Why is JMockit throwing a NullPointerException with no stack trace?

Question

Edit: I noticed that this is only a problem on JMockit 1.42 and later, so I opened an issue here

I have something similar to the following code

 class Type1 {

 }

 class Type2 {
      private final Type1 TYPE_1;

      Type2(Type1 type1) {
           TYPE_1 = type1;
      }

      // A bunch of methods involving TYPE_1
 }

I am trying to test Type2 with TestNG by mocking a Type1 instance with JMockit. I have the following test.

 class Type2Test {
      @Tested
      Type2 type2;

      @Injectable
      Type1 type1;


      @Test
      void randomTestThatShouldPass() {
           Assert.assertTrue(true);
      }
 }

However, when running this test, I get a NullPointerException with no apparent stack trace. The following is all that shown on my console.

java.lang.NullPointerException

I have tried a bunch of things to solve my problem including:

• Making TYPE_1 non-final
• Removing @Injectable from type1 in Type2Test. This gives me a better error message by telling me JMockit could not instantiate type2 because there are no @Injectable instances to invoke the constructor for Type2
• Changed @Injectable to @Mocked
• Switching environments. The same problems occur on both VSCode and Intelij
• Using Gradle instead of Maven

The only thing that solves it is by removing all of JMockit's annotations, which is not helpful. What am I doing wrong in my test setup?

Edit: Responding to paulsm4 comment, I am not using Spring, but I am using Maven 3.5.3 with the following pom.xml

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>ok.ubc.cosc.VisualizeCode</groupId>
  <artifactId>VisualizeCode</artifactId>
  <packaging>jar</packaging>
  <version>1.0</version>
  <name>VisualizeCode</name>
  <url>http://maven.apache.org</url>
  <build>
       <plugins>
            <plugin>
                 <artifactId>maven-compiler-plugin</artifactId>
                 <version>3.8.1</version>
                 <configuration>
                      <source>1.8</source>
                      <target>1.8</target>
                 </configuration>
            </plugin>
       </plugins>
 </build>
 <dependencies>
      <dependency>
           <groupId>org.testng</groupId>
           <artifactId>testng</artifactId>
           <version>6.14.3</version>
           <scope>test</scope>
      </dependency>
      <dependency>
           <groupId>org.jmockit</groupId>
           <artifactId>jmockit</artifactId>
           <version>1.48</version>
           <scope>test</scope>
      </dependency>
 </dependencies>
 </project>