Better exception message

spring-cloud-release-tools-core/src/main/java/org/springframework/cloud/release/internal/post/PostReleaseActions.java

@@ -3,6 +3,7 @@ package org.springframework.cloud.release.internal.post;
 import java.io.Closeable;
 import java.io.File;
 import java.io.IOException;
+import java.util.Arrays;
 import java.util.Collection;
 import java.util.List;
 import java.util.Map;
@@ -95,7 +96,9 @@ public class PostReleaseActions implements Closeable {
 		List<String> exceptionMessages = projectAndExceptions.stream()
 				.filter(ProjectAndException::hasException)
 				.map(e -> "Project [" + e.key + "] for url [" + e.url + "] "
-						+ "has exception [" + NestedExceptionUtils.getMostSpecificCause(e.ex) + "]")
+						+ "has exception [" + Arrays
+						.toString(NestedExceptionUtils.getMostSpecificCause(e.ex)
+								.getStackTrace()) + "]")
 				.collect(Collectors.toList());
 		if (!exceptionMessages.isEmpty()) {
 			log.warn("Exceptions were found while updating samples");