Standard input cannot be recorded to the log file

[yanzhang920817]

I compiled version 3.2.3 of fluent-bit and configured fluent-bit.conf, but the standard input cannot be recorded in the log file.test.log is empty.

./fluent-bit --version
Fluent Bit v3.2.3
Git commit:
[guoyanzhang@CoRobotServer bin]$ cat fluent-bit.conf
[SERVICE]
    Flush         1
    Log_Level     debug
    Daemon        off

[INPUT]
    Name          stdin
    Tag           app.logs

[OUTPUT]
    Name          file
    Match         *
    Path          /home/guoyanzhang/fluentBit/fluent-bit-3.2.3/install/bin/test.log
[guoyanzhang@CoRobotServer bin]$ echo "aaaaa" | ./fluent-bit -c ./fluent-bit.conf
Fluent Bit v3.2.3
* Copyright (C) 2015-2024 The Fluent Bit Authors
* Fluent Bit is a CNCF sub-project under the umbrella of Fluentd
* https://fluentbit.io

______ _                  _    ______ _ _           _____  _____
|  ___| |                | |   | ___ (_) |         |____ |/ __  \
| |_  | |_   _  ___ _ __ | |_  | |_/ /_| |_  __   __   / /`' / /'
|  _| | | | | |/ _ \ '_ \| __| | ___ \ | __| \ \ / /   \ \  / /
| |   | | |_| |  __/ | | | |_  | |_/ / | |_   \ V /.___/ /./ /___
\_|   |_|\__,_|\___|_| |_|\__| \____/|_|\__|   \_/ \____(_)_____/


[2024/12/26 21:38:29] [ info] Configuration:
[2024/12/26 21:38:29] [ info]  flush time     | 1.000000 seconds
[2024/12/26 21:38:29] [ info]  grace          | 5 seconds
[2024/12/26 21:38:29] [ info]  daemon         | 0
[2024/12/26 21:38:29] [ info] ___________
[2024/12/26 21:38:29] [ info]  inputs:
[2024/12/26 21:38:29] [ info]      stdin
[2024/12/26 21:38:29] [ info] ___________
[2024/12/26 21:38:29] [ info]  filters:
[2024/12/26 21:38:29] [ info] ___________
[2024/12/26 21:38:29] [ info]  outputs:
[2024/12/26 21:38:29] [ info]      file.0
[2024/12/26 21:38:29] [ info] ___________
[2024/12/26 21:38:29] [ info]  collectors:
[2024/12/26 21:38:29] [ info] [fluent bit] version=3.2.3, commit=, pid=265883
[2024/12/26 21:38:29] [debug] [engine] coroutine stack size: 24576 bytes (24.0K)
[2024/12/26 21:38:29] [ info] [storage] ver=1.5.2, type=memory, sync=normal, checksum=off, max_chunks_up=128
[2024/12/26 21:38:29] [ info] [simd    ] disabled
[2024/12/26 21:38:29] [ info] [cmetrics] version=0.9.9
[2024/12/26 21:38:29] [ info] [ctraces ] version=0.5.7
[2024/12/26 21:38:29] [ info] [input:stdin:stdin.0] initializing
[2024/12/26 21:38:29] [ info] [input:stdin:stdin.0] storage_strategy='memory' (memory only)
[2024/12/26 21:38:29] [debug] [stdin:stdin.0] created event channels: read=25 write=26
[2024/12/26 21:38:29] [debug] [input:stdin:stdin.0] buf_size=16000
[2024/12/26 21:38:29] [debug] [file:file.0] created event channels: read=28 write=29
[2024/12/26 21:38:29] [ info] [sp] stream processor started
[2024/12/26 21:38:29] [debug] [input:stdin:stdin.0] invalid JSON message, skipping
[2024/12/26 21:38:29] [ info] [output:file:file.0] worker #0 started
[2024/12/26 21:38:29] [ warn] [input:stdin:stdin.0] end of file (stdin closed by remote end)
[2024/12/26 21:38:29] [ warn] [engine] service will shutdown in max 5 seconds
[2024/12/26 21:38:29] [ info] [engine] service has stopped (0 pending tasks)
[2024/12/26 21:38:29] [ info] [output:file:file.0] thread worker #0 stopping...
[2024/12/26 21:38:29] [ info] [output:file:file.0] thread worker #0 stopped
[guoyanzhang@CoRobotServer bin]$ cat test.log