How to resolve "You have not started an Objectify context" in JUnit?

I also had this issue and noticed that I had not added the ObjectifyFilter to my web.xml

<filter>
    <filter-name>ObjectifyFilter</filter-name>
    <filter-class>com.googlecode.objectify.ObjectifyFilter</filter-class>
</filter>
<filter-mapping>
    <filter-name>ObjectifyFilter</filter-name>
    <url-pattern>/*</url-pattern>
</filter-mapping>

I also had to include Objectify and guava jars in my WEB-INF>lib directory and include them in my build path.

I was facing the same error and this solusion worked for me

I have an app based on Endpoints that uses Objectify. When I leave it with the default/automatic scaling, everything works great. Once I enable basic scaling, though, I get the following exception when executing the endpoint method:

[INFO] java.lang.IllegalStateException: You have not started an Objectify context. You are probably missing the ObjectifyFilter. If you are not running in the context of an http request, see the ObjectifyService.run() method.
[INFO]  at com.googlecode.objectify.ObjectifyService.ofy(ObjectifyService.java:44)
[INFO]  at com.myco.myapp.dao.datastore.OfyService.ofy(OfyService.java:62)

The good news is that this goes away when you enable RequestDispatcher support in the web.xml file like so. I think this is a documentation issue, then, but I didn't know if everyone would agree if I edited the Wiki page directly. Here is the proposed web.xml entry, which worked for me:

   <filter>
    <filter-name>ObjectifyFilter</filter-name>
    <filter-class>com.googlecode.objectify.ObjectifyFilter</filter-class>
</filter>
<filter-mapping>
    <filter-name>ObjectifyFilter</filter-name>
    <url-pattern>/*</url-pattern>
    <dispatcher>REQUEST</dispatcher>
    <dispatcher>INCLUDE</dispatcher>
    <dispatcher>FORWARD</dispatcher>
</filter-mapping>

Jeff Schnitzer answered this here: https://groups.google.com/forum/#!topic/objectify-appengine/8HinahG7irg. That link points to https://groups.google.com/forum/#!topic/objectify-appengine/O4FHC_i7EGk where Jeff suggests the following quick and dirty workaround:

• My @BeforeMethod starts an objectify context (ObjectifyService.begin())

• My @AfterMethod closes the objectify context

Jeff suggests we use ObjectifyService.run() instead but admits it's more work.

Here's how my implementation looks:

public class DownloadTaskRepositoryImplTest {
    // maximum eventual consistency (see https://cloud.google.com/appengine/docs/java/tools/localunittesting)
    private final LocalServiceTestHelper helper =
        new LocalServiceTestHelper(new LocalDatastoreServiceTestConfig()
            .setDefaultHighRepJobPolicyUnappliedJobPercentage(100));

    private Closeable closeable;

    @Before
    public void setUp() {
        helper.setUp();
        ObjectifyRegistrar.registerDataModel();
        closeable = ObjectifyService.begin();
    }

    @After
    public void tearDown() {
        closeable.close();

        helper.tearDown();
    }