将 mobilefirst 6.3 CLI 升级到 mobilefirst 7.0 CLI 是否存在任何已知问题？
自动升级在 ubuntu 14.0.x 中失败并出现以下错误，之前它在 6.3.0 中运行良好。
运行 mfp build -dd 时出错
mobilefirst-cli verb cli process.argv=["/opt/ibm/MobileFirst-CLI/IBMnode/bin/node","/opt/ibm/MobileFirst-CLI/mobilefirst-cli/bin/mobilefirst-cli.js","build","-dd"]
mobilefirst-cli verb cli opts={"ddebug":true,"argv":{"remain":["build"],"cooked":["build","--ddebug"],"original":["build","-dd"]}}
mobilefirst-cli verb cli mobilefirst@7.0.0.00.20150312-0738
mobilefirst-cli verb cli node@v0.10.30
mobilefirst-cli verb ant variables -Dbasedir=/home/ubuntu/xxxxxxxxx
mobilefirst-cli verb ant variables -Dworklight.jars.dir=/opt/ibm/MobileFirst-CLI/mobilefirst-cli/node_modules/generator-worklight-server/lib
mobilefirst-cli verb ant variables -Dworklight.ant.tools.dir=/opt/ibm/MobileFirst-CLI/mobilefirst-cli/node_modules/generator-worklight-server/ant-tools
mobilefirst-cli verb ant variables -Dworklight.hostname=x.x.x.x
mobilefirst-cli verb ant variables -file=/opt/ibm/MobileFirst-CLI/mobilefirst-cli/node_modules/generator-worklight-server/lib/build.xml
mobilefirst-cli verb ant task upgrade
Buildfile: /opt/ibm/MobileFirst-CLI/mobilefirst-cli/node_modules/generator-worklight-server/lib/build.xml
upgrade:
[project-upgrader] FINE: DEBUG_PERFORM_UPGRADE
[project-upgrader] INFO: FWLST1022I: Starting to migrate the xxxxxx project from version 6.3.0.00.20150106-1717 to version 7.0.0.00.20150312-0731.
[project-upgrader] path found:6.3.0.0--->7.0.0.0
[project-upgrader] FINE: DEBUG_FOUND_PATH
[project-upgrader] ERROR: Unexpected error during upgrade: java.lang.NullPointerException
[project-upgrader] at com.worklight.upgrader.upgraders.android.AppAndroidProGuardConfUpgrader.upgrade(AppAndroidProGuardConfUpgrader.java:57)
[project-upgrader] at com.worklight.upgrader.WLUpgradeEngine.executeUpgrader(WLUpgradeEngine.java:368)
[project-upgrader] at com.worklight.upgrader.WLUpgradeEngine.performUpgrade(WLUpgradeEngine.java:301)
[project-upgrader] at com.worklight.upgrader.WLUpgradeEngine.upgradeProject(WLUpgradeEngine.java:188)
[project-upgrader] at com.worklight.upgrader.ant.UpgraderTask.execute(UpgraderTask.java:100)
[project-upgrader] at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:291)
[project-upgrader] at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)
[project-upgrader] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
[project-upgrader] at java.lang.reflect.Method.invoke(Method.java:606)
[project-upgrader] at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
[project-upgrader] at org.apache.tools.ant.Task.perform(Task.java:348)
[project-upgrader] at org.apache.tools.ant.Target.execute(Target.java:392)
[project-upgrader] at org.apache.tools.ant.Target.performTasks(Target.java:413)
[project-upgrader] at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1399)
[project-upgrader] at org.apache.tools.ant.Project.executeTarget(Project.java:1368)
[project-upgrader] at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
[project-upgrader] at org.apache.tools.ant.Project.executeTargets(Project.java:1251)
[project-upgrader] at org.apache.tools.ant.Main.runBuild(Main.java:811)
[project-upgrader] at org.apache.tools.ant.Main.startAnt(Main.java:217)
[project-upgrader] at org.apache.tools.ant.launch.Launcher.run(Launcher.java:280)
[project-upgrader] at org.apache.tools.ant.launch.Launcher.main(Launcher.java:109)