1.请求服务器常见错误

错误收集:
1.TimeoutError 请求服务器超时 服务器挂掉了
09-06 06:31:56.441: W/EGL_genymotion(1332): eglSurfaceAttrib not implemented
09-06 06:32:03.941: E/Op(1332): [doPost] url = http://192.168.8.210:8020/lulugo-mobile-webapp/security/login
09-06 06:32:03.941: E/Op(1332): parameters = {userName=13676926905, password=a123456}
09-06 06:32:03.941: E/Op(1332): message = null
09-06 06:32:03.941: W/System.err(1332): com.android.volley.TimeoutError
09-06 06:32:03.941: W/System.err(1332): at com.android.volley.toolbox.BasicNetwork.performRequest(BasicNetwork.java:123)
09-06 06:32:03.941: W/System.err(1332): at com.android.volley.NetworkDispatcher.run(NetworkDispatcher.java:110)
09-06 06:32:03.949: D/Volley(1332): [1] Request.finish: 7539 ms: [ ] http://192.168.8.210:8020/lulugo-mobile-webapp/security/login 0x861eb63c NORMAL 26


2.(服务器没有给予请求服务器数据权限)No authentication challenges found 
09-06 06:16:47.881: D/dalvikvm(1332): GC_CONCURRENT freed 4663K, 37% free 9161K/14343K, paused 12ms+7ms, total 27ms
09-06 06:16:47.905: W/EGL_genymotion(1332): eglSurfaceAttrib not implemented
09-06 06:16:47.921: E/Op(1332): [doPost] url = http://192.168.8.210:8020/lulugo-mobile-webapp/queryGrabHitchhikes
09-06 06:16:47.921: E/Op(1332): parameters = {isOwner=TRUE, bigOrderState=ALL, offset=5, page=1}
09-06 06:16:47.921: E/Op(1332): message = java.io.IOException: No authentication challenges found
09-06 06:16:47.921: W/System.err(1332): com.android.volley.NoConnectionError: java.io.IOException: No authentication challenges found
09-06 06:16:47.921: W/System.err(1332): at com.android.volley.toolbox.BasicNetwork.performRequest(BasicNetwork.java:134)
09-06 06:16:47.921: W/System.err(1332): at com.android.volley.NetworkDispatcher.run(NetworkDispatcher.java:110)
09-06 06:16:47.921: W/System.err(1332): Caused by: java.io.IOException: No authentication challenges found
09-06 06:16:47.921: W/System.err(1332): at libcore.net.http.HttpURLConnectionImpl.getAuthorizationCredentials(HttpURLConnectionImpl.java:427)
09-06 06:16:47.921: W/System.err(1332): at libcore.net.http.HttpURLConnectionImpl.processAuthHeader(HttpURLConnectionImpl.java:407)
09-06 06:16:47.921: W/System.err(1332): at libcore.net.http.HttpURLConnectionImpl.processResponseHeaders(HttpURLConnectionImpl.java:356)
09-06 06:16:47.921: W/System.err(1332): at libcore.net.http.HttpURLConnectionImpl.getResponse(HttpURLConnectionImpl.java:292)
09-06 06:16:47.921: W/System.err(1332): at libcore.net.http.HttpURLConnectionImpl.getResponseCode(HttpURLConnectionImpl.java:486)
09-06 06:16:47.921: W/System.err(1332): at com.android.volley.toolbox.HurlStack.performRequest(HurlStack.java:114)
09-06 06:16:47.921: W/System.err(1332): at com.android.volley.toolbox.BasicNetwork.performRequest(BasicNetwork.java:93)
09-06 06:16:47.925: W/System.err(1332): ... 1 more
09-06 06:16:47.925: D/OpenGLRenderer(1332): TextureCache::callback: name, removed size, mSize = 7, 129600, 1291844
09-06 06:16:47.925: D/OpenGLRenderer(1332): TextureCache::callback: name, removed size, mSize = 8, 7744, 1284100
09-06 06:16:47.925: D/OpenGLRenderer(1332): TextureCache::callback: name, removed size, mSize = 10, 3952, 1280148
09-06 06:16:47.925: D/OpenGLRenderer(1332): TextureCache::callback: name, removed size, mSize = 12, 7744, 1272404