nit

Author: ishaan701

document-store/src/main/java/org/hypertrace/core/documentstore/mongo/MongoCollection.java

@@ -560,17 +560,17 @@ public Optional<Document> update(
       throws IOException {
     try {
       return updateExecutor.update(query, updates, updateOptions);
-    } catch (final MongoCommandException | MongoWriteException e1) {
-      if (e1.getCode() == MONGODB_DUPLICATE_KEY_ERROR_CODE) {
+    } catch (final MongoCommandException | MongoWriteException e) {
+      if (e.getCode() == MONGODB_DUPLICATE_KEY_ERROR_CODE) {
         throw new DuplicateDocumentException();
       }
       LOGGER.error(
           "Exception updating document(s). query: {} updates:{} options:{}",
           query,
           updates,
           updateOptions,
-          e1);
-      throw new IOException(e1);
+          e);
+      throw new IOException(e);
     } catch (final Exception e) {
       LOGGER.error(
           "Exception updating document(s). query: {} updates:{} options:{}",