ExpressionEvalTest.test547462_BooleanExpression failed with "Address already in use" in I20260414-1800

[trancexpress]

See: https://download.eclipse.org/eclipse/downloads/drops4/I20260414-1800/testresults/html/org.eclipse.jdt.debug.tests_ep440I-unit-macosx-x86_64-java21_macosx.cocoa.x86_64_21.html

	Cannot connect to VM

org.eclipse.core.runtime.CoreException: Cannot connect to VM
at org.eclipse.jdt.launching.AbstractVMRunner.abort(AbstractVMRunner.java:56)
at org.eclipse.jdt.internal.launching.StandardVMDebugger.run(StandardVMDebugger.java:457)
at org.eclipse.jdt.launching.JavaLaunchDelegate.launch(JavaLaunchDelegate.java:176)
at org.eclipse.debug.internal.core.LaunchConfiguration.launch(LaunchConfiguration.java:778)
at org.eclipse.jdt.debug.tests.AbstractDebugTest.launchAndWait(AbstractDebugTest.java:1495)
at org.eclipse.jdt.debug.tests.AbstractDebugTest.launchAndWait(AbstractDebugTest.java:1473)
at org.eclipse.jdt.debug.tests.AbstractDebugTest.launchToBreakpoint(AbstractDebugTest.java:1669)
at org.eclipse.jdt.debug.tests.AbstractDebugTest.launchToBreakpoint(AbstractDebugTest.java:1624)
at org.eclipse.jdt.debug.tests.AbstractDebugTest.launchToBreakpoint(AbstractDebugTest.java:1596)
at org.eclipse.jdt.debug.tests.AbstractDebugTest.launchToBreakpoint(AbstractDebugTest.java:1583)
at org.eclipse.jdt.debug.tests.eval.ExpressionEvalTest.debugWithBreakpoint(ExpressionEvalTest.java:116)
at org.eclipse.jdt.debug.tests.eval.ExpressionEvalTest.test547462_BooleanExpression(ExpressionEvalTest.java:66)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at junit.framework.TestCase.runTest(TestCase.java:177)
at junit.framework.TestCase.runBare(TestCase.java:142)
at org.eclipse.jdt.debug.tests.AbstractDebugTest.runBare(AbstractDebugTest.java:3007)
at junit.framework.TestResult$1.protect(TestResult.java:122)
at junit.framework.TestResult.runProtected(TestResult.java:142)
at junit.framework.TestResult.run(TestResult.java:125)
at junit.framework.TestCase.run(TestCase.java:130)
at junit.framework.TestSuite.runTest(TestSuite.java:241)
at junit.framework.TestSuite.run(TestSuite.java:236)
at junit.framework.TestSuite.runTest(TestSuite.java:241)
at org.eclipse.jdt.debug.tests.DebugSuite$1.run(DebugSuite.java:61)
at java.base/java.lang.Thread.run(Thread.java:1583)
Caused by: java.net.BindException: Address already in use
at java.base/sun.nio.ch.Net.bind0(Native Method)
at java.base/sun.nio.ch.Net.bind(Net.java:577)
at java.base/sun.nio.ch.Net.bind(Net.java:566)
at java.base/sun.nio.ch.NioSocketImpl.bind(NioSocketImpl.java:636)
at java.base/java.net.ServerSocket.bind(ServerSocket.java:391)
at java.base/java.net.ServerSocket.<init>(ServerSocket.java:278)
at java.base/java.net.ServerSocket.<init>(ServerSocket.java:171)
at org.eclipse.jdi.internal.connect.SocketTransportService.startListening(SocketTransportService.java:290)
at org.eclipse.jdi.internal.connect.SocketTransportImpl.startListening(SocketTransportImpl.java:53)
at org.eclipse.jdi.internal.connect.SocketListeningConnectorImpl.startListening(SocketListeningConnectorImpl.java:141)
at org.eclipse.jdt.internal.launching.StandardVMDebugger.run(StandardVMDebugger.java:335)
... 23 more

Workspace log has nothing useful: https://download.eclipse.org/eclipse/downloads/drops4/I20260414-1800/testresults/ep440I-unit-macosx-x86_64-java21_macosx.cocoa.x86_64_21/org.eclipse.jdt.debug.tests.AutomatedSuite.txt

