cleanup p3

Author: p-hoffmann

src/main/java/org/ohdsi/webapi/trexsql/TrexSQLInstanceManager.java

@@ -31,7 +31,7 @@ public TrexSQLInstanceManager(TrexSQLConfig config) {
 
     public Object getInstance() {
         if (!config.isEnabled()) {
-            throw new IllegalStateException("Trexsql is not enabled");
+            throw new IllegalStateException("TrexSQL is not enabled");
         }
 
         if (trexsqlDb == null) {

src/main/java/org/ohdsi/webapi/trexsql/TrexSQLService.java

@@ -46,6 +46,10 @@ public List<Map<String, Object>> searchVocab(String sourceKey, String searchTerm
         log.debug("Searching vocabulary for source {} with term: {}", sourceKey, searchTerm);
 
         TrexSQLSourceConfig sourceConfig = config.getSourceConfig(sourceKey);
+        if (sourceConfig == null) {
+            throw new IllegalStateException("TrexSQL source configuration not found for key: " + sourceKey);
+        }
+
         String databaseCode = sourceConfig.getDatabaseCode();
 
         Map<String, Object> options = new HashMap<>();