Hi Uwe/Adrien, 

I reverted a bunch of changes to only get rid of the 5x format codec names and 
it brings me to these errors:

 [javac] 
/Users/anshum/workspace/anshumg/lucene-solr/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene60/Lucene60Codec.java:35:
 error: cannot find symbol
    [javac] import org.apache.lucene.codecs.lucene50.Lucene50SegmentInfoFormat;
    [javac]                                         ^
    [javac]   symbol:   class Lucene50SegmentInfoFormat
    [javac]   location: package org.apache.lucene.codecs.lucene50
    [javac] 
/Users/anshum/workspace/anshumg/lucene-solr/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene60/Lucene60Codec.java:39:
 error: package org.apache.lucene.codecs.lucene53 does not exist
    [javac] import org.apache.lucene.codecs.lucene53.Lucene53NormsFormat;
    [javac]                                         ^
    [javac] 
/Users/anshum/workspace/anshumg/lucene-solr/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene62/Lucene62Codec.java:38:
 error: package org.apache.lucene.codecs.lucene53 does not exist
    [javac] import org.apache.lucene.codecs.lucene53.Lucene53NormsFormat;
    [javac]                                         ^
    [javac] 
/Users/anshum/workspace/anshumg/lucene-solr/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene60/Lucene60Codec.java:59:
 error: cannot find symbol
    [javac]   private final SegmentInfoFormat segmentInfosFormat = new 
Lucene50SegmentInfoFormat();
    [javac]                                                            ^
    [javac]   symbol:   class Lucene50SegmentInfoFormat
    [javac]   location: class Lucene60Codec
    [javac] 
/Users/anshum/workspace/anshumg/lucene-solr/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene60/Lucene60Codec.java:171:
 error: cannot find symbol
    [javac]   private final NormsFormat normsFormat = new Lucene53NormsFormat();
    [javac]                                               ^
    [javac]   symbol:   class Lucene53NormsFormat
    [javac]   location: class Lucene60Codec
    [javac] 
/Users/anshum/workspace/anshumg/lucene-solr/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene62/Lucene62Codec.java:170:
 error: cannot find symbol
    [javac]   private final NormsFormat normsFormat = new Lucene53NormsFormat();
    [javac]                                               ^
    [javac]   symbol:   class Lucene53NormsFormat
    [javac]   location: class Lucene62Codec
    [javac] 6 errors

As you mentioned, the old codecs are still used, but I thought we wouldn’t need 
the 5x named formats. Should we just keep all of this?

I also recreated my fork and applied the patch from the older fork, instead of 
running the upgrade script, only so that I didn’t have to run the upgrade 
script. The upgrade script doesn’t work on anything but the master branch for a 
major version bump.

All my changes are now here: 
https://github.com/anshumg/lucene-solr/tree/upgrade-master-to-8 
<https://github.com/anshumg/lucene-solr/tree/upgrade-master-to-8> 


