From 9769dd85d44a9bd0780d99d98f7cb9e20f5bf79d Mon Sep 17 00:00:00 2001
From: Jesse Glick <jglick@cloudbees.com>
Date: Fri, 27 Jan 2023 13:54:03 -0500
Subject: [PATCH] Handle `IllegalArgumentException` from `Properties.load`

---
 .../org/jenkinsci/maven/plugins/hpi/PluginWorkspaceMapImpl.java | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/main/java/org/jenkinsci/maven/plugins/hpi/PluginWorkspaceMapImpl.java b/src/main/java/org/jenkinsci/maven/plugins/hpi/PluginWorkspaceMapImpl.java
index 4fa919d3a2..45b61465f0 100644
--- a/src/main/java/org/jenkinsci/maven/plugins/hpi/PluginWorkspaceMapImpl.java
+++ b/src/main/java/org/jenkinsci/maven/plugins/hpi/PluginWorkspaceMapImpl.java
@@ -36,6 +36,8 @@ private Properties loadMap() throws IOException {
         if (mapFile.isFile()) {
             try (InputStream is = new FileInputStream(mapFile)) {
                 p.load(is);
+            } catch (IllegalArgumentException x) {
+                throw new IOException("Malformed " + mapFile + ": " + x, x);
             }
         }
         return p;