#1438 - Mapping of @ElementCollection with an Enum that is otherwise not used produces error

src/test/java/org/tests/model/elementcollection/EcEnumPerson.java

@@ -0,0 +1,70 @@
+package org.tests.model.elementcollection;
+
+import javax.persistence.ElementCollection;
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.Version;
+import java.util.LinkedHashSet;
+import java.util.Set;
+
+@Entity
+public class EcEnumPerson {
+
+  enum Tags {
+    RED,
+    BLUE,
+    GREEN
+  }
+
+  @Id
+  long id;
+
+  String name;
+
+  @ElementCollection
+  Set<Tags> tags = new LinkedHashSet<>();
+
+  @Version
+  long version;
+
+  public EcEnumPerson(String name) {
+    this.name = name;
+  }
+
+  @Override
+  public String toString() {
+    return "person id:" + id + " name:" + name + " tags:" + tags;
+  }
+
+  public long getId() {
+    return id;
+  }
+
+  public void setId(long id) {
+    this.id = id;
+  }
+
+  public String getName() {
+    return name;
+  }
+
+  public void setName(String name) {
+    this.name = name;
+  }
+
+  public Set<Tags> getTags() {
+    return tags;
+  }
+
+  public void setTags(Set<Tags> tags) {
+    this.tags = tags;
+  }
+
+  public long getVersion() {
+    return version;
+  }
+
+  public void setVersion(long version) {
+    this.version = version;
+  }
+}

src/test/java/org/tests/model/elementcollection/TestElementCollectionEnumSet.java

@@ -0,0 +1,33 @@
+package org.tests.model.elementcollection;
+
+import io.ebean.BaseTestCase;
+import io.ebean.Ebean;
+import org.junit.Test;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+public class TestElementCollectionEnumSet extends BaseTestCase {
+
+  @Test
+  public void test() {
+
+    EcEnumPerson person = new EcEnumPerson("Enum Person");
+    person.getTags().add(EcEnumPerson.Tags.BLUE);
+    person.getTags().add(EcEnumPerson.Tags.RED);
+
+    Ebean.save(person);
+
+
+    EcEnumPerson one = Ebean.find(EcEnumPerson.class)
+      .setId(person.getId())
+      .fetch("tags")
+      .findOne();
+
+    assertThat(one.getTags()).hasSize(2);
+
+    one.getTags().add(EcEnumPerson.Tags.GREEN);
+    one.getTags().remove(EcEnumPerson.Tags.BLUE);
+
+    Ebean.save(one);
+  }
+}