IOException: Changed index specification

Question

I am developing a GWT 2.5.1 and GAE/J 1.7.6 web app using Eclipse Juno/Google Plugin for Eclipse, and I am experimenting with the Search API. After an upgrade to the 1.7.6 GAE SDK the following started happening:

1. When the app is running in GAE Dev Mode and my index is populated, it's subsequently programmatically accessible.

2. If the Dev Mode is terminated and started again, programmatic access attempts fail (no results returned) as follows:

   SEVERE: Failed to access index
   java.io.IOException: Changed index specification for description_index
   at com.google.appengine.api.search.dev.LuceneDirectoryMap.getDirectory(LuceneDirectoryMap.java:198)
   at com.google.appengine.api.search.dev.LuceneDirectoryMap$FileBased.getDirectory(LuceneDirectoryMap.java:64)
   at com.google.appengine.api.search.dev.LocalSearchService.search(LocalSearchService.java:438)
   

Since the Search API is in development I would much rather use the SDK with the latest bugfixes and improvements. Does anyone have any suggestions regarding the cause of the exception?

Update

Fixed in App Engine SDK for Java release 1.7.7.1, available from the App Engine Downloads page.

Answer 1

Fix released in 1.7.7.1 SDK for Java. See here