(search) Fix rare exception in scribe.rip substitution

code/index/java/nu/marginalia/index/IndexQueryExecution.java

@@ -76,7 +76,7 @@ public class IndexQueryExecution {
     }
 
     private void lookup(IndexQuery query) {
-        final LongQueryBuffer buffer = new LongQueryBuffer(8192);
+        final LongQueryBuffer buffer = new LongQueryBuffer(1024);
         try {
             while (query.hasMore() && budget.hasTimeLeft()) {
 

code/services-application/search-service/java/nu/marginalia/search/SearchOperator.java

@@ -235,9 +235,12 @@ public class SearchOperator {
                 return new EdgeUrl("https", new EdgeDomain("scribe.rip"), null, path, null);
             }
             else {
-                String article = path.substring(path.indexOf("/", 1));
+                int slashIndex = path.indexOf("/", 1);
+                if (slashIndex >= 0) {
+                    String article = path.substring(slashIndex);
                     return new EdgeUrl("https", new EdgeDomain("scribe.rip"), null, article, null);
                 }
+            }
 
         }
         return url;