From cb1a1663eb33b5baf0a0e360dc483243c816523b Mon Sep 17 00:00:00 2001
From: Jason Gerlowski <gerlowskija@apache.org>
Date: Mon, 2 Dec 2024 11:25:01 -0500
Subject: [PATCH] Ensure modules enabled for 'techproduct' example

---
 .../core/src/java/org/apache/solr/cli/RunExampleTool.java | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/solr/core/src/java/org/apache/solr/cli/RunExampleTool.java b/solr/core/src/java/org/apache/solr/cli/RunExampleTool.java
index 783d58e0a57..04b0a5b21e4 100644
--- a/solr/core/src/java/org/apache/solr/cli/RunExampleTool.java
+++ b/solr/core/src/java/org/apache/solr/cli/RunExampleTool.java
@@ -647,6 +647,11 @@ protected Map<String, Object> startSolr(
     if (!isWindows && cwdPath.length() > 1 && solrHome.startsWith(cwdPath))
       solrHome = solrHome.substring(cwdPath.length() + 1);
 
+    final var syspropArg =
+        ("techproducts".equals(cli.getOptionValue("example")))
+            ? "-Dsolr.modules=clustering,extraction,langid,ltr,scripting -Dsolr.ltr.enabled=true -Dsolr.clustering.enabled=true"
+            : "";
+
     String startCmd =
         String.format(
             Locale.ROOT,
@@ -661,7 +666,8 @@ protected Map<String, Object> startSolr(
             forceArg,
             verboseArg,
             extraArgs,
-            jvmOptsArg);
+            jvmOptsArg,
+            syspropArg);
     startCmd = startCmd.replaceAll("\\s+", " ").trim(); // for pretty printing
 
     echo("\nStarting up Solr on port " + port + " using command:");