2021.02.04 10:53:13.119713 [ 27702 ] {} Application: Caught exception while loading metadata: Poco::Exception. Code: 1000, e.code() = 111, e.displayText() = Connection refused: 47.106.193.101:7017, Stack trace (when copying this message, always include the lines below):

0. Poco::IOException::IOException(std::__1::basic_string<char, std::__1::char_traits, std::__1::allocator > const&, int) @ 0x13cda46c in /usr/bin/clickhouse
1. Poco::Net::ConnectionRefusedException::ConnectionRefusedException(std::__1::basic_string<char, std::__1::char_traits, std::__1::allocator > const&, int) @ 0x13bf7299 in /usr/bin/clickhouse
2. ? @ 0xa1a7374 in /usr/bin/clickhouse
3. Poco::Net::SocketImpl::connect(Poco::Net::SocketAddress const&) @ 0x13c0ccb9 in /usr/bin/clickhouse
4. Poco::MongoDB::Connection::Connection(std::__1::basic_string<char, std::__1::char_traits, std::__1::allocator > const&, int) @ 0x11b5f404 in /usr/bin/clickhouse
5. DB::StorageMongoDB::StorageMongoDB(DB::StorageID const&, std::__1::basic_string<char, std::__1::char_traits, std::__1::allocator > const&, unsigned short, std::__1::basic_string<char, std::__1::char_traits, std::__1::allocator > const&, std::__1::basic_string<char, std::__1::char_traits, std::__1::allocator > const&, std::__1::basic_string<char, std::__1::char_traits, std::__1::allocator > const&, std::__1::basic_string<char, std::__1::char_traits, std::__1::allocator > const&, DB::ColumnsDescription const&, DB::ConstraintsDescription const&, DB::Context const&) @ 0x1177c4d5 in /usr/bin/clickhouse
6. ? @ 0x1177d5af in /usr/bin/clickhouse
7. DB::StorageFactory::get(DB::ASTCreateQuery const&, std::__1::basic_string<char, std::__1::char_traits, std::__1::allocator > const&, DB::Context&, DB::Context&, DB::ColumnsDescription const&, DB::ConstraintsDescription const&, bool) const @ 0x10f1fbc6 in /usr/bin/clickhouse
8. DB::createTableFromAST(DB::ASTCreateQuery, std::__1::basic_string<char, std::__1::char_traits, std::__1::allocator > const&, std::__1::basic_string<char, std::__1::char_traits, std::__1::allocator > const&, DB::Context&, bool) @ 0x11516e5f in /usr/bin/clickhouse
9. ? @ 0x1151e6e1 in /usr/bin/clickhouse
10. ? @ 0x1151f02d in /usr/bin/clickhouse
11. ThreadPoolImpl::worker(std::__1::__list_iterator<ThreadFromGlobalPool, void*>) @ 0xa43d6ad in /usr/bin/clickhouse
12. ThreadFromGlobalPool::ThreadFromGlobalPool<void ThreadPoolImpl::scheduleImpl(std::__1::function<void ()>, int, std::__1::optional)::'lambda1'()>(void&&, void ThreadPoolImpl::scheduleImpl(std::__1::function<void ()>, int, std::__1::optional)::'lambda1'()&&...)::'lambda'()::operator()() const @ 0xa43dd93 in /usr/bin/clickhouse
13. ThreadPoolImplstd::__1::thread::worker(std::__1::__list_iterator<std::__1::thread, void*>) @ 0xa43cc4d in /usr/bin/clickhouse
14. ? @ 0xa43b3ff in /usr/bin/clickhouse
15. start_thread @ 0x7dd5 in /usr/lib64/libpthread-2.17.so
16. __clone @ 0xfdead in /usr/lib64/libc-2.17.so
    (version 20.8.3.18)
    2021.02.04 10:53:13.119847 [ 27702 ] {} Application: Shutting down storages.
    2021.02.04 10:53:13.119863 [ 27702 ] {} Context: Shutdown disk default
    2021.02.04 10:53:13.119941 [ 27729 ] {} SystemLog (system.query_log): Terminating
    2021.02.04 10:53:13.122805 [ 27702 ] {} Application: Shut down storages.
    2021.02.04 10:53:13.123002 [ 27702 ] {} Application: Destroyed global context.
    2021.02.04 10:53:13.124306 [ 27702 ] {} Application: Connection refused: 47.106.193.101:7017
    2021.02.04 10:53:13.124362 [ 27702 ] {} Application: shutting down
    2021.02.04 10:53:13.124374 [ 27702 ] {} Application: Uninitializing subsystem: Logging Subsystem
    2021.02.04 10:53:13.124544 [ 27710 ] {} BaseDaemon: Received signal -2
    2021.02.04 10:53:13.124595 [ 27710 ] {} BaseDaemon: Stop SignalListener thread

hi team

how to resolve the problem?

I find clickhouse-server try to connect port 7017 but I can't find any configuration about the port

ch works before I restart the server, and I don't change the configuration