From 766ef4bb53e5509976f17f6314c92b4cd5b1012a Mon Sep 17 00:00:00 2001
From: vemv <vemv@users.noreply.github.com>
Date: Fri, 18 Aug 2023 12:55:10 +0200
Subject: [PATCH] Handle unloadable classes

Fixes #9
---
 CHANGELOG.md              |  6 ++++++
 src/haystack/analyzer.clj | 15 ++++++++++-----
 2 files changed, 16 insertions(+), 5 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index c0a4125..9c96f00 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,12 @@
 
 ## master (unreleased)
 
+### Bugs fixed
+
+* [#9](https://github.com/clojure-emacs/haystack/issues/9): handle unloadable classes.
+
+## 0.0.3
+
 ### Changes
 
 * Add stacktrace analyzer and parsers.
diff --git a/src/haystack/analyzer.clj b/src/haystack/analyzer.clj
index 8fe747d..7fcc3ba 100644
--- a/src/haystack/analyzer.clj
+++ b/src/haystack/analyzer.clj
@@ -87,11 +87,16 @@
                                    path->url
                                    str)
                            (str (frame->url frame)))))
-    (assoc frame :file-url (some->> frame :name symbol
-                                    (java/resolve-symbol 'user)
-                                    :file
-                                    path->url
-                                    str))))
+    (assoc frame :file-url (try
+                             (some->> frame :name symbol
+                                      (java/resolve-symbol 'user)
+                                      :file
+                                      path->url
+                                      str)
+                             (catch Throwable _
+                               ;; `java/resolve-symbol` can throw exceptions when the underlying class cannot be loaded.
+                               ;; See https://github.com/clojure-emacs/haystack/issues/9
+                               nil)))))
 
 (defn- analyze-file
   "Associate the file type (extension) of the source file to the frame map, and