diff --git a/.gitignore b/.gitignore
index b2c01ef..6227b0f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -15,3 +15,4 @@
 .idea/*
 */.idea
 /target/
+*.log
diff --git a/README.md b/README.md
index 7035cee..0368600 100644
--- a/README.md
+++ b/README.md
@@ -1,12 +1,12 @@
 # Apache Creadur Tentacles
 
 [![ASF Build Status](https://ci-builds.apache.org/job/Creadur/job/Creadur-Tentacles/badge/icon)](https://ci-builds.apache.org/job/Creadur/job/Creadur-Tentacles/)
-[![Travis Build Status](https://api.travis-ci.com/apache/creadur-tentacles.svg?branch=master)](https://travis-ci.com/apache/creadur-tentacles)
+[![Travis Build Status](https://app.travis-ci.com/apache/creadur-tentacles.svg?branch=master)](https://app.travis-ci.com/apache/creadur-tentacles)
 
-# Running
+# Running with at least JDK8
 
 The tool will download all the archives from a staging repo, unpack
-them and create a little report of what is there.
+them and create a little report of what is there. 
 
     java -ea -jar apache-tentacles-0.1-SNAPSHOT.jar https://repository.apache.org/content/repositories/orgapacheopenejb-090
 
diff --git a/pom.xml b/pom.xml
index 68e7cc8..63f9ca0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -32,7 +32,7 @@
     <dependency>
       <groupId>org.apache.maven.skins</groupId>
       <artifactId>maven-fluido-skin</artifactId>
-      <version>1.9</version>
+      <version>1.10.0</version>
     </dependency>
     <dependency>
       <groupId>org.apache.rat</groupId>
@@ -50,9 +50,14 @@
       <version>2.13.1</version>
     </dependency>
     <dependency>
-      <groupId>log4j</groupId>
-      <artifactId>log4j</artifactId>
-      <version>1.2.17</version>
+      <groupId>org.apache.logging.log4j</groupId>
+      <artifactId>log4j-api</artifactId>
+      <version>2.17.0</version>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.logging.log4j</groupId>
+      <artifactId>log4j-core</artifactId>
+      <version>2.17.0</version>
     </dependency>
     <dependency>
       <groupId>org.apache.velocity</groupId>
@@ -60,6 +65,11 @@
       <version>1.7</version>
     </dependency>
     <dependency>
+      <groupId>javax.xml.bind</groupId>
+      <artifactId>jaxb-api</artifactId>
+      <version>2.3.1</version>
+    </dependency>
+    <dependency>
       <groupId>org.codehaus.swizzle</groupId>
       <artifactId>swizzle-stream</artifactId>
       <version>1.6.2</version>
@@ -102,11 +112,12 @@
     </mailingList>
   </mailingLists>
   <build>
-    <defaultGoal>clean install</defaultGoal>
+    <defaultGoal>clean versions:display-dependency-updates versions:display-plugin-updates enforcer:display-info install</defaultGoal>
     <plugins>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-compiler-plugin</artifactId>
+        <version>3.8.1</version>
         <configuration>
           <source>${javaVersion}</source>
           <target>${javaVersion}</target>
@@ -115,6 +126,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-enforcer-plugin</artifactId>
+        <version>3.0.0</version>
         <executions>
           <execution>
             <!-- This checks the bytecode version of the dependencies transitively -->
@@ -127,6 +139,9 @@
                 <enforceBytecodeVersion>
                   <maxJdkVersion>${javaVersion}</maxJdkVersion>
                 </enforceBytecodeVersion>
+                <requireMavenVersion>
+                  <version>3.0.5</version>
+                </requireMavenVersion>
               </rules>
               <fail>true</fail>
             </configuration>
@@ -136,7 +151,7 @@
           <dependency>
             <groupId>org.codehaus.mojo</groupId>
             <artifactId>extra-enforcer-rules</artifactId>
-            <version>1.0-beta-5</version>
+            <version>1.5.1</version>
           </dependency>
         </dependencies>
       </plugin>
@@ -193,7 +208,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-site-plugin</artifactId>
-        <version>3.9.1</version>
+        <version>3.10.0</version>
         <configuration>
           <outputEncoding>${project.build.sourceEncoding}</outputEncoding>
           <inputEncoding>${project.build.sourceEncoding}</inputEncoding>
diff --git a/src/main/java/org/apache/creadur/tentacles/IOSystem.java b/src/main/java/org/apache/creadur/tentacles/IOSystem.java
index 4232b93..a242892 100644
--- a/src/main/java/org/apache/creadur/tentacles/IOSystem.java
+++ b/src/main/java/org/apache/creadur/tentacles/IOSystem.java
@@ -16,117 +16,109 @@
  */
 package org.apache.creadur.tentacles;
 
