Re: 2/? Pbs with GWT + Eclipse + Jetty + Neo4J

Hi David,

For your last remark:

Another one is that you seem to want to use java introspection to dynamically load classes in GWT, which is not supported (Class.forName).

I think it's not a pb because this part is executed on the server side and all Java in this case is available.

Thanks for your help

Antonio

Le mer. 13 oct. 2021 à 12:03, David Nouls <david.nouls@gmail.com> a écrit :

I see multiple problems with your code. The most important being that you are ignoring the fact that an rpc call is asynchronous. So the load method will ralways return null because the request has not been executed when the method returns.

Another problem is the fact that the async is returning List<Object>, which would mean gwt needs to generate serializers for all object types in you application at compile time.

Another one is that you seem to want to use java introspection to dynamically load classes in GWT, which is not supported (Class.forName).

On 13 Oct 2021, 09:58 +0200, Guillen Antonio <tonio.guillen@gmail.com>, wrote:

HI all,

I am not comfortable with client-server and RPC and HTTPServlet operation at all.
I get the following message after my request:

200 - POST /spotgwt/spotData (127.0.0.1) 496 bytes
   Request headers
      Host: 127.0.0.1:8887
      User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:92.0) Gecko/20100101 Firefox/92.0
      Accept: */*
      Accept-Language: fr,fr-FR;q=0.8,en-US;q=0.5,en;q=0.3
      Accept-Encoding: gzip, deflate
      Content-Type: text/x-gwt-rpc; charset=utf-8
      X-GWT-Permutation: A082E84D087467DED16699006D694A7B
      X-GWT-Module-Base: http://127.0.0.1:8887/spotgwt/
      Content-Length: 228
      Origin: http://127.0.0.1:8887
      DNT: 1
      Connection: keep-alive
      Referer: http://127.0.0.1:8887/SpotGWT.html
      Sec-Fetch-Dest: empty
      Sec-Fetch-Mode: cors
      Sec-Fetch-Site: same-origin
   Response headers
      Date: Wed, 13 Oct 2021 07:40:08 GMT
      Content-Encoding: gzip
      Content-Length: 496
      Content-Type: application/json; charset=utf-8
      Content-Disposition: attachment

Can you tell me what this means. Because at first glance I understand that my request is successful, and  the content of the response is in a zip and that the length of the zip is 496 bytes in json format. Attachment ?????

The problem is that my RPC call tells me that it has failed in the following piece of code:

<image.png>
I look forward to your reply.
Thanks a lot for your help
Antonio

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