Maven 2 基本Maven帮助——Can';不编译
我在努力自学Maven。我买了一本书。我在看第一个例子,但似乎无法让它发挥作用。我尝试键入“mvn编译”,但失败了。我添加了pom.xml文件和输出。你能给我指出正确的方向来编译这个吗。对于pom.xml的格式设置,很抱歉。我不知道如何让xml正确显示。谢谢Maven 2 基本Maven帮助——Can';不编译,maven-2,maven,Maven 2,Maven,我在努力自学Maven。我买了一本书。我在看第一个例子,但似乎无法让它发挥作用。我尝试键入“mvn编译”,但失败了。我添加了pom.xml文件和输出。你能给我指出正确的方向来编译这个吗。对于pom.xml的格式设置,很抱歉。我不知道如何让xml正确显示。谢谢 4.0.0 org.begininge6.book 第二章 2 第02章-少年警讯 org.begininge6.book 章 2 org.eclipse.persistence javax.persistence ${javax.pe
4.0.0
org.begininge6.book
第二章
2
第02章-少年警讯
org.begininge6.book
章
2
org.eclipse.persistence
javax.persistence
${javax.persistence version}
假如
org.eclipse.persistence
日食
${eclipselink版本}
假如
org.apache.derby
德比客户机
${derby version}
org.apache.derby
德比
${derby version}
dan@desktop:~/Documents/beging_Java_EE_6_with_GlassFish_3_Second_Edition-4636/chapter02$mvn compile
[信息]正在扫描项目。。。
下载:http://repo1.maven.org/maven2/org/beginningee6/book/chapters/2.0/chapters-2.0.pom
[信息]在repository central中找不到资源“org.begininge6.book:chapters:pom:2.0”(http://repo1.maven.org/maven2)
[信息]------------------------------------------------------------------------
[错误]致命错误
[信息]------------------------------------------------------------------------
[INFO]生成POM时出错(可能不是此项目的POM)。
项目ID:org.begininge6.book:chapter02:jar:2.0
原因:找不到父级:org.beginingee6.book:chapters for project:org.beginingee6.book:chapter02:jar:2.0 for project org.beginingee6.book:chapter02:jar:2.0
[信息]------------------------------------------------------------------------
[信息]跟踪
org.apache.maven.reactor.MavenExecutionException:找不到父项:org.begininge6.book:chapters for project:org.begininge6.book:chapter02:jar:2.0 for project org.begininge6.book:chapter02:jar:2.0
位于org.apache.maven.DefaultMaven.getProjects(DefaultMaven.java:404)
在org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:272)
位于org.apache.maven.DefaultMaven.execute(DefaultMaven.java:138)
位于org.apache.maven.cli.MavenCli.main(MavenCli.java:362)
位于org.apache.maven.cli.compat.CompatibleMain.main(CompatibleMain.java:60)
在sun.reflect.NativeMethodAccessorImpl.invoke0(本机方法)处
在sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)中
在sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)中
位于java.lang.reflect.Method.invoke(Method.java:616)
位于org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
位于org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
位于org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
位于org.codehaus.classworlds.Launcher.main(Launcher.java:375)
原因:org.apache.maven.project.ProjectBuildingException:找不到父项:org.begininge6.book:project的章节:org.begininge6.book:chapter02:jar:2.0 for project org.begininge6.book:chapter02:jar:2.0
位于org.apache.maven.project.DefaultMavenProjectBuilder.assembleLineage(DefaultMavenProjectBuilder.java:1396)
位于org.apache.maven.project.DefaultMavenProjectBuilder.buildInternal(DefaultMavenProjectBuilder.java:823)
位于org.apache.maven.project.DefaultMavenProjectBuilder.buildFromSourceFileInternal(DefaultMavenProjectBuilder.java:508)
位于org.apache.maven.project.DefaultMavenProjectBuilder.build(DefaultMavenProjectBuilder.java:200)
位于org.apache.maven.DefaultMaven.getProject(DefaultMaven.java:604)
位于org.apache.maven.DefaultMaven.collectProjects(DefaultMaven.java:487)
位于org.apache.maven.DefaultMaven.getProjects(DefaultMaven.java:391)
... 还有12个
原因:org.apache.maven.project.ProjectBuildingException:POM'org.begininge6.book:chapters'未在存储库中找到:无法从任何存储库下载工件
org.begininge6.book:chapters:pom:2.0
从指定的远程存储库:
中央的(http://repo1.maven.org/maven2)
对于project org.begininge6.book:章节
位于org.apache.maven.project.DefaultMavenProjectBuilder.findModelFromRepository(DefaultMavenProjectBuilder.java:605)
位于org.apache.maven.project.DefaultMavenProjectBuilder.assembleLineage(DefaultMavenProjectBuilder.java:1392)
... 还有18个
原因:org.apache.maven.artifact.resolver.ArtifactNotFoundException:无法从任何存储库下载工件
org.begininge6.book:chapters:pom:2.0
从指定的远程存储库:
中央的(http://repo1.maven.org/maven2)
位于org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:228)
位于org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:90)
位于org.apache.maven.project.DefaultMavenProjectBuilder.findModelFromRepository(DefaultMavenProjectBuilder.java:558)
... 还有19个
原因:org.apache.maven.wagen.ResourceDoesNotExistException:无法从任何存储库下载工件
位于org.apache.maven.artifact.manager.DefaultWagonManager.getArtifact(DefaultWagonManager.java:404)
位于org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:216)
... 还有21个
[信息]------------------------------------------------------------------------
[信息]总时间:
正如本书作者所提到的: 您能否尝试使用最新版本的代码
(book at)标记中引用的org.beginingee6.book.chapters的pom文件显然在本地存储库中丢失。这真的是书中显示的第一个pom文件吗?是的,这是我遇到的第一个示例。我没有修改任何东西。所有源代码都直接来自供应商。我添加了一个到源的链接。是我吗
<xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>org.beginningee6.book</groupId>
