ClouderManger搭建大数据集群时ERROR 2003 (HY000): Can't connect to MySQL server on 'ubuntucmbigdata1' (111)的问题解决（图文详解）

　　问题详情

　　相关问题的场景，是在我下面的这篇博客里

Cloudera Manager安装之利用parcels方式（在线或离线）安装3或4节点集群（包含最新稳定版本或指定版本的安装）（添加服务）（Ubuntu14.04）（五）

root@ubuntucmbigdata1:~# mysql -uhive -hubuntucmbigdata1 -phive_password
ERROR  (HY000): Can't connect to MySQL server on 'ubuntucmbigdata1' (111)
root@ubuntucmbigdata1:~# mysql -uhive -hlocalhost -phive_password
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is
Server version: 5.5.-0ubuntu0.14.04. (Ubuntu)

Copyright (c) , , Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql> exit;
Bye

 　　解决办法

若是centos系统，则是可以直接

[root@cmbigdata1 ~]# yum install mysql-connector-java
Is this ok [y/N]: y

　　就好了。

　　但是，在ubuntu系统里，

root@ubuntucmbigdata1:/home/bigdata# apt-get install libmysql-java

　　则会失败。

　　解决办法1

root@ubuntucmbigdata1:~# sudo /etc/init.d/mysql start

　　查看你的mysql服务启动没。

　　

　　解决办法2

root@ubuntucmbigdata1:/usr/share/java# pwd
/usr/share/java
root@ubuntucmbigdata1:/usr/share/java# ls
gettext.jar  java_defaults.mk  java_uno.jar  juh-4.2.8.jar  juh.jar  jurt-4.2.8.jar  jurt.jar  libintl.jar  mysql-connector-java-5.1.28.jar  mysql-connector-java.jar  mysql.jar  ridl-4.2.8.jar  ridl.jar  unoloader.jar
root@ubuntucmbigdata1:/usr/share/java# sudo cp /usr/share/java/mysql-connector-java-5.1.28.jar /var/lib/oozie
root@ubuntucmbigdata1:/usr/share/java# cd /var/lib//oozie/
root@ubuntucmbigdata1:/var/lib/oozie# ls
examples.desktop  mysql-connector-java-5.1.28.jar
root@ubuntucmbigdata1:/var/lib/oozie# 

