Replace commons-logging with jcl-over-slf4j
diff --git a/tika-app/pom.xml b/tika-app/pom.xml
index b44192c..e9d6242 100644
--- a/tika-app/pom.xml
+++ b/tika-app/pom.xml
@@ -85,6 +85,10 @@
       <groupId>org.slf4j</groupId>
       <artifactId>jcl-over-slf4j</artifactId>
     </dependency>
+    <dependency>
+      <groupId>org.slf4j</groupId>
+      <artifactId>log4j-over-slf4j</artifactId>
+    </dependency>
   </dependencies>
 
   <build>
diff --git a/tika-example/pom.xml b/tika-example/pom.xml
index 140feb9..52fdb55 100644
--- a/tika-example/pom.xml
+++ b/tika-example/pom.xml
@@ -82,6 +82,10 @@
           <groupId>org.apache.tika</groupId>
           <artifactId>tika-core</artifactId>
         </exclusion>
+        <exclusion>
+          <groupId>commons-logging</groupId>
+          <artifactId>commons-logging</artifactId>
+        </exclusion>
       </exclusions>
     </dependency>
     <dependency>
diff --git a/tika-parsers/tika-parsers-extended/tika-parser-scientific-module/pom.xml b/tika-parsers/tika-parsers-extended/tika-parser-scientific-module/pom.xml
index 3314eea..df7babc 100644
--- a/tika-parsers/tika-parsers-extended/tika-parser-scientific-module/pom.xml
+++ b/tika-parsers/tika-parsers-extended/tika-parser-scientific-module/pom.xml
@@ -70,6 +70,10 @@
           <groupId>net.sf.ehcache</groupId>
           <artifactId>ehcache-core</artifactId>
         </exclusion>
+        <exclusion>
+          <groupId>commons-logging</groupId>
+          <artifactId>commons-logging</artifactId>
+        </exclusion>
       </exclusions>
     </dependency>
     <dependency>
@@ -81,6 +85,10 @@
           <groupId>org.jsoup</groupId>
           <artifactId>jsoup</artifactId>
         </exclusion>
+        <exclusion>
+          <groupId>commons-logging</groupId>
+          <artifactId>commons-logging</artifactId>
+        </exclusion>
       </exclusions>
     </dependency>
     <!-- TIKA-3095: Required for grib -->
diff --git a/tika-parsers/tika-parsers-ml/tika-parser-advancedmedia-module/pom.xml b/tika-parsers/tika-parsers-ml/tika-parser-advancedmedia-module/pom.xml
index 884e6bd..ff21aa7 100644
--- a/tika-parsers/tika-parsers-ml/tika-parser-advancedmedia-module/pom.xml
+++ b/tika-parsers/tika-parsers-ml/tika-parser-advancedmedia-module/pom.xml
@@ -45,6 +45,12 @@
     <dependency>
       <groupId>org.apache.httpcomponents</groupId>
       <artifactId>httpclient</artifactId>
+      <exclusions>
+        <exclusion>
+          <groupId>commons-logging</groupId>
+          <artifactId>commons-logging</artifactId>
+        </exclusion>
+      </exclusions>
     </dependency>
     <dependency>
       <groupId>org.apache.httpcomponents</groupId>
@@ -57,6 +63,12 @@
     <dependency>
       <groupId>org.apache.httpcomponents</groupId>
       <artifactId>httpmime</artifactId>
+      <exclusions>
+        <exclusion>
+          <groupId>commons-logging</groupId>
+          <artifactId>commons-logging</artifactId>
+        </exclusion>
+      </exclusions>
     </dependency>
     <dependency>
       <groupId>com.github.openjson</groupId>
diff --git a/tika-parsers/tika-parsers-ml/tika-parser-nlp-module/pom.xml b/tika-parsers/tika-parsers-ml/tika-parser-nlp-module/pom.xml
index 0015451..0c1785e 100644
--- a/tika-parsers/tika-parsers-ml/tika-parser-nlp-module/pom.xml
+++ b/tika-parsers/tika-parsers-ml/tika-parser-nlp-module/pom.xml
@@ -84,6 +84,12 @@
     <dependency>
       <groupId>org.apache.httpcomponents</groupId>
       <artifactId>httpclient</artifactId>
+      <exclusions>
+        <exclusion>
+          <groupId>commons-logging</groupId>
+          <artifactId>commons-logging</artifactId>
+        </exclusion>
+      </exclusions>
     </dependency>
     <dependency>
       <groupId>org.apache.httpcomponents</groupId>
@@ -144,6 +150,11 @@
 
