Iphone NSScrollView在滚动时出错-[CALayer isEqual:]：消息已发送到解除分配的实例”；

我正在尝试修复代码，但不知道为什么会出现以下错误：

modifying layer that is being finalized - 0x11818240
2010-09-10 02:35:53.022 iPhone Monkey Curling[1606:207] modifying layer that is being finalized - 0x11818240
2010-09-10 02:35:53.023 iPhone Monkey Curling[1606:207] modifying layer that is being finalized - 0x11818240
2010-09-10 02:35:54.671 iPhone Monkey Curling[1606:207] *** -[CALayer isEqual:]: message sent to deallocated instance 0x11818240

当我的all_score_table scroll视图尝试滚动时（滚动尝试时立即崩溃），就会发生这种情况。以下是设置滚动视图的代码：

NSMutableArray * scores_data = [[first_data componentsSeparatedByString: @"\n"] mutableCopy];
        if ([scores_data count] != 3) {
            UIAlertView *connection_alert = [[UIAlertView alloc] initWithTitle:@"Error" message:@"Malformed server response." delegate:nil cancelButtonTitle:@"Close" otherButtonTitles: nil];
            [connection_alert show];
            [connection_alert release];
            return;
        }
        if([[scores_data objectAtIndex:0] isEqual:@""]){
            [scores_data replaceObjectAtIndex:0 withObject:@"No scores for today,"];
        }
        if([[scores_data objectAtIndex:1] isEqual:@""]){
            [scores_data replaceObjectAtIndex:1 withObject:@"No scores this week,"];
        }
        if([[scores_data objectAtIndex:2] isEqual:@""]){
            [scores_data replaceObjectAtIndex:2 withObject:@"No scores,"];
        }
        [scores_data replaceObjectAtIndex:0 withObject: [[scores_data objectAtIndex:0] componentsSeparatedByString: @";"]];
        [scores_data replaceObjectAtIndex:1 withObject: [[scores_data objectAtIndex:1] componentsSeparatedByString: @";"]];
        [scores_data replaceObjectAtIndex:2 withObject: [[scores_data objectAtIndex:2] componentsSeparatedByString: @";"]];
        NSLog(@"scores_data");
        if (todays_scores_table){
            //One of the tables exist so all of them must. Release them for renewal.
            [todays_scores_table release];
            [week_scores_table release];
            [all_scores_table release];
            [online_scores_pages release]; //release pages also
        }
        NSLog(@"1");
        todays_scores_table = [[UIScrollView alloc] initWithFrame:CGRectMake(10, 110, 295, 300)];
        week_scores_table = [[UIScrollView alloc] initWithFrame:CGRectMake(330, 110, 295, 300)];
        all_scores_table = [[UIScrollView alloc] initWithFrame:CGRectMake(650, 110, 295, 300)];
        todays_scores_table.contentSize = CGSizeMake(205, 60 + 40*[[scores_data objectAtIndex:0] count]);
        week_scores_table.contentSize = CGSizeMake(205, 60 + 40*[[scores_data objectAtIndex:1] count]);
        all_scores_table.contentSize = CGSizeMake(205, 60 + 40*[[scores_data objectAtIndex:2] count]);
        NSLog(@"2");
        NSArray * score_data;
        NSString * path = [[NSBundle mainBundle] pathForResource: @"single_score_image" ofType:@"png"];
        NSData * data = [[NSData alloc] initWithContentsOfFile:path];
        UIImage * background_image = [[UIImage alloc] initWithData:data];
        UIImageView * background_view;
        UIImage * header_image;
        if(submission){
            path = [[NSBundle mainBundle] pathForResource: @"scores_header" ofType:@"png"];
            [data release];
            NSLog(@"3");
            data = [[NSData alloc] initWithContentsOfFile:path];
            header_image = [[UIImage alloc] initWithData:data];
        }
        UIImageView * header_view;
        int offset;
        UILabel * label;
        NSLog(@"4");
        UIScrollView * tables[3] = {todays_scores_table,week_scores_table,all_scores_table};
        online_scores_pages = [[UIScrollView alloc] initWithFrame:CGRectMake(0, 0, 320, 420)];
        online_scores_pages.contentSize = CGSizeMake(960, 420);
        online_scores_pages.pagingEnabled = YES; //Act like iphone home page
        UIImage * title_image;
        UIImageView * title_view;
        NSLog(@"5");
        //border for scores table
        [data release];
        path = [[NSBundle mainBundle] pathForResource: @"score_table_border" ofType:@"png"];
        data = [[NSData alloc] initWithContentsOfFile:path];
        UIImage * border_image = [[[UIImage alloc] initWithData:data] autorelease];
        UIImageView * score_table_border;
        for (int a = 0; a < 3; a++) {
            if(submission){ //Only do header when submitting score
                header_view = [[UIImageView alloc] initWithImage: header_image];
                header_view.frame = CGRectMake(10, 10, 275, 30);
                NSLog(@"5A");
