X-Git-Url: https://gerrit.onap.org/r/gitweb?a=blobdiff_plain;f=aai-core%2Fsrc%2Fmain%2Fjava%2Forg%2Fonap%2Faai%2Flogging%2FLogFormatTools.java;h=d91ba19d02800e66022fd0bb6ac35e22322a5693;hb=a86d6a6644d6de3f3f814cd6e25cfe2213d5dd05;hp=482b445cfeaf818fa13a13ee30ca25bd49e02dc7;hpb=a395fa69a28a04d0a667fe458b4f10497a1d6794;p=aai%2Faai-common.git

diff --git a/aai-core/src/main/java/org/onap/aai/logging/LogFormatTools.java b/aai-core/src/main/java/org/onap/aai/logging/LogFormatTools.java
index 482b445c..d91ba19d 100644
--- a/aai-core/src/main/java/org/onap/aai/logging/LogFormatTools.java
+++ b/aai-core/src/main/java/org/onap/aai/logging/LogFormatTools.java
@@ -54,7 +54,10 @@ public class LogFormatTools {
 	 * @throws AAIException the AAI exception
 	 */
 	public static String getStackTop(Throwable e) {
-		StringBuffer stackMessage = new StringBuffer();
+	    // StringBuilder is more efficient than StringBuffer and should only
+		// StringBuffer is only supposed to be used if multiple threads are modifying
+		// the same object and since this object is created locally not necessary
+		StringBuilder stackMessage = new StringBuilder();
 		int maxStackTraceEntries = 10;
 		try {
 			maxStackTraceEntries = Integer.valueOf(AAIConfig.get(AAIConstants.LOGGING_MAX_STACK_TRACE_ENTRIES));