-Anshum



> On Jun 29, 2017, at 4:18 PM, Uwe Schindler <u...@thetaphi.de> wrote:
> 
> The problem is that old 7.x indexes still use some codecs named by version 6. 
> They were never updated!
> 
> So backwards codec must keep all stuff in metainf and as classes that the 7.0 
> original index format requires. Maybe create a dummy 7.0 index in branch-7x 
> to have a list of codecs to test.
> 
> Uwe
> 
> Am 30. Juni 2017 00:43:06 MESZ schrieb Anshum Gupta <ansh...@apple.com>:
> I’ve pushed more changes there, and we have a new set of errors. This is one 
> of them:
> 
>    [junit4]   2> NOTE: reproduce with: ant test  
> -Dtestcase=TestBackwardsCompatibility 
> -Dtests.method=testUnsupportedOldIndexes -Dtests.seed=8FDA7D3598A2FB46 
> -Dtests.slow=true -Dtests.locale=ar-LB 
> -Dtests.timezone=America/Indiana/Marengo -Dtests.asserts=true 
> -Dtests.file.encoding=UTF-8
>    [junit4] ERROR   3.07s | 
> TestBackwardsCompatibility.testUnsupportedOldIndexes <<<
>    [junit4]    > Throwable #1: java.lang.IllegalArgumentException: Could not 
> load codec 'Lucene60'.  Did you forget to add lucene-backward-codecs.jar?
>    [junit4]    >  at 
> __randomizedtesting.SeedInfo.seed([8FDA7D3598A2FB46:74214F1628395C1A]:0)
>    [junit4]    >  at 
> org.apache.lucene.index.SegmentInfos.readCodec(SegmentInfos.java:433)
>    [junit4]    >  at 
> org.apache.lucene.index.SegmentInfos.readCommit(SegmentInfos.java:360)
>    [junit4]    >  at 
> org.apache.lucene.index.SegmentInfos.readCommit(SegmentInfos.java:295)
>    [junit4]    >  at 
> org.apache.lucene.index.StandardDirectoryReader$1.doBody(StandardDirectoryReader.java:59)
>    [junit4]    >  at 
> org.apache.lucene.index.StandardDirectoryReader$1.doBody(StandardDirectoryReader.java:56)
>    [junit4]    >  at 
> org.apache.lucene.index.SegmentInfos$FindSegmentsFile.run(SegmentInfos.java:694)
>    [junit4]    >  at 
> org.apache.lucene.index.StandardDirectoryReader.open(StandardDirectoryReader.java:79)
>    [junit4]    >  at 
> org.apache.lucene.index.DirectoryReader.open(DirectoryReader.java:63)
>    [junit4]    >  at 
> org.apache.lucene.index.TestBackwardsCompatibility.testUnsupportedOldIndexes(TestBackwardsCompatibility.java:613)
>    [junit4]    >  at java.lang.Thread.run(Thread.java:748)
>    [junit4]    > Caused by: java.lang.IllegalArgumentException: An SPI class 
> of type org.apache.lucene.codecs.Codec with name 'Lucene60' does not exist.  
> You need to add the corresponding JAR file supporting this SPI to your 
> classpath.  The current classpath supports the following names: [Asserting, 
> CheapBastard, FastCompressingStoredFields, 
> FastDecompressionCompressingStoredFields, 
> HighCompressionCompressingStoredFields, DummyCompressingStoredFields, 
> SimpleText, Lucene70]
> 
> 
> Do you intend to Ignore this for now? Also, in the last commit, I’ve Ignored 
> a bunch of tests that use the old indexes.
> 
> 
> -Anshum
> 
> 
> 
>> On Jun 29, 2017, at 3:10 PM, Anshum Gupta <ansh...@apple.com 
>> <mailto:ansh...@apple.com>> wrote:
>> 
>> I did remove the declaration in META-INT/services, atleast everything that 
>> had a version in it’s name i.e. 5x, or 6x.
>> 
>> I’ve also renamed the indexes for 6x, but here are a few that I wasn’t sure 
>> about what to do with these:
>> sorted.6.3.0.zip
>> sorted.6.2.1.zip
>> sorted.6.2.0.zip
>> moreterms.6.0.0.zip
>> maxposindex.zip
>> manypointsindex.zip
>> empty.6.0.0.zip
>> dvupdates.6.0.0.zip
>> 
>> Considering you suggested disabling the tests, should we be removing these 
>> indexes and regenerating these post release when re re-enable tests or 
>> should we keep them here and just disable the tests?
>> 
>> I’ve reverted the changes in SegmentInfos.java, and also changed 
>> testIllegalCreatedVersion as per your suggestion.
>> 
>> I’m running the tests now, and will commit to my fork right after. 
>> 
>> Thanks for helping out with this.
>> 
>> -Anshum
>> 
>> 
>> 
>>> On Jun 29, 2017, at 2:33 PM, Adrien Grand <jpou...@gmail.com 
>>> <mailto:jpou...@gmail.com>> wrote:
>>> 
>>> Removing most backward codecs sounds good to me since the only codec that 
>>> 8.0 needs to be able to read so far is the 7.0 codec which is in core. It 
