From d986b552b2776032065adee734b627280581bd1e Mon Sep 17 00:00:00 2001
From: Tomas Hofman <thofman@redhat.com>
Date: Thu, 13 Feb 2020 16:52:08 +0100
Subject: [PATCH] Prevent a shutdown hook from being removed in JaegerTracer
 when a shutdown is in progress

Signed-off-by: Tomas Hofman <thofman@redhat.com>
---
 .../src/main/java/io/jaegertracing/internal/JaegerTracer.java    | 1 +
 1 file changed, 1 insertion(+)

diff --git a/jaeger-core/src/main/java/io/jaegertracing/internal/JaegerTracer.java b/jaeger-core/src/main/java/io/jaegertracing/internal/JaegerTracer.java
index fcc2a2704..2892c4297 100644
--- a/jaeger-core/src/main/java/io/jaegertracing/internal/JaegerTracer.java
+++ b/jaeger-core/src/main/java/io/jaegertracing/internal/JaegerTracer.java
@@ -133,6 +133,7 @@ protected JaegerTracer(JaegerTracer.Builder builder) {
       shutdownHook = new Thread() {
         @Override
         public void run() {
+          shutdownHook = null;
           JaegerTracer.this.close();
         }
       };