我正在尝试为OpenCMIS构建hello world，我在这里找到了文档:
http://chemistry.apache.org/java/developing/guide.html我是maven的新手，对这个错误有些困惑。还有人遇到过这种情况吗?你的解决办法是什么?下面是尝试构建的完整输出。根据我对文档的理解，这应该是构建和运行hello world。
james@jamesp:~/workspace/chemistry-opencmis-hello$ mvn clean install
[INFO] Scanning for projects...
[INFO] ------------------------------------------------------------------------
[ERROR] FATAL ERROR
[INFO] ------------------------------------------------------------------------
[INFO] Error building POM (may not be this project's POM).
Project ID: org.apache.chemistry.opencmis:chemistry-opencmis-hello:jar:null
Reason: Cannot find parent: org.apache.chemistry.opencmis:chemistry-opencmis for project: org.apache.chemistry.opencmis:chemistry-opencmis-hello:jar:null for project org.apache.chemistry.opencmis:chemistry-opencmis-hello:jar:null
[INFO] ------------------------------------------------------------------------
[INFO] Trace
org.apache.maven.reactor.MavenExecutionException: Cannot find parent: org.apache.chemistry.opencmis:chemistry-opencmis for project: org.apache.chemistry.opencmis:chemistry-opencmis-hello:jar:null for project org.apache.chemistry.opencmis:chemistry-opencmis-hello:jar:null
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.apache.chemistry.opencmis:chemistry-opencmis for project: org.apache.chemistry.opencmis:chemistry-opencmis-hello:jar:null for project org.apache.chemistry.opencmis:chemistry-opencmis-hello:jar:null
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.apache.chemistry.opencmis:chemistry-opencmis' not found in repository: Unable to download the artifact from any repository
org.apache.chemistry.opencmis:chemistry-opencmis:pom:0.5.0-SNAPSHOT
from the specified remote repositories:
central (http://repo1.maven.org/maven2)
for project org.apache.chemistry.opencmis:chemistry-opencmis
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.apache.chemistry.opencmis:chemistry-opencmis:pom:0.5.0-SNAPSHOT
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: < 1 second
[INFO] Finished at: Tue Jul 26 10:05:51 MDT 2011
[INFO] Final Memory: 1M/52M
[INFO] ------------------------------------------------------------------------
pom.xml
<?xml version="1.0" encoding="UTF-8"?>
<!-- Licensed under the Apache License, Version 2.0 (the "License"); you
may not use this file except in compliance with the License. You may obtain
a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless
required by applicable law or agreed to in writing, software distributed
under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES
OR CONDITIONS OF ANY KIND, either express or implied. See the License for
the specific language governing permissions and limitations under the License. -->
<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/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.apache.chemistry.opencmis</groupId>
<artifactId>chemistry-opencmis</artifactId>
<version>0.5.0-SNAPSHOT</version>
<relativePath>../../pom.xml</relativePath>
</parent>
<!-- Project Information -->
<groupId>org.apache.chemistry.opencmis</groupId>
<artifactId>chemistry-opencmis-hello</artifactId>
<name>Apache Chemistry OpenCMIS Hello World Example</name>
<packaging>jar</packaging>
<build>
<plugins>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>1.1.1</version>
<executions>
<execution>
<phase>test</phase>
<goals>
<goal>java</goal>
</goals>
</execution>
</executions>
<configuration>
<mainClass>org.apache.chemistry.opencmis.doc.Hello</mainClass>
</configuration>
</plugin>
</plugins>
</build>
<dependencies>
<dependency>
<groupId>${project.groupId}</groupId>
<artifactId>chemistry-opencmis-client-impl</artifactId>
<version>${project.version}</version>
</dependency>
</dependencies>
</project>
正如@Gagravarr指出的那样，0.5-SNAPSHOT版本的chemistry- openmis在maven中心不可用，因此出现了错误。您应该尝试使用0.4.0版本