1. sudo cp /usr/share/java/mysql-connector-java-5.1.28.jar /var/lib/oozie

bigdata@ubuntucmbigdata1:/opt/cloudera/parcels/CDH-5.6.0-1.cdh5.6.0.p0.45/lib$ pwd
/opt/cloudera/parcels/CDH-5.6.0-1.cdh5.6.0.p0.45/lib
bigdata@ubuntucmbigdata1:/opt/cloudera/parcels/CDH-5.6.0-1.cdh5.6.0.p0.45/lib$ ls
avro           debug                  hadoop-hdfs       hadoop-yarn  hive-hcatalog  kite                  libImpalaUdf-retail.a  libzookeeper_mt.so.2      libzookeeper_st.so        mahout   search  sqoop      zookeeper-native
bigtop-tomcat  flume-ng               hadoop-httpfs     hbase        hue            libhdfs.so            libzookeeper_mt.a      libzookeeper_mt.so.2.0.0  libzookeeper_st.so.2      oozie    sentry  sqoop2
bigtop-utils   hadoop                 hadoop-kms        hbase-solr   impala         libhdfs.so.0.0.0      libzookeeper_mt.la     libzookeeper_st.a         libzookeeper_st.so.2.0.0  parquet  solr    whirr
crunch         hadoop-0.20-mapreduce  hadoop-mapreduce  hive         impala-shell   libImpalaUdf-debug.a  libzookeeper_mt.so     libzookeeper_st.la        llama                     pig      spark   zookeeper
bigdata@ubuntucmbigdata1:/opt/cloudera/parcels/CDH-5.6.0-1.cdh5.6.0.p0.45/lib$ cd hive
bigdata@ubuntucmbigdata1:/opt/cloudera/parcels/CDH-5.6.0-1.cdh5.6.0.p0.45/lib/hive$ ls
bin  cloudera  conf  lib  LICENSE  NOTICE  scripts  sentry
bigdata@ubuntucmbigdata1:/opt/cloudera/parcels/CDH-5.6.0-1.cdh5.6.0.p0.45/lib/hive$ cd lib/
bigdata@ubuntucmbigdata1:/opt/cloudera/parcels/CDH-5.6.0-1.cdh5.6.0.p0.45/lib/hive/lib$ ls
accumulo-core-1.6.0.jar               commons-compress-1.4.1.jar              hbase-client.jar                          hive-jdbc-1.1.0-cdh5.6.0.jar             jackson-databind-2.2.2.jar              metrics-jvm-3.0.2.jar
accumulo-fate-1.6.0.jar               commons-configuration-1.6.jar           hbase-common.jar                          hive-jdbc-1.1.0-cdh5.6.0-standalone.jar  jackson-jaxrs-1.9.2.jar                 opencsv-2.3.jar
accumulo-start-1.6.0.jar              commons-dbcp-1.4.jar                    hbase-hadoop2-compat.jar                  hive-jdbc.jar                            jackson-xc-1.9.2.jar                    oro-2.0.8.jar
accumulo-trace-1.6.0.jar              commons-digester-1.8.jar                hbase-hadoop-compat.jar                   hive-jdbc-standalone.jar                 janino-2.7.6.jar                        paranamer-2.3.jar
activation-1.1.jar                    commons-httpclient-3.0.1.jar            hbase-protocol.jar                        hive-metastore-1.1.0-cdh5.6.0.jar        jcommander-1.32.jar                     parquet-hadoop-bundle.jar
ant-1.9.1.jar                         commons-io-2.4.jar                      hbase-server.jar                          hive-metastore.jar                       jdo-api-3.0.1.jar                       pentaho-aggdesigner-algorithm-5.1.5-jhyde.jar
ant-launcher-1.9.1.jar                commons-lang-2.6.jar                    high-scale-lib-1.1.1.jar                  hive-serde-1.1.0-cdh5.6.0.jar            jersey-server-1.14.jar                  php
antlr-2.7.7.jar                       commons-logging-1.1.3.jar               hive-accumulo-handler-1.1.0-cdh5.6.0.jar  hive-serde.jar                           jersey-servlet-1.14.jar                 plexus-utils-1.5.6.jar
antlr-runtime-3.4.jar                 commons-math-2.1.jar                    hive-accumulo-handler.jar                 hive-service-1.1.0-cdh5.6.0.jar          jetty-all-7.6.0.v20120127.jar           py
apache-curator-2.6.0.pom              commons-pool-1.5.4.jar                  hive-ant-1.1.0-cdh5.6.0.jar               hive-service.jar                         jetty-all-server-7.6.0.v20120127.jar    regexp-1.3.jar
apache-log4j-extras-1.2.17.jar        commons-vfs2-2.0.jar                    hive-ant.jar                              hive-shims-0.23-1.1.0-cdh5.6.0.jar       jline-2.12.jar                          servlet-api-2.5.jar
asm-3.2.jar                           curator-client-2.6.0.jar                hive-beeline-1.1.0-cdh5.6.0.jar           hive-shims-0.23.jar                      jpam-1.1.jar                            snappy-java-1.0.4.1.jar
asm-commons-3.1.jar                   curator-framework-2.6.0.jar             hive-beeline.jar                          hive-shims-1.1.0-cdh5.6.0.jar            jsr305-3.0.0.jar                        ST4-4.0.4.jar
