Exception thrown while indexing a particular .jpg image

My site's content index is only partially built, resulting in missing pages in search results. I see http://jira.atlassian.com/browse/CONF-18452 has been filed to fix the failure to completely index when there's a problem with a particular page, but I also wanted to file bugs about the underlying issues.

This issue is a problem indexing .JPG images:

2010-02-22 11:20:04,209 ERROR [Indexer: 7] [atlassian.bonnie.search.BaseDocumentBuilder] getDocument Error extracting search fields from Attachment: images.j
pg v.1 (2031635) tcrosby using BackwardsCompatibleExtractor wrapping com.atlassian.confluence.search.lucene.extractor.ConfluenceAttachmentMetadataExtractor@1
0d4e7f (confluence.extractors.core:attachmentMetadataExtractor): value cannot be null
– url: /confluence/admin/reindex.action | userName: moise | referer: https://qix.demiurgestudios.com/confluence/admin/search-indexes.action | action: reind
ex
java.lang.NullPointerException: value cannot be null
at org.apache.lucene.document.Field.<init>(Field.java:195)
at org.apache.lucene.document.Field.<init>(Field.java:171)
at com.atlassian.confluence.search.lucene.extractor.ConfluenceAttachmentMetadataExtractor.addFields(ConfluenceAttachmentMetadataExtractor.java:66)
at com.atlassian.confluence.plugin.descriptor.ExtractorModuleDescriptor$BackwardsCompatibleExtractor.addFields(ExtractorModuleDescriptor.java:43)
at com.atlassian.bonnie.search.BaseDocumentBuilder.getDocument(BaseDocumentBuilder.java:104)
at com.atlassian.confluence.search.lucene.ConfluenceDocumentBuilder.getDocument(ConfluenceDocumentBuilder.java:102)
at com.atlassian.confluence.search.lucene.tasks.AddDocumentIndexTask.perform(AddDocumentIndexTask.java:41)
at com.atlassian.bonnie.index.TempIndexWriter.perform(TempIndexWriter.java:72)
at com.atlassian.confluence.search.lucene.TempIndexWriterStrategy.perform(TempIndexWriterStrategy.java:43)
at com.atlassian.confluence.search.lucene.tasks.TempIndexBackedIndexTaskPerformer.perform(TempIndexBackedIndexTaskPerformer.java:21)
at com.atlassian.confluence.search.lucene.DefaultObjectQueueWorker.indexCollection(DefaultObjectQueueWorker.java:73)
at com.atlassian.confluence.search.lucene.DefaultObjectQueueWorker$1.doInTransactionWithoutResult(DefaultObjectQueueWorker.java:61)
at org.springframework.transaction.support.TransactionCallbackWithoutResult.doInTransaction(TransactionCallbackWithoutResult.java:33)
at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:127)
at com.atlassian.confluence.search.lucene.DefaultObjectQueueWorker.run(DefaultObjectQueueWorker.java:50)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:650)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:675)
at java.lang.Thread.run(Thread.java:595)