diff --git a/deploy/scripts/test-generate.sh b/deploy/scripts/test-generate.sh
index fa7a1c6..37e3861 100755
--- a/deploy/scripts/test-generate.sh
+++ b/deploy/scripts/test-generate.sh
@@ -516,9 +516,9 @@ fi
 _vn="${DEPLOY_DIR}/scripts/verify-nessie.sh"
 if [[ -x "${_vn}" ]] && bash -n "${_vn}" 2>/dev/null \
    && grep -q 'api/v2/config' "${_vn}" && grep -q 'v1/namespaces' "${_vn}" \
-   && grep -q 'Iceberg REST' "${_vn}" && grep -q 'code_hint' "${_vn}" \
-   && grep -q 'namespace' "${_vn}"; then
-  ok "verify-nessie.sh: versi + dukungan API (native v2 + Iceberg REST) + contoh namespace"
+   && grep -q 'ns_cands' "${_vn}" && grep -q 'Iceberg REST' "${_vn}" \
+   && grep -q 'code_hint' "${_vn}" && grep -q 'namespace' "${_vn}"; then
+  ok "verify-nessie.sh: versi + dukungan API (native v2 + Iceberg REST) + contoh namespace (multi-kandidat path)"
 else
   bad "verify-nessie.sh hilang/tidak lengkap"
 fi
diff --git a/deploy/scripts/verify-nessie.sh b/deploy/scripts/verify-nessie.sh
index d450891..21f4385 100755
--- a/deploy/scripts/verify-nessie.sh
+++ b/deploy/scripts/verify-nessie.sh
@@ -139,32 +139,60 @@ echo ""
 # C. Catalog — contoh schema (namespace) & refs
 # ─────────────────────────────────────────────────────────────────────────────
 echo -e "${BOLD}C. Catalog — contoh schema (≤5) & refs${NC}"
-ns_json="$(curl -sf --max-time 10 "${BASE}${PFX}/v1/namespaces" 2>/dev/null || echo "")"
-if [[ -z "${ns_json}" ]]; then
-  code="$(http_code "${BASE}${PFX}/v1/namespaces")"
-  if [[ -z "${ic_cfg}" ]]; then
-    warn "Tak bisa membaca namespace karena Iceberg REST tak tersedia [HTTP ${code}]"
-  else
-    fail "Iceberg REST aktif tetapi namespace tak terbaca [HTTP ${code} — $(code_hint "${code}")]"
-  fi
-else
-  ns_out="$(printf '%s' "${ns_json}" | python3 -c '
+# Endpoint 'namespaces' Iceberg REST memakai PREFIX (warehouse/branch) yang bergantung
+# pada server — `/v1/namespaces` (tanpa prefix) bisa 404 walau REST aktif. Coba beberapa
+# kandidat; kandidat pertama yang mengembalikan JSON namespace dipakai.
+ns_parse() {
+  printf '%s' "$1" | python3 -c '
 import sys, json
 try:
     d = json.load(sys.stdin)
 except Exception:
-    print("0|"); sys.exit()
-ns = d.get("namespaces") or []
+    sys.exit(1)
+ns = d.get("namespaces")
+if ns is None:
+    sys.exit(1)
 def flat(n): return ".".join(n) if isinstance(n, list) else str(n)
 print(f"{len(ns)}|" + ", ".join(flat(n) for n in ns[:5]))
+' 2>/dev/null
+}
+ic_prefix="$(printf '%s' "${ic_cfg}" | python3 -c '
+import sys, json
+try:
+    d = json.load(sys.stdin)
+except Exception:
+    sys.exit()
+ov = d.get("overrides") or {}; df = d.get("defaults") or {}
+print(ov.get("prefix") or df.get("prefix") or "")
 ' 2>/dev/null)"
+ns_cands=()
+[[ -n "${ic_prefix}" ]] && ns_cands+=("${BASE}${PFX}/v1/${ic_prefix}/namespaces")
+ns_cands+=("${BASE}${PFX}/v1/namespaces")
+[[ -n "${WAREHOUSE}" ]] && ns_cands+=("${BASE}${PFX}/v1/${WAREHOUSE}/namespaces")
+ns_cands+=("${BASE}${PFX}/v1/main/namespaces")
+[[ -n "${WAREHOUSE}" ]] && ns_cands+=("${BASE}${PFX}/v1/main%7C${WAREHOUSE}/namespaces")
+[[ -n "${WAREHOUSE}" ]] && ns_cands+=("${BASE}${PFX}/v1/%7C${WAREHOUSE}/namespaces")
+ns_out=""; ns_used=""
+for _u in "${ns_cands[@]}"; do
+  _j="$(curl -sf --max-time 10 "${_u}" 2>/dev/null || echo "")"
+  if [[ -n "${_j}" ]] && ns_out="$(ns_parse "${_j}")" && [[ -n "${ns_out}" ]]; then ns_used="${_u}"; break; fi
+  ns_out=""
+done
+if [[ -n "${ns_out}" ]]; then
   ns_count="${ns_out%%|*}"; ns_list="${ns_out#*|}"
   if [[ "${ns_count:-0}" -gt 0 ]]; then
     pass "Catalog berisi ${ns_count} namespace — contoh (≤5): ${ns_list}"
   else
     warn "Iceberg REST aktif tetapi catalog MASIH KOSONG (0 namespace) — normal sebelum ingest"
-    info "Konteks konfigurasi: bucket='${BUCKET}' warehouse='${WAREHOUSE}' prefix='${PFX}'"
   fi
+  info "namespace via ${ns_used#${BASE}}  (bucket='${BUCKET}' warehouse='${WAREHOUSE}' prefix='${PFX}')"
+elif [[ -z "${ic_cfg}" ]]; then
+  warn "Tak bisa membaca namespace karena Iceberg REST tak tersedia [HTTP $(http_code "${BASE}${PFX}/v1/namespaces")]"
+else
+  codes=""
+  for _u in "${ns_cands[@]}"; do codes+="${_u#${BASE}}→$(http_code "${_u}")  "; done
+  fail "Iceberg REST aktif tetapi namespace TIDAK terbaca — kandidat path: ${codes%  }"
+  info "Nessie umumnya menaruh namespace di path ber-PREFIX (warehouse/branch), mis. ${PFX}/v1/${WAREHOUSE}/namespaces"
 fi
 main_code="$(http_code "${BASE}/api/v2/trees/main")"
 [[ "${main_code}" == "200" ]] && pass "Branch 'main' tersedia" \