debug java error

Dockerfile

@@ -16,8 +16,9 @@ RUN pip install --no-cache-dir -r requirements.txt
 # Pre-download NLTK data
 RUN python -c "import nltk; nltk.download('wordnet', download_dir='/usr/share/nltk_data'); nltk.download('omw-1.4', download_dir='/usr/share/nltk_data')"
 
-# Download SPICE-1.0 from HF dataset repo
-RUN python -c "from huggingface_hub import snapshot_download; snapshot_download(repo_id='Gayanukaa/spice-1.0-jar', repo_type='dataset', local_dir='/app/SPICE-1.0')"
+# Download SPICE-1.0 from HF dataset repo and fix ownership for non-root user
+RUN python -c "from huggingface_hub import snapshot_download; snapshot_download(repo_id='Gayanukaa/spice-1.0-jar', repo_type='dataset', local_dir='/app/SPICE-1.0')" \
+    && chown -R user:user /app/SPICE-1.0
 
 COPY --chown=user:user . .
 

evaluator.py

@@ -31,12 +31,16 @@ def _run_spice(input_json: str, output_json: str, detailed: bool, log_fn=None) -
     proc = subprocess.Popen(
         cmd, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, text=True
     )
+    output_lines = []
     for line in proc.stdout:
+        stripped = line.rstrip()
+        output_lines.append(stripped)
         if log_fn:
-            log_fn(line.rstrip())
+            log_fn(stripped)
     ret = proc.wait()
     if ret != 0:
-        raise RuntimeError(f"SPICE exited {ret}")
+        tail = "\n".join(output_lines[-20:])
+        raise RuntimeError(f"SPICE exited {ret}. Output:\n{tail}")
 
     with open(output_json, "r") as f:
         results = json.load(f)