不可解析的父 POM 尽管相对路径设置为现有的父 pom.xml

Question

不可解析的父 POM 尽管相对路径设置为现有的父 pom.xml

我的项目有结构

pom.xml  (parent)
tcp/pom.xml
spark/pom.xml

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模块 xmls 都包含此简介

<parent>
  <groupId>org.myorg</groupId>
  <artifactId>parent</artifactId>
  <version>1.0</version>
  <relativePath>../pom.xml</relativePath>
</parent>

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我也试着留下relativePath空白，或者../或者..甚至不包括它在所有。在所有情况下，结果是：

[ERROR] The build could not read 2 projects -> [Help 1]
[ERROR]
[ERROR]   The project org.myorg:tcpclient:1.0.0 (/git/MYorg/tcp/pom.xml) has 1 error
[ERROR]     Non-resolvable parent POM for org.myorg:tcpclient:1.0.0: 
 Failure to find org.myorg:parent:pom:1.0 in https://repository.apache.org/content/repositories/snapshots was cached in 
   the local repository, resolution will not be reattempted until 
   the update interval of Maven snapshots repository has elapsed or updates 
are forced and 'parent.relativePath' points at wrong local POM @ line 24, 
 column 9 -> [Help 2]

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因此，我可以借助这些多模块构建来帮助起步。

更新以下是输出的最后一部分

mvn clean install -U  -X > out 2>&1


INFO] Error stacktraces are turned on.
[DEBUG] Reading global settings from /usr/local/Cellar/maven/3.3.9/libexec/conf/settings.xml
[DEBUG] Reading user settings from /Users/steve/.m2/settings.xml
[DEBUG] Reading global toolchains from /usr/local/Cellar/maven/3.3.9/libexec/conf/toolchains.xml
[DEBUG] Reading user toolchains from /Users/steve/.m2/toolchains.xml
[DEBUG] Using local repository at /Users/steve/.m2/repository
[DEBUG] Using manager EnhancedLocalRepositoryManager with priority 10.0 for /Users/steve/.m2/repository
[INFO] Scanning for projects...
[DEBUG] Using transporter WagonTransporter with priority -1.0 for https://repository.apache.org/content/repositories/snapshots
[DEBUG] Using connector BasicRepositoryConnector with priority 0.0 for https://repository.apache.org/content/repositories/snapshots
Downloading: https://repository.apache.org/content/repositories/snapshots/org/openchai/parent/1.0/parent-1.0.pom

[DEBUG] Writing tracking file /Users/steve/.m2/repository/org/openchai/parent/1.0/parent-1.0.pom.lastUpdated
[DEBUG] Using transporter WagonTransporter with priority -1.0 for https://repo.maven.apache.org/maven2
[DEBUG] Using connector BasicRepositoryConnector with priority 0.0 for https://repo.maven.apache.org/maven2
Downloading: https://repo.maven.apache.org/maven2/org/openchai/parent/1.0/parent-1.0.pom

[DEBUG] Writing tracking file /Users/steve/.m2/repository/org/openchai/parent/1.0/parent-1.0.pom.lastUpdated
[DEBUG] Skipped remote request for org.openchai:parent:pom:1.0, already updated during this session.
[DEBUG] Extension realms for project org.openchai:parent:pom:1.0.0: (none)
[DEBUG] Looking up lifecyle mappings for packaging pom from ClassRealm[plexus.core, parent: null]
[ERROR] [ERROR] Some problems were encountered while processing the POMs:
[WARNING] 'build.plugins.plugin.(groupId:artifactId)' must be unique but found duplicate declaration of plugin org.apache.maven.plugins:maven-jar-plugin @ line 223, column 21
[FATAL] Non-resolvable parent POM for org.openchai:tcpclient:1.0.0: Could not find artifact org.openchai:parent:pom:1.0 in Maven snapshots repository (https://repository.apache.org/content/repositories/snapshots) and 'parent.relativePath' points at wrong local POM @ line 24, column 9
[FATAL] Non-resolvable parent POM for org.openchai:spark_p2prdd:1.0.0: Failure to find org.openchai:parent:pom:1.0 in https://repo.maven.apache.org/maven2 was cached in the local repository, resolution will not be reattempted until the update interval of central has elapsed or updates are forced and 'parent.relativePath' points at wrong local POM @ line 24, column 10
[WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-install-plugin is missing. @ line 90, column 21
[WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-source-plugin is missing. @ line 168, column 15
 @ 
[ERROR] The build could not read 2 projects -> [Help 1]
org.apache.maven.project.ProjectBuildingException: Some problems were encountered while processing the POMs:
[WARNING] 'build.plugins.plugin.(groupId:artifactId)' must be unique but found duplicate declaration of plugin org.apache.maven.plugins:maven-jar-plugin @ line 223, column 21
[FATAL] Non-resolvable parent POM for org.openchai:tcpclient:1.0.0: Could not find artifact org.openchai:parent:pom:1.0 in Maven snapshots repository (https://repository.apache.org/content/repositories/snapshots) and 'parent.relativePath' points at wrong local POM @ line 24, column 9
[FATAL] Non-resolvable parent POM for org.openchai:spark_p2prdd:1.0.0: Failure to find org.openchai:parent:pom:1.0 in https://repo.maven.apache.org/maven2 was cached in the local repository, resolution will not be reattempted until the update interval of central has elapsed or updates are forced and 'parent.relativePath' points at wrong local POM @ line 24, column 10
[WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-install-plugin is missing. @ line 90, column 21
[WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-source-plugin is missing. @ line 168, column 15