01:07:12.155 SETUP ExpressionEvalTest.test547462_BooleanExpression

!ENTRY org.eclipse.jdt.debug.ui.tests 1 0 2026-04-15 01:07:12.176
!MESSAGE 

01:07:12.176 TDOWN ExpressionEvalTest.test547462_BooleanExpression

[trancexpress]

The port is set here:

"main" #1 [16792] prio=6 os_prio=0 cpu=4448.61ms elapsed=59.48s tid=0x00007f082401bd40 nid=16792 runnable  [0x00007f08287fc000]
   java.lang.Thread.State: RUNNABLE
        at org.eclipse.jdt.launching.SocketUtil.findFreePort(SocketUtil.java:69)
        at org.eclipse.jdt.internal.launching.StandardVMDebugger.getCommandLine(StandardVMDebugger.java:169)
        at org.eclipse.jdt.internal.launching.StandardVMDebugger.run(StandardVMDebugger.java:310)
        at org.eclipse.jdt.launching.JavaLaunchDelegate.launch(JavaLaunchDelegate.java:176)
        at org.eclipse.debug.internal.core.LaunchConfiguration.launch(LaunchConfiguration.java:778)
        at org.eclipse.jdt.debug.tests.AbstractDebugTest.launchAndWait(AbstractDebugTest.java:1495)
        at org.eclipse.jdt.debug.tests.AbstractDebugTest.launchAndWait(AbstractDebugTest.java:1473)
        at org.eclipse.jdt.debug.tests.AbstractDebugTest.launchToBreakpoint(AbstractDebugTest.java:1669)
        at org.eclipse.jdt.debug.tests.AbstractDebugTest.launchToBreakpoint(AbstractDebugTest.java:1624)
        at org.eclipse.jdt.debug.tests.AbstractDebugTest.launchToBreakpoint(AbstractDebugTest.java:1596)
        at org.eclipse.jdt.debug.tests.AbstractDebugTest.launchToBreakpoint(AbstractDebugTest.java:1583)
        at org.eclipse.jdt.debug.tests.eval.ExpressionEvalTest.debugWithBreakpoint(ExpressionEvalTest.java:116)
        at org.eclipse.jdt.debug.tests.eval.ExpressionEvalTest.test547462_BooleanExpression(ExpressionEvalTest.java:66)

	public static int findFreePort() {
		try (ServerSocket socket = new ServerSocket(0)) {
			return socket.getLocalPort();
		} catch (IOException e) {
		}
		return -1;
	}

Maybe its no longer free... I'm not sure what we can do about this.

Trying this:

diff --git a/org.eclipse.jdt.debug.tests/tests/org/eclipse/jdt/debug/tests/AbstractDebugTest.java b/org.eclipse.jdt.debug.tests/tests/org/eclipse/jdt/debug/tests/AbstractDebugTest.java
index 2ee24a21b..1705f7674 100644
--- a/org.eclipse.jdt.debug.tests/tests/org/eclipse/jdt/debug/tests/AbstractDebugTest.java
+++ b/org.eclipse.jdt.debug.tests/tests/org/eclipse/jdt/debug/tests/AbstractDebugTest.java
@@ -19,6 +19,7 @@ package org.eclipse.jdt.debug.tests;
 import java.io.File;
 import java.io.PrintWriter;
 import java.io.StringWriter;
+import java.net.BindException;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
@@ -135,6 +136,7 @@ import org.eclipse.jdt.internal.debug.eval.ast.engine.ASTEvaluationEngine;
 import org.eclipse.jdt.internal.debug.ui.BreakpointUtils;
 import org.eclipse.jdt.internal.debug.ui.IJDIPreferencesConstants;
 import org.eclipse.jdt.internal.debug.ui.JDIDebugUIPlugin;
+import org.eclipse.jdt.internal.launching.StandardVMDebugger;
 import org.eclipse.jdt.launching.IJavaLaunchConfigurationConstants;
 import org.eclipse.jdt.launching.IVMInstall;
 import org.eclipse.jdt.launching.IVMInstallChangedListener;
@@ -177,6 +179,7 @@ import junit.framework.TestCase;
 @SuppressWarnings("deprecation")
 public abstract class AbstractDebugTest extends TestCase implements  IEvaluationListener {
 
