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 +40,14 @@ class SampleAntApplicationIT {
 	void runJar() throws Exception {
 		File libs = new File("build/ant/libs");
 		String javaExecutable = findJavaExecutable();
+		File javaFile = new File(javaExecutable);
+		System.out.println("Using Java executable: " + javaExecutable);
+		System.out.println("Java executable exists: " + javaFile.exists());
+		System.out.println("Java executable canExecute: " + javaFile.canExecute());
+		System.out.println("Java executable canRead: " + javaFile.canRead());
+		System.out.println("java.home: " + System.getProperty("java.home"));
+		System.out.println("Working directory: " + System.getProperty("user.dir"));
+		System.out.println("Current directory files: " + java.util.Arrays.toString(new File(".").list()));
 		ProcessBuilder processBuilder = new ProcessBuilder(javaExecutable, "-jar", "spring-boot-smoke-test-ant.jar");
 		processBuilder.inheritIO();
 		Process process = processBuilder.directory(libs).start();