问将jar添加到人工.m2/资源库不包含jar文件后，maven构建失败

EN

<dependency>
  <groupId>jasperreports-htmlcomponent</groupId>
  <artifactId>jasperreports-htmlcomponent</artifactId>
            <version>5.0.1</version>
        </dependency>

        <dependency>
            <groupId>net.sf.jasperreports</groupId>
            <artifactId>jasperreports</artifactId>
            <!--version>5.1.0</version-->
            <version>5.0.1</version>
            <exclusions>
                <exclusion>
                    <groupId>xml-apis</groupId>
                    <artifactId>xml-apis</artifactId>
                </exclusion>
                <exclusion>
                    <artifactId>commons-collections</artifactId>
                    <groupId>commons-collections</groupId>
                </exclusion>
            </exclusions>
        </dependency>

[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 9.864 s
[INFO] Finished at: 2014-08-25T15:51:47-05:00
[INFO] Final Memory: 16M/243M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.grails:grails-maven-plugin:2.3.4:run-app (default-cli) on project MPF-SalesQuote: Failed to create classpath for Grails execution. Could not transfer artifact com.lowagie:itext:jar:2.1.7.js1 from/to metasystems-snapshots (http://javaguru.metasystems.com:8081/artifactory/metasystems-snapshot): Failed to transfer file: http://javaguru.metasystems.com:8081/artifactory/metasystems-snapshot/com/lowagie/itext/2.1.7.js1/itext-2.1.7.js1.jar. Return code is: 409, ReasonPhrase: The repository 'metasystems-snapshot' rejected the artifact 'metasystems-snapshot:com/lowagie/itext/2.1.7.js1/itext-2.1.7.js1.jar' due to its snapshot/release handling policy..
[ERROR] com.lowagie:itext:jar:2.1.7.js1
[ERROR] 
[ERROR] from the specified remote repositories:
[ERROR] metasystems-snapshots (http://javaguru.metasystems.com:8081/artifactory/metasystems-snapshot, releases=true, snapshots=true),
[ERROR] metasystems-release (http://javaguru.metasystems.com:8081/artifactory/metasystems-release, releases=true, snapshots=true),
[ERROR] local-releases (http://javaguru.metasystems.com:8081/artifactory/libs-release-local, releases=true, snapshots=true),
[ERROR] grails (http://repo.grails.org/grails/core, releases=true, snapshots=true),
[ERROR] grails-plugins (http://repo.grails.org/grails/plugins, releases=true, snapshots=true),
[ERROR] Metasystems Inc. (http://javaguru.metasystems.com:8081/artifactory/libs-release-local, releases=true, snapshots=true),
[ERROR] central-mirror (http://javaguru.metasystems.com:8081/artifactory/remote-repos, releases=true, snapshots=false)
[ERROR] Path to dependency:
[ERROR] 1) com.metasystems:MPF-SalesQuote:grails-app:1.0-SNAPSHOT
[ERROR] 2) net.sf.jasperreports:jasperreports:jar:5.0.1
[ERROR] 3) com.lowagie:itext:jar:2.1.7.js1
[ERROR] -> [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/MojoEx