+       private static final int SOCKET_BIND_ERROR_MAX_RETRIES = 3;
        private static boolean setupFirstTest = false;
 
        public static final String MULTI_OUTPUT_PROJECT_NAME = "MultiOutput";
@@ -1490,12 +1493,24 @@ public abstract class AbstractDebugTest extends TestCase implements  IEvaluation
         *             if the event is never received.
         */
        protected Object launchAndWait(ILaunchConfiguration configuration, String mode, DebugEventWaiter waiter, boolean register) throws CoreException {
-               ILaunch launch;
-               try {
-                       launch = configuration.launch(mode, new TimeoutMonitor(DEFAULT_TIMEOUT), false, register);
-               } catch (Throwable t) {
-                       logProcessConsoleContents();
-                       throw t;
+               ILaunch launch = null;
+               for (int retry = 1; retry <= SOCKET_BIND_ERROR_MAX_RETRIES; ++retry) {
+                       try {
+                               StandardVMDebugger.THROW = retry < SOCKET_BIND_ERROR_MAX_RETRIES;
+                               launch = configuration.launch(mode, new TimeoutMonitor(DEFAULT_TIMEOUT), false, register);
+                               break;
+                       } catch (CoreException e) {
+                               Throwable cause = e.getStatus().getException();
+                               if (retry < SOCKET_BIND_ERROR_MAX_RETRIES && cause instanceof BindException) {
+                                       // port might be in use between checking for a free port and launching, try a few times
+                                       DebugPlugin.log(Status.error("Could not bind socket for debugging, retry: " + retry, e));
+                               } else {
+                                       throw e;
+                               }
+                       } catch (Throwable t) {
+                               logProcessConsoleContents();
+                               throw t;
+                       }
                }
                Object suspendee= waiter.waitForEvent();
                if (suspendee == null) {
diff --git a/org.eclipse.jdt.launching/launching/org/eclipse/jdt/internal/launching/StandardVMDebugger.java b/org.eclipse.jdt.launching/launching/org/eclipse/jdt/internal/launching/StandardVMDebugger.java
index 7df5298a8..764cb3f87 100644
--- a/org.eclipse.jdt.launching/launching/org/eclipse/jdt/internal/launching/StandardVMDebugger.java
+++ b/org.eclipse.jdt.launching/launching/org/eclipse/jdt/internal/launching/StandardVMDebugger.java
@@ -18,6 +18,7 @@ package org.eclipse.jdt.internal.launching;
 import java.io.File;
 import java.io.IOException;
 import java.io.InterruptedIOException;
+import java.net.BindException;
 import java.text.DateFormat;
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -298,6 +299,7 @@ public class StandardVMDebugger extends StandardVMRunner {
 
        }
 
+       public static boolean THROW = false;
        /*
         * (non-Javadoc)
         *
@@ -332,6 +334,9 @@ public class StandardVMDebugger extends StandardVMRunner {
                                        return;
                                }
 
+                               if (THROW) {
+                                       throw new BindException("test"); //$NON-NLS-1$
+                               }
                                connector.startListening(map);
 
                                p = exec(cmdLine, cmdDetails.getWorkingDir(), cmdDetails.getEnvp(), config.isMergeOutput());

Results in a pass and this in the log:

WARNING: Using incubator modules: jdk.incubator.vector
!SESSION 2026-04-15 20:47:38.806 -----------------------------------------------
eclipse.buildId=4.40.0.I20260414-1800
java.version=21.0.10
java.vendor=Arch Linux
BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US
Framework arguments:  -version 3 -port 40873 -testLoaderClass org.eclipse.jdt.internal.junit4.runner.JUnit4TestLoader -loaderpluginname org.eclipse.jdt.junit4.runtime -test org.eclipse.jdt.debug.tests.eval.ExpressionEvalTest:test547462_BooleanExpression -application org.eclipse.pde.junit.runtime.uitestapplication -product org.eclipse.sdk.ide -testpluginname org.eclipse.jdt.debug.tests
Command-line arguments:  -os linux -ws gtk -arch x86_64 -consoleLog -version 3 -port 40873 -testLoaderClass org.eclipse.jdt.internal.junit4.runner.JUnit4TestLoader -loaderpluginname org.eclipse.jdt.junit4.runtime -test org.eclipse.jdt.debug.tests.eval.ExpressionEvalTest:test547462_BooleanExpression -application org.eclipse.pde.junit.runtime.uitestapplication -product org.eclipse.sdk.ide -data /data/workspaces/contributor_workspace/../junit-workspace -dev file:///data/workspaces/contributor_workspace/.metadata/.plugins/org.eclipse.pde.core/pde-junit/dev.properties -os linux -ws gtk -arch x86_64 -consoleLog -testpluginname org.eclipse.jdt.debug.tests

!ENTRY org.eclipse.equinox.app 0 0 2026-04-15 20:47:40.239
!MESSAGE Product org.eclipse.sdk.ide could not be found.
WARNING: Annotation classes from the 'javax.inject' or 'javax.annotation' package found.
It is recommended to migrate to the corresponding replacements in the jakarta namespace.
The Eclipse E4 Platform will remove support for those javax-annotations in a future release.
To suppress this warning, set the VM property: -Declipse.e4.inject.javax.warning=false
To disable processing of 'javax' annotations entirely, set the VM property: -Declipse.e4.inject.javax.disabled=true


!ENTRY org.eclipse.e4.ui.css.swt.theme 2 0 2026-04-15 20:47:41.009
!MESSAGE Theme 'org.eclipse.e4.ui.css.theme.e4_default' not found; falling back to default theme.
20:47:42.648 SETTING UP TESTS
20:47:42.649 SETUP ExpressionEvalTest.test547462_BooleanExpression

!ENTRY org.eclipse.jdt.debug 1 0 2026-04-15 20:47:43.025
!MESSAGE VM added java-21-openjdk, location: /usr/lib/jvm/java-21-openjdk

!ENTRY org.eclipse.jdt.debug 1 0 2026-04-15 20:47:43.161
!MESSAGE VM added java-26-openjdk, location: /usr/lib/jvm/java-26-openjdk

!ENTRY org.eclipse.jdt.debug 1 0 2026-04-15 20:47:43.162
!MESSAGE VM added java-11-openjdk, location: /usr/lib/jvm/java-11-openjdk

!ENTRY org.eclipse.jdt.debug 1 0 2026-04-15 20:47:43.162
!MESSAGE VM added java-25-openjdk, location: /usr/lib/jvm/java-25-openjdk

!ENTRY org.eclipse.jdt.debug 1 0 2026-04-15 20:47:43.162
!MESSAGE VM added java-8-openjdk, location: /usr/lib/jvm/java-8-openjdk

!ENTRY org.eclipse.jdt.debug 1 0 2026-04-15 20:47:43.163
!MESSAGE VM added java-17-openjdk, location: /usr/lib/jvm/java-17-openjdk

!ENTRY org.eclipse.jdt.debug.tests 4 0 2026-04-15 20:47:44.993
!MESSAGE Could not bind socket for debugging, retry: 1
!STACK 1
org.eclipse.core.runtime.CoreException: Cannot connect to VM
	at org.eclipse.jdt.launching.AbstractVMRunner.abort(AbstractVMRunner.java:56)
	at org.eclipse.jdt.internal.launching.StandardVMDebugger.run(StandardVMDebugger.java:462)
	at org.eclipse.jdt.launching.JavaLaunchDelegate.launch(JavaLaunchDelegate.java:176)
	at org.eclipse.debug.internal.core.LaunchConfiguration.launch(LaunchConfiguration.java:778)
	at org.eclipse.jdt.debug.tests.AbstractDebugTest.launchAndWait(AbstractDebugTest.java:1500)
	at org.eclipse.jdt.debug.tests.AbstractDebugTest.launchAndWait(AbstractDebugTest.java:1476)
	at org.eclipse.jdt.debug.tests.AbstractDebugTest.launchToBreakpoint(AbstractDebugTest.java:1684)
	at org.eclipse.jdt.debug.tests.AbstractDebugTest.launchToBreakpoint(AbstractDebugTest.java:1639)
	at org.eclipse.jdt.debug.tests.AbstractDebugTest.launchToBreakpoint(AbstractDebugTest.java:1611)
	at org.eclipse.jdt.debug.tests.AbstractDebugTest.launchToBreakpoint(AbstractDebugTest.java:1598)
	at org.eclipse.jdt.debug.tests.eval.ExpressionEvalTest.debugWithBreakpoint(ExpressionEvalTest.java:116)
	at org.eclipse.jdt.debug.tests.eval.ExpressionEvalTest.test547462_BooleanExpression(ExpressionEvalTest.java:66)
	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
	at java.base/java.lang.reflect.Method.invoke(Method.java:580)
	at junit.framework.TestCase.runTest(TestCase.java:177)
	at junit.framework.TestCase.runBare(TestCase.java:142)
	at org.eclipse.jdt.debug.tests.AbstractDebugTest.runBare(AbstractDebugTest.java:3022)
	at junit.framework.TestResult$1.protect(TestResult.java:122)
	at junit.framework.TestResult.runProtected(TestResult.java:142)
	at junit.framework.TestResult.run(TestResult.java:125)
	at junit.framework.TestCase.run(TestCase.java:130)
	at junit.framework.TestSuite.runTest(TestSuite.java:241)
	at junit.framework.TestSuite.run(TestSuite.java:236)
	at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90)
	at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:93)
	at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:40)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:520)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:748)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:443)
	at org.eclipse.pde.internal.junit.runtime.RemotePluginTestRunner.main(RemotePluginTestRunner.java:126)
	at org.eclipse.pde.internal.junit.runtime.PlatformUITestHarness.lambda$0(PlatformUITestHarness.java:45)
	at org.eclipse.e4.ui.internal.workbench.swt.E4Testable.lambda$1(E4Testable.java:127)
	at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40)
	at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:131)
	at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:5051)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4514)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1160)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:339)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1051)
	at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:153)
	at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:684)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:339)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:583)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:173)
	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:191)
	at org.eclipse.pde.internal.junit.runtime.NonUIThreadTestApplication.start(NonUIThreadTestApplication.java:58)
	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
	at java.base/java.lang.reflect.Method.invoke(Method.java:580)
	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
	at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
Caused by: java.net.BindException: test
	at org.eclipse.jdt.internal.launching.StandardVMDebugger.run(StandardVMDebugger.java:338)
	... 55 more
!SUBENTRY 1 org.eclipse.jdt.launching 4 120 2026-04-15 20:47:44.994
!MESSAGE Cannot connect to VM
!STACK 0
java.net.BindException: test
	at org.eclipse.jdt.internal.launching.StandardVMDebugger.run(StandardVMDebugger.java:338)
	at org.eclipse.jdt.launching.JavaLaunchDelegate.launch(JavaLaunchDelegate.java:176)
	at org.eclipse.debug.internal.core.LaunchConfiguration.launch(LaunchConfiguration.java:778)
	at org.eclipse.jdt.debug.tests.AbstractDebugTest.launchAndWait(AbstractDebugTest.java:1500)
	at org.eclipse.jdt.debug.tests.AbstractDebugTest.launchAndWait(AbstractDebugTest.java:1476)
	at org.eclipse.jdt.debug.tests.AbstractDebugTest.launchToBreakpoint(AbstractDebugTest.java:1684)
	at org.eclipse.jdt.debug.tests.AbstractDebugTest.launchToBreakpoint(AbstractDebugTest.java:1639)
	at org.eclipse.jdt.debug.tests.AbstractDebugTest.launchToBreakpoint(AbstractDebugTest.java:1611)
	at org.eclipse.jdt.debug.tests.AbstractDebugTest.launchToBreakpoint(AbstractDebugTest.java:1598)
	at org.eclipse.jdt.debug.tests.eval.ExpressionEvalTest.debugWithBreakpoint(ExpressionEvalTest.java:116)
	at org.eclipse.jdt.debug.tests.eval.ExpressionEvalTest.test547462_BooleanExpression(ExpressionEvalTest.java:66)
	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
	at java.base/java.lang.reflect.Method.invoke(Method.java:580)
	at junit.framework.TestCase.runTest(TestCase.java:177)
	at junit.framework.TestCase.runBare(TestCase.java:142)
	at org.eclipse.jdt.debug.tests.AbstractDebugTest.runBare(AbstractDebugTest.java:3022)
	at junit.framework.TestResult$1.protect(TestResult.java:122)
	at junit.framework.TestResult.runProtected(TestResult.java:142)
	at junit.framework.TestResult.run(TestResult.java:125)
	at junit.framework.TestCase.run(TestCase.java:130)
	at junit.framework.TestSuite.runTest(TestSuite.java:241)
	at junit.framework.TestSuite.run(TestSuite.java:236)
	at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90)
	at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:93)
	at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:40)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:520)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:748)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:443)
	at org.eclipse.pde.internal.junit.runtime.RemotePluginTestRunner.main(RemotePluginTestRunner.java:126)
	at org.eclipse.pde.internal.junit.runtime.PlatformUITestHarness.lambda$0(PlatformUITestHarness.java:45)
	at org.eclipse.e4.ui.internal.workbench.swt.E4Testable.lambda$1(E4Testable.java:127)
	at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40)
	at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:131)
	at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:5051)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4514)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1160)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:339)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1051)
	at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:153)
	at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:684)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:339)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:583)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:173)
	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:191)
	at org.eclipse.pde.internal.junit.runtime.NonUIThreadTestApplication.start(NonUIThreadTestApplication.java:58)
	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
	at java.base/java.lang.reflect.Method.invoke(Method.java:580)
	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
	at org.eclipse.equinox.launcher.Main.main(Main.java:1387)

