chore(gateway): report error with cause message (#3999)

packages/core/server/src/__tests__/gateway.test.ts

@@ -165,8 +165,8 @@ describe('gateway', () => {
         wsClient.on('open', resolve);
       });
     };
-    const getLastMessage = () => {
-      return JSON.parse(messages[messages.length - 1]);
+    const getLastMessage = (n = 0) => {
+      return JSON.parse(messages[messages.length - (1 + n)]);
     };
     const clearMessages = () => {
       messages = [];
@@ -377,5 +377,32 @@ describe('gateway', () => {
         },
       });
     });
+    it('should receive error message with cause property', async () => {
+      await connectClient(port);
+      const app = new Application({
+        database: {
+          dialect: 'sqlite',
+          storage: ':memory:',
+        },
+      });
+      await waitSecond();
+      await app.runCommand('start');
+      await app.runCommand('install');
+      await waitSecond();
+      expect(getLastMessage()).toMatchObject({
+        type: 'maintaining',
+        payload: {
+          code: 'APP_RUNNING',
+        },
+      });
+      await app.runAsCLI(['pm', 'add', 'not-exists-plugin'], {
+        from: 'user',
+      });
+      await waitSecond();
+      const errorMsg = getLastMessage(1);
+      expect(errorMsg.type).toBe('notification');
+      expect(errorMsg.payload.type).toBe('error');
+      expect(errorMsg.payload.message).contains('Failed to add plugin:');
+    });
   });
 });

packages/core/server/src/application.ts

@@ -765,6 +765,8 @@ export class Application<StateT = DefaultState, ContextT = DefaultContext> exten
 
       if (options?.throwError) {
         throw error;
+      } else {
+        this.log.error(error);
       }
     } finally {
       const _actionCommand = this._actionCommand;

packages/core/server/src/gateway/ws-server.ts

@@ -62,10 +62,16 @@ export class WSServer {
     });
 
     AppSupervisor.getInstance().on('appError', async ({ appName, error }) => {
+      let message = error.message;
+
+      if (error.cause) {
+        message = `${message}: ${error.cause.message}`;
+      }
+
       this.sendToConnectionsByTag('app', appName, {
         type: 'notification',
         payload: {
-          message: error.message,
+          message,
           type: 'error',
         },
       });