Centos7 install Solr7.2.1

Download the compressed package of solr7.2.1 and the package of tomcat

wget http://mirrors.hust.edu.cn/apache/lucene/solr/7.2.1/solr-7.2.1.tgz 

wget http://mirrors.tuna.tsinghua.edu.cn/apache/tomcat/tomcat-8/v8.0.50/bin/apache-tomcat-8.0.50.tar.gz

Unzip the compressed package and put it in the /opt/ directory

tar -xvf solr-7.2.1.tgz

tar -xvf apache-tomcat-8.0.50.tar.gz
cp apache-tomcat-8.0.50 /opt/tomcat -rf

Create /opt/solr_home directory

mkdir /opt/solr_home

Empty useless items under tomcat

rm -rf /opt/tomcat/webapps/*

Copy the required files to webapps

cp solr-7.2.1/server/solr-webapp/webapp /opt/tomcat/webapps/solr -rf

cp solr-7.2.1/server/lib/ext/* /opt/tomcat/webapps/solr/WEB-INF/lib/

cp solr-7.2.1/server/lib/metrics-*.jar /opt/tomcat/webapps/solr/WEB-INF/lib/

cp solr-7.2.1/dist/solr-dataimporthandler-* /opt/tomcat/webapps/solr/WEB-INF/lib/

Create classes file

mkdir /opt/tomcat/webapps/solr/WEB-INF/classes

Copy log4j.properties to classes

cp solr-7.2.1/server/resources/log4j.properties /opt/tomcat/webapps/solr/WEB-INF/classes/

Modify web.xml

# vim /opt/tomcat/webapps/solr/WEB-INF/web.xml

<!--
    <env-entry>
       <env-entry-name>solr/home</env-entry-name>
       <env-entry-value>/put/your/solr/home/here</env-entry-value>
       <env-entry-type>java.lang.String</env-entry-type>
    </env-entry>
   -->

去掉注释并修改solr_home:
<env-entry>
       <env-entry-name>solr/home</env-entry-name>
       <env-entry-value>/opt/solr_home</env-entry-value>
       <env-entry-type>java.lang.String</env-entry-type>
</env-entry>

<security-constraint>
    <web-resource-collection>
      <web-resource-name>Disable TRACE</web-resource-name>
      <url-pattern>/</url-pattern>
      <http-method>TRACE</http-method>
    </web-resource-collection>
    <auth-constraint/>
  </security-constraint>
  <security-constraint>
    <web-resource-collection>
      <web-resource-name>Enable everything but TRACE</web-resource-name>
      <url-pattern>/</url-pattern>
      <http-method-omission>TRACE</http-method-omission>
    </web-resource-collection>
  </security-constraint>

加上注释:
<!--
  <security-constraint>
    <web-resource-collection>
      <web-resource-name>Disable TRACE</web-resource-name>
      <url-pattern>/</url-pattern>
      <http-method>TRACE</http-method>
    </web-resource-collection>
    <auth-constraint/>
  </security-constraint>
  <security-constraint>
    <web-resource-collection>
      <web-resource-name>Enable everything but TRACE</web-resource-name>
      <url-pattern>/</url-pattern>
      <http-method-omission>TRACE</http-method-omission>
    </web-resource-collection>
  </security-constraint>
-->

Copy the files needed to run solr to solr_home

cp solr-7.2.1/server/solr/* /opt/solr_home/ -rf

cp -rf solr-7.2.1/dist/ /opt/solr_home/

cp -rf solr-7.2.1/contrib/ /opt/solr_home/

start tomcat

You must add index.html here, otherwise it will be 404

Even if it succeeds

Centos7 install Solr7.2.1

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