diff --git a/spring-core-test/src/main/java/org/springframework/aot/agent/InvocationsRecorderClassTransformer.java b/spring-core-test/src/main/java/org/springframework/aot/agent/InvocationsRecorderClassTransformer.java
index f9cc6abd17f3..26ef05a5e4c7 100644
--- a/spring-core-test/src/main/java/org/springframework/aot/agent/InvocationsRecorderClassTransformer.java
+++ b/spring-core-test/src/main/java/org/springframework/aot/agent/InvocationsRecorderClassTransformer.java
@@ -17,10 +17,11 @@
 package org.springframework.aot.agent;
 
 import java.lang.instrument.ClassFileTransformer;
-import java.lang.instrument.IllegalClassFormatException;
 import java.security.ProtectionDomain;
 import java.util.Arrays;
 
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
 import org.springframework.asm.ClassReader;
 import org.springframework.lang.Nullable;
 import org.springframework.util.Assert;
@@ -43,6 +44,8 @@ class InvocationsRecorderClassTransformer implements ClassFileTransformer {
 
 	private final String[] ignoredPackages;
 
+	private final Log logger = LogFactory.getLog(getClass());
+
 	public InvocationsRecorderClassTransformer(String[] instrumentedPackages, String[] ignoredPackages) {
 		Assert.notNull(instrumentedPackages, "instrumentedPackages must not be null");
 		Assert.notNull(ignoredPackages, "ignoredPackages must not be null");
@@ -57,7 +60,7 @@ private String[] rewriteToAsmFormat(String[] packages) {
 
 	@Override
 	public byte[] transform(@Nullable ClassLoader classLoader, String className, Class<?> classBeingRedefined,
-			ProtectionDomain protectionDomain, byte[] classfileBuffer) throws IllegalClassFormatException {
+			ProtectionDomain protectionDomain, byte[] classfileBuffer) {
 
 		if (isTransformationCandidate(classLoader, className)) {
 			return attemptClassTransformation(classfileBuffer);
@@ -71,24 +74,22 @@ private boolean isTransformationCandidate(@Nullable ClassLoader classLoader, Str
 			return false;
 		}
 		// Ignore agent classes and spring-core-test DynamicClassLoader
-		else if (className.startsWith(AGENT_PACKAGE) || className.equals(AOT_DYNAMIC_CLASSLOADER)) {
+		if (className.startsWith(AGENT_PACKAGE) || className.equals(AOT_DYNAMIC_CLASSLOADER)) {
 			return false;
 		}
 		// Do not instrument CGlib classes
-		else if (className.contains("$$")) {
+		if (className.contains("$$")) {
 			return false;
 		}
 		// Only some packages are instrumented
-		else {
-			for (String ignoredPackage : this.ignoredPackages) {
-				if (className.startsWith(ignoredPackage)) {
-					return false;
-				}
+		for (String ignoredPackage : this.ignoredPackages) {
+			if (className.startsWith(ignoredPackage)) {
+				return false;
 			}
-			for (String instrumentedPackage : this.instrumentedPackages) {
-				if (className.startsWith(instrumentedPackage)) {
-					return true;
-				}
+		}
+		for (String instrumentedPackage : this.instrumentedPackages) {
+			if (className.startsWith(instrumentedPackage)) {
+				return true;
 			}
 		}
 		return false;
@@ -101,7 +102,7 @@ private byte[] attemptClassTransformation(byte[] classfileBuffer) {
 			fileReader.accept(classVisitor, 0);
 		}
 		catch (Exception ex) {
-			ex.printStackTrace();
+			logger.error(ex);
 			return classfileBuffer;
 		}
 		if (classVisitor.isTransformed()) {