title: io6 Application Crash when web service calling
body: <p>Here I have getting Error like this:
  My code works on ios 4/5 but crash on ios6.0
  After these line my application has going to crash</p>
  
  <p>self.con = [[NSURLConnection alloc] initWithRequest:rq delegate:self]
          if (self.con) {</p>
  
  <p>NSLog(@"connection for CON")
          myWebData = [[NSMutableData data] retain]
      }</p>
  
  <pre><code>    ========================================
  This method not calling 
  -(void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response
  -(void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data
  -(void)connection:(NSURLConnection *)connection didFailWithError:(NSError *)error
  -(void)connectionDidFinishLoading:(NSURLConnection *)connection
  
  and here below crash log have you see:
  
          libicucore.A.dylib`ucol_getVersion:
          0x30f92570:  ldr.w  r2, [r0, #204]
          0x30f92574:  cbnz   r2, 0x30f925ae            ; ucol_getVersion + 62
          0x30f92576:  ldr    r2, [r0, #36]
          0x30f92578:  movs   r3, #56
          0x30f9257a:  ldrb.w r2, [r2, #68]
          0x30f9257e:  orr.w  r3, r3, r2, lsr #2
          0x30f92582:  lsls   r2, r2, #6
          0x30f92584:  strb   r3, [r1]
          0x30f92586:  strb   r2, [r1, #1]
          0x30f92588:  ldr    r2, [r0, #36]
          0x30f9258a:  ldrb.w r2, [r2, #69]
          0x30f9258e:  strb   r2, [r1, #2]
          0x30f92590:  ldr    r0, [r0, #32]
          0x30f92592:  cbz    r0, 0x30f925a8            ; ucol_getVersion + 56
          0x30f92594:  ldr    r2, [r0, #36]
          0x30f92596:  ldrb.w r0, [r2, #72]
          0x30f9259a:  ldrb.w r2, [r2, #73]
  </code></pre>