diff --git a/pmd-java/src/main/resources/rulesets/java/unnecessary.xml b/pmd-java/src/main/resources/rulesets/java/unnecessary.xml
index 24b68c16e2..a488c88eac 100644
--- a/pmd-java/src/main/resources/rulesets/java/unnecessary.xml
+++ b/pmd-java/src/main/resources/rulesets/java/unnecessary.xml
@@ -297,10 +297,12 @@ public class Foo {
diff --git a/pmd-java/src/test/resources/net/sourceforge/pmd/lang/java/rule/unnecessary/xml/UselessQualifiedThis.xml b/pmd-java/src/test/resources/net/sourceforge/pmd/lang/java/rule/unnecessary/xml/UselessQualifiedThis.xml
index 3b426d7f15..c9809767d7 100644
--- a/pmd-java/src/test/resources/net/sourceforge/pmd/lang/java/rule/unnecessary/xml/UselessQualifiedThis.xml
+++ b/pmd-java/src/test/resources/net/sourceforge/pmd/lang/java/rule/unnecessary/xml/UselessQualifiedThis.xml
@@ -130,4 +130,23 @@ public class Foo {
+
+ #1422 UselessQualifiedThis: False positive with Java 8 Function
+ 0
+ handleApiAggregateException(final ApiAggregateException e) {
+ return e.getCauses().stream().map(
+ ApiExceptionCtrlAdvice::toApiError
+ ).collect(Collectors.toList());
+ }
+ private static ApiError toApiError(final Throwable e) {
+ return new ApiError()
+ .withException(e.getClass().getName())
+ .withCause(Optional.ofNullable(e.getCause()).map(Throwable::getClass).map(Class::getName).orElse(EMPTY))
+ .withMessage(Optional.ofNullable(e.getMessage()).orElse(EMPTY));
+ }
+}
+ ]]>
+
\ No newline at end of file
diff --git a/src/site/markdown/overview/changelog.md b/src/site/markdown/overview/changelog.md
index 0208fb45ba..779a5320c6 100644
--- a/src/site/markdown/overview/changelog.md
+++ b/src/site/markdown/overview/changelog.md
@@ -30,6 +30,8 @@
* [#1431](https://sourceforge.net/p/pmd/bugs/1431/): SuspiciousEqualsMethodName false positive
* java-optimizations/RedundantFieldInitializer
* [#1443](https://sourceforge.net/p/pmd/bugs/1443/): RedundantFieldInitializer: False positive for small floats
+* java-unnecessary/UselessQualifiedThis
+ * [#1422](https://sourceforge.net/p/pmd/bugs/1422/): UselessQualifiedThis: False positive with Java 8 Function
* java-unusedcode/UnusedPrivateField
* [#1428](https://sourceforge.net/p/pmd/bugs/1428/): False positive in UnusedPrivateField when local variable
hides member variable