     <dependency>
       <groupId>org.slf4j</groupId>
+      <artifactId>jcl-over-slf4j</artifactId>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.slf4j</groupId>
       <artifactId>log4j-over-slf4j</artifactId>
       <version>${slf4j.version}</version>
       <scope>test</scope>
diff --git a/tika-parsers/tika-parsers-ml/tika-transcribe-aws/pom.xml b/tika-parsers/tika-parsers-ml/tika-transcribe-aws/pom.xml
index fdb4227..718bb27 100644
--- a/tika-parsers/tika-parsers-ml/tika-transcribe-aws/pom.xml
+++ b/tika-parsers/tika-parsers-ml/tika-transcribe-aws/pom.xml
@@ -40,11 +40,23 @@
       <groupId>com.amazonaws</groupId>
       <artifactId>aws-java-sdk-transcribe</artifactId>
       <version>${aws.version}</version>
+      <exclusions>
+        <exclusion>
+          <groupId>commons-logging</groupId>
+          <artifactId>commons-logging</artifactId>
+        </exclusion>
+      </exclusions>
     </dependency>
     <dependency>
       <groupId>com.amazonaws</groupId>
       <artifactId>aws-java-sdk-s3</artifactId>
       <version>${aws.version}</version>
+      <exclusions>
+        <exclusion>
+          <groupId>commons-logging</groupId>
+          <artifactId>commons-logging</artifactId>
+        </exclusion>
+      </exclusions>
     </dependency>
     <dependency>
       <groupId>com.googlecode.json-simple</groupId>
diff --git a/tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/pom.xml b/tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/pom.xml
index d7b5bbe..43be87b 100644
--- a/tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/pom.xml
+++ b/tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/pom.xml
@@ -40,6 +40,31 @@
       <artifactId>tika-core</artifactId>
       <scope>provided</scope>
     </dependency>
+    <dependency>
+      <groupId>org.slf4j</groupId>
+      <artifactId>jcl-over-slf4j</artifactId>
+      <scope>provided</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.slf4j</groupId>
+      <artifactId>jul-to-slf4j</artifactId>
+      <scope>provided</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.slf4j</groupId>
+      <artifactId>log4j-over-slf4j</artifactId>
+      <scope>provided</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.logging.log4j</groupId>
+      <artifactId>log4j-core</artifactId>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.logging.log4j</groupId>
+      <artifactId>log4j-slf4j2-impl</artifactId>
+      <scope>test</scope>
+    </dependency>
   </dependencies>
 
   <modules>
diff --git a/tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/tika-parser-font-module/pom.xml b/tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/tika-parser-font-module/pom.xml
index 67b5e0e..0e5751c 100644
--- a/tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/tika-parser-font-module/pom.xml
+++ b/tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/tika-parser-font-module/pom.xml
@@ -38,6 +38,12 @@
       <groupId>org.apache.pdfbox</groupId>
       <artifactId>fontbox</artifactId>
       <version>${pdfbox.version}</version>
+      <exclusions>
+        <exclusion>
+          <groupId>commons-logging</groupId>
+          <artifactId>commons-logging</artifactId>
+        </exclusion>
+      </exclusions>
     </dependency>
   </dependencies>
 
