IDEA是否会嫌导jar包麻烦吗???赶快来学习maven吧,冲冲冲
文章目錄
- maven功能
- 配置maven
- mvn compile 如下報錯:
- 解決方案:
- 十分感謝坤爺幫助
- 修改本地倉庫
- maven的配置文件
- 修改local_repository指定你的目錄(不要使用中文目錄)
- 倉庫
- 倉庫的定義
- 倉庫的分類
- 倉庫的使用
- IDEA中設置maven
- 配置入口
- maven項(配置當前工程的設置)
- Maven/Runner
- maven項(配置以后新建工程的設置)
- 使用模版創建項目
- 報錯解決
- 報錯1
- 報錯2
- 刪除導入的jar包和modules
maven功能
配置maven
執行mvn compile ,結果是在項目的根目錄下生成target目錄(結果目錄),maven編譯的java程序,最后的class文件都放在target目錄中
默認倉庫:
C:\Users\ASUS\.m2\repository
注意,執行java命令,必須在相應的包名文件路徑之前
mvn compile 如下報錯:
解決方案:
打開pom.xml的文件,在project標簽中加上如下代碼:
<properties><project.build.sourceEncoding>UTF-8</project.build.sourceEncoding><maven.compiler.source>10</maven.compiler.source><maven.compiler.target>10</maven.compiler.target> </properties>這里的10需要換成對應jdk版本,直接java -version
如下這種,把10全部換成1.8即可
十分感謝坤爺幫助
修改本地倉庫
maven的配置文件
maven安裝目錄/conf/settings.xml,先備份
修改local_repository指定你的目錄(不要使用中文目錄)
把注釋內標簽移動到下面,修改標簽內容即可
D:\apache-maven-3.6.3-bin\maven_repository倉庫
倉庫的定義
倉庫的分類
倉庫的使用
maven倉庫的使用不需要人為參與
開發人員需要使用mysql驅動—>maven首先查本地倉庫—>私服—>鏡像—>中央倉庫
IDEA中設置maven
配置入口
maven項(配置當前工程的設置)
配置的入口 ①:配置當前工程的設置,file--settings ---Build, Excution,Deployment--Build Tools --Maven
改之前:
User Settings File : 就是maven安裝目錄conf/setting.xml配置文件
Local Repository : 本機倉庫的目錄位置
改之后:
Maven/Runner
maven項目創建時,會聯網下載模版文件, 比較大, VM Options使用-DarchetypeCatalog=internal,不用下載, 創建maven項目速度快。(新版本的idea用-DarchetypeCatalog=internal,版本較低的用archetypeCatalog=internal)
maven項(配置以后新建工程的設置)
配置以后新建工程的設置,file--other settings--Settings for New Project
使用模版創建項目
然后點擊Enable-Auto-Import
報錯解決
報錯1
maven自動導入依賴失敗
這個報錯是屬于maven版本問題,不兼容,回退到3.6.1重新安裝配置問題解決
報錯2
2019-09-24 15:54:53,177 [79997751] ERROR - #org.jetbrains.idea.maven - IntelliJ IDEA 2018.3 Build #IU-183.4284.148 2019-09-24 15:54:53,177 [79997751] ERROR - #org.jetbrains.idea.maven - JDK: 1.8.0_152-release; VM: OpenJDK 64-Bit Server VM; Vendor: JetBrains s.r.o 2019-09-24 15:54:53,177 [79997751] ERROR - #org.jetbrains.idea.maven - OS: Windows 10 2019-09-24 15:54:54,060 [79998634] INFO - .diagnostic.PerformanceWatcher - Reindexing refreshed files took 1279ms; general responsiveness: ok; EDT responsiveness: ok 2019-09-24 15:54:54,187 [79998761] INFO - g.FileBasedIndexProjectHandler - Reindexing refreshed files: 0 to update, calculated in 0ms 2019-09-24 15:55:31,582 [80036156] ERROR - .httpclient.HttpMethodDirector - Received redirect response 302 but no location header 2019-09-24 16:02:39,691 [80464265] ERROR - .httpclient.HttpMethodDirector - Received redirect response 302 but no location header 2019-09-24 16:02:44,386 [80468960] ERROR - .httpclient.HttpMethodDirector - Received redirect response 302 but no location header 2019-09-24 16:03:24,203 [80508777] ERROR - .httpclient.HttpMethodDirector - Received redirect response 302 but no location header 2019-09-24 16:03:31,740 [80516314] ERROR - .httpclient.HttpMethodDirector - Received redirect response 302 but no location header 2019-09-24 16:05:31,587 [80636161] ERROR - .httpclient.HttpMethodDirector - Received redirect response 302 but no location header 2019-09-24 16:12:39,637 [81064211] ERROR - .httpclient.HttpMethodDirector - Received redirect response 302 but no location header 2019-09-24 