                [tables[a] addSubview: header_view];
                [header_view release];
                label = [[UILabel alloc] initWithFrame:CGRectMake(25, 10, 245, 30)];
                label.backgroundColor = [UIColor clearColor];
                NSLog(@"5B");
                NSString * end;
                NSLog(@"5C");
                if ([[scores_data objectAtIndex:a+3] characterAtIndex:0] == '1'){
                    end = @"st";
                }else if ([[scores_data objectAtIndex:a+3] characterAtIndex:0] == '2'){
                    end = @"nd";
                }else if ([[scores_data objectAtIndex:a+3] characterAtIndex:0] == '3'){
                    end = @"rd";
                }else{
                    end = @"th";
                }
                NSArray * pos_data = [[scores_data objectAtIndex:a+3] componentsSeparatedByString: @"/"];
                label.text = [NSString stringWithFormat: @"You came %@%@ from %@ scores.",[pos_data objectAtIndex:0],end,[pos_data objectAtIndex:1]];
                [tables[a] addSubview:label];
                NSLog(@"5E");
                [label release];
                NSLog(@"6");
            }
            for (int x = 0; x < [[scores_data objectAtIndex:a] count]; x++){
                score_data = [[[scores_data objectAtIndex:a] objectAtIndex:x] componentsSeparatedByString: @","];
                //Image for each score
                offset = 50 + 40*x;
                background_view = [[UIImageView alloc] initWithImage: background_image];
                background_view.frame = CGRectMake(10, offset, 275, 30); //Reposition
                [tables[a] addSubview: background_view];
                [background_view release];
                //Add score position
                label = [[UILabel alloc] initWithFrame:CGRectMake(10, offset, 30, 30)];
                label.backgroundColor = [UIColor clearColor];
                label.text = [NSString stringWithFormat: @"%i",x+1];
                label.textAlignment = UITextAlignmentCenter;
                [tables[a] addSubview:label];
                [label release];
                NSLog(@"7 %@ \n\n %@",score_data,scores_data);
                //Add name
                label = [[UILabel alloc] initWithFrame:CGRectMake(55, offset, 190, 30)];
                label.backgroundColor = [UIColor clearColor];
                label.text = [score_data objectAtIndex:0];
                [tables[a] addSubview:label];
                [label release];
                //Add score
                label = [[UILabel alloc] initWithFrame:CGRectMake(55, offset, 225, 30)];
                label.backgroundColor = [UIColor clearColor];
                label.text = [NSString stringWithFormat: @"%@",[score_data objectAtIndex:1]];
                label.textAlignment = UITextAlignmentRight;
                [tables[a] addSubview:label];
                [label release];
                NSLog(@"8");
            }
            //Add title
            switch (a) {
                case 0:
                    path = [[NSBundle mainBundle] pathForResource: @"todays_scores_title" ofType:@"png"];
                    break;
                case 1:
                    path = [[NSBundle mainBundle] pathForResource: @"week_scores_title" ofType:@"png"];
                    break;
                case 2:
                    path = [[NSBundle mainBundle] pathForResource: @"all_scores_title" ofType:@"png"];
                    break;
            }
            [data release];
            data = [[NSData alloc] initWithContentsOfFile:path];
            title_image = [[[UIImage alloc] initWithData:data] autorelease];
            title_view = [[[UIImageView alloc] initWithImage: title_image] autorelease];
            title_view.frame = CGRectMake(25 + 320*a, 15, 270, 75); //Reposition and resize
            [online_scores_pages addSubview:title_view];
            NSLog(@"9");
            //Add table
            score_table_border = [[UIImageView alloc] initWithImage: border_image];
            score_table_border.frame = CGRectMake(320*a, 100, 320, 320); //Reposition
            [online_scores_pages addSubview: tables[a]];
            [online_scores_pages addSubview: score_table_border];
            [score_table_border release];
        }
        [data release];
        if(submission){
            [header_image release];
            [header_view release];
        }
        [background_image release];
        [background_view release];
        [self addSubview: online_scores_pages];
        [online_scores_pages becomeFirstResponder];