!ENTRY org.eclipse.jdt.debug.tests 4 0 2026-04-15 20:47:44.999
!MESSAGE Could not bind socket for debugging, retry: 2
!STACK 1
org.eclipse.core.runtime.CoreException: Cannot connect to VM
	at org.eclipse.jdt.launching.AbstractVMRunner.abort(AbstractVMRunner.java:56)
	at org.eclipse.jdt.internal.launching.StandardVMDebugger.run(StandardVMDebugger.java:462)
	at org.eclipse.jdt.launching.JavaLaunchDelegate.launch(JavaLaunchDelegate.java:176)
	at org.eclipse.debug.internal.core.LaunchConfiguration.launch(LaunchConfiguration.java:778)
	at org.eclipse.jdt.debug.tests.AbstractDebugTest.launchAndWait(AbstractDebugTest.java:1500)
	at org.eclipse.jdt.debug.tests.AbstractDebugTest.launchAndWait(AbstractDebugTest.java:1476)
	at org.eclipse.jdt.debug.tests.AbstractDebugTest.launchToBreakpoint(AbstractDebugTest.java:1684)
	at org.eclipse.jdt.debug.tests.AbstractDebugTest.launchToBreakpoint(AbstractDebugTest.java:1639)
	at org.eclipse.jdt.debug.tests.AbstractDebugTest.launchToBreakpoint(AbstractDebugTest.java:1611)
	at org.eclipse.jdt.debug.tests.AbstractDebugTest.launchToBreakpoint(AbstractDebugTest.java:1598)
	at org.eclipse.jdt.debug.tests.eval.ExpressionEvalTest.debugWithBreakpoint(ExpressionEvalTest.java:116)
	at org.eclipse.jdt.debug.tests.eval.ExpressionEvalTest.test547462_BooleanExpression(ExpressionEvalTest.java:66)
	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
	at java.base/java.lang.reflect.Method.invoke(Method.java:580)
	at junit.framework.TestCase.runTest(TestCase.java:177)
	at junit.framework.TestCase.runBare(TestCase.java:142)
	at org.eclipse.jdt.debug.tests.AbstractDebugTest.runBare(AbstractDebugTest.java:3022)
	at junit.framework.TestResult$1.protect(TestResult.java:122)
	at junit.framework.TestResult.runProtected(TestResult.java:142)
	at junit.framework.TestResult.run(TestResult.java:125)
	at junit.framework.TestCase.run(TestCase.java:130)
	at junit.framework.TestSuite.runTest(TestSuite.java:241)
	at junit.framework.TestSuite.run(TestSuite.java:236)
	at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90)
	at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:93)
	at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:40)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:520)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:748)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:443)
	at org.eclipse.pde.internal.junit.runtime.RemotePluginTestRunner.main(RemotePluginTestRunner.java:126)
	at org.eclipse.pde.internal.junit.runtime.PlatformUITestHarness.lambda$0(PlatformUITestHarness.java:45)
	at org.eclipse.e4.ui.internal.workbench.swt.E4Testable.lambda$1(E4Testable.java:127)
	at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40)
	at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:131)
	at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:5051)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4514)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1160)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:339)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1051)
	at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:153)
	at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:684)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:339)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:583)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:173)
	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:191)
	at org.eclipse.pde.internal.junit.runtime.NonUIThreadTestApplication.start(NonUIThreadTestApplication.java:58)
	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
	at java.base/java.lang.reflect.Method.invoke(Method.java:580)
	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
	at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
Caused by: java.net.BindException: test
	at org.eclipse.jdt.internal.launching.StandardVMDebugger.run(StandardVMDebugger.java:338)
	... 55 more
!SUBENTRY 1 org.eclipse.jdt.launching 4 120 2026-04-15 20:47:44.999
!MESSAGE Cannot connect to VM
!STACK 0
java.net.BindException: test
	at org.eclipse.jdt.internal.launching.StandardVMDebugger.run(StandardVMDebugger.java:338)
	at org.eclipse.jdt.launching.JavaLaunchDelegate.launch(JavaLaunchDelegate.java:176)
	at org.eclipse.debug.internal.core.LaunchConfiguration.launch(LaunchConfiguration.java:778)
	at org.eclipse.jdt.debug.tests.AbstractDebugTest.launchAndWait(AbstractDebugTest.java:1500)
	at org.eclipse.jdt.debug.tests.AbstractDebugTest.launchAndWait(AbstractDebugTest.java:1476)
	at org.eclipse.jdt.debug.tests.AbstractDebugTest.launchToBreakpoint(AbstractDebugTest.java:1684)
	at org.eclipse.jdt.debug.tests.AbstractDebugTest.launchToBreakpoint(AbstractDebugTest.java:1639)
	at org.eclipse.jdt.debug.tests.AbstractDebugTest.launchToBreakpoint(AbstractDebugTest.java:1611)
	at org.eclipse.jdt.debug.tests.AbstractDebugTest.launchToBreakpoint(AbstractDebugTest.java:1598)
	at org.eclipse.jdt.debug.tests.eval.ExpressionEvalTest.debugWithBreakpoint(ExpressionEvalTest.java:116)
	at org.eclipse.jdt.debug.tests.eval.ExpressionEvalTest.test547462_BooleanExpression(ExpressionEvalTest.java:66)
	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
	at java.base/java.lang.reflect.Method.invoke(Method.java:580)
	at junit.framework.TestCase.runTest(TestCase.java:177)
	at junit.framework.TestCase.runBare(TestCase.java:142)
	at org.eclipse.jdt.debug.tests.AbstractDebugTest.runBare(AbstractDebugTest.java:3022)
	at junit.framework.TestResult$1.protect(TestResult.java:122)
	at junit.framework.TestResult.runProtected(TestResult.java:142)
	at junit.framework.TestResult.run(TestResult.java:125)
	at junit.framework.TestCase.run(TestCase.java:130)
	at junit.framework.TestSuite.runTest(TestSuite.java:241)
	at junit.framework.TestSuite.run(TestSuite.java:236)
	at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90)
	at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:93)
	at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:40)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:520)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:748)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:443)
	at org.eclipse.pde.internal.junit.runtime.RemotePluginTestRunner.main(RemotePluginTestRunner.java:126)
	at org.eclipse.pde.internal.junit.runtime.PlatformUITestHarness.lambda$0(PlatformUITestHarness.java:45)
	at org.eclipse.e4.ui.internal.workbench.swt.E4Testable.lambda$1(E4Testable.java:127)
	at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40)
	at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:131)
	at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:5051)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4514)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1160)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:339)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1051)
	at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:153)
	at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:684)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:339)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:583)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:173)
	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:191)
	at org.eclipse.pde.internal.junit.runtime.NonUIThreadTestApplication.start(NonUIThreadTestApplication.java:58)
	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
	at java.base/java.lang.reflect.Method.invoke(Method.java:580)
	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
	at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
20:47:46.329 TDOWN ExpressionEvalTest.test547462_BooleanExpression

