From 53fc45b42e1479ce0b1f1103d47cf5d99220ec19 Mon Sep 17 00:00:00 2001
From: Michael Bien <mbien42@gmail.com>
Date: Fri, 30 Jan 2026 20:18:20 +0100
Subject: [PATCH] Fix and disable masterfs lockfile test which is failing since
 17u18

this test was patched in past for similar reasons and can start
failing again when the JDK updates.

testLockFile() is now disabled in CI
---
 .../masterfs/filebasedfs/fileobjects/StatFilesTest.java       | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/platform/masterfs/test/unit/src/org/netbeans/modules/masterfs/filebasedfs/fileobjects/StatFilesTest.java b/platform/masterfs/test/unit/src/org/netbeans/modules/masterfs/filebasedfs/fileobjects/StatFilesTest.java
index 440017aae2a5..e24bd3c4bd14 100644
--- a/platform/masterfs/test/unit/src/org/netbeans/modules/masterfs/filebasedfs/fileobjects/StatFilesTest.java
+++ b/platform/masterfs/test/unit/src/org/netbeans/modules/masterfs/filebasedfs/fileobjects/StatFilesTest.java
@@ -18,6 +18,7 @@
  */
 package org.netbeans.modules.masterfs.filebasedfs.fileobjects;
 
+import java.awt.GraphicsEnvironment;
 import java.io.File;
 
 import java.io.IOException;
@@ -26,6 +27,7 @@
 import java.util.List;
 import java.util.Stack;
 import org.netbeans.junit.NbTestCase;
+import org.netbeans.junit.RandomlyFails;
 import org.netbeans.modules.masterfs.filebasedfs.FileBasedFileSystem;
 import org.netbeans.modules.masterfs.filebasedfs.naming.FileNaming;
 import org.netbeans.modules.masterfs.filebasedfs.naming.NamingFactory;
@@ -49,6 +51,7 @@ public StatFilesTest(String testName) {
 
     @Override
     protected void setUp() throws java.lang.Exception {
+        GraphicsEnvironment.isHeadless(); // may cause file reads in a static initializer on linux
         FileObjectFactory.WARNINGS = false;
         clearWorkDir();
         testFile = new File(getWorkDir(), "testLockFile.txt");
@@ -151,6 +154,7 @@ public void testGetChildrenCaches() throws IOException {
         monitor.getResults().assertResult(1, StatFiles.READ);
     }
 
+    @RandomlyFails // JDK update releases caused failures
     public void testLockFile() throws IOException {
         FileObject fobj = getFileObject(testFile);
         monitor.reset();