Dirty hack: leverage AspectJ load-time-weaving in a Spring-Boot-Application to replace the wrongly generated date (X-Amz-Date header value) of AWS SDK v1.9.19's AWS3Signer.sign(...) method with a ~correct date. Don't use in production ;-). In short: a working AspectJ sample. Or: give me a AOP-hammer and all problems look like nails ^^

Route53IssueHotfixAspect.java

package ch.up4sure.ng;

import java.lang.reflect.Method;
import java.text.DateFormatSymbols;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;
import java.util.TimeZone;

import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Pointcut;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.amazonaws.auth.AWS3Signer;

/**
 * Issue: 
 * - AWS3Signer.sign(...) of AWS SDK Java v1.9.19 creates 'X-Amz-Date' header values like 'Wed, 11 Nov 2015 08:41:29 +00:00'.
 * - Route53 seems to be unhappy with that since ~Nov 11, 2015: "Invalid date XYZ. It must be in one of the formats specified by HTTP RFC 2616 section 3.3.1)"
 * 
 * Fix (ABSOLUTE OVERKILL ;-)
 * - Set AWS3Signer's overrideDate property with a correctly formatted current date value on-the-fly using AspectJ ;-)
 * - USE AT YOUR OWN RISK!!!
 * - Btw.: Better fix is to upgrade to SDK v1.10.32 (, but hey - no AOP no FUN ;-)
 * 
 * VM args (aspectj load time weaving for spring apps):
 * <pre>
 * -javaagent:aopAgent/spring-instrument-3.0.4.RELEASE.jar
 * </pre>
 * 
 * Spring (boot-) config:
 * <pre>
 * @EnableLoadTimeWeaving(aspectjWeaving=AspectJWeaving.ENABLED)
 * </pre>
 * 
 * AspectJ sample config (in META-INF/aop.xml):
 * <pre>
 * <!DOCTYPE aspectj PUBLIC "-//AspectJ//DTD//EN" "http://www.eclipse.org/aspectj/dtd/aspectj.dtd">
 * <aspectj>
 *     <weaver>
 *         <include within="*"/>
 *     </weaver>
 *     <aspects>
 *         <aspect name="ch.up4sure.ng.Route53IssueHotfixAspect"/>
 *     </aspects>
 * </aspectj>
 * </pre>
 */
@Aspect
public class Route53IssueHotfixAspect { //DIRTY HACK
    private final static Logger logger = LoggerFactory.getLogger(Route53IssueHotfixAspect.class);
	
    @Around("signMethod()")
    public Object fixSignMethod(ProceedingJoinPoint pjp) throws Throwable {
	final String now = now();
		
	logger.warn("[Route53 BUG HOTFIX] Setting overrideDate={} before executing {}", now, pjp.getSignature());
		
	final Method m = AWS3Signer.class.getDeclaredMethod("overrideDate", String.class);
	m.setAccessible(true);
	m.invoke(pjp.getTarget(), now);
		
        return pjp.proceed();
    }
	
    @Pointcut("execution(* com.amazonaws.auth.AWS3Signer.sign(..))")
    public void signMethod(){}
    
    private String now() {
    	SimpleDateFormat sdf = new SimpleDateFormat("E, dd LLL YYYY HH:mm:ss 'GMT'");
    	sdf.setTimeZone(TimeZone.getTimeZone("UTC"));
    	sdf.setDateFormatSymbols(DateFormatSymbols.getInstance(Locale.US));
    	return sdf.format(new Date());
    }
}