| [jetty-dev] Newbie question - permission issue trying to utilize Bluetooth on I-Jetty for Android |
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Hi everyone. I’m brand new to web technologies AND android, so I appreciate your kindness if my questions are particularly ignorant.
J I’ve been able to set up some simple Java Servlets using I-Jetty for Android, and now I’m trying to utilize the Bluetooth services so I can effectively use the I-Jetty server as a “bridge” to a Bluetooth device. Currently I’ve run into this problem and I’m stuck – any help would be appreciated. (FYI – I’ve been able to utilize Bluetooth in Beanshell using the PAW server, so I know its technically possible to do this in Android. I’m not sure what
kind of “magic” PAW uses to make this possible, though – does the I-Jetty manifest need to be recompiled to get Bluetooth permissions or something like that??) HTTP ERROR 500
Problem accessing /BtDemo6/servlet. Reason: Need BLUETOOTH permission: Neither user 10077 nor current process has android.permission.BLUETOOTH.
Caused by:
java.lang.SecurityException: Need BLUETOOTH permission: Neither user 10077 nor current process has android.permission.BLUETOOTH.
at android.os.Parcel.readException(Parcel.java:1425)
at android.os.Parcel.readException(Parcel.java:1379)
at android.bluetooth.IBluetooth$Stub$Proxy.isEnabled(IBluetooth.java:550)
at android.bluetooth.BluetoothAdapter.isEnabled(BluetoothAdapter.java:446)
at BtDemoServlet.doPost(BtDemoServlet.java:46)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:546)
at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:479)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:119)
at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:483)
at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:227)
at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1031)
at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:406)
at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:186)
at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:965)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:117)
at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:250)
at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:149)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:111)
at org.eclipse.jetty.server.Server.handle(Server.java:349)
at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:449)
at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:910)
at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:647)
at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:233)
at org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:76)
at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:615)
at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:45)
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:599)
at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:534)
at java.lang.Thread.run(Thread.java:856)
Powered by Jetty:// Here’s an excerpt of the relevant code in the servlet: import android.bluetooth.*;
import android.os.*;
import android.content.*;
import java.io.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;
import android.app.*;
import android.view.*;
public
class BtDemoServlet
extends HttpServlet {
protected
void doPost(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException { BluetoothAdapter mBluetoothAdapter; PrintWriter out = resp.getWriter(); out.println("<html>"); out.println("<body>"); mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
if (!mBluetoothAdapter.isEnabled())
//This is the line that causes the error { … } } }
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