我试图开始使用logstash。我刚刚下载了logstash最新版本（1.5.3）并尝试从简单配置开始，但我收到了以下错误。
我使用logstash-1.4.2做了同样的事情，一切正常。
我该怎么做才能让它发挥作用？
追踪：
E:\log tools\logstash-1.5.2\bin>logstash -e 'input { stdin { } } output { stdout { codec => rubydebug } }'
io/console not supported; tty will not be manipulated
The error reported is:
Couldn't find any input plugin named 'stdin'. Are you sure this is correct? Trying to load the stdin input plugin resulted in this error: no suc
h file to load -- concurrent/atomic_reference/concurrent_update_error