diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
new file mode 100644
index 0000000..f97ee26
--- /dev/null
+++ b/.github/workflows/build.yml
@@ -0,0 +1,20 @@
+name: build
+
+on:
+  push:
+    branches: [master]
+  pull_request:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up JDK 17
+        uses: actions/setup-java@v4
+        with:
+          distribution: temurin
+          java-version: '17'
+          cache: maven
+      - name: Build and test
+        run: mvn -B verify
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 9bcf999..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,3 +0,0 @@
-language: java
-jdk:
-  - oraclejdk8
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..f4c39e9
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2015 Ashwanth Fernando
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/README.md b/README.md
index 9696265..1d34436 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-[![Build Status](https://travis-ci.org/crazysoftwarecoder/bigpipe.svg?branch=master)](https://travis-ci.org/crazysoftwarecoder/bigpipe)
+[![build](https://github.com/crazysoftwarecoder/bigpipe/actions/workflows/build.yml/badge.svg)](https://github.com/crazysoftwarecoder/bigpipe/actions/workflows/build.yml)
 
 ## A BigPipe implementation for Java
  
@@ -73,7 +73,7 @@ public ClassA {
 }
 ```
 
-###Step 2
+### Step 2
 
 Define the return ViewObject for each @PageletTaskMethod
 
@@ -90,12 +90,12 @@ class LeftNavBarDataVO implements ViewObject { // ViewObject is just a marker in
   }
   
   public void setCategoryName(String categoryName) {
-  
+    this.categoryName = categoryName;
   }
 }
 ```
 
