From 5f90edad8d15ac40a1213f9364c9a76442444f00 Mon Sep 17 00:00:00 2001
From: Ceki Gulcu <ceki@qos.ch>
Date: Fri, 26 Feb 2016 22:25:36 +0100
Subject: [PATCH] fix SLF4J-359 by piggybacking on LoggerFactory thread safety

---
 .../src/main/java/org/slf4j/impl/JDK14LoggerFactory.java        | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/slf4j-jdk14/src/main/java/org/slf4j/impl/JDK14LoggerFactory.java b/slf4j-jdk14/src/main/java/org/slf4j/impl/JDK14LoggerFactory.java
index f251d987..741c0dd1 100644
--- a/slf4j-jdk14/src/main/java/org/slf4j/impl/JDK14LoggerFactory.java
+++ b/slf4j-jdk14/src/main/java/org/slf4j/impl/JDK14LoggerFactory.java
@@ -43,6 +43,8 @@ public class JDK14LoggerFactory implements ILoggerFactory {
 
     public JDK14LoggerFactory() {
         loggerMap = new ConcurrentHashMap<String, Logger>();
+        // ensure jul initialization. see also SLF4J-359
+        java.util.logging.LogManager.getLogManager();
     }
 
     /*