Eclipse m2e不支持maven依赖插件(目标“复制依赖项”、“解包”)
我有一个相当简单的Maven项目:Eclipse m2e不支持maven依赖插件(目标“复制依赖项”、“解包”),eclipse,maven,m2eclipse,Eclipse,Maven,M2eclipse,我有一个相当简单的Maven项目: ... org.apache.maven.plugins maven依赖插件 2.4 复制依赖项 包裹 复制依赖项 ${project.build.directory}/dependencies 但是,我在m2eclipse中遇到以下错误: Description Resource Path Location Type maven-dependency-plugin (goals "copy-dependencies", "unpack"
...
org.apache.maven.plugins
maven依赖插件
2.4
复制依赖项
包裹
复制依赖项
${project.build.directory}/dependencies
但是,我在m2eclipse中遇到以下错误:
Description Resource Path Location Type
maven-dependency-plugin (goals "copy-dependencies", "unpack") is not supported by m2e. pom.xml /jasperreports-test line 60 Maven Project Build Lifecycle Mapping Problem
如果m2eclipse不“支持”这个任务,我为什么要在意呢?Maven有,这就是我真正关心的。我怎样才能消除项目中的这个错误 这似乎是一个众所周知的问题。您可以指示m2e忽略这一点 选项1:pom.xml 在
标记中添加以下内容:
<pluginManagement>
<plugins>
<!-- Ignore/Execute plugin execution -->
<plugin>
<groupId>org.eclipse.m2e</groupId>
<artifactId>lifecycle-mapping</artifactId>
<version>1.0.0</version>
<configuration>
<lifecycleMappingMetadata>
<pluginExecutions>
<!-- copy-dependency plugin -->
<pluginExecution>
<pluginExecutionFilter>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-dependency-plugin</artifactId>
<versionRange>[1.0.0,)</versionRange>
<goals>
<goal>copy-dependencies</goal>
</goals>
</pluginExecutionFilter>
<action>
<ignore />
</action>
</pluginExecution>
</pluginExecutions>
</lifecycleMappingMetadata>
</configuration>
</plugin>
</plugins></pluginManagement>
org.eclipse.m2e
选项2:全局Eclipse覆盖
为了避免更改POM文件,可以通过Eclipse设置将忽略覆盖应用于整个工作区
将此文件保存在磁盘上的某个位置:
在Eclipse/Preferences/Maven/Lifecycle Mappings中
浏览到此文件并单击OK:
如果复制依赖项、解包、打包等对您的项目很重要,您不应该忽略它。您必须将您的
放在使用Eclipse Indigo SR1、maven 2.2.1测试的
中,这是Eclipse的M2E问题
要解决这个问题,您所要做的就是映射它无法识别的生命周期,并指示M2E执行它
您应该在插件
之后,在构建
中添加此项。这将删除错误并使M2E识别maven dependency plugin
的目标copy dependencies
,并使POM按预期工作,每次Eclipse构建它时都将依赖项复制到文件夹中。如果您只是想忽略错误,那么可以将
更改为
。不需要像前面建议的那样将maven依赖插件
封装到pluginManagement
中
<pluginManagement>
<plugins>
<plugin>
<groupId>org.eclipse.m2e</groupId>
<artifactId>lifecycle-mapping</artifactId>
<version>1.0.0</version>
<configuration>
<lifecycleMappingMetadata>
<pluginExecutions>
<pluginExecution>
<pluginExecutionFilter>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-dependency-plugin</artifactId>
<versionRange>[2.0,)</versionRange>
<goals>
<goal>copy-dependencies</goal>
</goals>
</pluginExecutionFilter>
<action>
<execute />
</action>
</pluginExecution>
</pluginExecutions>
</lifecycleMappingMetadata>
</configuration>
</plugin>
</plugins>
</pluginManagement>
org.eclipse.m2e
生命周期映射
1.0.0
org.apache.maven.plugins
maven依赖插件
[2.0,)
复制依赖项
我知道这是一篇老文章,但我今天也遇到了这个问题,我使用了这个页面上的模板:
我也得到了m2e的错误。尽管上面有Caioton的回答,我还是在开始工作时遇到了问题
经过多次尝试,终于成功了。
我在这里粘贴我的最终版本-希望它将有利于其他人
<build>
<plugins>
<!--
Copy all Maven Dependencies (-MD) into libMD/ folder to use in classpath via shellscript
-->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-dependency-plugin</artifactId>
<version>2.8</version>
<executions>
<execution>
<id>copy</id>
<phase>package</phase>
<goals>
<goal>copy-dependencies</goal>
</goals>
<configuration>
<outputDirectory>${project.build.directory}/libMD</outputDirectory>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
<!--
Above maven-dependepcy-plugin gives a validation error in m2e.
