I am trying to run a stored procedure in my SQL Server database from an Android application that I developed. I just messed around in a minute, but I can't get him to run. The fact is that I do not get any errors or crashes - the application works fine, and I can press a button, the stored procedure just does not want to start.
SP creates a row in the table. I tested this on a SQL server and it works great. The problem seems to be related to running it from my application.
I think I set the situation right.
1) I have included the correct .jar file in the libs folder for my application.
2) I included the link to the library in the build.gradle file: -
dependencies {
testCompile 'junit:junit:4.12'
compile 'com.android.support:appcompat-v7:23.1.1'
compile 'com.android.support:design:23.1.1'
compile 'com.google.android.gms:play-services:8.3.0'
compile fileTree(dir: 'libs', include: ['*.jar'])
compile files('libs/jtds-1.3.1.jar')
}
3) I have imported all the libraries that I need (I think): -
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
4) , : -
@Override
public void onClick(View v) {
try {
Class.forName("net.sourceforge.jtds.jdbc.Driver").newInstance();
String username = "myusername";
String password = "mypassword";
Connection DbConn = DriverManager.getConnection("jdbc:jtds:sqlserver://sql9.hostinguk.net/matprichardson;user=" + username + ";password=" + password);
Log.w("Connection","Open");
Statement stmt = DbConn.createStatement();
stmt.execute("exec [matprichardson].[updatelatlong]");
DbConn.close();
} catch (Exception e) {
Log.w("Error connection","" + e.getMessage());
}
}
try/catch, Class.forName , , java.lang.ClassNotFoundException, , try/catch ... ?
, , , , , . , , , .
. , .
. "logcat" Android . , :
11-28 22:54:29.173 11995-11995/uk.co.matprichardson.omgandroid D/libc: [NET] android_getaddrinfofornet+,hn 18(0x73716c372e686f),sn(),hints(known),family 0,flags 4
11-28 22:54:29.173 11995-11995/uk.co.matprichardson.omgandroid D/libc: [NET] android_getaddrinfofornet-, err=8
11-28 22:54:29.173 11995-11995/uk.co.matprichardson.omgandroid E/MYAPP: exception android.os.NetworkOnMainThreadException
at android.os.StrictMode$AndroidBlockGuardPolicy.onNetwork(StrictMode.java:1155)
at java.net.InetAddress.lookupHostByName(InetAddress.java:418)
at java.net.InetAddress.getAllByNameImpl(InetAddress.java:252)
at java.net.InetAddress.getAllByName(InetAddress.java:215)
at java.net.Socket.tryAllAddresses(Socket.java:109)
at java.net.Socket.<init>(Socket.java:178)
at java.net.Socket.<init>(Socket.java:150)
at net.sourceforge.jtds.jdbc.SharedSocket.<init>(SharedSocket.java:259)
at net.sourceforge.jtds.jdbc.ConnectionJDBC2.<init>(ConnectionJDBC2.java:311)
at net.sourceforge.jtds.jdbc.Driver.connect(Driver.java:187)
at java.sql.DriverManager.getConnection(DriverManager.java:179)
at java.sql.DriverManager.getConnection(DriverManager.java:144)
at uk.co.matprichardson.omgandroid.MainActivity.onClick(MainActivity.java:114)
at android.view.View.performClick(View.java:4785)
at android.view.View$PerformClick.run(View.java:19869)
at android.os.Handler.handleCallback(Handler.java:739)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:155)
at android.app.ActivityThread.main(ActivityThread.java:5721)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1029)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:824)