-###Step 3
+### Step 3
 
 In your JSP
 
@@ -123,7 +123,7 @@ In your JSP
 </html>
 ```
 
-###Step 4
+### Step 4
 
 Then finally in your web.xml
 ```xml
@@ -146,11 +146,11 @@ Then finally in your web.xml
 	</servlet-mapping>
 ```
 
-###Step 5
+### Step 5
 You are all set! Go to **http://localhost:8080/app-context/url-that-you-want-serve/** and see the results.
 
 ## Example
 For an example, look [here](https://github.com/crazysoftwarecoder/bigpipe/tree/master/bigpipe-java-web-example)
 
-###License
-[MIT](https://github.com/strongloop/express/blob/master/LICENSE)
+## License
+[MIT](LICENSE)
diff --git a/bigpipe-java-web/src/main/java/com/myseriousorganization/bigpipe/core/executor/PageletTaskExecutor.java b/bigpipe-java-web/src/main/java/com/myseriousorganization/bigpipe/core/executor/PageletTaskExecutor.java
index 63b96b6..eb55271 100644
--- a/bigpipe-java-web/src/main/java/com/myseriousorganization/bigpipe/core/executor/PageletTaskExecutor.java
+++ b/bigpipe-java-web/src/main/java/com/myseriousorganization/bigpipe/core/executor/PageletTaskExecutor.java
@@ -46,7 +46,7 @@ public void execute(final Object pageletTask, final HttpServletRequest servletRe
 		Preconditions.checkArgument(pageletTask!=null);
 
 		// Validate if this is a pagelet task.
-		if (isPageletTask(pageletTask)) {
+		if (isNotPageletTask(pageletTask)) {
 			throw new TaskExecutionException("passed in object is not a PageletTask. "
 					+ "Please annotate your pagelet task class with @" + PageletTask.class.getCanonicalName());
 		}
@@ -75,7 +75,7 @@ public void run() {
 		});
 	}
 	
-	private boolean isPageletTask(Object obj) {
+	private boolean isNotPageletTask(Object obj) {
 		return (obj.getClass().getAnnotation(PageletTask.class)==null);
 	}
 
diff --git a/bigpipe-java-web/src/main/java/com/myseriousorganization/bigpipe/core/tag/BigPipeStartTag.java b/bigpipe-java-web/src/main/java/com/myseriousorganization/bigpipe/core/tag/BigPipeStartTag.java
index d94f5d1..2cf8a15 100644
--- a/bigpipe-java-web/src/main/java/com/myseriousorganization/bigpipe/core/tag/BigPipeStartTag.java
+++ b/bigpipe-java-web/src/main/java/com/myseriousorganization/bigpipe/core/tag/BigPipeStartTag.java
@@ -42,8 +42,4 @@ public void doTag() throws JspException, IOException {
 		out.println(SETTER_JS_FUNCTION);
 	}
 
-	public static void main(String[] args) {
-		new BigPipeStartTag();
-	}
-
 }
diff --git a/bigpipe-java-web/src/main/java/com/myseriousorganization/bigpipe/core/tag/PageletBodyTag.java b/bigpipe-java-web/src/main/java/com/myseriousorganization/bigpipe/core/tag/PageletBodyTag.java
index 01b6714..11a5977 100644
--- a/bigpipe-java-web/src/main/java/com/myseriousorganization/bigpipe/core/tag/PageletBodyTag.java
+++ b/bigpipe-java-web/src/main/java/com/myseriousorganization/bigpipe/core/tag/PageletBodyTag.java
@@ -2,11 +2,11 @@
 
 import java.io.IOException;
 import java.io.StringWriter;
-import java.io.UnsupportedEncodingException;
+import java.nio.charset.StandardCharsets;
+import java.util.Base64;
 
 import javax.servlet.jsp.JspException;
 import javax.servlet.jsp.tagext.SimpleTagSupport;
-import javax.xml.bind.DatatypeConverter;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -49,16 +49,8 @@ private void emitDivPlaceholder(String pageletName) throws IOException {
 	}
 
 	protected String getBase64String(String input) {
-		try {
-			byte[] inputBytes = input.getBytes("UTF-8");
-			String encodedString = DatatypeConverter.printBase64Binary(inputBytes);
-			return encodedString;
-		}
-		catch (UnsupportedEncodingException e) {
-			String message = "Could not transform String to UTF-8 bytes";
-			logger.error(e.getMessage());
-			throw new IllegalArgumentException(message);
-		}
+		byte[] inputBytes = input.getBytes(StandardCharsets.UTF_8);
+		return Base64.getEncoder().encodeToString(inputBytes);
 	}
 
 	@Override
diff --git a/bigpipe-java-web/src/test/java/com/myseriousorganization/bigpipe/core/executor/PageletTaskExecutorTest.java b/bigpipe-java-web/src/test/java/com/myseriousorganization/bigpipe/core/executor/PageletTaskExecutorTest.java
new file mode 100644
index 0000000..54302e5
--- /dev/null
+++ b/bigpipe-java-web/src/test/java/com/myseriousorganization/bigpipe/core/executor/PageletTaskExecutorTest.java
@@ -0,0 +1,26 @@
+package com.myseriousorganization.bigpipe.core.executor;
+
+import org.junit.Test;
+
+import com.myseriousorganization.bigpipe.core.annotations.PageletTask;
+import com.myseriousorganization.bigpipe.core.exception.TaskExecutionException;
+
+public class PageletTaskExecutorTest {
+
+	@PageletTask(name = "annotated")
+	static class AnnotatedTask {
+	}
+
+	static class PlainObject {
+	}
+
+	@Test(expected = TaskExecutionException.class)
+	public void rejectsObjectWithoutPageletTaskAnnotation() throws Exception {
+		new PageletTaskExecutor(1).execute(new PlainObject(), null);
+	}
+
+	@Test(expected = IllegalArgumentException.class)
+	public void rejectsNullTask() throws Exception {
+		new PageletTaskExecutor(1).execute(null, null);
+	}
+}
diff --git a/bigpipe-java-web/src/test/java/com/myseriousorganization/bigpipe/core/executor/PageletTaskOutputHolderTest.java b/bigpipe-java-web/src/test/java/com/myseriousorganization/bigpipe/core/executor/PageletTaskOutputHolderTest.java
new file mode 100644
index 0000000..3008973
--- /dev/null
+++ b/bigpipe-java-web/src/test/java/com/myseriousorganization/bigpipe/core/executor/PageletTaskOutputHolderTest.java
@@ -0,0 +1,59 @@
+package com.myseriousorganization.bigpipe.core.executor;
+
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertSame;
+import static org.junit.Assert.assertTrue;
+
+import org.junit.Before;
+import org.junit.Test;
+
+import com.myseriousorganization.bigpipe.core.marker.ViewObject;
+
+public class PageletTaskOutputHolderTest {
+
+	private PageletTaskOutputHolder holder;
+
+	@Before
+	public void setUp() {
+		holder = new PageletTaskOutputHolder();
+	}
+
+	@Test
+	public void roundTripsTheViewObject() {
+		ViewObject vo = new ViewObject() {};
+		holder.addPageletTask("left");
+		holder.putViewObject("left", vo);
+
+		assertSame(vo, holder.getViewObject("left"));
+	}
+
+	@Test
+	public void tracksWhichPageletsExist() {
+		assertFalse(holder.doesPageletExist("left"));
+		holder.addPageletTask("left");
+		assertTrue(holder.doesPageletExist("left"));
+	}
+
+	@Test(expected = IllegalArgumentException.class)
+	public void rejectsDuplicatePageletRegistration() {
+		holder.addPageletTask("left");
+		holder.addPageletTask("left");
+	}
+
+	@Test(expected = IllegalArgumentException.class)
+	public void rejectsSecondViewObjectForSamePagelet() {
+		holder.addPageletTask("left");
+		holder.putViewObject("left", new ViewObject() {});
+		holder.putViewObject("left", new ViewObject() {});
+	}
+
+	@Test(expected = IllegalArgumentException.class)
+	public void putForUnknownPageletFails() {
+		holder.putViewObject("missing", new ViewObject() {});
+	}
+
+	@Test(expected = IllegalArgumentException.class)
+	public void getForUnknownPageletFails() {
+		holder.getViewObject("missing");
+	}
+}
diff --git a/pom.xml b/pom.xml
index 844cb06..40e4d24 100644
--- a/pom.xml
+++ b/pom.xml
@@ -11,20 +11,27 @@
     <name>The java implementation of big-pipe.</name>
 
     <modules>
-    	<module>bigpipe-java-web</module>
-	<module>bigpipe-java-web-example</module>
+        <module>bigpipe-java-web</module>
+        <module>bigpipe-java-web-example</module>
     </modules>
 
+    <properties>
+        <maven.compiler.release>11</maven.compiler.release>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
     <build>
         <pluginManagement>
             <plugins>
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-compiler-plugin</artifactId>
-                    <configuration>
-                        <source>1.7</source>
-                        <target>1.7</target>
-                    </configuration>
+                    <version>3.13.0</version>
+                </plugin>
+                <plugin>
+                    <groupId>org.apache.maven.plugins</groupId>
+                    <artifactId>maven-surefire-plugin</artifactId>
+                    <version>3.2.5</version>
                 </plugin>
             </plugins>
         </pluginManagement>
@@ -34,7 +41,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>3.8.1</version>
+            <version>4.13.2</version>
             <scope>test</scope>
         </dependency>
     </dependencies>