**Describe the bug**
I got below error message when data replication is in progress, after then data replication has stopped and the DB is not accessible (detach and attach not work), I'm wondering what does the error message mean?

```
2020.08.30 11:43:28.441220 [ 105102 ] {} <Error> MaterializeMySQLSyncThread: Code: 99, e.displayText() = DB::Exception: Packet payload is not fully read. Stopped after 38 bytes, while 89 bytes are in buffer., Stack trace (when copying this message, always include the lines below):

0. Poco::Exception::Exception(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, int) @ 0x1a7d7400 in /usr/bin/clickhouse
1. DB::Exception::Exception(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, int) @ 0xff8f78d in /usr/bin/clickhouse
2. ? @ 0x1738ea80 in /usr/bin/clickhouse
3. DB::MySQLProtocol::PacketEndpoint::tryReceivePacket(DB::MySQLProtocol::IMySQLReadPacket&, unsigned long) @ 0x1739b497 in /usr/bin/clickhouse
4. DB::MySQLClient::readOneBinlogEvent(unsigned long) @ 0x17398b01 in /usr/bin/clickhouse
5. DB::MaterializeMySQLSyncThread::synchronization(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) @ 0x173707a0 in /usr/bin/clickhouse
6. ? @ 0x17370ba6 in /usr/bin/clickhouse
7. ThreadPoolImpl<std::__1::thread>::worker(std::__1::__list_iterator<std::__1::thread, void*>) @ 0xffbf517 in /usr/bin/clickhouse
8. ? @ 0xffbdb53 in /usr/bin/clickhouse
9. start_thread @ 0x7dd5 in /usr/lib64/libpthread-2.17.so
10. clone @ 0xfdead in /usr/lib64/libc-2.17.so
 (version 20.8.1.4474 (official build))
2020.08.30 11:43:30.346747 [ 104909 ] {cc04190d-a6a4-44bc-b9f2-b04e14129ee9} <Error> executeQuery: Code: 99, e.displayText() = DB::Exception: Packet payload is not fully read. Stopped after 38 bytes, while 89 bytes are in buffer. (version 20.8.1.4474 (official build)) (from 10.99.4.75:44904) (in query: SELECT COUNT(*) FROM rs_monitor.done_jobs FORMAT TabSeparatedWithNamesAndTypes;), Stack trace (when copying this message, always include the lines below):

0. Poco::Exception::Exception(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, int) @ 0x1a7d7400 in /usr/bin/clickhouse
1. DB::Exception::Exception(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, int) @ 0xff8f78d in /usr/bin/clickhouse
2. ? @ 0x1738ea80 in /usr/bin/clickhouse
3. DB::MySQLProtocol::PacketEndpoint::tryReceivePacket(DB::MySQLProtocol::IMySQLReadPacket&, unsigned long) @ 0x1739b497 in /usr/bin/clickhouse
4. DB::MySQLClient::readOneBinlogEvent(unsigned long) @ 0x17398b01 in /usr/bin/clickhouse
5. DB::MaterializeMySQLSyncThread::synchronization(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) @ 0x173707a0 in /usr/bin/clickhouse
6. ? @ 0x17370ba6 in /usr/bin/clickhouse
7. ThreadPoolImpl<std::__1::thread>::worker(std::__1::__list_iterator<std::__1::thread, void*>) @ 0xffbf517 in /usr/bin/clickhouse
8. ? @ 0xffbdb53 in /usr/bin/clickhouse
9. start_thread @ 0x7dd5 in /usr/lib64/libpthread-2.17.so
10. clone @ 0xfdead in /usr/lib64/libc-2.17.so

2020.08.30 11:43:30.347066 [ 104909 ] {cc04190d-a6a4-44bc-b9f2-b04e14129ee9} <Error> DynamicQueryHandler: Code: 99, e.displayText() = DB::Exception: Packet payload is not fully read. Stopped after 38 bytes, while 89 bytes are in buffer., Stack trace (when copying this message, always include the lines below):

0. Poco::Exception::Exception(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, int) @ 0x1a7d7400 in /usr/bin/clickhouse
1. DB::Exception::Exception(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, int) @ 0xff8f78d in /usr/bin/clickhouse
2. ? @ 0x1738ea80 in /usr/bin/clickhouse
