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Java LS with vscode-pde rebuilds workspace for every restart #1961

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Java LS with vscode-pde rebuilds workspace for every restart #1961

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38 changes: 34 additions & 4 deletions org.eclipse.jdt.ls.core/src/org/eclipse/jdt/ls/core/internal/JVMConfigurator.java
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
/*******************************************************************************
* Copyright (c) 2019-2020 Red Hat Inc. and others.
* Copyright (c) 2019-2021 Red Hat Inc. and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
Expand Down Expand Up @@ -56,10 +56,11 @@
*/
public class JVMConfigurator implements IVMInstallChangedListener {

public static final String JAVA_LS_DO_NOT_SET_DEFAULT_JVM = "java.ls.doNotSetDefaultJVM"; //$NON-NLS-1$
public static final String MAC_OSX_VM_TYPE = "org.eclipse.jdt.internal.launching.macosx.MacOSXType"; //$NON-NLS-1$

public static boolean configureDefaultVM(String javaHome) throws CoreException {
if (StringUtils.isBlank(javaHome)) {
if (StringUtils.isBlank(javaHome) || Boolean.getBoolean(JAVA_LS_DO_NOT_SET_DEFAULT_JVM)) {
return false;
}
File jvmHome = new File(javaHome);
Expand Down Expand Up @@ -97,7 +98,7 @@ public static boolean configureDefaultVM(String javaHome) throws CoreException {
JavaLanguageServerPlugin.logInfo("Setting java.home " + jvmHome + " as default global VM");
JavaRuntime.setDefaultVMInstall(vm, new NullProgressMonitor());
JDTUtils.setCompatibleVMs(vm.getId());

setDefaultEnvironmentVM(vm);
return true;
}

Expand Down Expand Up @@ -179,7 +180,7 @@ public static boolean configureJVMs(Preferences preferences, JavaClientConnectio
}
}
vm = vmStandin.convertToRealVM();
if (runtime.isDefault()) {
if (runtime.isDefault() && !Boolean.getBoolean(JAVA_LS_DO_NOT_SET_DEFAULT_JVM)) {
defaultVMSet = true;
if (!Objects.equals(vm, JavaRuntime.getDefaultVMInstall())) {
JavaLanguageServerPlugin.logInfo("Setting runtime " + runtime.getName() + "-" + runtime.getInstallationFile() + " as default global VM");
Expand Down Expand Up @@ -229,12 +230,41 @@ private static void sendNotification(JavaClientConnection connection, String mes
connection.showNotificationMessage(MessageType.Error, message);
}

private static boolean setDefaultEnvironmentVM(IVMInstall vm) {
if (vm instanceof AbstractVMInstall) {
AbstractVMInstall jvm = (AbstractVMInstall) vm;
long jdkLevel = CompilerOptions.versionToJdkLevel(jvm.getJavaVersion());
String vmCompliance = CompilerOptions.versionFromJdkLevel(jdkLevel);
IExecutionEnvironmentsManager manager = JavaRuntime.getExecutionEnvironmentsManager();
IExecutionEnvironment[] environments = manager.getExecutionEnvironments();
for (IExecutionEnvironment environment : environments) {
if (environment != null) {
if (Objects.equals(vm, environment.getDefaultVM())) {
return true;
}
String compliance = environment.getComplianceOptions().get(JavaCore.COMPILER_COMPLIANCE);
if (Objects.equals(vmCompliance, compliance)) {
if (environment.isStrictlyCompatible(vm)) {
JavaLanguageServerPlugin.logInfo("Setting " + vm.getInstallLocation() + " as '" + environment.getId() + "' environment (id:" + vm.getId() + ")");
environment.setDefaultVM(vm);
return true;
}
}
}
}
}
return false;
}

private static boolean setDefaultEnvironmentVM(IVMInstall vm, String name) {
IExecutionEnvironment environment = getExecutionEnvironment(name);
if (environment != null) {
if (Objects.equals(vm, environment.getDefaultVM())) {
return true;
}
if (Objects.equals(environment.getDefaultVM(), JavaRuntime.getDefaultVMInstall())) {
return true;
}
IVMInstall[] compatibleVMs = environment.getCompatibleVMs();
for (IVMInstall compatibleVM : compatibleVMs) {
if (compatibleVM.equals(vm)) {
Expand Down
4 changes: 3 additions & 1 deletion org.eclipse.jdt.ls.core/src/org/eclipse/jdt/ls/core/internal/preferences/Preferences.java
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Original file line number Diff line number Diff line change
Expand Up @@ -998,7 +998,9 @@ public static Preferences createFrom(Map<String, Object> configuration) {
if (v instanceof Boolean) {
runtime.setDefault((Boolean) v);
}
hasDefault[0] = true;
if (runtime.isDefault()) {
hasDefault[0] = true;
}
}
break;
default:
Expand Down
85 changes: 83 additions & 2 deletions org.eclipse.jdt.ls.tests/src/org/eclipse/jdt/ls/core/internal/JVMConfiguratorTest.java
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
/*******************************************************************************
* Copyright (c) 2019-2020 Red Hat Inc. and others.
* Copyright (c) 2019-2021 Red Hat Inc. and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
Expand All @@ -13,6 +13,7 @@
package org.eclipse.jdt.ls.core.internal;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
Expand Down Expand Up @@ -109,6 +110,27 @@ public void testDefaultVM() throws CoreException {
assertEquals("9", newDefaultVM.getId());
}

