當我運行我的應用程序爲它拋出了第二次「節目的接收信號EXC_BAD_ACCESS」

-4

當我重新運行它崩潰了，第二次的節目......當我運行我的應用程序爲它拋出了第二次「節目的接收信號EXC_BAD_ACCESS」

- (IBAction)onConnect: (id)sender 
{ 
    recordResults = NO; 
    NSString *soapMessage = [NSString stringWithFormat: 
          @"<?xml version=\"1.0\" encoding=\"utf-8\"?>\n" 
          "<soap:Envelope xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" xmlns:soap=\"http://schemas.xmlsoap.org/soap/envelope/\">\n" 
          "<soap:Body>\n" 
          "<GetHotItems xmlns=\"http://www.mysite.com/WSMobileData/\" />\n" 
          "</soap:Body>\n" 
          "</soap:Envelope>\n" 
          ]; 

    NSLog(@"soapMessage: %@", soapMessage); 

    // URL connection 
    NSURL *url = [NSURL URLWithString:@"http://www.mysite.com/WSMobileData/WSMobile.asmx"]; 
    NSMutableURLRequest *theRequest = [NSMutableURLRequest requestWithURL:url]; 
    NSString *msgLength = [NSString stringWithFormat:@"%d", [soapMessage length]]; 

    [theRequest addValue: @"text/xml; charset=utf-8" forHTTPHeaderField:@"Content-Type"]; 
    [theRequest addValue: @"http://www.mysite.com/WSMobileData/GetHotItems" forHTTPHeaderField:@"SOAPAction"]; 
    [theRequest addValue: msgLength forHTTPHeaderField:@"Content-Length"]; 
    [theRequest setHTTPMethod:@"POST"]; 
    [theRequest setHTTPBody: [soapMessage dataUsingEncoding:NSUTF8StringEncoding]]; 

    NSLog(@"theRequest: %@", theRequest); 

    NSURLConnection *theConnection = [[NSURLConnection alloc] initWithRequest:theRequest delegate:self]; 
    if(theConnection) 
    { 
     webData = [[NSMutableData data] retain]; 
    } 
    else 
    { 
     NSLog(@"theConnection is NULL"); 
    } 
} 

-(void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response 
{ 
    [webData setLength: 0]; 
} 
-(void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data 
{ 
    [webData appendData:data]; 
} 
-(void)connection:(NSURLConnection *)connection didFailWithError:(NSError *)error 
{ 
    NSLog(@"ERROR with theConenction"); 
    [connection release]; 
    [webData release]; 
} 
-(void)connectionDidFinishLoading:(NSURLConnection *)connection 
{ 
    NSLog(@"DONE. Received Bytes: %d", [webData length]); 
    NSString *theXML = [[NSString alloc] initWithBytes: [webData mutableBytes] length:[webData length] encoding:NSUTF8StringEncoding]; 
    NSLog(@"theXML: %@", theXML); 
    [theXML release]; 

    if(xmlParser) 
    { 
     [xmlParser release]; 
    } 

    xmlParser = [[[NSXMLParser alloc] initWithData: webData] autorelease]; 
    [xmlParser setDelegate: self]; 
    [xmlParser setShouldResolveExternalEntities: YES]; 
    [xmlParser parse]; 

    [connection release]; 
    [webData release]; 
} 

-(void)parser:(NSXMLParser *)parser didStartElement:(NSString *)elementName namespaceURI:(NSString *) namespaceURI qualifiedName:(NSString *)qName 
    attributes: (NSDictionary *)attributeDict 
{ 
    if([elementName isEqualToString:@"GetHotItemsResult"]) 
    { 
     if(!soapResults) 
     { 
      soapResults = [[NSMutableString alloc] init]; 
     } 
     recordResults = YES; 
    } 
} 
-(void)parser:(NSXMLParser *)parser foundCharacters:(NSString *)string 
{ 
    if(recordResults) 
    { 
     [soapResults appendString: string]; 
    } 
} 
-(void)parser:(NSXMLParser *)parser didEndElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName 
{ 
    if([elementName isEqualToString:@"GetHotItemsResult"]) 
    { 
     recordResults = NO; 
     NSLog(@"soapResults: %@", soapResults); 
     [soapResults release]; 
     soapResults = nil; 
    } 
} 

@end

來源

2011-11-01 Satheesh

什麼是你的崩潰日誌？ – Maulik

我們至少需要一個崩潰日誌來回答。請不要發佈你的原始代碼，我們不應該爲你做調查工作。 exc_bad_access意味着你需要多次調整對象，用調試器檢查你的autorelase並釋放行 – vdaubry

@vdaubry：謝謝.....問題出在autorelease非常感謝你... – Satheesh

我們至少需要一個崩潰日誌回答。請不要發佈你的原始代碼，我們不應該爲你做調查工作。 exc_bad_access意味着你需要多次重新調整對象，檢查你的autorelase並使用調試器釋放行。

你也可以使用NSZombie來追蹤被釋放的對象太多次。

本教程應該可以幫助您：

http://www.touch-code-magazine.com/how-to-debug-exc_bad_access/

希望這有助於文森特

來源

2011-11-01 07:30:27 vdaubry

當我運行我的應用程序爲它拋出了第二次「節目的接收信號EXC_BAD_ACCESS」

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