执行mapreduce测试时出现No appenders could be found for logger
刚装好环境进行mapreduce测试时出现No appenders could be found for logger (org.apache.hadoop.mapreduce.v2.app.MRAppMaster)。下面是日志信息:
[2018-03-20 21:11:38.158]Container exited with a non-zero exit code 1. Error file: prelaunch.err.
Last 4096 bytes of prelaunch.err :
Last 4096 bytes of stderr :
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.google.inject.internal.cglib.core.$ReflectUtils$2 (file:/usr/local/hadoop/hadoop-3.0.0/share/hadoop/yarn/lib/guice-4.0.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int,java.security.ProtectionDomain)
WARNING: Please consider reporting this to the maintainers of com.google.inject.internal.cglib.core.$ReflectUtils$2
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
3月 20, 2018 9:11:34 下午 com.sun.jersey.guice.spi.container.GuiceComponentProviderFactory register
信息: Registering org.apache.hadoop.mapreduce.v2.app.webapp.JAXBContextResolver as a provider class
3月 20, 2018 9:11:34 下午 com.sun.jersey.guice.spi.container.GuiceComponentProviderFactory register
信息: Registering org.apache.hadoop.yarn.webapp.GenericExceptionHandler as a provider class
3月 20, 2018 9:11:34 下午 com.sun.jersey.guice.spi.container.GuiceComponentProviderFactory register
信息: Registering org.apache.hadoop.mapreduce.v2.app.webapp.AMWebServices as a root resource class
3月 20, 2018 9:11:34 下午 com.sun.jersey.server.impl.application.WebApplicationImpl _initiate
信息: Initiating Jersey application, version 'Jersey: 1.19 02/11/2015 03:25 AM'
3月 20, 2018 9:11:34 下午 com.sun.jersey.guice.spi.container.GuiceComponentProviderFactory getComponentProvider
信息: Binding org.apache.hadoop.mapreduce.v2.app.webapp.JAXBContextResolver to GuiceManagedComponentProvider with the scope "Singleton"
log4j:WARN No appenders could be found for logger (org.apache.hadoop.mapreduce.v2.app.MRAppMaster).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
有哪位大神可以帮我看看的?多谢了