安裝nodejs
- 下載下傳
wget https://nodejs.org/dist/latest-v8.x/node-v8.11.3-linux-x64.tar.gz
- 解壓
tar -zxvf node-v8.11.3-linux-x64.tar.gz
- 建立軟連結
cd node-v8.11.3-linux-x64/bin sudo ln -s node /usr/local/bin/node sudo ln -s npm /usr/local/bin/npm
- 檢視版本
node -v npm -v
jenkins設定
- 建立job:省略
- 設定pom編譯前執行的指令:
- 進入到工程目錄,npm安裝和webpack
cd jenkins下該項目的workspace npm install node_modules/.bin/webpack
- 進入到工程目錄,npm安裝和webpack
出現錯誤1:
[INFO] --- maven-clean-plugin:2.6.1:clean (default-clean) @ testProject ---
[INFO]
[INFO] --- exec-maven-plugin:1.5.0:exec (npm install (initialize)) @ testProject ---
[ERROR] Command execution failed.
java.io.IOException: Cannot run program "npm" (in directory "/home/jenkins/workspace/testProject"): error=2, No such file or directory
-
解決:
在指令行檢視npm -v就知道真相了。這是nodejs安裝前,或是安裝後沒把指令放到/usr/local/bin時出的錯誤。
出現錯誤2:從jenkins控制台看資訊,執行到npm install就沒有下文了,一直跳舞中。。。
- 解決:進入指令行執行pom編譯前執行的指令,即
# cd jenkins下該項目的workspace # npm install //出現了錯誤4 # node_modules/.bin/webpack 執行後,node_modules檔案夾就出現在工程目錄了。
- 注:
- 不知道根本原因,講道理的話,在jenkins配置執行指令也該好使。
- 第一次在指令行執行後,下次jenkins編譯就不會出這個問題了。
出現錯誤3:釋出成功後,通路url,500錯誤,錯誤資訊截取如下:
javax.servlet.ServletException: java.lang.LinkageError: loader constraint violation: when resolving method "org.apache.jasper.runtime.InstanceManagerFactory.getInstanceManager(Ljavax/servlet/ServletConfig;)Lorg/apache/tomcat/InstanceManager;" the class loader (instance of org/apache/jasper/servlet/JasperLoader) of the current class, org/apache/jsp/WEB_002dINF/jsp/login_jsp, and the class loader (instance of java/net/URLClassLoader) for the method's defining class, org/apache/jasper/runtime/InstanceManagerFactory, have different Class objects for the type org/apache/tomcat/InstanceManager used in the signature
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:358) ~[jasper.jar:8.0.9]
- 原因:外部tomcat的jar包與springboot内置tomcat的jar包沖突導緻
- 解決: pom.xml修改
<dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-tomcat</artifactId> <scope>provided</scope> </dependency>
重新jenkins釋出後,通路正常。
修改pom後,項目下WEB-INF/lib下的jar包沒有了這仨包:tomcat-embed-core-8.5.11.jar, tomcat-embed-el-8.5.11.jar,tomcat-embed-websocket-8.5.11.jar
出現錯誤4:在指令行進入到項目的workspace執行npm install出現如下錯誤
Miscellaneous Warning ETIMEDOUT: request to https://registry.npmjs.org/karma-phantomjs-launcher fail
- 解決:
執行 $ npm config list
; cli configs
metrics-registry = "https://registry.npmjs.org/"
scope = ""
user-agent = "npm/5.6.0 node/v8.11.3 linux x64"
; node bin location = /usr/local/src/node-v8.11.3-linux-x64/bin/node
; cwd = /tmp/phantomjs
; HOME = /home/tomcat
; "npm config ls -l" to show all defaults.
執行 $ npm config set registry http://registry.npmjs.org/
執行 $ npm config list
; cli configs
metrics-registry = "http://registry.npmjs.org/"
scope = ""
user-agent = "npm/5.6.0 node/v8.11.3 linux x64"
; userconfig /home/tomcat/.npmrc
registry = "http://registry.npmjs.org/"
; node bin location = /usr/local/src/node-v8.11.3-linux-x64/bin/node
; cwd = /tmp/phantomjs
; HOME = /home/tomcat
; "npm config ls -l" to show all defaults.