SpringCloud/spring-cloud-stream
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Fix launcher ClassLoader parent

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This commit is contained in:
Eric Bottard
2015-08-13 17:31:18 +02:00
committed by Marius Bogoevici
parent b7296705f3
commit 47d84a8dc4
1 changed files with 10 additions and 1 deletions
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11
spring-cloud-stream-module-launcher/src/main/java/org/springframework/boot/loader/ModuleJarLauncher.java
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@@ -29,6 +29,9 @@ import org.springframework.util.ReflectionUtils;
* A (possibly temporary) alternative to {@link JarLauncher} that provides a public
* {@link #launch(String[])} method.
*
* Also, it restricts the classloader of the launched application to the contents of the uber-jar and the
* extension classloader of the JVM.
*
* @author Mark Fisher
* @author Marius Bogoevici
*/
@@ -76,7 +79,13 @@ public class ModuleJarLauncher extends ExecutableArchiveLauncher {
@Override
protected ClassLoader createClassLoader(URL[] urls) throws Exception {
return new LaunchedURLClassLoader(urls, ClassLoader.getSystemClassLoader());
ClassLoader systemClassLoader = ClassLoader.getSystemClassLoader();
// try to retrieve the extension classloader
ClassLoader extensionClassLoader = systemClassLoader != null ? systemClassLoader.getParent() : null;
// set the classloader for the module as the extension classloader if available
// fall back to the system classloader (which can also be null) if not available
ClassLoader classLoaderForModule = extensionClassLoader != null ? extensionClassLoader : systemClassLoader;
return new LaunchedURLClassLoader(urls, classLoaderForModule);
}
}