Day: October 21, 2013

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Unable to find property ‘application’ on class: IndexYamlReader

A quick note for today: some developers are experiencing the below error while attempting to vacuum an application’s indexes:

Error Details:
Line 0, column 10: Unable to find property 'application' on class:
com.google.apphosting.utils.config.IndexYamlReader
.
com.google.appengine.tools.admin.AdminException: Unable to perform vacuum_indexes
    at com.google.appengine.tools.admin.AppAdminImpl.vacuumIndexes(AppAdminImpl.java:346)
    at com.google.appengine.tools.admin.AppCfg$VacuumIndexesAction.execute(AppCfg.java:1605)
    at com.google.appengine.tools.admin.AppCfg.executeAction(AppCfg.java:327)
    at com.google.appengine.tools.admin.AppCfg.<init>(AppCfg.java:210)
    at com.google.appengine.tools.admin.AppCfg.<init>(AppCfg.java:121)
    at com.google.appengine.tools.admin.AppCfg.main(AppCfg.java:117)

Google seems to have changed the index backend during the 1.8.6 App Engine release, and this is causing older SDK versions to break when they attempt to issue the vacuum indexes command. To fix this, update your SDK version to the latest available.

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Cloud Integration: An Error Occurred When Creating The Project

While integrating an App Engine application into a Google Cloud project, you may experience the below error:

Here is the transcribed form:

Cloud Integration
Create a Google Cloud project for this application.
An error occurred when creating the project. Please retry.

While this error is rare, it can easily be fixed. Press the Retry button to try integrating the project again; this will solve the vast majority of failures. If this error occurs repeatedly, you may wish to file an issue on the tracker. There are some integration errors that are documented, such as issue 9602: https://issuetracker.google.com/issues/35895752  .

In the interim – until integration succeeds – App Engine applications can be configured to use assets and services that are technically within a separate project. For example, GAE applications can access Cloud Storage buckets that are listed in a separate project as long as their service account names are listed in the bucket ACLs.