Kann mir jemand sagen wieso der Code nicht laufen will ? Und ständig die Fehlermedlung erscheint
Exception in thread "main" java.lang.Error: Unresolved compilation problem: .
Vielen Dank fürs lesen !
Exception in thread "main" java.lang.Error: Unresolved compilation problem: .
Vielen Dank fürs lesen !
Java:
import java.net.MalformedURLException;
import java.io.FileWriter;
import org.ektorp.CouchDbConnector;
import org.ektorp.CouchDbInstance;
import org.ektorp.StreamingViewResult;
import org.ektorp.ViewQuery;
import org.ektorp.ViewResult.Row;
import org.ektorp.http.HttpClient;
import org.ektorp.http.StdHttpClient;
import org.ektorp.impl.StdCouchDbConnector;
import org.ektorp.impl.StdCouchDbInstance;
import com.opencsv.CSVWriter;
public class App
{
public static void main( String[] args ) throws MalformedURLException
{
HttpClient httpclient = new org.ektorp.http.StdHttpClient.Builder().url("http:\\localhost:5984").build();
CouchDbInstance dbInstance = new StdCouchDbInstance(httpclient);
CouchDbConnector db = new StdCouchDbConnector("twitterdb",dbInstance);
ViewQuery query = new ViewQuery();
StreamingViewResult data = db.queryForStreamingView(query);
}
{
try{
CSVWriter writer = new CSVWriter(new FileWriter("C:\\Users\\Sei_Erfolgreich_Desktop\\Testcsv"));
long counter = 1;
String [] read = new String [] {"UserID"};
writer.writeNext(read);
//close the writer
writer.flush();
for (Row row : data) {
read = new String[] {row.getKey()};
writer.writeNext(read);
writer.flush();
System.out.println(counter);
counter++;
}
}catch (Exception e){
e.printStackTrace();
}
}
}