Ubuntu18 +hadoop2.6运行命令出一大堆警告 5C

无论运行什么命令都出好多警告,小白表示看不懂啊
求大神帮忙,万分感谢!!
警告信息:

 WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by org.apache.hadoop.security.authentication.util.KerberosUtil (file:/usr/local/hadoop/share/hadoop/common/lib/hadoop-auth-2.6.4.jar) to method sun.security.krb5.Config.getInstance()
WARNING: Please consider reporting this to the maintainers of org.apache.hadoop.security.authentication.util.KerberosUtil
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
OpenJDK 64-Bit Server VM warning: You have loaded library /usr/local/hadoop/lib/native/libhadoop.so which might have disabled stack guard. The VM will try to fix the stack guard now.
It's highly recommended that you fix the library with 'execstack -c <libfile>', or link it with '-z noexecstack'.
18/05/01 11:10:45 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable

2个回答

你把默认的jdk9卸载了换回jdk8,就没有这个提示了。

CSDN_Black
csdn_black 我的jdk是openjdk10
一年多之前 回复

是jdk版本太高的原因,再说警告又不影响运行,你管它呢,能用就行了

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sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)rn at java.lang.reflect.Method.invoke(Method.java:585)rn at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)rn at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)rn at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)rn at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)rn at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)rn at org.jboss.system.ServiceController$ServiceProxy.invoke(ServiceController.java:978)rn at $Proxy0.start(Unknown Source)rn at org.jboss.system.ServiceController.start(ServiceController.java:417)rn at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source)rn at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)rn at java.lang.reflect.Method.invoke(Method.java:585)rn at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)rn at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)rn at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)rn at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)rn at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)rn at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)rn at $Proxy44.start(Unknown Source)rn at org.jboss.web.AbstractWebContainer.start(AbstractWebContainer.java:466)rn at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)rn at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)rn at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)rn at java.lang.reflect.Method.invoke(Method.java:585)rn at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)rn at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)rn at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)rn at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)rn at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)rn at org.jboss.mx.interceptor.DynamicInterceptor.invoke(DynamicInterceptor.java:97)rn
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