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Posted to dev@jena.apache.org by "Paolo Castagna (Updated) (JIRA)" <ji...@apache.org> on 2011/10/11 20:49:11 UTC
[jira] [Updated] (JENA-137) RecordsFromInput does not work properly
with GZIPInputStream
[ https://issues.apache.org/jira/browse/JENA-137?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Paolo Castagna updated JENA-137:
--------------------------------
Attachment: JENA-137.patch
This works fine with GZIPInputSream(s) and it does not change the behavior of the fill() private method.
I have been using the classes in the bulkloader2 elsewhere and it would help me to be able to use RecordsFromInput with GZIPInputStream.
I am attaching the patch just to have another pair of eyes to double check it.
> RecordsFromInput does not work properly with GZIPInputStream
> ------------------------------------------------------------
>
> Key: JENA-137
> URL: https://issues.apache.org/jira/browse/JENA-137
> Project: Jena
> Issue Type: Improvement
> Components: TDB
> Reporter: Paolo Castagna
> Priority: Trivial
> Attachments: JENA-137.patch
>
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> This is classified as a trivial improvement and not a bug because it does not affect tdbloader2 users.
> RecordsFromInput is it used by BPlusTreeRewriter in tdbloader2:
> https://svn.apache.org/repos/asf/incubator/jena/Jena2/TDB/trunk/src/main/java/com/hp/hpl/jena/tdb/store/bulkloader2/RecordsFromInput.java
> tdbloader2 happens to use non compressed InputStream and it works fine.
> However, when I tried to use RecordsFromInput with a GZIPInputStream I got this exception:
> Exception in thread "main" org.openjena.atlas.AtlasException: Wrong length: 4908
> at org.apache.jena.tdb.bulkloader2.RecordsFromInput.fill(RecordFromInput.java:121)
> at org.apache.jena.tdb.bulkloader2.RecordsFromInput.hasNext(RecordFromInput.java:52)
> at com.hp.hpl.jena.tdb.index.bplustree.BPlusTreeRewriter.packIntoBPlusTree(BPlusTreeRewriter.java:62)
> at org.apache.jena.tdb.bulkloader2.CmdIndexBuild.main(CmdIndexBuild.java:117)
> at cmd.download.main(download.java:196)
> The problem is in the private fill() method in RecordsFromInput.
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