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Set extension classloader as parent for the module classloader

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Marius Bogoevici
2015-09-02 15:19:22 -04:00
parent 3561ac4aa2
commit 80391fa876
1 changed files with 9 additions and 5 deletions
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14
spring-cloud-stream-module-launcher/src/main/java/org/springframework/boot/loader/ModuleJarLauncher.java
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@@ -82,11 +82,15 @@ public class ModuleJarLauncher extends ExecutableArchiveLauncher {
protected ClassLoader createClassLoader(URL[] urls) throws Exception {
ClassLoader systemClassLoader = ClassLoader.getSystemClassLoader();
if (systemClassLoader instanceof URLClassLoader) {
URLClassLoader classLoader = (URLClassLoader) systemClassLoader;
URL[] toUse = new URL[urls.length + classLoader.getURLs().length];
System.arraycopy(urls, 0, toUse, 0, urls.length);
System.arraycopy(classLoader.getURLs(), 0, toUse, urls.length, classLoader.getURLs().length);
return new LaunchedURLClassLoader(toUse, null);
// add the URLs of the application classloader to the created classloader
// to compensate for LaunchedURLClassLoader not delegating to parent to retrieve resources
URLClassLoader systemUrlClassLoader = (URLClassLoader) systemClassLoader;
URL[] mergedUrls = new URL[urls.length + systemUrlClassLoader.getURLs().length];
System.arraycopy(urls, 0, mergedUrls, 0, urls.length);
System.arraycopy(systemUrlClassLoader.getURLs(), 0, mergedUrls, urls.length,
systemUrlClassLoader.getURLs().length);
// add the extension classloader as parent to the created context, if accessible
return new LaunchedURLClassLoader(mergedUrls, systemUrlClassLoader.getParent());
} else {
return new LaunchedURLClassLoader(urls, systemClassLoader);
}