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Editorial Team
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Asked: 2026-05-22T20:52:14+00:00

When trying to get some data on my android client from my webservice (running

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When trying to get some data on my android client from my webservice (running on app-engine) with this code

ClientResource cr = new ClientResource("https://myapp.appspot.com/restlet/service/");
IServiceResource res = cr.wrap(IServiceResource.class);
m_Services = res.getServices();

I get this error:

05-20 08:30:15.406: ERROR/AndroidRuntime(31767): Caused by: Communication Error (1001) - Could not change the mode after the initial handshake has begun.

i have the org.restlet.ext.ssl.jar for the https-support and i am using this line to add the client

Engine.getInstance().getRegisteredClients().add(new HttpsClientHelper(null));

this is the closest i have come to getting https:// calls to work since i moved up to restlet 2.1m4 (moved because i was in need of entityBuffering..)

Any ideas?
Any other information i need to share?

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1 Answer

  1. Editorial Team

    Got it working.
    Changed HttpClient to org.restlet.ext.net.

    On Android, you are told to do this to change the client

    Engine.getInstance().getRegisteredClients().add(new HttpClientHelper(null));

    However nothing changes by doing so, instead, i had success with

    Engine.getInstance().getRegisteredClients().clear();
Engine.getInstance().getRegisteredClients().add(new HttpClientHelper(null));

    This solves the issu(be sure to have org.restlet.ext.ssl in your build path aswell).
    This also solves other issues such as the “Internal Connector Error (1002) – The calling thread timed out while waiting for a response to unblock it.”

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