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Interceptor dont capture some errors

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0

I'm having a problem, implement in my application Ionic 3 (angular 5) interceptor for the authentication of the apis I consume. I am forcing the failure by adding another string to the Bearer, something that is invalid and can capture the errors, however, in the first instance it works, more in the second call it does not fall into the error (however the api responds an error 403)

addAuthHeader(request) 
return request.clone(
 setHeaders: 
 "Authorization": 'Bearer ' + _.get(this.localStorageService.getAccessToken(), 'accessToken', '')
 
 );


intercept(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> 
//console.log(_.get(req, 'url', ''));
console.log(req);
return next.handle(req).pipe(catchError(err => 
 if (err instanceof HttpErrorResponse) 

 let statusError = _.get(err, 'status', 0);


 console.log(err);

 if (statusError == 401 
))

I am the results:

As you can see, the first call fails and the error is an HttpErrorResponse, while in the second it also fails but the error is a simple HttpRequest

angular ionic3 angular-http-interceptors

share|improve this question

edited 2 days ago

sioesi

asked 2 days ago

sioesisioesi

312217

add a comment | 

0

I'm having a problem, implement in my application Ionic 3 (angular 5) interceptor for the authentication of the apis I consume. I am forcing the failure by adding another string to the Bearer, something that is invalid and can capture the errors, however, in the first instance it works, more in the second call it does not fall into the error (however the api responds an error 403)

addAuthHeader(request) 
return request.clone(
 setHeaders: 
 "Authorization": 'Bearer ' + _.get(this.localStorageService.getAccessToken(), 'accessToken', '')
 
 );


intercept(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> 
//console.log(_.get(req, 'url', ''));
console.log(req);
return next.handle(req).pipe(catchError(err => 
 if (err instanceof HttpErrorResponse) 

 let statusError = _.get(err, 'status', 0);


 console.log(err);

 if (statusError == 401 
))

I am the results:

As you can see, the first call fails and the error is an HttpErrorResponse, while in the second it also fails but the error is a simple HttpRequest

angular ionic3 angular-http-interceptors

share|improve this question

edited 2 days ago

sioesi

asked 2 days ago

sioesisioesi

312217

add a comment | 

I'm having a problem, implement in my application Ionic 3 (angular 5) interceptor for the authentication of the apis I consume. I am forcing the failure by adding another string to the Bearer, something that is invalid and can capture the errors, however, in the first instance it works, more in the second call it does not fall into the error (however the api responds an error 403)

addAuthHeader(request) 
return request.clone(
 setHeaders: 
 "Authorization": 'Bearer ' + _.get(this.localStorageService.getAccessToken(), 'accessToken', '')
 
 );


intercept(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> 
//console.log(_.get(req, 'url', ''));
console.log(req);
return next.handle(req).pipe(catchError(err => 
 if (err instanceof HttpErrorResponse) 

 let statusError = _.get(err, 'status', 0);


 console.log(err);

 if (statusError == 401 
))

I am the results:

As you can see, the first call fails and the error is an HttpErrorResponse, while in the second it also fails but the error is a simple HttpRequest

angular ionic3 angular-http-interceptors

share|improve this question

edited 2 days ago

sioesi

asked 2 days ago

sioesisioesi

312217

addAuthHeader(request) 
return request.clone(
 setHeaders: 
 "Authorization": 'Bearer ' + _.get(this.localStorageService.getAccessToken(), 'accessToken', '')
 
 );


intercept(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> 
//console.log(_.get(req, 'url', ''));
console.log(req);
return next.handle(req).pipe(catchError(err => 
 if (err instanceof HttpErrorResponse) 

 let statusError = _.get(err, 'status', 0);


 console.log(err);

 if (statusError == 401 
))

angular ionic3 angular-http-interceptors

angular ionic3 angular-http-interceptors

share|improve this question

edited 2 days ago

sioesi

asked 2 days ago

sioesisioesi

312217

share|improve this question

edited 2 days ago

sioesi

asked 2 days ago

sioesisioesi

312217

asked 2 days ago

sioesisioesi

312217

asked 2 days ago

sioesisioesi

312217

1 Answer
1

active

oldest

votes

0

As you said, the first error is an instance of HttpErrorResponse while the others are HttpRequest so they don't pass into your condition:

intercept(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> 
return next.handle(req).pipe(catchError(err => 
 if (err instanceof HttpErrorResponse) // <------ This condition
 // If not HttpErrorResponse, don't go here...
 // ...
 
 ))

So that's a good behavior of your interceptor. You need to check if your observables are returning errors well, and if you made them yourself, check that you handle errors with observer.error(...).

share|improve this answer

answered 2 days ago

Maxime LafarieMaxime Lafarie

7961726

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Is that the second (HttpRequest) the browser reports an error, the Network screen marks me the request with a 403, that's why I do not understand why it does not capture it as an error. The call to the services are responding well, since in the first instance if it fails and returns the error.
  
