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RequestNettyPBDecoder 类解析半包问题 #12

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hligaty opened this issue Jul 18, 2022 · 0 comments

hligaty commented Jul 18, 2022

RequestNettyPBDecoder 类的 decode() 在半包读取时出现 opcode 丢失问题。
问题原因是 ByteBuf#readableBytes() 满足 headSize 长度但不满足消息体时，也就是

if (size > readAble - headSize) {
    return;
}

代码段，在下次读取剩余半包时消息体正常读取，但 opcode 和 id 是局部变量而不是方法变量导致为 0，最后抛出 MMException

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