// https://github.com/eclipse/eclipse.jdt.ls/issues/1960
@Test
public void testJavaLSSetDefaultJVM() throws CoreException {
String setDefaultJVM = System.getProperty(JVMConfigurator.JAVA_LS_DO_NOT_SET_DEFAULT_JVM);
try {
System.setProperty(JVMConfigurator.JAVA_LS_DO_NOT_SET_DEFAULT_JVM, "true");
String javaHome = new File(TestVMType.getFakeJDKsLocation(), "9").getAbsolutePath();
boolean changed = JVMConfigurator.configureDefaultVM(javaHome);
IVMInstall newDefaultVM = JavaRuntime.getDefaultVMInstall();
assertFalse("A VM has been changed", changed);
assertEquals(originalVm, newDefaultVM);
assertNotEquals("9", newDefaultVM.getId());
} finally {
if (setDefaultJVM != null) {
System.setProperty(JVMConfigurator.JAVA_LS_DO_NOT_SET_DEFAULT_JVM, setDefaultJVM);
} else {
System.clearProperty(JVMConfigurator.JAVA_LS_DO_NOT_SET_DEFAULT_JVM);
}
}
}

@Test
public void testJVM() throws Exception {
try {
Expand Down Expand Up @@ -140,7 +162,6 @@ public void testJVM() throws Exception {
assertTrue(vm instanceof IVMInstall2);
String version = ((IVMInstall2) vm).getJavaVersion();
assertTrue(version.startsWith(JavaCore.VERSION_11));
StandardVMType svt = (StandardVMType) vm.getVMInstallType();
LibraryLocation[] libs = vm.getLibraryLocations();
assertNotNull(libs);
for (LibraryLocation lib : libs) {
Expand All @@ -162,6 +183,66 @@ public void testJVM() throws Exception {
assertNull(vm);
}

// https://github.com/eclipse/eclipse.jdt.ls/issues/1960
@Test
public void testJVM2() throws Exception {
String setDefaultJVM = System.getProperty(JVMConfigurator.JAVA_LS_DO_NOT_SET_DEFAULT_JVM);
try {
System.setProperty(JVMConfigurator.JAVA_LS_DO_NOT_SET_DEFAULT_JVM, "true");
Preferences prefs = new Preferences();
Bundle bundle = Platform.getBundle(JavaLanguageServerTestPlugin.PLUGIN_ID);
URL url = FileLocator.toFileURL(bundle.getEntry("/fakejdk2/11a"));
File file = URIUtil.toFile(URIUtil.toURI(url));
String path = file.getAbsolutePath();
String javadoc = "file:///javadoc";
Set<RuntimeEnvironment> runtimes = new HashSet<>();
RuntimeEnvironment runtime = new RuntimeEnvironment();
runtime.setPath(path);
runtime.setName(ENVIRONMENT_NAME);
runtime.setJavadoc(javadoc);
runtime.setDefault(true);
assertTrue(runtime.isValid());
runtimes.add(runtime);
prefs.setRuntimes(runtimes);
file = runtime.getInstallationFile();
assertTrue(file != null && file.isDirectory());
IVMInstallType installType = JavaRuntime.getVMInstallType(StandardVMType.ID_STANDARD_VM_TYPE);
IStatus status = installType.validateInstallLocation(file);
assertTrue(status.toString(), status.isOK());
boolean changed = JVMConfigurator.configureJVMs(prefs);
assertTrue("A VM hasn't been changed", changed);
JobHelpers.waitForJobsToComplete();
IVMInstall vm = JVMConfigurator.findVM(runtime.getInstallationFile(), ENVIRONMENT_NAME);
assertNotNull(vm);
assertTrue(vm instanceof IVMInstall2);
String version = ((IVMInstall2) vm).getJavaVersion();
assertTrue(version.startsWith(JavaCore.VERSION_11));
LibraryLocation[] libs = vm.getLibraryLocations();
assertNotNull(libs);
for (LibraryLocation lib : libs) {
assertEquals(runtime.getJavadocURL(), lib.getJavadocLocation());
}
IVMInstall newDefaultVM = JavaRuntime.getDefaultVMInstall();
assertEquals(originalVm, newDefaultVM);
assertNotEquals(vm, newDefaultVM);
IExecutionEnvironment environment = JVMConfigurator.getExecutionEnvironment(ENVIRONMENT_NAME);
assertNotNull(environment);
assertEquals(vm, environment.getDefaultVM());
} finally {
IVMInstall vm = JVMConfigurator.findVM(null, ENVIRONMENT_NAME);
if (vm != null) {
vm.getVMInstallType().disposeVMInstall(vm.getId());
}
if (setDefaultJVM != null) {
System.setProperty(JVMConfigurator.JAVA_LS_DO_NOT_SET_DEFAULT_JVM, setDefaultJVM);
} else {
System.clearProperty(JVMConfigurator.JAVA_LS_DO_NOT_SET_DEFAULT_JVM);
}
}
IVMInstall vm = JVMConfigurator.findVM(null, ENVIRONMENT_NAME);
assertNull(vm);
}

@Test
public void testInvalidJavadoc() throws Exception {
Bundle bundle = Platform.getBundle(JavaLanguageServerTestPlugin.PLUGIN_ID);
Expand Down