From e2fafd7e4647ea8adbdbe8da992f8d2c4c7f4166 Mon Sep 17 00:00:00 2001
From: bbimber <bbimber@gmail.com>
Date: Wed, 5 Jul 2023 20:31:28 -0700
Subject: [PATCH] Improve logging in ExtendedFuncotator

---
 .../java/com/github/discvrseq/walkers/ExtendedFuncotator.java   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/java/com/github/discvrseq/walkers/ExtendedFuncotator.java b/src/main/java/com/github/discvrseq/walkers/ExtendedFuncotator.java
index 0054d2fd..e9187214 100644
--- a/src/main/java/com/github/discvrseq/walkers/ExtendedFuncotator.java
+++ b/src/main/java/com/github/discvrseq/walkers/ExtendedFuncotator.java
@@ -220,7 +220,7 @@ public VcfHeaderDescriptor(String[] line, List<String> headerFields, List<DataSo
                 DataSourceFuncotationFactory source = dataSourceFuncotationFactories.stream().filter(x -> x.getName().equalsIgnoreCase(this.dataSource)).findFirst().orElseThrow();
 
                 if (!source.getSupportedFuncotationFields().contains(this.dataSource + "_" + this.sourceField)) {
-                    throw new GATKException("Unable to find field: " + this.sourceField + " in "+ this.dataSource);
+                    throw new GATKException("Unable to find field: " + this.sourceField + " in "+ this.dataSource + ". Known fields are: " + String.join(", ", source.getSupportedFuncotationFields()));
                 }
             }
             catch (NoSuchElementException e) {