From d559773a0e3679a6894390b17380332b84843f57 Mon Sep 17 00:00:00 2001
From: Tejaswini Bandlamudi <96047043+tejaswini-imply@users.noreply.github.com>
Date: Mon, 4 Jul 2022 17:07:39 +0530
Subject: [PATCH] sets Hadoop conf ClassLoader (#12738)

---
 .../org/apache/druid/data/input/orc/OrcExtensionsModule.java  | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/extensions-core/orc-extensions/src/main/java/org/apache/druid/data/input/orc/OrcExtensionsModule.java b/extensions-core/orc-extensions/src/main/java/org/apache/druid/data/input/orc/OrcExtensionsModule.java
index 110ac82dc0f..d39b757540a 100644
--- a/extensions-core/orc-extensions/src/main/java/org/apache/druid/data/input/orc/OrcExtensionsModule.java
+++ b/extensions-core/orc-extensions/src/main/java/org/apache/druid/data/input/orc/OrcExtensionsModule.java
@@ -62,6 +62,10 @@ public class OrcExtensionsModule implements DruidModule
     // to properly initialize everything
 
     final Configuration conf = new Configuration();
+
+    // Set explicit CL. Otherwise it'll try to use thread context CL, which may not have all of our dependencies.
+    conf.setClassLoader(getClass().getClassLoader());
+
     if (props != null) {
       for (String propName : props.stringPropertyNames()) {
         if (propName.startsWith("hadoop.")) {