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摘要：解决Docker连接仓库超时问题的方法是通过修改/etc/docker/daemon.json配置文件，添加国内镜像源如https://docker.m.daocloud.io。若文件不存在则新建，配置完成后重启Docker服务(systemctl restart docker)，通过docker info确认镜像源修改成功。最后重新运行docker run hello-world命令即可正常下载镜像并验证Docker安装正确。该方法有效解决了因网络问题导致的Docker仓库连接超时问题。

在nginx文件夹里执行make命令报错。

Issue<!--chrome不会密码框填充，firefox会密码填充--><el-form-item label="密码" prop="password"> <el-input type="password" :readonly="readonly" v-model="ruleForm.password" placeholder="请输入密码" autocomplete="off" ></el-input>

IssueException in thread "main" org.elasticsearch.bootstrap.BootstrapException: java.nio.file.AccessDeniedException: /usr/local/elasticsearch/elasticsearch-7.1.0/config/elasticsearch.keystoreLikely ...

IssueERROR: [1] bootstrap checks failed[1]: max file descriptors [4096] for elasticsearch process is too low, increase to at least [65535][2019-05-28T22:48:34,271][INFO ][o.e.n.Node ]...

Issue[2019-05-30T22:41:49,865][INFO ][o.e.c.c.JoinHelper ] [elasticsearch-03] failed to join {master}{2eBgVAENQPasypfXsl6qkA}{jwZVwnQURiG5p9C1SqSWjQ}{192.168.138.130}{192.168.138.130:9300}{ml.m...

IssueERROR StatusLogger No Log4j 2 configuration file found. Using default configuration (logging only errors to the console), or user programmatically provided configurations. Set system property 'l...

Issuejava.lang.NoSuchMethodError: io.netty.util.AttributeKey.newInstance(Ljava/lang/String;)Lio/netty/util/AttributeKey; at org.elasticsearch.http.netty4.Netty4HttpServerTransport.<clinit>(Ne...

Issuejava.lang.NoClassDefFoundError: io/netty/util/internal/logging/InternalLoggerFactory at org.elasticsearch.transport.Netty4Plugin.<clinit>(Netty4Plugin.java:49) at sun.reflect.NativeCons...

IssueException in thread "main" java.lang.SecurityException: Invalid signature file digest for Manifest main attributes at sun.security.util.SignatureFileVerifier.processImpl(SignatureFileVerifier.j...

Issue[2019-05-28T23:16:19,548][WARN ][r.suppressed ] [elasticsearch-01] path: /_cat/health, params: {pretty=, v=}org.elasticsearch.discovery.MasterNotDiscoveredException: null at org.el...

Issue2019-05-09T23:34:22,719 WARN [1563401209@qtp-104261836-2] org.mortbay.log - EXCEPTION javax.net.ssl.SSLHandshakeException: Received fatal alert: certificate_unknown at sun.security.ssl.Alerts....

Issue在伪分布模式下，DataNode的服务器无法启动Answer由于无法解析主机名，datanode拒绝与namenode通信（1）重点检查/etc/hosts的配置文件是否配置正确，修改完reboot重启hosts配置文件（2）删除dfs.namenode.name.dir和dfs.datanode.data.dir目录的文件（3）重新格式化NameNode，重新启...

IssueAnswer这应该是tomcat的缓存问题，需删掉Tomcat目录下的Work目录的Catalina文件夹

Issue在伪分布模式下，DataNode的服务器无法启动，启动了DataNode，一会儿后JPS命令查看，DataNode没有启动Answer这可能是所有指定目录没有加载成功（1）重点检查hadoop-env.sh、core-site.xml和hdfs-site.xml的配置文件是否配置正确hadoop-env.sh配置文件core-site.xml配置文件hdfs-site...

IssueAnswer这是因为Windows只有在具有访问权限的路径里检查当前进程，而当前路径没有访问权限，所以我们修改源代码，通过return true给予访问（1）在网站https://www.apache.org/dyn/closer.cgi/hadoop/common/hadoop-2.9.2/hadoop-2.9.2-src.tar.gz里下载hadoop-2.9.2-src.t...

IssueAnswer这是因为mapreduce的shuffle机制不存在，无法进行maptask任务，主要检查一下yarn-site.xml配置文件，然后重启Hadoop集群

IssueAnswer这是因为没有初始化Hive的元数据库， 通过工具schematool进行初始化

IssueLoading class 'com.mysql.jdbc.Driver'. This is deprecated. The new driver class is 'com.mysql.cj.jdbc.Driver'. The driver is automatically registered via the SPI and manual loading of the driver...

IssueException in thread "main" java.lang.NoSuchMethodError: org.apache.hadoop.security.authentication.util.KerberosUtil.hasKerberosTicket(Ljavax/security/auth/Subject;)Z at org.apache.hadoop.secur...

Issue2019/05/09 21:50:04.061 +0800 ERROR [StdOutErrRedirect] [Azkaban] SLF4J: Class path contains multiple SLF4J bindings.2019/05/09 21:50:04.061 +0800 ERROR [StdOutErrRedirect] [Azkaban] SLF4J: Fou...

Issue![在这里插入图片描述](https://img-blog.csdnimg.cn/20190117192814378.PNG?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0phdmFEZXN0aW55,size_16,color_FF...