qos-ch · mihxil · Feb 13, 2026 · Feb 13, 2026
diff --git a/README.md b/README.md
@@ -6,7 +6,7 @@ logback, reload4j, log4j 2.x, logevents, penna, rainbowgum, tinylog)
 allowing the end user to plug in the desired logging framework at
 deployment time.
 
-More information can be found on the [SLF4J website](http://www.slf4j.org).
+More information can be found on the [SLF4J website](https://www.slf4j.org).
 
 # Search org.slf4j artifacts on Maven Central
 [![Maven Central](https://img.shields.io/badge/Search%20org%2Eslf4j%20artifacts%20on%20Maven%20Central-2.0.x-green)](https://central.sonatype.com/search?namespace=org.slf4j) 
@@ -43,7 +43,7 @@ community looks forward to your contribution. Please follow this
 process:
 
 1. Start a discussion on the [slf4j-dev mailing
-list](http://www.slf4j.org/mailing-lists.html) about your proposed
+list](https://www.slf4j.org/mailing-lists.html) about your proposed
 change. Alternately, file a [bug
 report](https://github.com/qos-ch/slf4j/issues) on github to initiate the
 discussion. 

diff --git a/integration/pom.xml b/integration/pom.xml
@@ -15,7 +15,7 @@
   <packaging>jar</packaging>
   <name>SLF4J Integration tests</name>
 
-  <url>http://www.slf4j.org</url>
+  <url>https://www.slf4j.org</url>
   <description>SLF4J integration tests</description>
 
   <properties>

diff --git a/integration/src/test/java/org/slf4j/IncompatibleMultiBindingAssertionTest.java b/integration/src/test/java/org/slf4j/IncompatibleMultiBindingAssertionTest.java
@@ -64,7 +64,7 @@ public void smoke() throws Exception {
         assertMsgContains(list, 0, "Class path contains multiple SLF4J bindings.");
         assertMsgContains(list, 1, "Found binding in");
         assertMsgContains(list, 2, "Found binding in");
-        assertMsgContains(list, 3, "See http://www.slf4j.org/codes.html");
+        assertMsgContains(list, 3, "See https://www.slf4j.org/codes.html");
         assertMsgContains(list, 4, "slf4j-api 1.6.x (or later) is incompatible with this binding");
         assertMsgContains(list, 5, "Your binding is version 1.5.5 or earlier.");
 

diff --git a/integration/src/test/java/org/slf4j/OutputVerifier.java b/integration/src/test/java/org/slf4j/OutputVerifier.java
@@ -12,11 +12,11 @@ static void noProvider(StringPrintStream sps) {
         // expected output: (version 1.8)
         // SLF4J: No SLF4J providers were found.
         // SLF4J: Defaulting to no-operation (NOP) logger implementation
-        // SLF4J: See http://www.slf4j.org/codes.html#noProviders for further details.
+        // SLF4J: See https://www.slf4j.org/codes.html#noProviders for further details.
         // SLF4J: Class path contains SLF4J bindings targeting slf4j-api versions prior to 1.8.
         // SLF4J: Ignoring binding found at
         // [jar:file:..../slf4j-simple-1.4.2.jar!/org/slf4j/impl/StaticLoggerBinder.class]
-        // SLF4J: See http://www.slf4j.org/codes.html#ignoredBindings for an explanation.
+        // SLF4J: See https://www.slf4j.org/codes.html#ignoredBindings for an explanation.
 
         {
             String s = (String) sps.stringList.get(0);

diff --git a/jcl-over-slf4j/pom.xml b/jcl-over-slf4j/pom.xml
@@ -15,7 +15,7 @@
   <packaging>jar</packaging>
   <name>JCL 1.2 implemented over SLF4J</name>
   <description>JCL 1.2 implemented over SLF4J</description>
-  <url>http://www.slf4j.org</url>
+  <url>https://www.slf4j.org</url>
 
   <licenses>
     <license>

diff --git a/jcl-over-slf4j/src/main/java/org/apache/commons/logging/LogFactory.java b/jcl-over-slf4j/src/main/java/org/apache/commons/logging/LogFactory.java
@@ -36,7 +36,7 @@
 @SuppressWarnings("rawtypes")
 public abstract class LogFactory {
 
