测试类LogstashManageCoreBsTest执行报错

[toheng]

SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".
SLF4J: Defaulting to no-operation (NOP) logger implementation
SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details.
Exception in thread "main" java.lang.IllegalArgumentException: com.github.houbb.logstash4j.plugins.input.StdIn input can not be null!
at com.github.houbb.heaven.util.common.ArgUtil.notNull(ArgUtil.java:37)
at com.github.houbb.logstash4j.core.core.LogstashManageCore.buildInputList(LogstashManageCore.java:80)
at com.github.houbb.logstash4j.core.core.LogstashManageCore.run(LogstashManageCore.java:36)
at com.github.houbb.logstash4j.core.bs.LogstashManageCoreBs.run(LogstashManageCoreBs.java:131)
at com.github.houbb.logstash4j.test.core.LogstashManageCoreBsTest.main(LogstashManageCoreBsTest.java:51)

是因为我的操作方式有问题吗？
已经修改过gen_test.yaml和test.yml的绝对路径了