */
+	public void dumpJvmInfo() throws IOException {
+		System.out.println("--- vm infos ----");
+		System.out.println("id = "+vm.id());
+		System.out.println("displayName = "+vmd.displayName());
+		dump("agentProperties", vm.getAgentProperties());
+		dump("systemProps", vm.getSystemProperties());
+		System.out.println("-----------------");
+	}
+
+	private void dump(String name, Properties props) {
+		System.out.println(name + " = {");
+		for (Entry<Object, Object> prop : props.entrySet()) {
+			System.out.println("  "+prop.getKey()+" = "+prop.getValue());
+		}
+		System.out.println("}");
+	}
+
+	
 }

headless-services/commons/commons-boot-app-cli/src/test/java/org/springframework/ide/vscode/commons/boot/app/cli/SpringBootAppTest.java

@@ -34,6 +34,7 @@ public class SpringBootAppTest {
 	
 //	private static final String appName = "actuator-client-15-test-subject"; // Boot 1.5 test app
 	private static final String appName = "actuator-client-20-test-subject"; //Boot 2.0 test app
+//	private static final String appName = "actuator-client-20-thin-test-subject"; //Boot 2.0 test app with THIN launcher
 	
 	private static final Duration TIMEOUT = Duration.ofSeconds(30); // in CI build starting the app takes longer than 10s sometimes.
 	//Output from CI build: Started ActuatorClientTestSubjectApplication in 22.962 seconds (JVM running for 26.028)
@@ -77,6 +78,14 @@ public class SpringBootAppTest {
 		Optional<SpringBootApp> myProcess = allApps.values().stream().filter(app -> app.getProcessName().contains(appName)).findAny();
 		assertTrue(myProcess.isPresent());
 	}
+	
+	@Test
+	public void dumpJvmInfo() throws Exception {
+		ACondition.waitFor(TIMEOUT, this::getRequestMappings);
+		testApp.dumpJvmInfo();
+//		SpringBootApp app = getAppContaining("language-server.jar");
+//		app.dumpJvmInfo();
+	}
 
 	@Ignore //Failing... not sure how to fix.
 	@Test public void getAllBootApps() throws Exception {