16:12:44,454 [81069028] ERROR - .httpclient.HttpMethodDirector - Received redirect response 302 but no location header 2019-09-24 16:13:24,083 [81108657] ERROR - .httpclient.HttpMethodDirector - Received redirect response 302 but no location header 2019-09-24 16:13:31,845 [81116419] ERROR - .httpclient.HttpMethodDirector - Received redirect response 302 but no location header 2019-09-24 16:15:31,596 [81236170] ERROR - .httpclient.HttpMethodDirector - Received redirect response 302 but no location header 2019-09-24 16:22:39,644 [81664218] ERROR - .httpclient.HttpMethodDirector - Received redirect response 302 but no location header 2019-09-24 16:22:44,358 [81668932] ERROR - .httpclient.HttpMethodDirector - Received redirect response 302 but no location header 2019-09-24 16:23:24,097 [81708671] ERROR - .httpclient.HttpMethodDirector - Received redirect response 302 but no location header 2019-09-24 16:23:31,756 [81716330] ERROR - .httpclient.HttpMethodDirector - Received redirect response 302 but no location header 2019-09-24 16:24:34,611 [81779185] INFO - atisticsWhiteListGroupsService - Request failed with status code 404 com.intellij.util.io.HttpRequests$HttpStatusException: Request failed with status code 404. Status=404, Url=https://download.jetbrains.com/fus/whitelist/bear/groups/IU.jsonat com.intellij.util.io.HttpRequests.throwHttpStatusError(HttpRequests.java:643)at com.intellij.util.io.HttpRequests.openConnection(HttpRequests.java:624)at com.intellij.util.io.HttpRequests.access$300(HttpRequests.java:59)at com.intellij.util.io.HttpRequests$RequestImpl.getConnection(HttpRequests.java:378)at com.intellij.util.io.HttpRequests$RequestImpl.getInputStream(HttpRequests.java:387)at com.intellij.util.io.HttpRequests$RequestImpl.readString(HttpRequests.java:442)at com.intellij.util.io.RequestBuilder.lambda$readString$3(RequestBuilder.java:85)at com.intellij.util.io.HttpRequests.doProcess(HttpRequests.java:523)at com.intellij.util.io.HttpRequests.process(HttpRequests.java:499)at com.intellij.util.io.HttpRequests.access$100(HttpRequests.java:59)at com.intellij.util.io.HttpRequests$RequestBuilderImpl.connect(HttpRequests.java:352)at com.intellij.util.io.RequestBuilder.readString(RequestBuilder.java:85)at com.intellij.internal.statistic.service.fus.FUStatisticsWhiteListGroupsService.getApprovedGroups(FUStatisticsWhiteListGroupsService.java:46)at com.intellij.internal.statistic.service.fus.FUStatisticsSettingsService.getApprovedGroups(FUStatisticsSettingsService.java:43)at com.intellij.internal.statistic.service.fus.collectors.FUStatisticsPersistence.persistProjectUsages(FUStatisticsPersistence.java:49)at com.intellij.internal.statistic.updater.StatisticsJobsScheduler$2.lambda$projectOpened$0(StatisticsJobsScheduler.java:110)at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)at com.intellij.util.concurrency.SchedulingWrapper$MyScheduledFutureTask.run(SchedulingWrapper.java:230)at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)at java.lang.Thread.run(Thread.java:745)修改 MAVEN的 Importing和Runner的JDK一致:
刪除導入的jar包和modules
右上角
點擊減號即可
總結
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