我知道这个问题经常重复，但我搜索了很多并没有找到解决方案问题是我不知道错误在哪里并尝试了所有可能的方法来修复它但我无法
我认为连接到我使用 wampserver 的数据库的问题是 127.0.0.1
请帮我
这是日志猫：
03-30 22:23:48.596: E/Trace(1176): error opening trace file: No such file or directory
(2)
03-30 22:23:49.847: D/gralloc_goldfish(1176): Emulator without GPU emulation detected.
03-30 22:24:27.137: D/dalvikvm(1176): GC_CONCURRENT freed 63K, 7% free 2722K/2908K, paused 82ms+57ms, total 667ms
03-30 22:24:27.916: I/Choreographer(1176): Skipped 94 frames! The application may be doing too much work on its main thread.
03-30 22:24:35.865: I/Choreographer(1176): Skipped 33 frames! The application may be doing too much work on its main thread.
03-30 22:24:45.716: D/dalvikvm(1176): GC_FOR_ALLOC freed 65K, 7% free 2904K/3092K, paused 64ms, total 76ms
03-30 22:24:45.726: I/dalvikvm-heap(1176): Grow heap (frag case) to 3.560MB for 635812-byte allocation
03-30 22:24:45.846: D/dalvikvm(1176): GC_FOR_ALLOC freed 1K, 6% free 3523K/3716K, paused 111ms, total 111ms
03-30 22:24:45.976: D/dalvikvm(1176): GC_CONCURRENT freed 7K, 5% free 3531K/3716K, paused 8ms+22ms, total 133ms
03-30 22:24:46.266: I/Choreographer(1176): Skipped 42 frames! The application may be doing too much work on its main thread.
03-30 22:24:46.936: I/Choreographer(1176): Skipped 87 frames! The application may be doing too much work on its main thread.
03-30 22:24:47.556: I/Choreographer(1176): Skipped 33 frames! The application may be doing too much work on its main thread.
03-30 22:24:48.806: I/Choreographer(1176): Skipped 36 frames! The application may be doing too much work on its main thread.
03-30 22:24:50.526: W/System.err(1176): org.apache.http.conn.HttpHostConnectException: Connection to http://127.0.0.1 refused
03-30 22:24:50.576: W/System.err(1176): at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:183)
03-30 22:24:50.646: I/Choreographer(1176): Skipped 42 frames! The application may be doing too much work on its main thread.
03-30 22:24:50.726: W/System.err(1176): at org.apache.http.impl.conn.AbstractPoolEntry.open(AbstractPoolEntry.java:164)
03-30 22:24:51.066: W/System.err(1176): at org.apache.http.impl.conn.AbstractPooledConnAdapter.open(AbstractPooledConnAdapter.java:119)
03-30 22:24:51.107: W/System.err(1176): at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:360)
03-30 22:24:51.186: W/System.err(1176): at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:555)
03-30 22:24:51.236: W/System.err(1176): at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:487)
03-30 22:24:51.359: W/System.err(1176): at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:465)
03-30 22:24:51.398: I/Choreographer(1176): Skipped 30 frames! The application may be doing too much work on its main thread.
03-30 22:24:51.446: W/System.err(1176): at com.example.androidhive.JSONParser.makeHttpRequest(JSONParser.java:51)
03-30 22:24:51.456: W/System.err(1176): at com.example.androidhive.NewProductActivity$CreateNewProduct.doInBackground(NewProductActivity.java:93)
03-30 22:24:51.456: W/System.err(1176): at com.example.androidhive.NewProductActivity$CreateNewProduct.doInBackground(NewProductActivity.java:1)
03-30 22:24:51.466: W/System.err(1176): at android.os.AsyncTask$2.call(AsyncTask.java:287)
03-30 22:24:51.616: W/System.err(1176): at java.util.concurrent.FutureTask.run(FutureTask.java:234)
03-30 22:24:51.616: W/System.err(1176): at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:230)
03-30 22:24:51.706: W/System.err(1176): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1080)
03-30 22:24:51.796: W/System.err(1176): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:573)
03-30 22:24:51.876: W/System.err(1176): at java.lang.Thread.run(Thread.java:856)
03-30 22:24:51.876: W/System.err(1176): Caused by: java.net.ConnectException: failed to connect to /127.0.0.1 (port 80): connect failed: ECONNREFUSED (Connection refused)
03-30 22:24:51.957: I/Choreographer(1176): Skipped 30 frames! The application may be doing too much work on its main thread.
