diff --git a/spring-boot-project/spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/jar/CentralDirectoryEndRecord.java b/spring-boot-project/spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/jar/CentralDirectoryEndRecord.java
index c3bfb8a399d..35ef5b20386 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/jar/CentralDirectoryEndRecord.java
+++ b/spring-boot-project/spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/jar/CentralDirectoryEndRecord.java
@@ -123,4 +123,10 @@ class CentralDirectoryEndRecord {
 		return (int) numberOfRecords;
 	}
 
+	String getComment() {
+		int commentLength = (int) Bytes.littleEndianValue(this.block, this.offset + COMMENT_LENGTH_OFFSET, 2);
+		AsciiBytes comment = new AsciiBytes(this.block, this.offset + COMMENT_LENGTH_OFFSET + 2, commentLength);
+		return comment.toString();
+	}
+
 }
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/jar/JarFile.java b/spring-boot-project/spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/jar/JarFile.java
index 07202b502c5..26d62978eb4 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/jar/JarFile.java
+++ b/spring-boot-project/spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/jar/JarFile.java
@@ -80,6 +80,8 @@ public class JarFile extends java.util.jar.JarFile {
 
 	private boolean signed;
 
+	private String comment;
+
 	/**
 	 * Create a new {@link JarFile} backed by the specified file.
 	 * @param file the root jar file
@@ -146,6 +148,7 @@ public class JarFile extends java.util.jar.JarFile {
 
 			@Override
 			public void visitStart(CentralDirectoryEndRecord endRecord, RandomAccessData centralDirectoryData) {
+				JarFile.this.comment = endRecord.getComment();
 			}
 
 			@Override
@@ -290,6 +293,11 @@ public class JarFile extends java.util.jar.JarFile {
 				JarFileType.NESTED_JAR);
 	}
 
+	@Override
+	public String getComment() {
+		return this.comment;
+	}
+
 	@Override
 	public int size() {
 		return this.entries.getSize();
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-loader/src/test/java/org/springframework/boot/loader/TestJarCreator.java b/spring-boot-project/spring-boot-tools/spring-boot-loader/src/test/java/org/springframework/boot/loader/TestJarCreator.java
index 77efa2a9449..06976f0952a 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-loader/src/test/java/org/springframework/boot/loader/TestJarCreator.java
+++ b/spring-boot-project/spring-boot-tools/spring-boot-loader/src/test/java/org/springframework/boot/loader/TestJarCreator.java
@@ -41,6 +41,7 @@ public abstract class TestJarCreator {
 	public static void createTestJar(File file, boolean unpackNested) throws Exception {
 		FileOutputStream fileOutputStream = new FileOutputStream(file);
 		try (JarOutputStream jarOutputStream = new JarOutputStream(fileOutputStream)) {
+			jarOutputStream.setComment("outer");
 			writeManifest(jarOutputStream, "j1");
 			writeEntry(jarOutputStream, "1.dat", 1);
 			writeEntry(jarOutputStream, "2.dat", 2);
@@ -88,6 +89,7 @@ public abstract class TestJarCreator {
 	private static byte[] getNestedJarData(boolean multiRelease) throws Exception {
 		ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
 		JarOutputStream jarOutputStream = new JarOutputStream(byteArrayOutputStream);
+		jarOutputStream.setComment("nested");
 		writeManifest(jarOutputStream, "j2", multiRelease);
 		if (multiRelease) {
 			writeEntry(jarOutputStream, "multi-release.dat", 8);
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-loader/src/test/java/org/springframework/boot/loader/jar/JarFileTests.java b/spring-boot-project/spring-boot-tools/spring-boot-loader/src/test/java/org/springframework/boot/loader/jar/JarFileTests.java
index 1b0c4194f9d..416465c4733 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-loader/src/test/java/org/springframework/boot/loader/jar/JarFileTests.java
+++ b/spring-boot-project/spring-boot-tools/spring-boot-loader/src/test/java/org/springframework/boot/loader/jar/JarFileTests.java
@@ -79,6 +79,7 @@ public class JarFileTests {
 	public void jdkJarFile() throws Exception {
 		// Sanity checks to see how the default jar file operates
 		java.util.jar.JarFile jarFile = new java.util.jar.JarFile(this.rootJarFile);
+		assertThat(jarFile.getComment()).isEqualTo("outer");
 		Enumeration<java.util.jar.JarEntry> entries = jarFile.entries();
 		assertThat(entries.nextElement().getName()).isEqualTo("META-INF/");
 		assertThat(entries.nextElement().getName()).isEqualTo("META-INF/MANIFEST.MF");
@@ -152,6 +153,11 @@ public class JarFileTests {
 		assertThat(entry.getName()).isEqualTo("1.dat");
 	}
 
+	@Test
+	public void getComment() {
+		assertThat(this.jarFile.getComment()).isEqualTo("outer");
+	}
+
 	@Test
 	public void getInputStream() throws Exception {
 		InputStream inputStream = this.jarFile.getInputStream(this.jarFile.getEntry("1.dat"));
@@ -245,6 +251,7 @@ public class JarFileTests {
 	@Test
 	public void getNestedJarFile() throws Exception {
 		JarFile nestedJarFile = this.jarFile.getNestedJarFile(this.jarFile.getEntry("nested.jar"));
+		assertThat(nestedJarFile.getComment()).isEqualTo("nested");
 
 		Enumeration<java.util.jar.JarEntry> entries = nestedJarFile.entries();
 		assertThat(entries.nextElement().getName()).isEqualTo("META-INF/");