double-free/mit6.824-2017-chinese

A Chinese version of MIT 6.824 (Distributed System)

mit6.824-2017-chinese's Issues

Bug panic: runtime error: index out of range [24] with length 19

修改了 applyLog, 不知为何之前的 ApplyMsg 的参数不能fit autograder...

func (rf *Raft) applyLog() { rf.mu.Lock() defer rf.mu.Unlock() if rf.commitIndex > rf.lastApplied { for i := rf.lastApplied + 1; i <= rf.commitIndex; i++ { var msg ApplyMsg msg.CommandIndex = i msg.Command = rf.log[i].Command msg.CommandValid = true rf.applyCh <- msg } } }

In term 34: Server 0 transfer from CANDIDATE to FOLLOWER
Server 1 send vote req failed.
Server 1 send vote req failed.
panic: runtime error: index out of range [24] with length 19

goroutine 49470632 [running]:
raft/raft.(*Raft).broadcastAppendEntries.func1(0x0)
/Users/chihuiyang/Developer/UIUC/raft-mp2/src/raft/raft.go:468 +0x454
raft/raft.(*Raft).broadcastAppendEntries.func2(0x140001640c0?)
/Users/chihuiyang/Developer/UIUC/raft-mp2/src/raft/raft.go:511 +0x38
created by raft/raft.(*Raft).broadcastAppendEntries
/Users/chihuiyang/Developer/UIUC/raft-mp2/src/raft/raft.go:509 +0x128
exit status 2
FAIL raft/raft 48.910s

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哈喽，你好。我最近也在学习MIT 6.824课程，看了您的github仓库，觉得很不错。冒昧问下，是否能加您为好友呢，自学不易，多多交流。
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代码问题

`
if args.LeaderCommit > rf.commitIndex {

	if args.LeaderCommit < rf.getLastLogIndex() {

		rf.commitIndex = rf.getLastLogIndex()

	} else {

		rf.commitIndex = args.LeaderCommit

	}

}

`
你好，请教一下，这段代码和论文里描述不一样啊，论文里接收者实现说的是“如果 leaderCommit > commitIndex，令 commitIndex 等于 leaderCommit 和 新日志条目索引值中较小的一个”，这里是不是取反了？