>>> looks like you removed the code, but you also need to remove their 
>>> declaration in META-INF/services or the SPI loaded will try to load them 
>>> and fail since it cannot find the class.
>>> 
>>> Backcompat indexes will be added as we perform 7.x releases. However you'd 
>>> need to rename the 6.x indices from index.6.x.x to unsupported.6.x.x.
>>> 
>>> We have some specific tests like "moreterms" and "dvupdates". I think we 
>>> need to disable them for now and make sure to reenable them once 7.0 is 
>>> released.
>>> 
>>> I think the changes you did in SegmentInfos.java 
>>> <https://github.com/anshumg/lucene-solr/commit/c7f5b9f9fa94fe1a6e6abc7ffc74fc3df16293a4#diff-e3ccf9ee90355b10f2dd22ce2da6c73c>
>>>  are not necessary. It looks like the version numbers are related to the 
>>> current major, but it is actually due to the fact that 7.0 is the first 
>>> version to record the version that was used at creation time. I think you 
>>> can revert changes in this file entirely. In the testIllegalCreatedVersion 
>>> test, I'd just replace 8 with 9 or Version.CURRENT.major + 1.
>>> 
>>> We'd need to remove the compatibility layer in similarities but it can be 
>>> done as a follow-up.
>>> 
>>> Thanks for taking care of this!
>>> 
>>> Le jeu. 29 juin 2017 à 23:12, Anshum Gupta <ansh...@apple.com 
>>> <mailto:ansh...@apple.com>> a écrit :
>>> Adrien, I’ve pushed some more changes and seems like I’d have to regenerate 
>>> some test indexes but I’m not sure how to do that. Do you mind taking a 
>>> look at this in it’s current form, and also my commits? It is all @ my fork 
>>> here: https://github.com/anshumg/lucene-solr 
>>> <https://github.com/anshumg/lucene-solr>
>>> 
>>> P.S: I thought it’d make more sense to do this on a feature-branch but the 
>>> upgrade script wasn’t happy about that. 
>>> 
>>> -Anshum
>>> 
>>> 
>>> 
>>>> On Jun 29, 2017, at 9:20 AM, Anshum Gupta <ansh...@apple.com 
>>>> <mailto:ansh...@apple.com>> wrote:
>>>> 
>>>> Going with your suggestions, seems like we’d be wiping out all of the 
>>>> backward-codecs folder/package, is that correct ? Also, do we need to put 
>>>> in anything to ensure back-combat between 6x, and 7x?
>>>> 
>>>> -Anshum
>>>> 
>>>> 
>>>> 
>>>>> On Jun 29, 2017, at 7:21 AM, Anshum Gupta <ansh...@apple.com 
>>>>> <mailto:ansh...@apple.com>> wrote:
>>>>> 
>>>>> Thanks Adrien, I’d want to try and do this myself as long as you can 
>>>>> validate the correctness :).
>>>>> 
>>>>> I’ll be working on this in a few hours and should have an update later 
>>>>> today and hopefully we’d wrap it up soon.
>>>>> 
>>>>> -Anshum
>>>>> 
>>>>> 
>>>>> 
>>>>>> On Jun 28, 2017, at 10:39 AM, Adrien Grand <jpou...@gmail.com 
>>>>>> <mailto:jpou...@gmail.com>> wrote:
>>>>>> 
>>>>>> If you don't want to do it, I can do it tomorrow but if you'd like to 
>>>>>> give it a try I'd be happy to help if you need any guidance.
>>>>>> 
>>>>>> Le mer. 28 juin 2017 à 19:38, Adrien Grand <jpou...@gmail.com 
>>>>>> <mailto:jpou...@gmail.com>> a écrit :
>>>>>> Hi Anshum,
>>>>>> 
>>>>>> This looks like a good start to me. You would also need to remove the 
>>>>>> 6.x version constants so that TestBackwardCompatibility does not think 
>>>>>> they are worth testing, as well as all codecs, postings formats and doc 
>>>>>> values formats that are defined in the lucene/backward-codecs module 
>>>>>> since they are only about 6.x codecs.
>>>>>> 
>>>>>> Le mer. 28 juin 2017 à 09:57, Anshum Gupta <ansh...@apple.com 
>>>>>> <mailto:ansh...@apple.com>> a écrit :
>>>>>> Thanks for confirming that Alan, I had similar thoughts but wasn’t sure. 
>>>>>> 
>>>>>> I don’t want to change anything that I’m not confident about so I’m just 
>>>>>> going to create remove those and commit it to my fork. If someone who’s 
>>>>>> confident agrees with what I’m doing, I’ll go ahead and make those 
>>>>>> changes to the upstream :).
>>>>>> 
>>>>>> -Anshum
>>>>>> 
>>>>>> 
>>>>>> 
>>>>>>> On Jun 28, 2017, at 12:54 AM, Alan Woodward <a...@flax.co.uk 
>>>>>>> <mailto:a...@flax.co.uk>> wrote:
>>>>>>> 
>>>>>>> We don’t need to support lucene5x codecs in 7, so you should be able to 
