错误：版本字符串'$ {noSnapshotVersion}'无效

我下面杰夫波茨的教程中，我坚持上时，我特林开始回购项目来测试新的共享方面和类型的命令（第二部分在这里）

mvn integration-test -Pamp-to-war

这是输出：

[INFO] Scanning for projects...
[INFO] ------------------------------------------------------------------------
[INFO] Building content-tutorial-repo AMP project
[INFO] task-segment: [integration-test]
[INFO] ------------------------------------------------------------------------
[INFO] [alfresco:set-version {execution: default-set-version}]
[INFO] Removed -SNAPSHOT suffix from version - 1.0
[INFO] Added timestamp to version - 1.0.1406090928
[INFO] [build-helper:add-test-resource {execution: add-env-test-properties}]
[INFO] [resources:resources {execution: default-resources}]
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] skip non existing resourceDirectory /home/mattia/workspace/AlfrescoTutorial/content-tutorial-repo/src/main/resources
[INFO] Copying 10 resources to ../content-tutorial-repo
[INFO] [compiler:compile {execution: default-compile}]
[INFO] Nothing to compile - all classes are up to date
[INFO] [resources:testResources {execution: default-testResources}]
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 1 resource
[INFO] Copying 1 resource
[INFO] [resources:copy-resources {execution: prepare-amp-testing-classpath}]
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 4 resources
[INFO] [compiler:testCompile {execution: default-testCompile}]
[INFO] Nothing to compile - all classes are up to date
[INFO] [surefire:test {execution: default-test}]
[INFO] Tests are skipped.
[INFO] [dependency:unpack {execution: unpack-alfresco}]
[INFO] Configured Artifact: org.alfresco:alfresco:4.2.e:war
[INFO] alfresco-4.2.e.war already unpacked.
[INFO] [resources:copy-resources {execution: copy-alfresco-test-resources}]
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] skip non existing resourceDirectory /home/xxx/workspace/AlfrescoTutorial/content-tutorial-repo/src/test/webapp
[INFO] Copying 7 resources to WEB-INF/classes
[INFO] Copying 1 resource to WEB-INF/classes
[INFO] [resources:copy-resources {execution: copy-tomcat-resources}]
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 1 resource to WEB-INF
[INFO] [alfresco:amp {execution: default-amp}]
[INFO] Building jar: /home/mattia/workspace/AlfrescoTutorial/content-tutorial-    repo/target/content-tutorial-repo/lib/content-tutorial-repo.jar
[INFO] Adding directory to AMP package [ '/home/mattia/workspace/AlfrescoTutorial/content-tutorial-repo/target/content-tutorial-repo' '']
[INFO] Building amp: /home/mattia/workspace/AlfrescoTutorial/content-tutorial-repo/target/content-tutorial-repo.amp
[INFO] [alfresco:install {execution: amps-to-war-overlay}]
[INFO] ------------------------------------------------------------------------
[ERROR] FATAL ERROR
[INFO] ------------------------------------------------------------------------
[INFO] 05090000 The version string '${noSnapshotVersion}' is invalid.
[INFO] ------------------------------------------------------------------------
[INFO] Trace
org.alfresco.error.AlfrescoRuntimeException: 05090000 The version string  
'${noSnapshotVersion}' is invalid.
at org.alfresco.util.VersionNumber.(VersionNumber.java:80)
at org.alfresco.repo.module.ModuleDetailsImpl.(ModuleDetailsImpl.java:137)
at org.alfresco.repo.module.tool.ModuleDetailsHelper.
    createModuleDetailsFromPropertiesStream(ModuleDetailsHelper.java:53)
at  org.alfresco.repo.module.tool.ModuleDetailsHelper.
    createModuleDetailsFromPropertyLocation(ModuleDetailsHelper.java:83)
at org.alfresco.repo.module.tool.ModuleManagementTool.
    installModule(ModuleManagementTool.java:227)
at org.alfresco.maven.plugin.InstallMojo.execute(InstallMojo.java:110)
at org.apache.maven.plugin.DefaultPluginManager.
    executeMojo(DefaultPluginManager.java:490)
at org.apache.maven.lifecycle.DefaultLifecycleExecutor.
    executeGoals(DefaultLifecycleExecutor.java:694)
at org.apache.maven.lifecycle.DefaultLifecycleExecutor.
    executeGoalWithLifecycle(DefaultLifecycleExecutor.java:556)
at org.apache.maven.lifecycle.DefaultLifecycleExecutor.
    executeGoal(DefaultLifecycleExecutor.java:535)
at org.apache.maven.lifecycle.DefaultLifecycleExecutor.
    executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:387)
at org.apache.maven.lifecycle.DefaultLifecycleExecutor.
    executeTaskSegments(DefaultLifecycleExecutor.java:348)
at org.apache.maven.lifecycle.DefaultLifecycleExecutor.
    execute(DefaultLifecycleExecutor.java:180)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:328)
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:606)
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)
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 4 seconds
[INFO] Finished at: Mon Jun 09 09:28:22 CEST 2014
[INFO] Final Memory: 63M/713M
[INFO] ------------------------------------------------------------------------

请您给我任何有关如何使其工作的提示吗？