asm-tree-3.1.jar                      datanucleus-api-jdo-3.2.6.jar           hive-cli-1.1.0-cdh5.6.0.jar               hive-shims-common-1.1.0-cdh5.6.0.jar     jta-1.1.jar                             stax-api-1.0.1.jar
avro.jar                              datanucleus-core-3.2.10.jar             hive-cli.jar                              hive-shims-common.jar                    junit-4.11.jar                          stringtemplate-3.2.1.jar
bonecp-0.8.0.RELEASE.jar              datanucleus-rdbms-3.2.9.jar             hive-common-1.1.0-cdh5.6.0.jar            hive-shims.jar                           libfb303-0.9.2.jar                      super-csv-2.2.0.jar
calcite-avatica-1.0.0-incubating.jar  derby-10.11.1.1.jar                     hive-common.jar                           hive-shims-scheduler-1.1.0-cdh5.6.0.jar  libthrift-0.9.2.jar                     tempus-fugit-1.1.jar
calcite-core-1.0.0-incubating.jar     eigenbase-properties-1.1.4.jar          hive-contrib-1.1.0-cdh5.6.0.jar           hive-shims-scheduler.jar                 log4j-1.2.16.jar                        velocity-1.5.jar
calcite-linq4j-1.0.0-incubating.jar   geronimo-annotation_1.0_spec-1.1.1.jar  hive-contrib.jar                          hive-testutils-1.1.0-cdh5.6.0.jar        logredactor-1.0.3.jar                   xz-1.0.jar
commons-beanutils-1.7.0.jar           geronimo-jaspic_1.0_spec-1.0.jar        hive-exec-1.1.0-cdh5.6.0.jar              hive-testutils.jar                       mail-1.4.1.jar                          zookeeper.jar
commons-beanutils-core-1.8.0.jar      geronimo-jta_1.1_spec-1.1.1.jar         hive-exec.jar                             htrace-core.jar                          maven-scm-api-1.4.jar
commons-cli-1.2.jar                   groovy-all-2.4.4.jar                    hive-hbase-handler-1.1.0-cdh5.6.0.jar     httpclient-4.2.5.jar                     maven-scm-provider-svn-commons-1.4.jar
commons-codec-1.4.jar                 gson-2.2.4.jar                          hive-hbase-handler.jar                    httpcore-4.2.5.jar                       maven-scm-provider-svnexe-1.4.jar
commons-collections-3.2.2.jar         guava-14.0.1.jar                        hive-hwi-1.1.0-cdh5.6.0.jar               jackson-annotations-2.2.2.jar            metrics-core-3.0.2.jar
commons-compiler-2.7.6.jar            hamcrest-core-1.1.jar                   hive-hwi.jar                              jackson-core-2.2.2.jar                   metrics-json-3.0.2.jar
bigdata@ubuntucmbigdata1:/opt/cloudera/parcels/CDH-5.6.0-1.cdh5.6.0.p0.45/lib/hive/lib$ cp /usr/share/java/mysql-connector-java-5.1.28.jar .
cp: cannot create regular file ‘./mysql-connector-java-5.1.28.jar’: Permission denied
bigdata@ubuntucmbigdata1:/opt/cloudera/parcels/CDH-5.6.0-1.cdh5.6.0.p0.45/lib/hive/lib$ sudo cp /usr/share/java/mysql-connector-java-5.1.28.jar .
[sudo] password for bigdata:
bigdata@ubuntucmbigdata1:/opt/cloudera/parcels/CDH-5.6.0-1.cdh5.6.0.p0.45/lib/hive/lib$ ls
accumulo-core-1.6.0.jar               commons-compress-1.4.1.jar              hbase-client.jar                          hive-jdbc-1.1.0-cdh5.6.0.jar             jackson-databind-2.2.2.jar              metrics-jvm-3.0.2.jar
accumulo-fate-1.6.0.jar               commons-configuration-1.6.jar           hbase-common.jar                          hive-jdbc-1.1.0-cdh5.6.0-standalone.jar  jackson-jaxrs-1.9.2.jar                 mysql-connector-java-5.1.28.jar
accumulo-start-1.6.0.jar              commons-dbcp-1.4.jar                    hbase-hadoop2-compat.jar                  hive-jdbc.jar                            jackson-xc-1.9.2.jar                    opencsv-2.3.jar

root@ubuntucmbigdata1:~# mysql -uhive -hubuntucmbigdata1 -phive_password
ERROR 2003 (HY000): Can't connect to MySQL server on 'ubuntucmbigdata1' (111)
root@ubuntucmbigdata1:~# mysql -uhive -hlocalhost -phive_password
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 58
Server version: 5.5.55-0ubuntu0.14.04.1 (Ubuntu)

Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql> exit;

　　

　　断定不是授权的问题。

#bind-address           = 127.0.0.1

　　原文地址

原文地址：http://stackoverflow.com/questions/1420839/cant-connect-to-mysql-server-error-111

　　成功!

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