File _service:tar_scm:CVE-2020-1938-5.patch of Package tomcat

From 49ad3f954f69c6e838c8cd112ad79aa5fa8e7153 Mon Sep 17 00:00:00 2001
From: Mark Thomas <markt@apache.org>
Date: Wed, 5 Feb 2020 14:47:48 +0000
Subject: [PATCH] Refactor secret check

Moving the check to start allows invalid configurations to be fixed via
JMX and changes to be made followed by stop()/start() for those changes
to take effect.
---
 java/org/apache/coyote/ajp/AbstractAjpProtocol.java | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/java/org/apache/coyote/ajp/AbstractAjpProtocol.java b/java/org/apache/coyote/ajp/AbstractAjpProtocol.java
index 63ff6c5a63..7cfdf0accf 100644
--- a/java/org/apache/coyote/ajp/AbstractAjpProtocol.java
+++ b/java/org/apache/coyote/ajp/AbstractAjpProtocol.java
@@ -257,13 +257,13 @@ protected Processor createUpgradeProcessor(SocketWrapperBase<?> socket,
 
 
     @Override
-    public void init() throws Exception {
+    public void start() throws Exception {
         if (getSecretRequired()) {
             String secret = getSecret();
             if (secret == null || secret.length() == 0) {
                 throw new IllegalArgumentException(sm.getString("ajpprotocol.nosecret"));
             }
         }
-        super.init();
+        super.start();
     }
 }