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Bug 197039

Summary:	V1-format (*.gz) Nexus indices cannot be fetched from Apache httpd
Product:	projects	Reporter:	Jesse Glick <jglick>
Component:	Maven	Assignee:	Jesse Glick <jglick>
Status:	VERIFIED FIXED
Severity:	normal	CC:	anebuzelsky, mmirilovic, musilt2, pgebauer
Priority:	P2
Version:	7.0
Hardware:	PC
OS:	Linux
URL:	http://jira.codehaus.org/browse/MINDEXER-13
Issue Type:	DEFECT	Exception Reporter:
Bug Depends on:
Bug Blocks:	191685

Description Jesse Glick 2011-03-24 14:30:45 UTC

Due to a bug in Maven Indexer (see URL), a repository index using the new GZIPped format cannot be downloaded by NB when the HTTP server sets Content-Encoding: gzip. http://jira.codehaus.org/browse/MINDEXER-12 also masks the original problem, which is why it took so long to notice. Does not affect Nexus mirrors (at least from the client; not sure what Nexus itself downloads), but does affect bits.netbeans.org. Forces us to publish a *.zip fallback index, which is a bigger download and does not support incremental downloads.

Since older IDE releases will not have the fix, still need to publish both formats. https://bitbucket.org/jglick/nexus-for-netbeans/changeset/eb8d43bab322 accomplishes that. (Currently we publish only the *.zip because of this bug. After the fix, an older IDE will actually download the *.gz index, fail to read it, then download the *.zip; oh well.)

Comment 1 Jesse Glick 2011-03-24 15:01:58 UTC

core-main #62df07c4a7a6

Comment 2 Marian Mirilovic 2011-03-24 15:10:17 UTC

(In reply to comment #1)
> core-main #62df07c4a7a6

Jesse, i agree with integration. Please do that before 10pm CET today, so we will ask NetCAT to test it during the weekend. Thanks in advance.

Comment 3 Jesse Glick 2011-03-24 23:21:24 UTC

releases #92b966499c63 though after your deadline.

Comment 4 Quality Engineering 2011-03-25 09:53:41 UTC

Integrated into 'main-golden', will be available in build *201103250400* on http://bits.netbeans.org/dev/nightly/ (upload may still be in progress)
Changeset: http://hg.netbeans.org/main/rev/62df07c4a7a6
User: Jesse Glick <jglick@netbeans.org>
Log: #197039: V1-format (*.gz) Nexus indices cannot be fetched from Apache httpd

Comment 5 Tomas Danek 2011-03-25 10:07:09 UTC

If I understand correctly, http://bits.netbeans.org/maven2/ now supports *.gz index, and ide after core-main #62df07c4a7a6 knows how to handle it (with fallback to *.zip)?
For main maven2 repo has nothing changed?

Comment 6 Tomas Danek 2011-03-28 14:27:02 UTC

it seems like it's working properly, i was able to obtain index from all default repositories.

v.

Product Version: NetBeans IDE 7.0 RC1 (Build 201103280000)
Java: 1.6.0_24; Java HotSpot(TM) 64-Bit Server VM 19.1-b02-334
System: Mac OS X version 10.6.7 running on x86_64; MacRoman; en_US (nb)
Userdir: /Users/tomas/.netbeans/7.0rc1

Comment 7 Jesse Glick 2011-03-28 20:24:22 UTC

(In reply to comment #5)
> If I understand correctly, http://bits.netbeans.org/maven2/ now supports *.gz
> index

Yes.

> and ide after core-main #62df07c4a7a6 knows how to handle it

The IDE has long been able to handle *.gz indices (Central publishes one), but it was served incorrectly from our Apache server. With this fix, the IDE should be able to retrieve even the misserved *.gz index.

Additionally, we found the misconfiguration in the server and corrected it, so previous IDE versions should now be able to use the new-style index too.

> (with fallback to *.zip)?

In case *.gz is missing, the Indexer falls back to *.zip. Unfortunately this logic was broken in some older versions of the Indexer, including that used in Beta 2 IIRC, causing it to fail utterly if the *.gz was misserved even if the *.zip was present and valid.

(Sorry this is so complicated to verify, but the problem was in the interaction between client and server.)

> For main maven2 repo has nothing changed?

Not that I know of.

Comment 8 Jesse Glick 2011-03-30 15:24:31 UTC

Update: MINDEXER-12 and MINDEXER-13 accepted upstream and should be in Maven Indexer 4.1.0; also related MINDEXER-20 (robustness against bad input) was applied.