NSMutableArray*得分\u数据=[[第一个\u数据组件由字符串分隔：@“\n”]mutableCopy]；
如果（[分数\数据计数]！=3）{
UIAlertView*connection_alert=[[UIAlertView alloc]initWithTitle:@“错误”消息：@“格式错误的服务器响应”。委托：nil cancelButtonTitle:@“关闭”其他ButtonTitles:nil]；
[连接警报显示]；
[连接警报释放]；
返回；
}
如果（[[scores_data objectAtIndex:0]isEqual:@”“]））{
[scores_data replaceObjectAtIndex:0 with Object:@“今天没有分数，”；
}
如果（[[scores_data objectAtIndex:1]isEqual:@”“]））{
[scores_data replaceObjectAtIndex:1 with Object:@“本周无分数，”；
}
如果（[[scores_data objectAtIndex:2]isEqual:@”“]））{
[分数\数据替换对象索引：2，对象：@“无分数，”；
}
[scores_data replaceObjectAtIndex:0与对象：[[scores_data objectAtIndex:0]组件由字符串@分隔“]；
[scores_data replaceObjectAtIndex:1与对象：[[scores_data objectAtIndex:1]组件由字符串@分隔“]；
[scores_data replaceObjectAtIndex:2与对象：[[scores_data objectAtIndex:2]组件由字符串@分隔“]；
NSLog（“分数数据”）；
如果（今天的分数表）{
//其中一个表存在，因此所有表都必须存在。请释放它们以进行续订。
[今日分数表发布]；
[周分数表发布]；
[所有评分表发布]；
[online_scores_pages release]；//同时发布网页
}
NSLog（@“1”）；
todays_scores_table=[[UIScrollView alloc]initWithFrame:CGRectMake（101110295300）]；
周评分表=[[UIScrollView alloc]initWithFrame:cRectMake（330、110、295、300）]；
所有评分表=[[UIScrollView alloc]initWithFrame:cRectMake（650110295300）]；
todays_scores_table.contentSize=CGSizeMake（205,60+40*[[scores_data objectAtIndex:0]计数]）；
week_scores_table.contentSize=CGSizeMake（205,60+40*[[scores_data objectAtIndex:1]计数]）；
所有分数\u table.contentSize=CGSizeMake（205,60+40*[[scores\u data objectAtIndex:2]计数]）；
NSLog（@“2”）；
NSArray*得分数据；
NSString*path=[[NSBundle mainBundle]pathForResource:@“png”类型的“single_score_image”；
NSData*data=[[NSData alloc]initWithContentsOfFile:path]；
UIImage*background_image=[[UIImage alloc]initWithData:data]；
UIImageView*背景视图；
UIImage*标题_图像；
如果（提交）{
path=[[NSBundle mainBundle]pathForResource:@“png”类型的“分数头”；
[数据发布]；
NSLog（@“3”）；
数据=[[NSData alloc]initWithContentsOfFile:path]；
header_image=[[UIImage alloc]initWithData:data]；
}
UIImageView*标题视图；
整数偏移量；
UILabel*标签；
NSLog（@“4”）；
UIScrollView*表[3]={今天的分数表、周分数表、所有分数表}；
在线评分页面=[[UIScrollView alloc]initWithFrame:CGRectMake（0,0320420）]；
在线评分页面.contentSize=CGSizeMake（960420）；
online_scores_pages.paginEnabled=是//就像iphone主页一样
UIImage*标题图片；
UIImageView*标题视图；
NSLog（@“5”）；
//分数表边框
[数据发布]；
path=[[NSBundle mainBundle]pathForResource:@“png”类型的“分数表边框”；
数据=[[NSData alloc]initWithContentsOfFile:path]；
UIImage*border_image=[[UIImage alloc]initWithData:data]autorelease]；
UIImageView*分数表边框；
对于（int a=0；a<3；a++）{
如果（提交）{//提交分数时只做标题
header_view=[[UIImageView alloc]initWithImage:header_image]；
标题_view.frame=CGRectMake（10,10,275,30）；
NSLog（@“5A”）；
[表[a]添加子视图：标题视图]；
[标题视图发布]；
label=[[UILabel alloc]initWithFrame:CGRectMake（25,10245,30）]；
label.backgroundColor=[UIColor clearColor]；
NSLog（@“5B”）；
NSString*结束；
NSLog（@“5C”）；
如果（[[scores\u data objectAtIndex:a+3]字符AtIndex:0]=='1'）{
结束=@“st”；
}else if（[[scores\u data objectAtIndex:a+3]characterAtIndex:0]=='2'）{
结束=@“nd”；
}else if（[[scores\u data objectAtIndex:a+3]characterAtIndex:0]=='3'）{
结束=@“rd”；
}否则{
结束=@“th”；
}
NSArray*pos_data=[[scores_data objectAtIndex:a+3]组件由字符串@”/“]分隔；
label.text=[NSString stringWithFormat:@“您来自%@分数%@%.”，[pos_数据对象索引：0]，结束[pos_数据对象索引：1]；
[表[a]添加子视图：标签]；
NSLog（@“5E”）；
[标签发布]；
NSLog（@“6”）；
}
对于（int x=0；x<[[scores_data objectAtIndex:a]count]；x++）{
score_data=[[[scores_data objectAtIndex:a]objectAtIndex:x]由字符串@“，”分隔的组件；
//每个分数的图像
偏移量=50+40*x；
background_view=[[UIImageView alloc]initWithImage:background_image]；
background_view.frame=CGRectMake（10，偏移量，275，
if([[scores_data objectAtIndex:0] isEqual:@""]){ 
if([[scores_data objectAtIndex:1] isEqual:@""]){ 
if([[scores_data objectAtIndex:2] isEqual:@""]){

MutableArray * scores_data = [[first_data componentsSeparatedByString: @"\n"] mutableCopy];