add debug log

Author: xiongemi

spring-boot-tests/spring-boot-smoke-tests/spring-boot-smoke-test-ant/src/test/java/smoketest/ant/SampleAntApplicationIT.java

@@ -40,6 +40,9 @@ class SampleAntApplicationIT {
 	void runJar() throws Exception {
 		File libs = new File("build/ant/libs");
 		String javaExecutable = findJavaExecutable();
+		System.out.println("Using Java executable: " + javaExecutable);
+		System.out.println("Java executable exists: " + new File(javaExecutable).exists());
+		System.out.println("java.home: " + System.getProperty("java.home"));
 		ProcessBuilder processBuilder = new ProcessBuilder(javaExecutable, "-jar", "spring-boot-smoke-test-ant.jar");
 		processBuilder.inheritIO();
 		Process process = processBuilder.directory(libs).start();