    at org.apache.maven.project.DefaultProjectBuilder.build(DefaultProjectBuilder.java:422)
    at org.apache.maven.graph.DefaultGraphBuilder.collectProjects(DefaultGraphBuilder.java:419)
    at org.apache.maven.graph.DefaultGraphBuilder.getProjectsForMavenReactor(DefaultGraphBuilder.java:410)
    at org.apache.maven.graph.DefaultGraphBuilder.build(DefaultGraphBuilder.java:83)
    at org.apache.maven.DefaultMaven.buildGraph(DefaultMaven.java:491)
    at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:219)
    at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:193)
    at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:106)
    at org.apache.maven.cli.MavenCli.execute(MavenCli.java:863)
    at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:288)
    at org.apache.maven.cli.MavenCli.main(MavenCli.java:199)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
    at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)
    at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)
[ERROR]   
[ERROR]   The project org.openchai:tcpclient:1.0.0 (/git/OCspark/tcp/pom.xml) has 1 error
[ERROR]     Non-resolvable parent POM for org.openchai:tcpclient:1.0.0: Could not find artifact org.openchai:parent:pom:1.0 in Maven snapshots repository (https://repository.apache.org/content/repositories/snapshots) and 'parent.relativePath' points at wrong local POM @ line 24, column 9 -> [Help 2]
org.apache.maven.model.resolution.UnresolvableModelException: Could not find artifact org.openchai:parent:pom:1.0 in Maven snapshots repository (https://repository.apache.org/content/repositories/snapshots)
    at org.apache.maven.project.ProjectModelResolver.resolveModel(ProjectModelResolver.java:197)
    at org.apache.maven.project.ProjectModelResolver.resolveModel(ProjectModelResolver.java:246)
    at org.apache.maven.model.building.DefaultModelBuilder.readParentExternally(DefaultModelBuilder.java:1000)
    at org.apache.maven.model.building.DefaultModelBuilder.readParent(DefaultModelBuilder.java:800)
    at org.apache.maven.model.building.DefaultModelBuilder.build(DefaultModelBuilder.java:329)
    at org.apache.maven.project.DefaultProjectBuilder.build(DefaultProjectBuilder.java:469)
    at org.apache.maven.project.DefaultProjectBuilder.build(DefaultProjectBuilder.java:438)
    at org.apache.maven.project.DefaultProjectBuilder.build(DefaultProjectBuilder.java:555)
    at org.apache.maven.project.DefaultProjectBuilder.build(DefaultProjectBuilder.java:438)
    at org.apache.maven.project.DefaultProjectBuilder.build(DefaultProjectBuilder.java:401)
    at org.apache.maven.graph.DefaultGraphBuilder.collectProjects(DefaultGraphBuilder.java:419)
    at org.apache.maven.graph.DefaultGraphBuilder.getProjectsForMavenReactor(DefaultGraphBuilder.java:410)
    at org.apache.maven.graph.DefaultGraphBuilder.build(DefaultGraphBuilder.java:83)
    at org.apache.maven.DefaultMaven.buildGraph(DefaultMaven.java:491)
    at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:219)
    at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:193)
    at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:106)
    at org.apache.maven.cli.MavenCli.execute(MavenCli.java:863)
    at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:288)
    at org.apache.maven.cli.MavenCli.main(MavenCli.java:199)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
    at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)
    at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)
Caused by: org.eclipse.aether.resolution.ArtifactResolutionException: Could not find artifact org.openchai:parent:pom:1.0 in Maven snapshots repository (https://repository.apache.org/content/repositories/snapshots)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:444)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifacts(DefaultArtifactResolver.java:246)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifact(DefaultArtifactResolver.java:223)
    at org.eclipse.aether.internal.impl.DefaultRepositorySystem.resolveArtifact(DefaultRepositorySystem.java:294)
    at org.apache.maven.project.ProjectModelResolver.resolveModel(ProjectModelResolver.java:193)
    ... 27 more
Caused by: org.eclipse.aether.transfer.ArtifactNotFoundException: Could not find artifact org.openchai:parent:pom:1.0 in Maven snapshots repository (https://repository.apache.org/content/repositories/snapshots)
    at org.eclipse.aether.

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Answer 1

jav*_*dba 6

在要跟踪的细节如此之多的情况下，我犯了以下错误：

父版本被列为1.0. 父 pom.xml 中的实际版本是1.0.0.

我没有概念上的误解：只是关注细节。

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