有一些外部jar路径要添加到hadoop类路径中。运行start-dfs.sh之后，我发现了这些错误。如果我从hadoop-env.sh文件中删除类路径，Hadoop将正常运行。我还在hadoop-env.sh文件中设置了HADOOP_OPTS="$HADOOP_OPTS -Djava.library.path=/usr/local/hadoop/lib/native"和export HADOOP_COMMON_LIB_NATIVE_DIR="/usr/local/hadoop/lib/native/"。
[main]]: ssh: Could not resolve hostname [main]]: Name or service not known
using: ssh: Could not resolve hostname using: Name or service not known
14:48:34.392: ssh: Could not resolve hostname 14:48:34.392: Name or service not known
hadoop: ssh: Could not resolve hostname hadoop: Name or service not known
14:48:34.392: ssh: Could not resolve hostname 14:48:34.392: Name or service not known
UserGroupInformation: ssh: Could not resolve hostname usergroupinformation: Name or service not known
KerberosName: ssh: Could not resolve hostname kerberosname: Name or service not known
hadoop.security.token.service.use_ip: ssh: Could not resolve hostname hadoop.security.token.service.use_ip: Name or service not known
cacheTimeout=300000;: ssh: Could not resolve hostname cachetimeout=300000;: Name or service not known
Group: ssh: Could not resolve hostname group: Name or service not known
[main]]: ssh: Could not resolve hostname [main]]: Name or service not known
[[DEBUG]: ssh: Could not resolve hostname [[debug]: Name or service not known
login: ssh: Could not resolve hostname login: Name or service not known
with: ssh: Could not resolve hostname with: Name or service not known
Using: ssh: Could not resolve hostname using: Name or service not known
[main]]: ssh: Could not resolve hostname [main]]: Name or service not known
warningDeltaMs=5000: ssh: Could not resolve hostname warningdeltams=5000: Name or service not known
UserGroupInformation: ssh: Could not resolve hostname usergroupinformation: Name or service not known
user:UnixPrincipal:: ssh: Could not resolve hostname user:unixprincipal:: Name or service not known
[[DEBUG]: ssh: Could not resolve hostname [[debug]: Name or service not known
UserGroupInformation: ssh: Could not resolve hostname usergroupinformation: Name or service not known
[main]]: ssh: Could not resolve hostname [main]]: Name or service not known
[[DEBUG]: ssh: Could not resolve hostname [[debug]: Name or service not known
UserGroupInformation: ssh: Could not resolve hostname usergroupinformation: Name or service not known
name: ssh: Could not resolve hostname name: Name or service not known
"username": ssh: Could not resolve hostname "username": Name or service not known
entry:: ssh: Could not resolve hostname entry:: Name or service not known
from: ssh: Could not resolve hostname from: Name or service not known
PrivilegedAction: ssh: Could not resolve hostname privilegedaction: Name or service not known
subject.: ssh: Could not resolve hostname subject.: Name or service not known
[[DEBUG]: ssh: Could not resolve hostname [[debug]: Name or service not known
UserGroupInformation: ssh: Could not resolve hostname usergroupinformation: Name or service not known
14:48:34.393: ssh: Could not resolve hostname 14:48:34.393: Name or service not known
[[DEBUG]: ssh: Could not resolve hostname [[debug]: Name or service not known
user:: ssh: Could not resolve hostname user:: Name or service not known
externally: ssh: Could not resolve hostname externally: Name or service not known
UserGroupInformation: ssh: Could not resolve hostname usergroupinformation: Name or service not known
is: ssh: Could not resolve hostname is: Name or service not known
UGI: ssh: Could not resolve hostname ugi: Name or service not known
managed: ssh: Could not resolve hostname managed: Name or service not known
UserGroupInformation: ssh: Could not resolve hostname usergroupinformation: Name or service not known
[main]]: ssh: Could not resolve hostname [main]]: Name or service not known
loginUser:username: ssh: Could not resolve hostname loginuser:username: Name or service not known
[main]]: ssh: Could not resolve hostname [main]]: Name or service not known
[[DEBUG]: ssh: Could not resolve hostname [[debug]: Name or service not known
from:org.apache.hadoop.hdfs.tools.GetConf.run(GetConf.java:315): ssh: Could not resolve hostname from:org.apache.hadoop.hdfs.tools.getconf.run(getconf.java:315): Name or service not known
[[DEBUG]: ssh: Could not resolve hostname [[debug]: Name or service not known
login: ssh: Could not resolve hostname login: Name or service not known
[[DEBUG]: ssh: Could not resolve hostname [[debug]: Name or service not known
commit: ssh: Could not resolve hostname commit: Name or service not known
keytab: ssh: Could not resolve hostname keytab: Name or service not known
logged: ssh: Could not resolve hostname logged: Name or service not known
(auth:SIMPLE): ssh: Could not resolve hostname (auth:simple): Name or service not known
in: ssh: Could not resolve hostname in: Name or service not known
Assuming: ssh: Could not resolve hostname assuming: Name or service not known
User: ssh: Could not resolve hostname user: Name or service not known
有人可以帮忙吗？