From ce2ac52895a8674dc0025534a707a726b05d5167 Mon Sep 17 00:00:00 2001
From: Michael Bien <mbien42@gmail.com>
Date: Tue, 17 Feb 2026 05:40:25 +0100
Subject: [PATCH] Fix NPE on goto to invalid method reference

 - check if element is a record before listing components
 - removed reflective method calls and updated logic
 - added regression test
---
 .../modules/editor/java/GoToSupport.java      | 35 ++++++-------------
 .../modules/editor/java/GoToSupportTest.java  | 30 ++++++++++++++++
 2 files changed, 40 insertions(+), 25 deletions(-)

diff --git a/java/java.editor/src/org/netbeans/modules/editor/java/GoToSupport.java b/java/java.editor/src/org/netbeans/modules/editor/java/GoToSupport.java
index 31baf4708af2..4f2ace2b9268 100644
--- a/java/java.editor/src/org/netbeans/modules/editor/java/GoToSupport.java
+++ b/java/java.editor/src/org/netbeans/modules/editor/java/GoToSupport.java
@@ -45,8 +45,6 @@
 import java.awt.Toolkit;
 import java.awt.event.KeyEvent;
 import java.io.IOException;
-import java.lang.reflect.InvocationTargetException;
-import java.lang.reflect.Method;
 import java.net.URL;
 import java.util.ArrayList;
 import java.util.Collections;
@@ -478,30 +476,17 @@ public static Context resolveContext(CompilationInfo controller, Document doc, i
                         }
                     }
                     if (el != null && el.getKind() == ElementKind.METHOD) {
-                        for (Element peer : el.getEnclosingElement().getEnclosedElements()) {
-                            if (peer.getKind().name().contains("RECORD_COMPONENT")) {
-                                try {
-                                    Class<?> recordComponent = Class.forName("javax.lang.model.element.RecordComponentElement", true, VariableTree.class.getClassLoader());
-                                    Method getAccessor = recordComponent.getDeclaredMethod("getAccessor");
-                                    Method getRecordComponents = TypeElement.class.getDeclaredMethod("getRecordComponents");
-                                    for (Element component : (Iterable<Element>) getRecordComponents.invoke(peer.getEnclosingElement())) {
-                                        if (Objects.equals(el, getAccessor.invoke(component))) {
-                                            el = component;
-                                            break;
+                        Element enclosing = el.getEnclosingElement();
+                        if (enclosing.getKind() == ElementKind.RECORD) {
+                            OUTER:
+                            for (Element peer : enclosing.getEnclosedElements()) {
+                                if (peer.getKind() == ElementKind.RECORD_COMPONENT) {
+                                    for (RecordComponentElement rc : ((TypeElement)enclosing).getRecordComponents()) {
+                                        if (Objects.equals(el, rc.getAccessor())) {
+                                            el = rc;
+                                            break OUTER;
                                         }
                                     }
-                                } catch (ClassNotFoundException ex) {
-                                    Exceptions.printStackTrace(ex);
-                                } catch (IllegalAccessException ex) {
-                                    Exceptions.printStackTrace(ex);
-                                } catch (IllegalArgumentException ex) {
-                                    Exceptions.printStackTrace(ex);
-                                } catch (InvocationTargetException ex) {
-                                    Exceptions.printStackTrace(ex);
-                                } catch (NoSuchMethodException ex) {
-                                    Exceptions.printStackTrace(ex);
-                                } catch (SecurityException ex) {
-                                    Exceptions.printStackTrace(ex);
                                 }
                             }
                         }
@@ -869,7 +854,7 @@ public Void scan(Tree tree, Void p) {
                 if (found != null) {
                     return null;
                 }
-                if (tree != null && "BINDING_PATTERN".equals(tree.getKind().name())) {
+                if (tree != null && tree.getKind() == Kind.BINDING_PATTERN) {
                     if (process(new TreePath(getCurrentPath(), tree))) {
                         return null;
                     }
diff --git a/java/java.editor/test/unit/src/org/netbeans/modules/editor/java/GoToSupportTest.java b/java/java.editor/test/unit/src/org/netbeans/modules/editor/java/GoToSupportTest.java
index a506190feb74..a30a62edb932 100644
--- a/java/java.editor/test/unit/src/org/netbeans/modules/editor/java/GoToSupportTest.java
+++ b/java/java.editor/test/unit/src/org/netbeans/modules/editor/java/GoToSupportTest.java
@@ -72,6 +72,7 @@
 import org.openide.util.Exceptions;
 import org.openide.util.lookup.ServiceProvider;
 import static java.nio.file.StandardCopyOption.*;
+import java.util.concurrent.atomic.AtomicBoolean;
 
 /**
  *
@@ -1620,6 +1621,35 @@ public void run(CompilationController parameter) throws Exception {
         assertTrue(wasCalled[0]);
     }
 
+    public void testNoExceptionOnInvalidMethodReference() throws Exception {
+        this.sourceLevel = getLatestSourceVersion();
+        JavacParser.DISABLE_SOURCE_LEVEL_DOWNGRADE = true;
+        final String code = """
+                            package test;
+                            public class Test {
+                                private static void method() {
+                                    javax.swing.event.ChangeListener l = Test::in|valid;
+                                }
+                            }
+                            """;
+        AtomicBoolean called = new AtomicBoolean();
+        performTest(code, new UiUtilsCaller() {
+            @Override public boolean open(FileObject fo, int pos) {
+                return false;
+            }
+            @Override public boolean open(ClasspathInfo info, ElementHandle<?> el, String fileName) {
+                return false;
+            }
+            @Override public void beep(boolean goToSource, boolean goToJavadoc) {
+                fail("Should not be called.");
+            }
+            @Override public void warnCannotOpen(String displayName) {
+                called.set(true);
+            }
+        }, false, false);
+        assertTrue(called.get());
+    }
+
     private static boolean hasPatterns() {
         try {
             SourceVersion.valueOf("RELEASE_14"); //NOI18N