this class is not key value coding-compliant for the key pstype.'

2015-11-13 19:10:07来源:cnblogs.com作者:蝼蚁之毒人点击

2015-10-28 16:31:40.478 attendance[10644:128666] *** Terminating app due to uncaught exception 'NSUnknownKeyException', reason: '[<__NSDictionaryI 0x7fe0e047d340> setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key pstype.'

错误如上,意思是该字典没有这个键,异常抛出是在这,

    [socket.writeData setValue:@(20152)                        forKey:@"pstype"];

socket.writeData是可变的字典,添加新的键值时需要进行内存分配,最终如下解决

    socket.writeData=[NSMutableDictionary dictionaryWithCapacity:10];        [socket.writeData setValue:@(20152)                        forKey:@"pstype"];    

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