To fix that, add the plugin management step below. Per: http://stackoverflow.com/a/12109018
-->
<pluginManagement>
<plugins>
<plugin>
<groupId>org.eclipse.m2e</groupId>
<artifactId>lifecycle-mapping</artifactId>
<version>1.0.0</version>
<configuration>
<lifecycleMappingMetadata>
<pluginExecutions>
<pluginExecution>
<pluginExecutionFilter>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-dependency-plugin</artifactId>
<versionRange>[2.0,)</versionRange>
<goals>
<goal>copy-dependencies</goal>
</goals>
</pluginExecutionFilter>
<action>
<execute />
</action>
</pluginExecution>
</pluginExecutions>
</lifecycleMappingMetadata>
</configuration>
</plugin>
</plugins>
</pluginManagement>
</build>
org.apache.maven.plugins
maven依赖插件
2.8
复制
包裹
复制依赖项
${project.build.directory}/libMD
org.eclipse.m2e
生命周期映射
1.0.0
org.apache.maven.plugins
maven依赖插件
[2.0,)
复制依赖项
我在eclipse中加载Hadoop项目时遇到了同样的问题。我尝试了上述解决方案,我相信它可能在eclipse Kepler中工作过……甚至不再确定(尝试了太多的东西)
考虑到我遇到的所有问题,我决定继续使用EclipseLuna,而上面的解决方案对我来说并不适用
还有一篇帖子建议将…标记改为package。我开始这样做,它会“清除”错误…然而,我开始认为这些更改稍后会对我产生影响-我不是Maven方面的专家
幸运的是,我发现了如何删除所有错误。转到窗口->首选项->Maven->错误/警告,并将“插件执行未被生命周期覆盖…”选项更改为“忽略”。希望有帮助。另一个选项是导航到“问题”选项卡,右键单击“错误”,然后单击“应用快速修复”。应该为您生成忽略xml代码并应用它的.pom文件。要使其正常工作,而不是忽略它,您可以为maven依赖插件安装m2e连接器:
下面是您在Eclipse中的实现方式:
转到窗口/首选项/Maven/Discovery/
输入目录URL:
单击“打开目录”
选择m2e maven依赖插件
享受
谢谢,它在Eclipse Indigo SR2I中也有帮助。我有点迷路了……这是否意味着要使用代码
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-dependency-plugin</artifactId>
<version>2.4</version>
<executions>
<execution>
<id>copy-dependencies</id>
<phase>package</phase>
<goals>
<goal>copy-dependencies</goal>
</goals>
<configuration>
<outputDirectory>${project.build.directory}/dependencies</outputDirectory>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
<build>
<plugins>
<!--
Copy all Maven Dependencies (-MD) into libMD/ folder to use in classpath via shellscript
-->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-dependency-plugin</artifactId>
<version>2.8</version>
<executions>
<execution>
<id>copy</id>
<phase>package</phase>
<goals>
<goal>copy-dependencies</goal>
</goals>
<configuration>
<outputDirectory>${project.build.directory}/libMD</outputDirectory>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
<!--
Above maven-dependepcy-plugin gives a validation error in m2e.
To fix that, add the plugin management step below. Per: http://stackoverflow.com/a/12109018
-->
<pluginManagement>
<plugins>
<plugin>
<groupId>org.eclipse.m2e</groupId>
<artifactId>lifecycle-mapping</artifactId>
<version>1.0.0</version>
<configuration>
<lifecycleMappingMetadata>
<pluginExecutions>
<pluginExecution>
<pluginExecutionFilter>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-dependency-plugin</artifactId>
<versionRange>[2.0,)</versionRange>
<goals>
<goal>copy-dependencies</goal>
</goals>
</pluginExecutionFilter>
<action>
<execute />
</action>
</pluginExecution>
</pluginExecutions>
</lifecycleMappingMetadata>
</configuration>
</plugin>
</plugins>
</pluginManagement>
</build>