03-30 22:24:52.046: W/System.err(1176): at libcore.io.IoBridge.connect(IoBridge.java:114)
03-30 22:24:52.046: W/System.err(1176): at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:192)
03-30 22:24:52.046: W/System.err(1176): at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:459)
03-30 22:24:52.086: W/System.err(1176): at java.net.Socket.connect(Socket.java:842)
03-30 22:24:52.118: I/Choreographer(1176): Skipped 37 frames! The application may be doing too much work on its main thread.
03-30 22:24:52.136: W/System.err(1176): at org.apache.http.conn.scheme.PlainSocketFactory.connectSocket(PlainSocketFactory.java:119)
03-30 22:24:52.146: W/System.err(1176): at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:144)
03-30 22:24:52.146: W/System.err(1176): ... 15 more
03-30 22:24:52.146: W/System.err(1176): Caused by: libcore.io.ErrnoException: connect failed: ECONNREFUSED (Connection refused)
03-30 22:24:52.236: W/System.err(1176): at libcore.io.Posix.connect(Native Method)
03-30 22:24:52.236: W/System.err(1176): at libcore.io.BlockGuardOs.connect(BlockGuardOs.java:85)
03-30 22:24:52.236: W/System.err(1176): at libcore.io.IoBridge.connectErrno(IoBridge.java:127)
03-30 22:24:52.366: W/System.err(1176): at libcore.io.IoBridge.connect(IoBridge.java:112)
03-30 22:24:52.396: W/System.err(1176): ... 20 more
03-30 22:24:52.457: I/Choreographer(1176): Skipped 47 frames! The application may be doing too much work on its main thread.
03-30 22:24:52.616: I/Choreographer(1176): Skipped 37 frames! The application may be doing too much work on its main thread.
03-30 22:24:52.736: E/Buffer Error(1176): Error converting result java.lang.NullPointerException: lock == null
03-30 22:24:52.836: E/JSON Parser(1176): Error parsing data org.json.JSONException: End of input at character 0 of
03-30 22:24:52.959: I/Choreographer(1176): Skipped 56 frames! The application may be doing too much work on its main thread.
03-30 22:24:53.016: W/dalvikvm(1176): threadid=14: thread exiting with uncaught exception (group=0x40a71930)
03-30 22:24:53.136: I/Choreographer(1176): Skipped 33 frames! The application may be doing too much work on its main thread.
03-30 22:24:55.267: E/AndroidRuntime(1176): FATAL EXCEPTION: AsyncTask #4
03-30 22:24:55.267: E/AndroidRuntime(1176): java.lang.RuntimeException: An error occured while executing doInBackground()
03-30 22:24:55.267: E/AndroidRuntime(1176): at android.os.AsyncTask$3.done(AsyncTask.java:299)
03-30 22:24:55.267: E/AndroidRuntime(1176): at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:352)
03-30 22:24:55.267: E/AndroidRuntime(1176): at java.util.concurrent.FutureTask.setException(FutureTask.java:219)
03-30 22:24:55.267: E/AndroidRuntime(1176): at java.util.concurrent.FutureTask.run(FutureTask.java:239)
03-30 22:24:55.267: E/AndroidRuntime(1176): at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:230)
03-30 22:24:55.267: E/AndroidRuntime(1176): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1080)
03-30 22:24:55.267: E/AndroidRuntime(1176): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:573)
03-30 22:24:55.267: E/AndroidRuntime(1176): at java.lang.Thread.run(Thread.java:856)
03-30 22:24:55.267: E/AndroidRuntime(1176): Caused by: java.lang.NullPointerException
03-30 22:24:55.267: E/AndroidRuntime(1176): at com.example.androidhive.NewProductActivity$CreateNewProduct.doInBackground(NewProductActivity.java:97)
03-30 22:24:55.267: E/AndroidRuntime(1176): at com.example.androidhive.NewProductActivity$CreateNewProduct.doInBackground(NewProductActivity.java:1)
03-30 22:24:55.267: E/AndroidRuntime(1176): at android.os.AsyncTask$2.call(AsyncTask.java:287)
03-30 22:24:55.267: E/AndroidRuntime(1176): at java.util.concurrent.FutureTask.run(FutureTask.java:234)
03-30 22:24:55.267: E/AndroidRuntime(1176): ... 4 more
03-30 22:24:56.126: I/Choreographer(1176): Skipped 42 frames! The application may be doing too much work on its main thread.