-import org.apache.log4j.Logger;
-
+import org.apache.logging.log4j.*;
 import java.io.*;
 import java.net.URL;
 import java.util.zip.ZipInputStream;
 
-/**
- * @version $Rev$ $Date$
- */
 public class IOSystem {
-    private static final Logger LOG = Logger.getLogger(IOSystem.class);
+	private static final Logger LOG = LogManager.getLogger(IOSystem.class);
 
-    public String slurp(final File file) throws IOException {
-        final ByteArrayOutputStream out = new ByteArrayOutputStream();
-        copy(file, out);
-        return new String(out.toByteArray());
-    }
+	public String slurp(final File file) throws IOException {
+		final ByteArrayOutputStream out = new ByteArrayOutputStream();
+		copy(file, out);
+		return new String(out.toByteArray());
+	}
 
-    public String slurp(final URL url) throws IOException {
-        final ByteArrayOutputStream out = new ByteArrayOutputStream();
-        copy(url.openStream(), out);
-        return new String(out.toByteArray());
-    }
+	public String slurp(final URL url) throws IOException {
+		final ByteArrayOutputStream out = new ByteArrayOutputStream();
+		copy(url.openStream(), out);
+		return new String(out.toByteArray());
+	}
 
-    public void writeString(final File file, final String string)
-            throws IOException {
-        final FileWriter out = new FileWriter(file);
-        try {
-            final BufferedWriter bufferedWriter = new BufferedWriter(out);
-            try {
-                bufferedWriter.write(string);
-                bufferedWriter.newLine();
-            } finally {
-                close(bufferedWriter);
-            }
-        } finally {
-            close(out);
-        }
-    }
+	public void writeString(final File file, final String string) throws IOException {
+		final FileWriter out = new FileWriter(file);
+		try {
+			final BufferedWriter bufferedWriter = new BufferedWriter(out);
+			try {
+				bufferedWriter.write(string);
+				bufferedWriter.newLine();
+			} finally {
+				close(bufferedWriter);
+			}
+		} finally {
+			close(out);
+		}
+	}
 
-    private void copy(final File from, final OutputStream to)
-            throws IOException {
-        final InputStream read = read(from);
-        try {
-            copy(read, to);
-        } finally {
-            close(read);
-        }
-    }
+	private void copy(final File from, final OutputStream to) throws IOException {
+		final InputStream read = read(from);
+		try {
+			copy(read, to);
+		} finally {
+			close(read);
+		}
+	}
 
-    public void copy(final InputStream from, final File to) throws IOException {
-        final OutputStream write = write(to);
-        try {
-            copy(from, write);
-        } finally {
-            close(write);
-        }
-    }
+	public void copy(final InputStream from, final File to) throws IOException {
+		final OutputStream write = write(to);
+		try {
+			copy(from, write);
+		} finally {
+			close(write);
+		}
+	}
 
-    private void copy(final InputStream from, final OutputStream to)
-            throws IOException {
-        final byte[] buffer = new byte[1024];
-        int length = 0;
-        while ((length = from.read(buffer)) != -1) {
-            to.write(buffer, 0, length);
-        }
-        to.flush();
-    }
+	private void copy(final InputStream from, final OutputStream to) throws IOException {
+		final byte[] buffer = new byte[1024];
+		int length = 0;
+		while ((length = from.read(buffer)) != -1) {
+			to.write(buffer, 0, length);
+		}
+		to.flush();
+	}
 
-    public void copy(final byte[] from, final File to) throws IOException {
-        copy(new ByteArrayInputStream(from), to);
-    }
+	public void copy(final byte[] from, final File to) throws IOException {
+		copy(new ByteArrayInputStream(from), to);
+	}
 
-    public ZipInputStream unzip(final File file) throws IOException {
-        final InputStream read = read(file);
-        return new ZipInputStream(read);
-    }
+	public ZipInputStream unzip(final File file) throws IOException {
+		final InputStream read = read(file);
+		return new ZipInputStream(read);
+	}
 
-    public void close(final Closeable closeable) throws IOException {
-        if (closeable == null) {
-            return;
-        }
-        try {
-            if (closeable instanceof Flushable) {
-                ((Flushable) closeable).flush();
-            }
-        } catch (final IOException e) {
-        	LOG.trace("Error when trying to flush before closing " + closeable, e);
-        }
-        try {
-            closeable.close();
-        } catch (final IOException e) {
-        	LOG.trace("Error when trying to close " + closeable, e);
-        }
-    }
+	public void close(final Closeable closeable) throws IOException {
+		if (closeable == null) {
+			return;
+		}
+		try {
+			if (closeable instanceof Flushable) {
+				((Flushable) closeable).flush();
+			}
+		} catch (final IOException e) {
+			LOG.trace("Error when trying to flush before closing " + closeable, e);
+		}
+		try {
+			closeable.close();
+		} catch (final IOException e) {
+			LOG.trace("Error when trying to close " + closeable, e);
+		}
+	}
 
