From 9e3d79bedeee494d24bdb03cc598bae5184a3abf Mon Sep 17 00:00:00 2001
From: Oleg Kalnichevski <olegk@apache.org>
Date: Sun, 10 Dec 2023 12:40:50 +0100
Subject: [PATCH] Fixed NPE in debug log

---
 .../http/impl/io/PoolingHttpClientConnectionManager.java    | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/httpclient5/src/main/java/org/apache/hc/client5/http/impl/io/PoolingHttpClientConnectionManager.java b/httpclient5/src/main/java/org/apache/hc/client5/http/impl/io/PoolingHttpClientConnectionManager.java
index 105cbc88a..7e816909a 100644
--- a/httpclient5/src/main/java/org/apache/hc/client5/http/impl/io/PoolingHttpClientConnectionManager.java
+++ b/httpclient5/src/main/java/org/apache/hc/client5/http/impl/io/PoolingHttpClientConnectionManager.java
@@ -409,7 +409,11 @@ public class PoolingHttpClientConnectionManager
                 }
             } else {
                 if (LOG.isDebugEnabled()) {
-                    LOG.debug("{} connection is not kept alive(isConsistent:{})", ConnPoolSupport.getId(endpoint), conn.isConsistent());
+                    if (conn != null && !conn.isConsistent()) {
+                        LOG.debug("{} connection is in an inconsistent state and cannot be kept alive)", ConnPoolSupport.getId(endpoint));
+                    } else {
+                        LOG.debug("{} connection is not kept alive)", ConnPoolSupport.getId(endpoint));
+                    }
                 }
             }
         } catch (final RuntimeException ex) {