  – sioesi
  2 days ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I saw in your screenshots that you are logging two lines (59 and 66) of your app.interceptor.ts file, please can you show the code with console.logs in order to understand your issue better
  
  – Maxime Lafarie
  2 days ago
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Update my code, those are the lines that I am printing.
  
  – sioesi
  2 days ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thanks. Something strange is that there's one error (red line) that is emitted by your API call and the last by a polyfill...
  
  – Maxime Lafarie
  2 days ago
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Exactly, that's why I do not understand if it enters the Interceptor as an error or not
  
  – sioesi
  2 days ago
  

  
  
  
  

 | 
show 4 more comments

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0

As you said, the first error is an instance of HttpErrorResponse while the others are HttpRequest so they don't pass into your condition:

intercept(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> 
return next.handle(req).pipe(catchError(err => 
 if (err instanceof HttpErrorResponse) // <------ This condition
 // If not HttpErrorResponse, don't go here...
 // ...
 
 ))

So that's a good behavior of your interceptor. You need to check if your observables are returning errors well, and if you made them yourself, check that you handle errors with observer.error(...).

share|improve this answer

answered 2 days ago

Maxime LafarieMaxime Lafarie

7961726

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Is that the second (HttpRequest) the browser reports an error, the Network screen marks me the request with a 403, that's why I do not understand why it does not capture it as an error. The call to the services are responding well, since in the first instance if it fails and returns the error.
  
  – sioesi
  2 days ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I saw in your screenshots that you are logging two lines (59 and 66) of your app.interceptor.ts file, please can you show the code with console.logs in order to understand your issue better
  
  – Maxime Lafarie
  2 days ago
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Update my code, those are the lines that I am printing.
  
  – sioesi
  2 days ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thanks. Something strange is that there's one error (red line) that is emitted by your API call and the last by a polyfill...
  
  – Maxime Lafarie
  2 days ago
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Exactly, that's why I do not understand if it enters the Interceptor as an error or not
  
  – sioesi
  2 days ago
  

  
  
  
  

 | 
show 4 more comments

0

As you said, the first error is an instance of HttpErrorResponse while the others are HttpRequest so they don't pass into your condition:

intercept(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> 
return next.handle(req).pipe(catchError(err => 
 if (err instanceof HttpErrorResponse) // <------ This condition
 // If not HttpErrorResponse, don't go here...
 // ...
 
 ))

So that's a good behavior of your interceptor. You need to check if your observables are returning errors well, and if you made them yourself, check that you handle errors with observer.error(...).

share|improve this answer

answered 2 days ago

Maxime LafarieMaxime Lafarie

7961726

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Is that the second (HttpRequest) the browser reports an error, the Network screen marks me the request with a 403, that's why I do not understand why it does not capture it as an error. The call to the services are responding well, since in the first instance if it fails and returns the error.
  
  – sioesi
  2 days ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I saw in your screenshots that you are logging two lines (59 and 66) of your app.interceptor.ts file, please can you show the code with console.logs in order to understand your issue better
  
  – Maxime Lafarie
  2 days ago
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Update my code, those are the lines that I am printing.
  
  – sioesi
  2 days ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thanks. Something strange is that there's one error (red line) that is emitted by your API call and the last by a polyfill...
  
  – Maxime Lafarie
  2 days ago
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Exactly, that's why I do not understand if it enters the Interceptor as an error or not
  
  – sioesi
  2 days ago
  

  
  
  
  

 | 
show 4 more comments

As you said, the first error is an instance of HttpErrorResponse while the others are HttpRequest so they don't pass into your condition:

intercept(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> 
return next.handle(req).pipe(catchError(err => 
 if (err instanceof HttpErrorResponse) // <------ This condition
 // If not HttpErrorResponse, don't go here...
 // ...
 
 ))

So that's a good behavior of your interceptor. You need to check if your observables are returning errors well, and if you made them yourself, check that you handle errors with observer.error(...).

share|improve this answer

answered 2 days ago

Maxime LafarieMaxime Lafarie

7961726

intercept(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> 
return next.handle(req).pipe(catchError(err => 
 if (err instanceof HttpErrorResponse) // <------ This condition
 // If not HttpErrorResponse, don't go here...
 // ...
 
 ))

share|improve this answer

answered 2 days ago

Maxime LafarieMaxime Lafarie

7961726

answered 2 days ago

Maxime LafarieMaxime Lafarie

7961726

answered 2 days ago

Maxime LafarieMaxime Lafarie

7961726