关于eclipse：pom.xml在包含log4j依赖项时显示了多个错误

pom.xml shows multiple errors on including log4j dependency

我刚刚创建了一个新的Java项目，并将其配置为Eclipse中的" Maven项目"。 pom.xml文件是自动生成的。现在没有错误。我已经在自动生成的pom.xml文件中添加了log4j依赖关系，它显示了pom.xml文件下方显示的一些错误。

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<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>Log4JPactice</groupId>
Log4JPactice</artifactId>
<version>0.0.1-SNAPSHOT</version>

<build>
<sourceDirectory>src</sourceDirectory>
<plugins>
<plugin>
maven-compiler-plugin</artifactId>
<version>3.1</version>
<configuration>
<source>1.7</source>
<target>1.7</target>
</configuration>
</plugin>
</plugins>
</build>

<dependencies>
<dependency>
<groupId>log4j</groupId>
log4j</artifactId>
<version>1.2.15</version>
</dependency>
</dependencies>
</project>

错误：

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Multiple annotations found at this line:
- Missing artifact javax.jms:jms:jar:1.1
- ArtifactTransferException: Failure to transfer com.sun.jdmk:jmxtools:jar:1.2.1 from https://maven-repository.dev.java.net/nonav/repository was cached in the local repository, resolution will not be reattempted until the update interval of java.net has elapsed or
updates are forced. Original error: Could not transfer artifact com.sun.jdmk:jmxtools:jar:1.2.1 from/to java.net (https://maven-repository.dev.java.net/nonav/repository): No connector available to access repository java.net (https://maven-repository.dev.java.net/nonav/
repository) of type legacy using the available factories AsyncRepositoryConnectorFactory, WagonRepositoryConnectorFactory
- ArtifactTransferException: Failure to transfer javax.jms:jms:jar:1.1 from https://maven-repository.dev.java.net/nonav/repository was cached in the local repository, resolution will not be reattempted until the update interval of java.net has elapsed or updates are
forced. Original error: Could not transfer artifact javax.jms:jms:jar:1.1 from/to java.net (https://maven-repository.dev.java.net/nonav/repository): No connector available to access repository java.net (https://maven-repository.dev.java.net/nonav/repository) of type legacy using
the available factories AsyncRepositoryConnectorFactory, WagonRepositoryConnectorFactory
- ArtifactTransferException: Failure to transfer com.sun.jmx:jmxri:jar:1.2.1 from https://maven-repository.dev.java.net/nonav/repository was cached in the local repository, resolution will not be reattempted until the update interval of java.net has elapsed or updates
are forced. Original error: Could not transfer artifact com.sun.jmx:jmxri:jar:1.2.1 from/to java.net (https://maven-repository.dev.java.net/nonav/repository): No connector available to access repository java.net (https://maven-repository.dev.java.net/nonav/repository) of type
legacy using the available factories AsyncRepositoryConnectorFactory, WagonRepositoryConnectorFactory
- Missing artifact com.sun.jdmk:jmxtools:jar:1.2.1
- Missing artifact com.sun.jmx:jmxri:jar:1.2.1

使用的Eclipse：Eclipse Juno

对这个错误有任何想法吗？

更新：
从命令行运行mvn install时，出现以下错误：

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Failed to execute goal on project Log4JPactice: Could not resolve dependencies for project Failed to execute goal on project Log4JPactice: Could not resolve dependencies
for project Log4JPactice:Log4JPactice:jar:0.0.1-SNAPSHOT:
The following artifacts could not be resolved: javax.jms:jms:jar:1.1,
com.sun.jdmk:jmxtools:jar:1.2.1, com.sun.jmx:jmxri:jar:1.2.1:
Could not transfer artifact javax.jms:jms:jar:1.1 from/to java.net (https://maven-repository.dev.java.net/nonav/repository):
No connector available to access repository
java.net (https://maven-repository.dev.java.net/nonav/repository) of type legacy
using the available factories AsyncRepositoryConnectorFactory, WagonRepositoryConnectorFactory -> [Help 1]

您可以排除那些依赖项，因为您可能不需要它们

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<dependency>
<groupId>log4j</groupId>
log4j</artifactId>
<version>1.2.15</version>
<exclusions>
<exclusion>
<groupId>com.sun.jdmk</groupId>
jmxtools</artifactId>
</exclusion>
<exclusion>
<groupId>com.sun.jmx</groupId>
jmxri</artifactId>
</exclusion>
<exclusion>
<groupId>javax.jms</groupId>
jms</artifactId>
</exclusion>
</exclusions>
</dependency>