03-30 22:24:56.466: I/Choreographer(1176): Skipped 86 frames! The application may be doing too much work on its main thread.
03-30 22:24:56.747: I/Choreographer(1176): Skipped 51 frames! The application may be doing too much work on its main thread.
03-30 22:24:57.496: I/Choreographer(1176): Skipped 193 frames! The application may be doing too much work on its main thread.
03-30 22:24:58.366: E/WindowManager(1176): Activity com.example.androidhive.NewProductActivity has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView{40d53958 V.E..... R.....ID 0,0-456,144} that was originally added here
03-30 22:24:58.366: E/WindowManager(1176): android.view.WindowLeaked: Activity com.example.androidhive.NewProductActivity has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView{40d53958 V.E..... R.....ID 0,0-456,144} that was originally added here
03-30 22:24:58.366: E/WindowManager(1176): at android.view.ViewRootImpl.<init>(ViewRootImpl.java:354)
03-30 22:24:58.366: E/WindowManager(1176): at android.view.WindowManagerGlobal.addView(WindowManagerGlobal.java:216)
03-30 22:24:58.366: E/WindowManager(1176): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:69)
03-30 22:24:58.366: E/WindowManager(1176): at android.app.Dialog.show(Dialog.java:281)
03-30 22:24:58.366: E/WindowManager(1176): at com.example.androidhive.NewProductActivity$CreateNewProduct.onPreExecute(NewProductActivity.java:74)
03-30 22:24:58.366: E/WindowManager(1176): at android.os.AsyncTask.executeOnExecutor(AsyncTask.java:586)
03-30 22:24:58.366: E/WindowManager(1176): at android.os.AsyncTask.execute(AsyncTask.java:534)
03-30 22:24:58.366: E/WindowManager(1176): at com.example.androidhive.NewProductActivity$1.onClick(NewProductActivity.java:56)
03-30 22:24:58.366: E/WindowManager(1176): at android.view.View.performClick(View.java:4204)
03-30 22:24:58.366: E/WindowManager(1176): at android.view.View$PerformClick.run(View.java:17355)
03-30 22:24:58.366: E/WindowManager(1176): at android.os.Handler.handleCallback(Handler.java:725)
03-30 22:24:58.366: E/WindowManager(1176): at android.os.Handler.dispatchMessage(Handler.java:92)
03-30 22:24:58.366: E/WindowManager(1176): at android.os.Looper.loop(Looper.java:137)
03-30 22:24:58.366: E/WindowManager(1176): at android.app.ActivityThread.main(ActivityThread.java:5041)
03-30 22:24:58.366: E/WindowManager(1176): at java.lang.reflect.Method.invokeNative(Native Method)
03-30 22:24:58.366: E/WindowManager(1176): at java.lang.reflect.Method.invoke(Method.java:511)
03-30 22:24:58.366: E/WindowManager(1176): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)
03-30 22:24:58.366: E/WindowManager(1176): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560)
03-30 22:24:58.366: E/WindowManager(1176): at dalvik.system.NativeStart.main(Native Method)
03-30 22:24:58.411: I/Choreographer(1176): Skipped 57 frames! The application may be doing too much work on its main thread.
这是我的清单文件
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.androidhive"
android:versionCode="1"
android:versionName="1.0" >
<uses-permission android:name="android.permission.INTERNET" />
<uses-sdk android:minSdkVersion="8" android:targetSdkVersion="17"/>
<application
android:configChanges="keyboardHidden|orientation"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:allowBackup="True">
<activity
android:name=".MainScreenActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<!-- All Product Activity -->
<activity
android:name=".AllProductsActivity"
android:label="All Products" >
</activity>
<!-- Add Product Activity -->
<activity
android:name=".NewProductActivity"
android:label="Add New Product" >
</activity>
<!-- Edit Product Activity -->
<activity
android:name=".EditProductActivity"
android:label="Edit Product" >
</activity>
</application>
</manifest>
请真的我需要帮助