Java HotSpot(TM) Client VM warning: You have loaded library /opt/module/hadoop-2.7.2/lib/native/libhadoop.so.1.0.0

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'.

JAVA HotSpot(TM)客户端VM警告:您已加载库
/opt/module/hadoop-2.7.2/lib/native/libhadoop.so.1.0.0。
它可能已经禁用了堆栈保护。VM现在将尝试修复堆栈保护。
强烈建议您使用‘execstack-c<libfile>’修复该库,或者使用‘-z noexecstack’链接它。


解决办法:在profile(linux的环境变量文件)指定hadoop运行时使用的环境变量:

 HADOOP_COMMON_LIB_NATIVE_DIR:

HADOOP_OPTS:hadoop jvm运行参数设置

vi /etc/profile

添加

export HADOOP_COMMON_LIB_NATIVE_DIR=$HADOOP_HOME/lib/native

export HADOOP_OPTS="-Djava.library.path=$HADOOP_HOME/lib"

 

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