From 753493121177d92221e199b9f1ca9f35b50f3556 Mon Sep 17 00:00:00 2001
From: Frederick Muriuki Muriithi
Date: Thu, 6 Apr 2023 13:27:23 +0300
Subject: correlations: Provide more output to enable debug of errors.

---
 wqflask/wqflask/templates/correlation_error_page.html |  5 +++++
 wqflask/wqflask/views.py                              | 10 +++++++---
 2 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/wqflask/wqflask/templates/correlation_error_page.html b/wqflask/wqflask/templates/correlation_error_page.html
index 9197e4a9..7d11daf0 100644
--- a/wqflask/wqflask/templates/correlation_error_page.html
+++ b/wqflask/wqflask/templates/correlation_error_page.html
@@ -14,5 +14,10 @@
 <div class="container">
   <h3 style="color: red;">{{error["error-type"]}}</h3>
   <p>{{error["error-message"]}}</p>
+  <p style="background-color: black; color: green;">
+    {%for line in error["stderr-output"]%}
+    {{line}}<br />
+    {%endfor%}
+  </p>
 </div>
 {%endblock%}
diff --git a/wqflask/wqflask/views.py b/wqflask/wqflask/views.py
index c71ae3c3..69576cc4 100644
--- a/wqflask/wqflask/views.py
+++ b/wqflask/wqflask/views.py
@@ -902,10 +902,14 @@ def corr_compute_page():
 
         if jobs.completed_erroneously(job):
             try:
-                ## The "parseable" error report is actually in STDOUT
-                output = json.loads(job.get("stdout") or "{}")
+                error_output = {
+                    "error-type": "ComputeError",
+                    "error-message": "There was an error computing the correlations",
+                    **json.loads(job.get("stdout") or "{}"),
+                    "stderr-output": job.get("stderr", "").split("\n")
+                }
                 return render_template(
-                    "correlation_error_page.html", error=output)
+                    "correlation_error_page.html", error=error_output)
             except json.decoder.JSONDecodeError as jde:
                 raise Exception(f"STDOUT: {job.get('stdout')}") from jde
 
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