3. DB::MySQLProtocol::PacketEndpoint::tryReceivePacket(DB::MySQLProtocol::IMySQLReadPacket&, unsigned long) @ 0x1739b497 in /usr/bin/clickhouse
4. DB::MySQLClient::readOneBinlogEvent(unsigned long) @ 0x17398b01 in /usr/bin/clickhouse
5. DB::MaterializeMySQLSyncThread::synchronization(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) @ 0x173707a0 in /usr/bin/clickhouse
6. ? @ 0x17370ba6 in /usr/bin/clickhouse
7. ThreadPoolImpl<std::__1::thread>::worker(std::__1::__list_iterator<std::__1::thread, void*>) @ 0xffbf517 in /usr/bin/clickhouse
8. ? @ 0xffbdb53 in /usr/bin/clickhouse
9. start_thread @ 0x7dd5 in /usr/lib64/libpthread-2.17.so
10. clone @ 0xfdead in /usr/lib64/libc-2.17.so
 (version 20.8.1.4474 (official build))
2020.08.30 11:43:38.036083 [ 104908 ] {c2ba4822-a889-496b-a167-9171b896ebb1} <Error> executeQuery: Code: 99, e.displayText() = DB::Exception: Packet payload is not fully read. Stopped after 38 bytes, while 89 bytes are in buffer. (version 20.8.1.4474 (official build)) (from 10.99.4.75:44906) (in query: SELECT * FROM rs_monitor.done_jobs ORDER BY id DESC FORMAT TabSeparatedWithNamesAndTypes;), Stack trace (when copying this message, always include the lines below):

0. Poco::Exception::Exception(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, int) @ 0x1a7d7400 in /usr/bin/clickhouse
1. DB::Exception::Exception(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, int) @ 0xff8f78d in /usr/bin/clickhouse
2. ? @ 0x1738ea80 in /usr/bin/clickhouse
3. DB::MySQLProtocol::PacketEndpoint::tryReceivePacket(DB::MySQLProtocol::IMySQLReadPacket&, unsigned long) @ 0x1739b497 in /usr/bin/clickhouse
4. DB::MySQLClient::readOneBinlogEvent(unsigned long) @ 0x17398b01 in /usr/bin/clickhouse
5. DB::MaterializeMySQLSyncThread::synchronization(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) @ 0x173707a0 in /usr/bin/clickhouse
6. ? @ 0x17370ba6 in /usr/bin/clickhouse
7. ThreadPoolImpl<std::__1::thread>::worker(std::__1::__list_iterator<std::__1::thread, void*>) @ 0xffbf517 in /usr/bin/clickhouse
8. ? @ 0xffbdb53 in /usr/bin/clickhouse
9. start_thread @ 0x7dd5 in /usr/lib64/libpthread-2.17.so
10. clone @ 0xfdead in /usr/lib64/libc-2.17.so

2020.08.30 11:43:38.036391 [ 104908 ] {c2ba4822-a889-496b-a167-9171b896ebb1} <Error> DynamicQueryHandler: Code: 99, e.displayText() = DB::Exception: Packet payload is not fully read. Stopped after 38 bytes, while 89 bytes are in buffer., Stack trace (when copying this message, always include the lines below):

0. Poco::Exception::Exception(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, int) @ 0x1a7d7400 in /usr/bin/clickhouse
1. DB::Exception::Exception(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, int) @ 0xff8f78d in /usr/bin/clickhouse
2. ? @ 0x1738ea80 in /usr/bin/clickhouse
3. DB::MySQLProtocol::PacketEndpoint::tryReceivePacket(DB::MySQLProtocol::IMySQLReadPacket&, unsigned long) @ 0x1739b497 in /usr/bin/clickhouse
4. DB::MySQLClient::readOneBinlogEvent(unsigned long) @ 0x17398b01 in /usr/bin/clickhouse
5. DB::MaterializeMySQLSyncThread::synchronization(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) @ 0x173707a0 in /usr/bin/clickhouse
6. ? @ 0x17370ba6 in /usr/bin/clickhouse
7. ThreadPoolImpl<std::__1::thread>::worker(std::__1::__list_iterator<std::__1::thread, void*>) @ 0xffbf517 in /usr/bin/clickhouse
8. ? @ 0xffbdb53 in /usr/bin/clickhouse
9. start_thread @ 0x7dd5 in /usr/lib64/libpthread-2.17.so
10. clone @ 0xfdead in /usr/lib64/libc-2.17.so
 (version 20.8.1.4474 (official build))