!ENTRY org.eclipse.core.resources 2 10035 2026-04-15 20:47:47.083
!MESSAGE The workspace will exit with unsaved changes in this session.

Having the code in StandardVMDebugger always throw results in this failure:

org.eclipse.core.runtime.CoreException: Cannot connect to VM
	at org.eclipse.jdt.launching.AbstractVMRunner.abort(AbstractVMRunner.java:56)
	at org.eclipse.jdt.internal.launching.StandardVMDebugger.run(StandardVMDebugger.java:462)
	at org.eclipse.jdt.launching.JavaLaunchDelegate.launch(JavaLaunchDelegate.java:176)
	at org.eclipse.debug.internal.core.LaunchConfiguration.launch(LaunchConfiguration.java:778)
	at org.eclipse.jdt.debug.tests.AbstractDebugTest.launchAndWait(AbstractDebugTest.java:1500)
	at org.eclipse.jdt.debug.tests.AbstractDebugTest.launchAndWait(AbstractDebugTest.java:1476)
	at org.eclipse.jdt.debug.tests.AbstractDebugTest.launchToBreakpoint(AbstractDebugTest.java:1684)
	at org.eclipse.jdt.debug.tests.AbstractDebugTest.launchToBreakpoint(AbstractDebugTest.java:1639)
	at org.eclipse.jdt.debug.tests.AbstractDebugTest.launchToBreakpoint(AbstractDebugTest.java:1611)
	at org.eclipse.jdt.debug.tests.AbstractDebugTest.launchToBreakpoint(AbstractDebugTest.java:1598)
	at org.eclipse.jdt.debug.tests.eval.ExpressionEvalTest.debugWithBreakpoint(ExpressionEvalTest.java:116)
	at org.eclipse.jdt.debug.tests.eval.ExpressionEvalTest.test547462_BooleanExpression(ExpressionEvalTest.java:66)
	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
	at java.base/java.lang.reflect.Method.invoke(Method.java:580)
	at junit.framework.TestCase.runTest(TestCase.java:177)
	at junit.framework.TestCase.runBare(TestCase.java:142)
	at org.eclipse.jdt.debug.tests.AbstractDebugTest.runBare(AbstractDebugTest.java:3022)
	at junit.framework.TestResult$1.protect(TestResult.java:122)
	at junit.framework.TestResult.runProtected(TestResult.java:142)
	at junit.framework.TestResult.run(TestResult.java:125)
	at junit.framework.TestCase.run(TestCase.java:130)
	at junit.framework.TestSuite.runTest(TestSuite.java:241)
	at junit.framework.TestSuite.run(TestSuite.java:236)
	at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90)
	at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:93)
	at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:40)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:520)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:748)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:443)
	at org.eclipse.pde.internal.junit.runtime.RemotePluginTestRunner.main(RemotePluginTestRunner.java:126)
	at org.eclipse.pde.internal.junit.runtime.PlatformUITestHarness.lambda$0(PlatformUITestHarness.java:45)
	at org.eclipse.e4.ui.internal.workbench.swt.E4Testable.lambda$1(E4Testable.java:127)
	at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40)
	at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:131)
	at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:5051)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4514)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1160)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:339)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1051)
	at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:153)
	at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:684)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:339)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:583)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:173)
	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:191)
	at org.eclipse.pde.internal.junit.runtime.NonUIThreadTestApplication.start(NonUIThreadTestApplication.java:58)
	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
	at java.base/java.lang.reflect.Method.invoke(Method.java:580)
	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
	at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
Caused by: java.net.BindException: test
	at org.eclipse.jdt.internal.launching.StandardVMDebugger.run(StandardVMDebugger.java:338)
	... 55 more

[trancexpress]

For some reason retrying didn't help here: https://download.eclipse.org/eclipse/downloads/drops4/I20260418-0433/testresults/ep440I-unit-macosx-x86_64-java21_macosx.cocoa.x86_64_21/org.eclipse.jdt.debug.tests.AutomatedSuite.txt

https://download.eclipse.org/eclipse/downloads/drops4/I20260418-0433/testresults/html/org.eclipse.jdt.debug.tests_ep440I-unit-macosx-x86_64-java21_macosx.cocoa.x86_64_21.html