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Fix PropertiesLauncher classpath detection without 'loader.path' set
Update `PropertiesLauncher` to restore classpath detection logic applied when no `loader.path` property is set. Fixes gh-37992
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@ -38,11 +38,7 @@ public class JarLauncher extends ExecutableArchiveLauncher {
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@Override
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protected boolean isIncludedOnClassPath(Archive.Entry entry) {
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String name = entry.name();
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if (entry.isDirectory()) {
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return name.equals("BOOT-INF/classes/");
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}
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return name.startsWith("BOOT-INF/lib/");
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return isLibraryFileOrClassesDirectory(entry);
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}
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@Override
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@ -50,6 +46,14 @@ public class JarLauncher extends ExecutableArchiveLauncher {
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return "BOOT-INF/";
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}
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static boolean isLibraryFileOrClassesDirectory(Archive.Entry entry) {
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String name = entry.name();
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if (entry.isDirectory()) {
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return name.equals("BOOT-INF/classes/");
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}
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return name.startsWith("BOOT-INF/lib/");
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}
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public static void main(String[] args) throws Exception {
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new JarLauncher().launch(args);
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}
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@ -140,7 +140,11 @@ public class PropertiesLauncher extends Launcher {
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private final Properties properties = new Properties();
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public PropertiesLauncher() throws Exception {
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this.archive = Archive.create(Launcher.class);
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this(Archive.create(Launcher.class));
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}
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PropertiesLauncher(Archive archive) throws Exception {
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this.archive = archive;
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this.homeDirectory = getHomeDirectory();
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initializeProperties();
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this.paths = getPaths();
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@ -464,6 +468,8 @@ public class PropertiesLauncher extends Launcher {
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path = cleanupPath(handleUrl(path));
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urls.addAll(getClassPathUrlsForPath(path));
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}
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urls.addAll(getClassPathUrlsForRoot());
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debug.log("Using class path URLs %s", urls);
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return urls;
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}
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@ -531,6 +537,11 @@ public class PropertiesLauncher extends Launcher {
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}
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}
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private Set<URL> getClassPathUrlsForRoot() throws IOException {
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debug.log("Adding classpath entries from root archive %s", this.archive);
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return this.archive.getClassPathUrls(JarLauncher::isLibraryFileOrClassesDirectory);
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}
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private Predicate<Entry> includeByPrefix(String prefix) {
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return (entry) -> (entry.isDirectory() && entry.name().equals(prefix))
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|| (isArchive(entry) && entry.name().startsWith(prefix));
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@ -37,11 +37,7 @@ public class WarLauncher extends ExecutableArchiveLauncher {
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@Override
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public boolean isIncludedOnClassPath(Archive.Entry entry) {
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String name = entry.name();
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if (entry.isDirectory()) {
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return name.equals("WEB-INF/classes/");
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}
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return name.startsWith("WEB-INF/lib/") || name.startsWith("WEB-INF/lib-provided/");
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return isLibraryFileOrClassesDirectory(entry);
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}
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@Override
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@ -49,6 +45,14 @@ public class WarLauncher extends ExecutableArchiveLauncher {
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return "WEB-INF/";
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}
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static boolean isLibraryFileOrClassesDirectory(Archive.Entry entry) {
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String name = entry.name();
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if (entry.isDirectory()) {
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return name.equals("WEB-INF/classes/");
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}
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return name.startsWith("WEB-INF/lib/") || name.startsWith("WEB-INF/lib-provided/");
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}
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public static void main(String[] args) throws Exception {
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new WarLauncher().launch(args);
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}
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@ -18,6 +18,7 @@ package org.springframework.boot.loader.launch;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.InputStream;
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import java.net.URL;
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import java.net.URLClassLoader;
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import java.time.Duration;
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@ -26,7 +27,10 @@ import java.util.LinkedHashSet;
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import java.util.List;
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import java.util.Set;
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import java.util.jar.Attributes;
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import java.util.jar.JarFile;
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import java.util.jar.JarOutputStream;
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import java.util.jar.Manifest;
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import java.util.zip.ZipEntry;
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import org.assertj.core.api.Condition;
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import org.awaitility.Awaitility;
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@ -309,8 +313,8 @@ class PropertiesLauncherTests {
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assertThat(Arrays.asList(this.launcher.getArgs("bar"))).hasToString("[foo, bar]");
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}
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@SuppressWarnings("unchecked")
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@Test
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@SuppressWarnings("unchecked")
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void testLoadPathCustomizedUsingManifest() throws Exception {
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System.setProperty("loader.home", this.tempDir.getAbsolutePath());
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Manifest manifest = new Manifest();
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@ -364,6 +368,29 @@ class PropertiesLauncherTests {
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assertThat(bytes).isNotEmpty();
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}
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@Test // gh-37992
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void classPathWithoutLoaderPathDefaultsToJarLauncherIncludes() throws Exception {
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File file = new File(this.tempDir, "test.jar");
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try (JarOutputStream out = new JarOutputStream(new FileOutputStream(file))) {
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try (JarFile in = new JarFile(new File("src/test/resources/jars/app.jar"))) {
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out.putNextEntry(new ZipEntry("BOOT-INF/"));
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out.putNextEntry(new ZipEntry("BOOT-INF/classes/"));
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out.putNextEntry(new ZipEntry("BOOT-INF/classes/demo/"));
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out.putNextEntry(new ZipEntry("BOOT-INF/classes/demo/Application.class"));
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try (InputStream classIn = in.getInputStream(in.getEntry("demo/Application.class"))) {
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classIn.transferTo(out);
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}
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out.closeEntry();
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}
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}
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Archive archive = new JarFileArchive(file);
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System.setProperty("loader.main", "demo.Application");
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this.launcher = new PropertiesLauncher(archive);
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this.launcher.launch(new String[0]);
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waitFor("Hello World");
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}
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private void waitFor(String value) {
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Awaitility.waitAtMost(Duration.ofSeconds(5)).until(this.output::toString, containsString(value));
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}
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