-    static String UNSUPPORTED_OPERATION_IN_JCL_OVER_SLF4J = "http://www.slf4j.org/codes.html#unsupported_operation_in_jcl_over_slf4j";
+    static String UNSUPPORTED_OPERATION_IN_JCL_OVER_SLF4J = "https://www.slf4j.org/codes.html#unsupported_operation_in_jcl_over_slf4j";
 
     static LogFactory logFactory = new SLF4JLogFactory();
 

diff --git a/jcl-over-slf4j/src/main/java/org/apache/commons/logging/impl/SLF4JLogFactory.java b/jcl-over-slf4j/src/main/java/org/apache/commons/logging/impl/SLF4JLogFactory.java
@@ -178,7 +178,7 @@ public void release() {
         // is possible for the parent class loader to mask the classes shipping
         // in jcl-over-slf4j.jar.
         System.out.println("WARN: The method " + SLF4JLogFactory.class + "#release() was invoked.");
-        System.out.println("WARN: Please see http://www.slf4j.org/codes.html#release for an explanation.");
+        System.out.println("WARN: Please see https://www.slf4j.org/codes.html#release for an explanation.");
         System.out.flush();
     }
 

diff --git a/jul-to-slf4j/pom.xml b/jul-to-slf4j/pom.xml
@@ -17,7 +17,7 @@
   <name>JUL to SLF4J bridge</name>
   <description>JUL to SLF4J bridge</description>
 
-  <url>http://www.slf4j.org</url>
+  <url>https://www.slf4j.org</url>
 
   <dependencies>
     <dependency>

diff --git a/log4j-over-slf4j/pom.xml b/log4j-over-slf4j/pom.xml
@@ -17,7 +17,7 @@
   <name>Log4j Implemented Over SLF4J</name>
   <description>Log4j implemented over SLF4J</description>
 
-  <url>http://www.slf4j.org</url>
+  <url>https://www.slf4j.org</url>
 
   <licenses>
     <license>

diff --git a/osgi-over-slf4j/pom.xml b/osgi-over-slf4j/pom.xml
@@ -16,7 +16,7 @@
   <packaging>jar</packaging>
   <name>OSGi LogService implemented over SLF4J</name>
 
-  <url>http://www.slf4j.org</url>
+  <url>https://www.slf4j.org</url>
   <description>
     OSGi LogService implementation over SLF4J
   </description>

diff --git a/pom.xml b/pom.xml
@@ -9,7 +9,7 @@
   <version>2.0.18-SNAPSHOT</version>
   <packaging>pom</packaging>
 
-  <url>http://www.slf4j.org</url>
+  <url>https://www.slf4j.org</url>
 
   <name>SLF4J BOM</name>
   <description>SLF4J project BOM</description>

diff --git a/slf4j-api/pom.xml b/slf4j-api/pom.xml
@@ -17,7 +17,7 @@
   <name>SLF4J API Module</name>
   <description>The slf4j API</description>
 
-  <url>http://www.slf4j.org</url>
+  <url>https://www.slf4j.org</url>
 
   <properties>
     <module-name>org.slf4j</module-name>

diff --git a/slf4j-api/src/main/java/org/slf4j/LoggerFactory.java b/slf4j-api/src/main/java/org/slf4j/LoggerFactory.java
@@ -465,7 +465,7 @@ public static Logger getLogger(String name) {
      *
      *
      * @see <a
-     *      href="http://www.slf4j.org/codes.html#loggerNameMismatch">Detected
+     *      href="https://www.slf4j.org/codes.html#loggerNameMismatch">Detected
      *      logger name mismatch</a>
      */
     public static Logger getLogger(Class<?> clazz) {

diff --git a/slf4j-api/src/main/java/org/slf4j/MDC.java b/slf4j-api/src/main/java/org/slf4j/MDC.java
@@ -62,9 +62,9 @@
  */
 public class MDC {
 
-    static final String NULL_MDCA_URL = "http://www.slf4j.org/codes.html#null_MDCA";
+    static final String NULL_MDCA_URL = "https://www.slf4j.org/codes.html#null_MDCA";
     private static final String MDC_ADAPTER_CANNOT_BE_NULL_MESSAGE = "MDCAdapter cannot be null. See also " + NULL_MDCA_URL;
-    static final String NO_STATIC_MDC_BINDER_URL = "http://www.slf4j.org/codes.html#no_static_mdc_binder";
+    static final String NO_STATIC_MDC_BINDER_URL = "https://www.slf4j.org/codes.html#no_static_mdc_binder";
     static MDCAdapter MDC_ADAPTER;
 
