diff --git a/packages/graphql-language-service-server/src/GraphQLCache.ts b/packages/graphql-language-service-server/src/GraphQLCache.ts
index d02da820712..ccb6dc07235 100644
--- a/packages/graphql-language-service-server/src/GraphQLCache.ts
+++ b/packages/graphql-language-service-server/src/GraphQLCache.ts
@@ -320,7 +320,7 @@ export class GraphQLCache {
             ast,
             range: new Range(
               new Position(0, 0),
-              new Position(lines.length, lines.at(-1).length),
+              new Position(lines.length, lines.at(-1)?.length ?? 0),
             ),
           },
         ],
@@ -332,7 +332,7 @@ export class GraphQLCache {
       projectCache.delete(project.schema.toString());
 
       this._setDefinitionCache(
-        [{ documentString: text, ast, range: null }],
+        [{ documentString: text, ast, range: undefined }],
         this._typeDefinitionsCache.get(projectCacheKey) || new Map(),
         uri,
       );
@@ -543,7 +543,20 @@ export class GraphQLCache {
     if (typeof pointer === 'string') {
       try {
         const { fsPath } = URI.parse(pointer);
-        return this.loadTypeDefs(project, fsPath, target);
+        // @ts-expect-error these are always here. better typings soon
+
+        return project._extensionsRegistry.loaders[target].loadTypeDefs(
+          fsPath,
+          {
+            cwd: project.dirpath,
+            includes: project.include,
+            excludes: project.exclude,
+            includeSources: true,
+            assumeValid: false,
+            noLocation: false,
+            assumeValidSDL: false,
+          },
+        );
       } catch {}
     }
     // @ts-expect-error these are always here. better typings soon
@@ -802,7 +815,12 @@ export class GraphQLCache {
           let fsPath = doc.location;
           let filePath;
           const isNetwork = doc.location.startsWith('http');
-          if (isNetwork) {
+          if (!isNetwork) {
+            try {
+              fsPath = resolve(rootDir, doc.location);
+            } catch {}
+            filePath = URI.file(fsPath).toString();
+          } else {
             filePath = this._getTmpProjectPath(
               projectConfig,
               true,
@@ -813,11 +831,6 @@ export class GraphQLCache {
               false,
               'generated-schema.graphql',
             );
-          } else {
-            try {
-              fsPath = resolve(rootDir, doc.location);
-            } catch {}
-            filePath = URI.file(fsPath).toString();
           }
 
           const content = doc.document.loc?.source.body ?? '';
diff --git a/packages/graphql-language-service-server/src/__tests__/MessageProcessor.spec.ts b/packages/graphql-language-service-server/src/__tests__/MessageProcessor.spec.ts
index 9da9bee3700..db402abf259 100644
--- a/packages/graphql-language-service-server/src/__tests__/MessageProcessor.spec.ts
+++ b/packages/graphql-language-service-server/src/__tests__/MessageProcessor.spec.ts
@@ -310,7 +310,7 @@ describe('the lsp', () => {
     expect(project.lsp._logger.error).not.toHaveBeenCalled();
   });
 
-  it.only('caches files and schema with a URL config', async () => {
+  it('caches files and schema with a URL config', async () => {
     const project = new MockProject({
       files: [
         ['query.graphql', 'query { test { isTest, ...T } }'],
@@ -481,10 +481,10 @@ describe('the lsp', () => {
 
     expect(project.lsp._logger.error).not.toHaveBeenCalled();
     expect(await project.lsp._graphQLCache.getSchema('a')).toBeDefined();
-    // const file = await readFile(join(genSchemaPath.replace('default', 'a')), {
-    //   encoding: 'utf-8',
-    // });
-    // expect(file.split('\n').length).toBeGreaterThan(10);
+    const file = await readFile(join(genSchemaPath.replace('default', 'a')), {
+      encoding: 'utf-8',
+    });
+    expect(file.split('\n').length).toBeGreaterThan(10);
     // add a new typescript file with empty query to the b project
     // and expect autocomplete to only show options for project b
     await project.addFile(