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POIllegalArgumentException: column '_id' does not exist when call to SimpleCursorAdaptor
 

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  1. POIllegalArgumentException: column '_id' does not exist when call to SimpleCursorAdaptor
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    <p>I have a table named "master" with columns <code>id</code>, <code>name</code>, <code>surname</code>, <code>gender</code>, and <code>designation</code></p> <p>When I fire off a query to get a <a href="http://developer.android.com/reference/android/database/Cursor.html" rel="noreferrer">Cursor</a> object for a <a href="http://developer.android.com/reference/android/widget/CursorAdapter.html" rel="noreferrer">CursorAdapter</a> I get:</p> <pre><code>IllegalArgumentException: column '_id' does not exist when call to CursorAdaptor </code></pre> <p>But I don't have a columen named "_id".</p> <p>Can anybody tell me why I am getting this error?</p> <p>Here is the stack trace:</p> <pre><code>07-13 15:45:40.582: WARN/System.err(295): java.lang.IllegalArgumentException: column '_id' does not exist 07-13 15:45:40.592: WARN/System.err(295): at android.database.AbstractCursor.getColumnIndexOrThrow(AbstractCursor.java:314) 07-13 15:45:40.592: WARN/System.err(295): at android.widget.CursorAdapter.changeCursor(CursorAdapter.java:257) 07-13 15:45:40.602: WARN/System.err(295): at com.praumtech.names4baby.ui.NamesListAdapter.setCursor(NamesListAdapter.java:63) 07-13 15:45:40.602: WARN/System.err(295): at com.praumtech.names4baby.ui.BoysNamesListActivity.initNameList(BoysNamesListActivity.java:79) 07-13 15:45:40.602: WARN/System.err(295): at com.praumtech.names4baby.ui.BoysNamesListActivity.onCreate(BoysNamesListActivity.java:49) 07-13 15:45:40.602: WARN/System.err(295): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1123) 07-13 15:45:40.602: WARN/System.err(295): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2364) 07-13 15:45:40.612: WARN/System.err(295): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2417) 07-13 15:45:40.612: WARN/System.err(295): at android.app.ActivityThread.access$2100(ActivityThread.java:116) 07-13 15:45:40.612: WARN/System.err(295): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1794) 07-13 15:45:40.612: WARN/System.err(295): at android.os.Handler.dispatchMessage(Handler.java:99) 07-13 15:45:40.621: WARN/System.err(295): at android.os.Looper.loop(Looper.java:123) 07-13 15:45:40.621: WARN/System.err(295): at android.app.ActivityThread.main(ActivityThread.java:4203) 07-13 15:45:40.621: WARN/System.err(295): at java.lang.reflect.Method.invokeNative(Native Method) 07-13 15:45:40.621: WARN/System.err(295): at java.lang.reflect.Method.invoke(Method.java:521) 07-13 15:45:40.621: WARN/System.err(295): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:791) 07-13 15:45:40.621: WARN/System.err(295): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:549) 07-13 15:45:40.631: WARN/System.err(295): at dalvik.system.NativeStart.main(Native Method) </code></pre>
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