-    public OutputStream write(final File destination)
-            throws FileNotFoundException {
-        final OutputStream out = new FileOutputStream(destination);
-        return new BufferedOutputStream(out, 32768);
-    }
+	public OutputStream write(final File destination) throws FileNotFoundException {
+		final OutputStream out = new FileOutputStream(destination);
+		return new BufferedOutputStream(out, 32768);
+	}
 
-    public InputStream read(final File source) throws FileNotFoundException {
-        final InputStream in = new FileInputStream(source);
-        return new BufferedInputStream(in, 32768);
-    }
+	public InputStream read(final File source) throws FileNotFoundException {
+		final InputStream in = new FileInputStream(source);
+		return new BufferedInputStream(in, 32768);
+	}
 
-    public byte[] read(final InputStream in) throws IOException {
-        final ByteArrayOutputStream out = new ByteArrayOutputStream();
-        copy(in, out);
-        out.close();
-        return out.toByteArray();
-    }
+	public byte[] read(final InputStream in) throws IOException {
+		final ByteArrayOutputStream out = new ByteArrayOutputStream();
+		copy(in, out);
+		out.close();
+		return out.toByteArray();
+	}
 }
diff --git a/src/main/java/org/apache/creadur/tentacles/Main.java b/src/main/java/org/apache/creadur/tentacles/Main.java
index 0fa4844..6d3a739 100644
--- a/src/main/java/org/apache/creadur/tentacles/Main.java
+++ b/src/main/java/org/apache/creadur/tentacles/Main.java
@@ -34,25 +34,20 @@
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipInputStream;
 
-import org.apache.log4j.ConsoleAppender;
-import org.apache.log4j.Level;
-import org.apache.log4j.Logger;
-import org.apache.log4j.PatternLayout;
+import org.apache.logging.log4j.*;
 
-/**
- * @version $Rev$ $Date$
- */
 public class Main {
 
     static {
-        final Logger root = Logger.getRootLogger();
-
+/* TENTACLES-12: disabled root logger configuration       
+        final Logger root = LogManager.getRootLogger();
         root.addAppender(new ConsoleAppender(new PatternLayout(
                 PatternLayout.TTCC_CONVERSION_PATTERN)));
         root.setLevel(Level.INFO);
+        */
     }
 
-    private static final Logger log = Logger.getLogger(Main.class);
+    private static final Logger log = LogManager.getLogger(Main.class);
     private static final String CRAWL_PATTERN = ".*\\.(jar|zip|war|ear|rar|tar.gz)";
 
     private final Reports reports;
diff --git a/src/main/java/org/apache/creadur/tentacles/NexusClient.java b/src/main/java/org/apache/creadur/tentacles/NexusClient.java
index 87683cf..e0d19de 100644
--- a/src/main/java/org/apache/creadur/tentacles/NexusClient.java
+++ b/src/main/java/org/apache/creadur/tentacles/NexusClient.java
@@ -24,7 +24,7 @@
 import org.apache.http.client.methods.HttpUriRequest;
 import org.apache.http.impl.client.CloseableHttpClient;
 import org.apache.http.impl.client.HttpClientBuilder;
-import org.apache.log4j.Logger;
+import org.apache.logging.log4j.*;
 import org.codehaus.swizzle.stream.StreamLexer;
 
 import java.io.File;
@@ -36,7 +36,7 @@
 
 public class NexusClient {
 
-    private static final Logger log = Logger.getLogger(NexusClient.class);
+    private static final Logger log = LogManager.getLogger(NexusClient.class);
     private static final String SLASH = "/";
     private static final String ONE_UP = "../";
     private static final String USER_AGENT_CONTENTS = "Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.13) Gecko/20101206 Ubuntu/10.10 (maverick) Firefox/3.6.13";
diff --git a/src/main/resources/log4j2.xml b/src/main/resources/log4j2.xml
new file mode 100644
index 0000000..d2a6c7a
--- /dev/null
+++ b/src/main/resources/log4j2.xml
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Configuration status="WARN">
+  <Appenders>
+    <Console name="Console" target="SYSTEM_OUT">
+      <PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n"/>
+    </Console>
+  </Appenders>
+  <Loggers>
+    <Root level="info">
+      <AppenderRef ref="Console"/>
+    </Root>
+  </Loggers>
+</Configuration>
+