Github user olegz commented on a diff in the pull request:
https://github.com/apache/nifi/pull/1219#discussion_r88040615
--- Diff:
nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-core/src/main/java/org/apache/nifi/groups/StandardProcessGroup.java
---
@@ -746,8 +746,11 @@ public void run() {
removeConnection(conn);
}
- ExtensionManager.removeInstanceClassLoaderIfExists(id);
LOG.info("{} removed from flow", processor);
+
+ // this must be called after the logging statement b/c the
toString of processor calls NarCloseable
+ // and ends up using the InstanceClassLoader
+ ExtensionManager.removeInstanceClassLoaderIfExists(id);
--- End diff --
I see. . . then I am fine
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