Kaijie Chen created RATIS-1796:
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Summary: TransferLeadership stopped by appendEntries from old
leader
Key: RATIS-1796
URL: https://issues.apache.org/jira/browse/RATIS-1796
Project: Ratis
Issue Type: Sub-task
Reporter: Kaijie Chen
Assignee: Kaijie Chen
Candidate state of transferee may be stopped by the appendEntries from old
leader, see the log below
{code:java}
2023-02-28 04:52:45,026 [s0-server-thread1] INFO impl.TransferLeadership
(TransferLeadership.java:tryTransferLeadership(107)) - s0@group-43918D205BB2:
start transferring leadership to s1
2023-02-28 04:52:45,029 [s0-server-thread1] INFO impl.TransferLeadership
(TransferLeadership.java:tryTransferLeadership(116)) - s0@group-43918D205BB2:
sent StartLeaderElection to transferee s1 immediately as it already has
up-to-date log
2023-02-28 04:52:45,031 [grpc-default-executor-6] INFO impl.RoleInfo
(RoleInfo.java:shutdownFollowerState(111)) - s1: shutdown
s1@group-43918D205BB2-FollowerState
2023-02-28 04:52:45,032 [s1@group-43918D205BB2-FollowerState] INFO
impl.FollowerState (FollowerState.java:run(152)) -
s1@group-43918D205BB2-FollowerState was interrupted
2023-02-28 04:52:45,032 [grpc-default-executor-6] INFO impl.RoleInfo
(RoleInfo.java:updateAndGet(140)) - s1: start
s1@group-43918D205BB2-LeaderElection4
2023-02-28 04:52:45,054 [s1-server-thread1] INFO impl.RoleInfo
(RoleInfo.java:shutdownLeaderElection(131)) - s1: shutdown
s1@group-43918D205BB2-LeaderElection4
2023-02-28 04:52:45,054 [s1-server-thread1] INFO impl.RoleInfo
(RoleInfo.java:startFollowerState(104)) - s1: startFollowerState
reason:appendEntries from s0 term 1,
trace: java.base/java.lang.Thread.getStackTrace(Thread.java:1602),
org.apache.ratis.server.impl.RoleInfo.startFollowerState(RoleInfo.java:104),
org.apache.ratis.server.impl.RaftServerImpl.changeToFollower(RaftServerImpl.java:547),
org.apache.ratis.server.impl.RaftServerImpl.changeToFollowerAndPersistMetadata(RaftServerImpl.java:556),
org.apache.ratis.server.impl.RaftServerImpl.appendEntriesAsync(RaftServerImpl.java:1498),
org.apache.ratis.server.impl.RaftServerImpl.appendEntriesAsync(RaftServerImpl.java:1396),
org.apache.ratis.server.impl.RaftServerProxy.lambda$appendEntriesAsync$26(RaftServerProxy.java:639),
org.apache.ratis.util.JavaUtils.callAsUnchecked(JavaUtils.java:117),
org.apache.ratis.server.impl.RaftServerImpl.lambda$executeSubmitServerRequestAsync$11(RaftServerImpl.java:818),
java.base/java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1700),
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128),
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628),
java.base/java.lang.Thread.run(Thread.java:829)
2023-02-28 04:52:45,055 [s1-server-thread1] INFO impl.RoleInfo
(RoleInfo.java:updateAndGet(140)) - s1: start
s1@group-43918D205BB2-FollowerState
{code}
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