     /**

diff --git a/slf4j-api/src/main/java/org/slf4j/helpers/SubstituteLogger.java b/slf4j-api/src/main/java/org/slf4j/helpers/SubstituteLogger.java
@@ -40,7 +40,7 @@
  * A logger implementation which logs via a delegate logger. By default, the delegate is a
  * {@link NOPLogger}. However, a different delegate can be set at any time.
  * 
- * <p>See also the <a href="http://www.slf4j.org/codes.html#substituteLogger">relevant
+ * <p>See also the <a href="https://www.slf4j.org/codes.html#substituteLogger">relevant
  * error code</a> documentation.
  *
  * @author Chetan Mehrotra

diff --git a/slf4j-ext/pom.xml b/slf4j-ext/pom.xml
@@ -17,7 +17,7 @@
   <name>SLF4J Extensions Module</name>
   <description>Extensions to the SLF4J API</description>
 
-  <url>http://www.slf4j.org</url>
+  <url>https://www.slf4j.org</url>
 
   <dependencies>
     <dependency>

diff --git a/slf4j-jdk14/pom.xml b/slf4j-jdk14/pom.xml
@@ -15,7 +15,7 @@
   <packaging>jar</packaging>
   <name>SLF4J JDK14 Provider</name>
   <description>SLF4J JDK14 Provider</description>
-  <url>http://www.slf4j.org</url>
+  <url>https://www.slf4j.org</url>
 
   <properties>
     <module-name>org.slf4j.jul</module-name>

diff --git a/slf4j-log4j12/pom.xml b/slf4j-log4j12/pom.xml
@@ -17,7 +17,7 @@
 
   <name>SLF4J LOG4J-12 Binding relocated</name>
   <description>SLF4J LOG4J-12 relocated to slf4j-reload4j</description>
-  <url>http://www.slf4j.org</url>
+  <url>https://www.slf4j.org</url>
 
 
   <distributionManagement>

diff --git a/slf4j-nop/pom.xml b/slf4j-nop/pom.xml
@@ -16,7 +16,7 @@
   <packaging>jar</packaging>
   <name>SLF4J NOP Provider</name>
   <description>SLF4J NOP Provider</description>
-  <url>http://www.slf4j.org</url>
+  <url>https://www.slf4j.org</url>
 
   <properties>
     <module-name>org.slf4j.nop</module-name>

diff --git a/slf4j-reload4j/pom.xml b/slf4j-reload4j/pom.xml
@@ -17,7 +17,7 @@
   <packaging>jar</packaging>
   <name>SLF4J Reload4j Provider</name>
   <description>SLF4J Reload4j Provider</description>
-  <url>http://reload4j.qos.ch</url>
+  <url>https://reload4j.qos.ch</url>
 
   <properties>
     <slf4j.provider.implementation>org.slf4j.reload4j.Reload4jServiceProvider</slf4j.provider.implementation>

diff --git a/slf4j-reload4j/src/main/java/org/slf4j/reload4j/Reload4jLoggerFactory.java b/slf4j-reload4j/src/main/java/org/slf4j/reload4j/Reload4jLoggerFactory.java
@@ -41,7 +41,7 @@
  */
 public class Reload4jLoggerFactory implements ILoggerFactory {
 
-    private static final String LOG4J_DELEGATION_LOOP_URL = "http://www.slf4j.org/codes.html#log4jDelegationLoop";
+    private static final String LOG4J_DELEGATION_LOOP_URL = "https://www.slf4j.org/codes.html#log4jDelegationLoop";
 
     // check for delegation loops
     static {

diff --git a/slf4j-reload4j/src/main/java/org/slf4j/reload4j/Reload4jServiceProvider.java b/slf4j-reload4j/src/main/java/org/slf4j/reload4j/Reload4jServiceProvider.java
@@ -34,7 +34,7 @@ public Reload4jServiceProvider() {
             @SuppressWarnings("unused")
             Level level = Level.TRACE;
         } catch (NoSuchFieldError nsfe) {
-            Reporter.error("This version of SLF4J requires log4j version 1.2.12 or later. See also http://www.slf4j.org/codes.html#log4j_version");
+            Reporter.error("This version of SLF4J requires log4j version 1.2.12 or later. See also https://www.slf4j.org/codes.html#log4j_version");
         }
     }
 

diff --git a/slf4j-simple/pom.xml b/slf4j-simple/pom.xml
@@ -15,7 +15,7 @@
   <packaging>jar</packaging>
   <name>SLF4J Simple Provider</name>
   <description>SLF4J Simple Provider</description>
-  <url>http://www.slf4j.org</url>
+  <url>https://www.slf4j.org</url>
 
   <properties>
     <module-name>org.slf4j.simple</module-name>