diff --git a/tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/tika-parser-microsoft-module/pom.xml b/tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/tika-parser-microsoft-module/pom.xml
index 6111290..a170d6e 100644
--- a/tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/tika-parser-microsoft-module/pom.xml
+++ b/tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/tika-parser-microsoft-module/pom.xml
@@ -88,6 +88,12 @@
     <dependency>
       <groupId>com.healthmarketscience.jackcess</groupId>
       <artifactId>jackcess</artifactId>
+      <exclusions>
+        <exclusion>
+          <groupId>commons-logging</groupId>
+          <artifactId>commons-logging</artifactId>
+        </exclusion>
+      </exclusions>
     </dependency>
     <dependency>
       <groupId>com.healthmarketscience.jackcess</groupId>
@@ -101,6 +107,7 @@
       <groupId>org.bouncycastle</groupId>
       <artifactId>bcprov-jdk18on</artifactId>
     </dependency>
+
     <!-- logging -->
     <dependency>
       <groupId>org.apache.logging.log4j</groupId>
@@ -112,6 +119,11 @@
       <artifactId>log4j-slf4j2-impl</artifactId>
       <scope>test</scope>
     </dependency>
+    <dependency>
+      <groupId>org.slf4j</groupId>
+      <artifactId>jcl-over-slf4j</artifactId>
+      <scope>test</scope>
+    </dependency>
   </dependencies>
 
   <build>
diff --git a/tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/tika-parser-pdf-module/pom.xml b/tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/tika-parser-pdf-module/pom.xml
index 38be3cf..4fc885b 100644
--- a/tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/tika-parser-pdf-module/pom.xml
+++ b/tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/tika-parser-pdf-module/pom.xml
@@ -43,6 +43,12 @@
       <groupId>org.apache.pdfbox</groupId>
       <artifactId>pdfbox</artifactId>
       <version>${pdfbox.version}</version>
+      <exclusions>
+        <exclusion>
+          <groupId>commons-logging</groupId>
+          <artifactId>commons-logging</artifactId>
+        </exclusion>
+      </exclusions>
     </dependency>
     <dependency>
       <groupId>org.apache.pdfbox</groupId>
diff --git a/tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/tika-parser-xmp-commons/pom.xml b/tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/tika-parser-xmp-commons/pom.xml
index d275a67..e68f7ad 100644
--- a/tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/tika-parser-xmp-commons/pom.xml
+++ b/tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/tika-parser-xmp-commons/pom.xml
@@ -43,6 +43,12 @@
       <groupId>org.apache.pdfbox</groupId>
       <artifactId>xmpbox</artifactId>
       <version>${pdfbox.version}</version>
+      <exclusions>
+        <exclusion>
+          <groupId>commons-logging</groupId>
+          <artifactId>commons-logging</artifactId>
+        </exclusion>
+      </exclusions>
     </dependency>
   </dependencies>
 
diff --git a/tika-pipes/tika-emitters/tika-emitter-s3/pom.xml b/tika-pipes/tika-emitters/tika-emitter-s3/pom.xml
index 5a499b8..406c07d 100644
--- a/tika-pipes/tika-emitters/tika-emitter-s3/pom.xml
+++ b/tika-pipes/tika-emitters/tika-emitter-s3/pom.xml
@@ -49,6 +49,12 @@
     <dependency>
       <groupId>com.amazonaws</groupId>
       <artifactId>aws-java-sdk-s3</artifactId>
+      <exclusions>
+        <exclusion>
+          <groupId>commons-logging</groupId>
+          <artifactId>commons-logging</artifactId>
+        </exclusion>
+      </exclusions>
     </dependency>
 
     <dependency>
@@ -56,6 +62,11 @@
       <artifactId>log4j-slf4j2-impl</artifactId>
       <scope>provided</scope>
     </dependency>
+    <dependency>
+      <groupId>org.slf4j</groupId>
+      <artifactId>jcl-over-slf4j</artifactId>
+      <scope>provided</scope>
+    </dependency>
   </dependencies>
 