<artifactId>chapter02</artifactId>
<version>2.0</version>
<name>Chapter 02 - JPA</name>
<parent>
<groupId>org.beginningee6.book</groupId>
<artifactId>chapters</artifactId>
<version>2.0</version>
</parent>
<dependencies>
<dependency>
<groupId>org.eclipse.persistence</groupId>
<artifactId>javax.persistence</artifactId>
<version>${javax.persistence-version}</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.eclipse.persistence</groupId>
<artifactId>eclipselink</artifactId>
<version>${eclipselink-version}</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.apache.derby</groupId>
<artifactId>derbyclient</artifactId>
<version>${derby-version}</version>
</dependency>
<dependency>
<groupId>org.apache.derby</groupId>
<artifactId>derby</artifactId>
<version>${derby-version}</version>
<!--<scope>test</scope>-->
</dependency>
</dependencies>
dan@desktop:~/Documents/Beginning_Java_EE_6_with_GlassFish_3_Second_Edition-4636/chapter02$ mvn compile
[INFO] Scanning for projects...
Downloading: http://repo1.maven.org/maven2/org/beginningee6/book/chapters/2.0/chapters-2.0.pom
[INFO] Unable to find resource 'org.beginningee6.book:chapters:pom:2.0' in repository central (http://repo1.maven.org/maven2)
[INFO] ------------------------------------------------------------------------
[ERROR] FATAL ERROR
[INFO] ------------------------------------------------------------------------
[INFO] Error building POM (may not be this project's POM).
Project ID: org.beginningee6.book:chapter02:jar:2.0
Reason: Cannot find parent: org.beginningee6.book:chapters for project: org.beginningee6.book:chapter02:jar:2.0 for project org.beginningee6.book:chapter02:jar:2.0
[INFO] ------------------------------------------------------------------------
[INFO] Trace
org.apache.maven.reactor.MavenExecutionException: Cannot find parent: org.beginningee6.book:chapters for project: org.beginningee6.book:chapter02:jar:2.0 for project org.beginningee6.book:chapter02:jar:2.0
at org.apache.maven.DefaultMaven.getProjects(DefaultMaven.java:404)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:272)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:138)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:362)
at org.apache.maven.cli.compat.CompatibleMain.main(CompatibleMain.java:60)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:616)
at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
Caused by: org.apache.maven.project.ProjectBuildingException: Cannot find parent: org.beginningee6.book:chapters for project: org.beginningee6.book:chapter02:jar:2.0 for project org.beginningee6.book:chapter02:jar:2.0
at org.apache.maven.project.DefaultMavenProjectBuilder.assembleLineage(DefaultMavenProjectBuilder.java:1396)
at org.apache.maven.project.DefaultMavenProjectBuilder.buildInternal(DefaultMavenProjectBuilder.java:823)
at org.apache.maven.project.DefaultMavenProjectBuilder.buildFromSourceFileInternal(DefaultMavenProjectBuilder.java:508)
at org.apache.maven.project.DefaultMavenProjectBuilder.build(DefaultMavenProjectBuilder.java:200)
at org.apache.maven.DefaultMaven.getProject(DefaultMaven.java:604)
at org.apache.maven.DefaultMaven.collectProjects(DefaultMaven.java:487)
at org.apache.maven.DefaultMaven.getProjects(DefaultMaven.java:391)
... 12 more
Caused by: org.apache.maven.project.ProjectBuildingException: POM 'org.beginningee6.book:chapters' not found in repository: Unable to download the artifact from any repository
org.beginningee6.book:chapters:pom:2.0
from the specified remote repositories:
central (http://repo1.maven.org/maven2)
for project org.beginningee6.book:chapters
at org.apache.maven.project.DefaultMavenProjectBuilder.findModelFromRepository(DefaultMavenProjectBuilder.java:605)
at org.apache.maven.project.DefaultMavenProjectBuilder.assembleLineage(DefaultMavenProjectBuilder.java:1392)
... 18 more
Caused by: org.apache.maven.artifact.resolver.ArtifactNotFoundException: Unable to download the artifact from any repository
org.beginningee6.book:chapters:pom:2.0
from the specified remote repositories:
central (http://repo1.maven.org/maven2)
at org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:228)
at org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:90)
at org.apache.maven.project.DefaultMavenProjectBuilder.findModelFromRepository(DefaultMavenProjectBuilder.java:558)
... 19 more
Caused by: org.apache.maven.wagon.ResourceDoesNotExistException: Unable to download the artifact from any repository
at org.apache.maven.artifact.manager.DefaultWagonManager.getArtifact(DefaultWagonManager.java:404)
at org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:216)
... 21 more
[INFO] ------------------------------------------------------------------------
[INFO] Total time: