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Avoid Illegal reflective access warnings with devtools
This commit improves RestartClassLoader to use a method introduced in SmartClassLoader to avoid triggering a warning on Java 11 and later. See https://github.com/spring-projects/spring-framework/issues/26403 Closes gh-24857
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@ -1,5 +1,5 @@
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/*
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* Copyright 2012-2020 the original author or authors.
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* Copyright 2012-2021 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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@ -22,6 +22,7 @@ import java.net.URL;
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import java.net.URLClassLoader;
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import java.security.AccessController;
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import java.security.PrivilegedAction;
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import java.security.ProtectionDomain;
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import java.util.Enumeration;
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import org.apache.commons.logging.Log;
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@ -167,6 +168,11 @@ public class RestartClassLoader extends URLClassLoader implements SmartClassLoad
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});
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}
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@Override
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public Class<?> publicDefineClass(String name, byte[] b, ProtectionDomain protectionDomain) {
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return defineClass(name, b, 0, b.length, protectionDomain);
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}
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private URL createFileUrl(String name, ClassLoaderFile file) {
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try {
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return new URL("reloaded", null, -1, "/" + name, new ClassLoaderFileURLStreamHandler(file));
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@ -1,5 +1,5 @@
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/*
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* Copyright 2012-2020 the original author or authors.
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* Copyright 2012-2021 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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@ -25,6 +25,7 @@ import java.net.URLClassLoader;
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import java.nio.charset.StandardCharsets;
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import java.util.Collections;
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import java.util.Enumeration;
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import java.util.HashMap;
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import java.util.List;
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import java.util.jar.JarOutputStream;
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import java.util.zip.ZipEntry;
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@ -34,6 +35,7 @@ import org.junit.jupiter.api.BeforeEach;
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import org.junit.jupiter.api.Test;
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import org.junit.jupiter.api.io.TempDir;
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import org.springframework.aop.framework.ProxyFactory;
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import org.springframework.boot.devtools.restart.classloader.ClassLoaderFile.Kind;
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import org.springframework.util.FileCopyUtils;
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import org.springframework.util.StreamUtils;
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@ -200,6 +202,14 @@ class RestartClassLoaderTests {
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assertThat(loaded.getClassLoader()).isEqualTo(this.reloadClassLoader);
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}
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@Test
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void proxyOnClassFromSystemClassLoaderDoesNotYieldWarning() {
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ProxyFactory pf = new ProxyFactory(new HashMap<>());
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pf.setProxyTargetClass(true);
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pf.getProxy(this.reloadClassLoader);
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// Warning would happen outside the boundary of the test
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}
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private String readString(InputStream in) throws IOException {
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return new String(FileCopyUtils.copyToByteArray(in));
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}
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