   <build>
diff --git a/tika-pipes/tika-fetchers/tika-fetcher-http/pom.xml b/tika-pipes/tika-fetchers/tika-fetcher-http/pom.xml
index 7b2a9c4..dabece5 100644
--- a/tika-pipes/tika-fetchers/tika-fetcher-http/pom.xml
+++ b/tika-pipes/tika-fetchers/tika-fetcher-http/pom.xml
@@ -48,6 +48,11 @@
       <artifactId>log4j-slf4j2-impl</artifactId>
       <scope>provided</scope>
     </dependency>
+    <dependency>
+      <groupId>org.slf4j</groupId>
+      <artifactId>jcl-over-slf4j</artifactId>
+      <scope>provided</scope>
+    </dependency>
 
     <!-- test dependencies -->
     <dependency>
diff --git a/tika-pipes/tika-fetchers/tika-fetcher-s3/pom.xml b/tika-pipes/tika-fetchers/tika-fetcher-s3/pom.xml
index 5e58921..999d804 100644
--- a/tika-pipes/tika-fetchers/tika-fetcher-s3/pom.xml
+++ b/tika-pipes/tika-fetchers/tika-fetcher-s3/pom.xml
@@ -42,6 +42,12 @@
     <dependency>
       <groupId>com.amazonaws</groupId>
       <artifactId>aws-java-sdk-s3</artifactId>
+      <exclusions>
+        <exclusion>
+          <groupId>commons-logging</groupId>
+          <artifactId>commons-logging</artifactId>
+        </exclusion>
+      </exclusions>
     </dependency>
 
     <dependency>
@@ -49,6 +55,11 @@
       <artifactId>log4j-slf4j2-impl</artifactId>
       <scope>provided</scope>
     </dependency>
+    <dependency>
+      <groupId>org.slf4j</groupId>
+      <artifactId>jcl-over-slf4j</artifactId>
+      <scope>provided</scope>
+    </dependency>
   </dependencies>
 
   <build>
diff --git a/tika-pipes/tika-httpclient-commons/pom.xml b/tika-pipes/tika-httpclient-commons/pom.xml
index 19253b8..93faa77 100644
--- a/tika-pipes/tika-httpclient-commons/pom.xml
+++ b/tika-pipes/tika-httpclient-commons/pom.xml
@@ -43,6 +43,12 @@
     <dependency>
       <groupId>org.apache.httpcomponents</groupId>
       <artifactId>httpclient</artifactId>
+      <exclusions>
+        <exclusion>
+          <groupId>commons-logging</groupId>
+          <artifactId>commons-logging</artifactId>
+        </exclusion>
+      </exclusions>
     </dependency>
   </dependencies>
 </project>
diff --git a/tika-pipes/tika-pipes-iterators/tika-pipes-iterator-s3/pom.xml b/tika-pipes/tika-pipes-iterators/tika-pipes-iterator-s3/pom.xml
index df45966..988f916 100644
--- a/tika-pipes/tika-pipes-iterators/tika-pipes-iterator-s3/pom.xml
+++ b/tika-pipes/tika-pipes-iterators/tika-pipes-iterator-s3/pom.xml
@@ -43,6 +43,12 @@
     <dependency>
       <groupId>com.amazonaws</groupId>
       <artifactId>aws-java-sdk-s3</artifactId>
+      <exclusions>
+        <exclusion>
+          <groupId>commons-logging</groupId>
+          <artifactId>commons-logging</artifactId>
+        </exclusion>
+      </exclusions>
     </dependency>
 
     <dependency>
@@ -50,6 +56,11 @@
       <artifactId>log4j-slf4j2-impl</artifactId>
       <scope>provided</scope>
     </dependency>
+    <dependency>
+      <groupId>org.slf4j</groupId>
+      <artifactId>jcl-over-slf4j</artifactId>
+      <scope>provided</scope>
+    </dependency>
   </dependencies>
 
   <build>