LUCENE/SOLR Search Engine Development Series-2nd. SOLR Installation and Deployment (Tomcat chapter)

First, installation environment

Figure 1-1 Tomcat and SOLR versions

I am currently using the Java version of JDK 1.8 because SOLR 4.9 requires a Java version of 1.7 +, please note.

Ii. SOLR deployment to the Tomcat process

Figure 1-2 Tomcat installation directory

1, 1-2, for the directory of Tomcat decompression;

Figure 1-3 Tomcat Home

2, in the directory E:\apache-tomcat-8.0.9\bin, locate the Startup.bat file, double-click the file, start the Tomcat server, wait a few seconds, enter the HTTP in the browser ://localhost:8080/, if the server is started normally, the interface shown in 1-3 will appear;

3. In E:\apache-tomcat-8.0.9\conf\server.xml, find <Connector> tag, add uriencoding= "UTF-8" at the end of the tag, Purpose to solve the Chinese search garbled, as shown in the following code:

<port= "8080"  protocol= "http/1.1"connectiontimeout  = "20000"redirectport= "8443"  uriencoding= "UTF-8" />

Figure 1-4 Solr-4.9.1.war Copy and paste to the current directory, renamed to Solr.war

Figure 1-5 Tomcat's WebApps directory

4. Copy the Solr.war file in directory E:\solr-4.9.1\dist to E:\apache-tomcat-8.0.9\webapps, as we have previously started the Tomcat server , so Solr.war will automatically extract the Solr folder, as shown in 1-5;

Figure 1-6 Key File replication

5. Close the Tomcat server (that is, close the command line interface that Startup.bat started), create a new folder Solr_home in the E:\apache-tomcat-8.0.9\webapps directory, The folders Collection1 and Solr.xml in the E:\SOLR-4.9.1\EXAMPLE\SOLR are then copied to the E:\apache-tomcat-8.0.9\webapps\solr_home directory;

Figure 1-7 Configuration file Modification Solr_home

6, open the file E:\apache-tomcat-8.0.9\webapps\solr\WEB-INF\web.xml, find <env-entry> tags, modify the code section as shown in 1-7;

Figure 1-8 Static Firstsearcher warming in Solrconfig.xml---> *. *

7, open E:\apache-tomcat-8.0.9\webapps\solr_home\collection1\conf\solrconfig.xml, will <listener Event= "Firstsearcher" class= "SOLR. Querysenderlistener "> Label content as shown in Figure 1-8 to modify;

Figure 1-9 Replication of key directories

8. Copy the Contrib folder and Dist folder in E:\solr-4.9.1 to E:\apache-tomcat-8.0.9;

Figure 1-10 Configuring the SOLR log module

9. Copy the 5 jar packages under E:\solr-4.9.1\example\lib\ext to E:\apache-tomcat-8.0.9\webapps\solr\WEB-INF\lib;

Figure 1-11 Configuring the log output path to the Tomcat logs folder

10. Create a new Classes folder in the E:\apache-tomcat-8.0.9\webapps\solr\WEB-INF folder and copy the E:\solr-4.9.1\example\ Resources\log4j.properties file to the Classes folder, modify the Log4j.properties file, and modify the value of "Log4j.appender.file.File" to ". /logs/solr.log ";

Figure 1-12 SOLR running successfully in Tomcat

11. Delete the Solr.war file under the E:\apache-tomcat-8.0.9\webapps folder, restart Tomcat, enter the http://localhost:8080 in the browser /SOLR, the interface shown in 1-12 shows that SOLR has been successfully configured in Tomcat;

Iii. Summary of this chapter

through the previous article "LUCENE/SOLR Search engine Development Series-1th chapter SOLR Installation and Deployment (jetty)", we know that the jetty server is SOLR's default server, Just unzip the SOLR, start the jetty server, and enter http://localhost:8983/solr/in the browser to run the SOLR backend.

Why should we be so laborious to configure SOLR in Tomcat? There are several reasons for this:

1, after years of development, the general Enterprise uses Tomcat as the development and deployment environment;

2, the program staff of Tomcat familiarity, than Jetty is much higher, when Tomcat problems, also easy to solve;

3, the majority of Java Web Development video, are based on the development of Tomcat to explain, a wide range of communication;

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LUCENE/SOLR Search Engine Development Series-2nd. SOLR Installation and Deployment (Tomcat chapter)