我的 pom.xml 如下：
<?xml version="1.0" encoding="UTF-8"?>
<project
xsi:schemaLocation=
"http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
xmlns=
"http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<modelVersion>4.0.0</modelVersion>
<groupId>com.pw</groupId>
<artifactId>pocketwaitress-android</artifactId>
<name>PocketWaitress Android</name>
<packaging>apk</packaging>
<version>1.0</version>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
<repositories>
<repository>
<id>org.springframework.maven.snapshot</id>
<name>Spring Maven Snapshot Repository</name>
<url>http://maven.springframework.org/snapshot</url>
<releases>
<enabled>false</enabled>
</releases>
<snapshots>
<enabled>true</enabled>
</snapshots>
</repository><!-- For developing against latest Spring milestones -->
<repository>
<id>org.springframework.maven.milestone</id>
<name>Spring Maven Milestone Repository</name>
<url>http://maven.springframework.org/milestone</url>
<snapshots>
<enabled>false</enabled>
</snapshots>
</repository>
<repository>
<id>central</id>
<name>Maven Repository Switchboard</name>
<layout>default</layout>
<url>http://repo1.maven.org/maven2</url>
<snapshots>
<enabled>false</enabled>
</snapshots>
</repository>
</repositories>
<build>
<sourceDirectory>src</sourceDirectory>
<finalName>${project.artifactId}</finalName>
<plugins>
<plugin>
<groupId>com.jayway.maven.plugins.android.generation2</groupId>
<artifactId>android-maven-plugin</artifactId>
<version>3.3.2</version>
<configuration>
<sdk>
<platform>7</platform>
<path>D:/WorkFolder/Android-SDK2</path>
</sdk>
<emulator>
<avd>WVGA-2.1</avd>
</emulator>
<deleteConflictingFiles>true</deleteConflictingFiles>
<undeployBeforeDeploy>false</undeployBeforeDeploy>
</configuration>
<extensions>true</extensions>
</plugin>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>2.3.2</version>
</plugin>
</plugins>
</build>
<dependencies>
<dependency>
<groupId>com.google.android</groupId>
<artifactId>android</artifactId>
<version>2.1.2</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.springframework.android</groupId>
<artifactId>spring-android-rest-template</artifactId>
<version>1.0.0.BUILD-SNAPSHOT</version>
</dependency>
<dependency>
<groupId>com.pw</groupId>
<artifactId>model</artifactId>
<version>1.0.0</version>
</dependency>
<dependency>
<groupId>org.codehouse.jackson</groupId>
<artifactId>jackson-core-asl</artifactId>
<version>1.9.9</version>
</dependency>
<dependency>
<groupId>org.codehouse.jackson</groupId>
<artifactId>jackson-mapper-asl</artifactId>
<version>1.9.9</version>
</dependency>
</dependencies>
最新的插件是 Jackson 依赖项。
部署的输出是：
SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".
SLF4J: Defaulting to no-operation (NOP) logger implementation
SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details.
[INFO] Scanning for projects...
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building PocketWaitress Android 1.0
[INFO] ------------------------------------------------------------------------
Downloading: http://repo1.maven.org/maven2/org/codehouse/jackson/jackson-core-asl/1.9.9/jackson-core-asl-1.9.9.pom
[WARNING] The POM for org.codehouse.jackson:jackson-core-asl:jar:1.9.9 is missing, no dependency information available
Downloading: http://repo1.maven.org/maven2/org/codehouse/jackson/jackson-mapper-asl/1.9.9/jackson-mapper-asl-1.9.9.pom
[WARNING] The POM for org.codehouse.jackson:jackson-mapper-asl:jar:1.9.9 is missing, no dependency information available
Downloading: http://repo1.maven.org/maven2/org/codehouse/jackson/jackson-core-asl/1.9.9/jackson-core-asl-1.9.9.jar
Downloading: http://repo1.maven.org/maven2/org/codehouse/jackson/jackson-mapper-asl/1.9.9/jackson-mapper-asl-1.9.9.jar
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Skipping PocketWaitress Android
[INFO] This project has been banned from the build due to previous failures.
[INFO] ------------------------------------------------------------------------
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 3.313s
[INFO] Finished at: Wed Sep 12 12:50:48 CEST 2012
[INFO] Final Memory: 20M/174M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal on project pocketwaitress-android: Could not resolve dependencies for project com.pw:pocketwaitress-android:apk:1.0: The following artifacts could not be resolved: org.codehouse.jackson:jackson-core-asl:jar:1.9.9, org.codehouse.jackson:jackson-mapper-asl:jar:1.9.9: Failure to find org.codehouse.jackson:jackson-core-asl:jar:1.9.9 in http://maven.springframework.org/milestone was cached in the local repository, resolution will not be reattempted until the update interval of org.springframework.maven.milestone has elapsed or updates are forced -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/DependencyResolutionException
显然，maven 设法从中央 maven 存储库下载 jackson 依赖项，但随后它也尝试从http://maven.springframework.org/milestone下载它们！这是为什么？我是否需要以某种方式定义从哪个 repo 获取哪些依赖项？没有意义...