Github user vrozov commented on a diff in the pull request:
https://github.com/apache/incubator-apex-core/pull/208#discussion_r50790859
--- Diff: engine/src/main/java/com/datatorrent/stram/StramLocalCluster.java
---
@@ -318,6 +333,21 @@ public StramLocalCluster(LogicalPlan dag) throws
IOException, ClassNotFoundExcep
}
}
+ private void addExtraJarsToClasspath(Set<String> jars)
+ throws InvocationTargetException, IllegalAccessException,
MalformedURLException, NoSuchMethodException
+ {
+ List<URL> jarUrls = new LinkedList<>();
+ for (String jarPath : jars) {
+ File file = new File(jarPath);
+ URL url = file.toURI().toURL();
+ jarUrls.add(url);
+ }
+
+ ClassLoader prevCl = Thread.currentThread().getContextClassLoader();
+ ClassLoader urlCl = URLClassLoader.newInstance(jarUrls.toArray(new
URL[jarUrls.size()]), prevCl);
+ Thread.currentThread().setContextClassLoader(urlCl);
--- End diff --
I doubt that this provides required functionality as for example
Class.forName() will not work if it is called from the top level module or
operator loaded by the system ClassLoader.
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