2020.08.30 11:45:11.352646 [ 104907 ] {f91d2659-1d7f-4869-941b-01216b4238b1} <Error> executeQuery: Code: 99, e.displayText() = DB::Exception: Packet payload is not fully read. Stopped after 38 bytes, while 89 bytes are in buffer. (version 20.8.1.4474 (official build)) (from 10.99.4.75:59228) (in query: select * from job_summary;), Stack trace (when copying this message, always include the lines below):

0. Poco::Exception::Exception(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, int) @ 0x1a7d7400 in /usr/bin/clickhouse
1. DB::Exception::Exception(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, int) @ 0xff8f78d in /usr/bin/clickhouse
2. ? @ 0x1738ea80 in /usr/bin/clickhouse
3. DB::MySQLProtocol::PacketEndpoint::tryReceivePacket(DB::MySQLProtocol::IMySQLReadPacket&, unsigned long) @ 0x1739b497 in /usr/bin/clickhouse
4. DB::MySQLClient::readOneBinlogEvent(unsigned long) @ 0x17398b01 in /usr/bin/clickhouse
5. DB::MaterializeMySQLSyncThread::synchronization(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) @ 0x173707a0 in /usr/bin/clickhouse
6. ? @ 0x17370ba6 in /usr/bin/clickhouse
7. ThreadPoolImpl<std::__1::thread>::worker(std::__1::__list_iterator<std::__1::thread, void*>) @ 0xffbf517 in /usr/bin/clickhouse
8. ? @ 0xffbdb53 in /usr/bin/clickhouse
9. start_thread @ 0x7dd5 in /usr/lib64/libpthread-2.17.so
10. clone @ 0xfdead in /usr/lib64/libc-2.17.so

2020.08.30 11:45:11.353144 [ 104907 ] {} <Error> ServerErrorHandler: Code: 99, e.displayText() = DB::Exception: Packet payload is not fully read. Stopped after 38 bytes, while 89 bytes are in buffer., Stack trace (when copying this message, always include the lines below):

0. Poco::Exception::Exception(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, int) @ 0x1a7d7400 in /usr/bin/clickhouse
1. DB::Exception::Exception(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, int) @ 0xff8f78d in /usr/bin/clickhouse
2. ? @ 0x1738ea80 in /usr/bin/clickhouse
3. DB::MySQLProtocol::PacketEndpoint::tryReceivePacket(DB::MySQLProtocol::IMySQLReadPacket&, unsigned long) @ 0x1739b497 in /usr/bin/clickhouse
4. DB::MySQLClient::readOneBinlogEvent(unsigned long) @ 0x17398b01 in /usr/bin/clickhouse
5. DB::MaterializeMySQLSyncThread::synchronization(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) @ 0x173707a0 in /usr/bin/clickhouse
6. ? @ 0x17370ba6 in /usr/bin/clickhouse
7. ThreadPoolImpl<std::__1::thread>::worker(std::__1::__list_iterator<std::__1::thread, void*>) @ 0xffbf517 in /usr/bin/clickhouse
8. ? @ 0xffbdb53 in /usr/bin/clickhouse
9. start_thread @ 0x7dd5 in /usr/lib64/libpthread-2.17.so
10. clone @ 0xfdead in /usr/lib64/libc-2.17.so
 (version 20.8.1.4474 (official build))
```

case QUERY_EVENT:
                return "QueryEvent";
            case STOP_EVENT:
                return "StopEvent";
            case ROTATE_EVENT:
                return "RotateEvent";
            case INT_VAR_EVENT:
                return "IntVarEvent";
            case LOAD_EVENT:
                return "LoadEvent";
            case SLAVE_EVENT:
                return "SlaveEvent";
            case CREATE_FILE_EVENT:
                return "CreateFileEvent";
            case APPEND_BLOCK_EVENT:
                return "AppendBlockEvent";
            case EXEC_LOAD_EVENT:
                return "ExecLoadEvent";
            case DELETE_FILE_EVENT:
                return "DeleteFileEvent";
            case NEW_LOAD_EVENT:
                return "NewLoadEvent";
            case RAND_EVENT:
                return "RandEvent";
            case USER_VAR_EVENT:
                return "UserVarEvent";
            case FORMAT_DESCRIPTION_EVENT:
                return "FormatDescriptionEvent";
            case XID_EVENT:
                return "XIDEvent";