>>>>>>> just remove those tests (and the the relevant packages from 
>>>>>>> backwards-codecs too), I think?
>>>>>>> 
>>>>>>> 
>>>>>>>> On 28 Jun 2017, at 08:38, Anshum Gupta <ansh...@apple.com 
>>>>>>>> <mailto:ansh...@apple.com>> wrote:
>>>>>>>> 
>>>>>>>> I tried to move forward to see this work before automatically 
>>>>>>>> computing the versions but I have about 30 odd failing test. I’ve made 
>>>>>>>> those changes and pushed to my local GitHub account in case you have 
>>>>>>>> the time to look: https://github.com/anshumg/lucene-solr 
>>>>>>>> <https://github.com/anshumg/lucene-solr> 
>>>>>>>> 
>>>>>>>> Here’s the build summary if that helps:
>>>>>>>> 
>>>>>>>>    [junit4] Tests with failures [seed: 31C3B60E557C7E14] (first 10 out 
>>>>>>>> of 31):
>>>>>>>>    [junit4]   - 
>>>>>>>> org.apache.lucene.codecs.lucene53.TestLucene53NormsFormat.testOutliers2
>>>>>>>>    [junit4]   - 
>>>>>>>> org.apache.lucene.codecs.lucene53.TestLucene53NormsFormat.testShortRange
>>>>>>>>    [junit4]   - 
>>>>>>>> org.apache.lucene.codecs.lucene53.TestLucene53NormsFormat.testFewValues
>>>>>>>>    [junit4]   - 
>>>>>>>> org.apache.lucene.codecs.lucene53.TestLucene53NormsFormat.testFullLongRange
>>>>>>>>    [junit4]   - 
>>>>>>>> org.apache.lucene.codecs.lucene53.TestLucene53NormsFormat.testRamBytesUsed
>>>>>>>>    [junit4]   - 
>>>>>>>> org.apache.lucene.codecs.lucene53.TestLucene53NormsFormat.testFewLargeValues
>>>>>>>>    [junit4]   - 
>>>>>>>> org.apache.lucene.codecs.lucene53.TestLucene53NormsFormat.testByteRange
>>>>>>>>    [junit4]   - 
>>>>>>>> org.apache.lucene.codecs.lucene53.TestLucene53NormsFormat.testLongRange
>>>>>>>>    [junit4]   - 
>>>>>>>> org.apache.lucene.codecs.lucene50.TestLucene50SegmentInfoFormat.testRandomExceptions
>>>>>>>>    [junit4]   - 
>>>>>>>> org.apache.lucene.codecs.lucene62.TestLucene62SegmentInfoFormat.testRandomExceptions
>>>>>>>>    [junit4] 
>>>>>>>>    [junit4] 
>>>>>>>>    [junit4] JVM J0:     0.56 ..     9.47 =     8.91s
>>>>>>>>    [junit4] JVM J1:     0.56 ..     4.13 =     3.57s
>>>>>>>>    [junit4] JVM J2:     0.56 ..    47.28 =    46.73s
>>>>>>>>    [junit4] JVM J3:     0.56 ..     3.89 =     3.33s
>>>>>>>>    [junit4] Execution time total: 47 seconds
>>>>>>>>    [junit4] Tests summary: 8 suites, 215 tests, 30 errors, 1 failure, 
>>>>>>>> 24 ignored (24 assumptions)
>>>>>>>> 
>>>>>>>> 
>>>>>>>> -Anshum
>>>>>>>> 
>>>>>>>> 
>>>>>>>> 
>>>>>>>>> On Jun 27, 2017, at 4:15 AM, Adrien Grand <jpou...@gmail.com 
>>>>>>>>> <mailto:jpou...@gmail.com>> wrote:
>>>>>>>>> 
>>>>>>>>> The test***BackwardCompatibility cases can be removed since they make 
>>>>>>>>> sure that Lucene 7 can read Lucene 6 norms, while Lucene 8 doesn't 
>>>>>>>>> have to be able to read Lucene 6 norms.
>>>>>>>>> 
>>>>>>>>> TestSegmentInfos needs to be adapted to the new versions, we need to 
>>>>>>>>> replace 5 with 6 and 8 with 9. Maybe we should compute those numbers 
>>>>>>>>> automatically based on Version.LATEST.major so that it does not 
>>>>>>>>> require manual changes when moving to a new major version. That would 
>>>>>>>>> give 5 -> Version.LATEST.major-2 and 8 -> Version.LATEST.major+1.
>>>>>>>>> 
>>>>>>>>> I can do those changes on Thursday if you don't feel comfortable 
>>>>>>>>> doing them.
>>>>>>>>> 
>>>>>>>>> 
>>>>>>>>> 
>>>>>>>>> Le mar. 27 juin 2017 à 08:12, Anshum Gupta <ansh...@apple.com 
>>>>>>>>> <mailto:ansh...@apple.com>> a écrit :
>>>>>>>>> Without making any changes at all and just bumping up the version, I 
>>>>>>>>> hit these errors when running the tests:
>>>>>>>>> 
>>>>>>>>>    [junit4]   2> NOTE: reproduce with: ant test  
>>>>>>>>> -Dtestcase=TestSegmentInfos -Dtests.method=testIllegalCreatedVersion 
>>>>>>>>> -Dtests.seed=C818A61FA6C293A1 -Dtests.slow=true -Dtests.locale=es-PR 
>>>>>>>>> -Dtests.timezone=Etc/GMT+4 -Dtests.asserts=true 
>>>>>>>>> -Dtests.file.encoding=US-ASCII
>>>>>>>>>    [junit4] FAILURE 0.01s J0 | 
>>>>>>>>> TestSegmentInfos.testIllegalCreatedVersion <<<
>>>>>>>>>    [junit4]    > Throwable #1: junit.framework.AssertionFailedError: 
>>>>>>>>> Expected exception IllegalArgumentException but no exception was 
>>>>>>>>> thrown
>>>>>>>>>    [junit4]    >  at 
>>>>>>>>> __randomizedtesting.SeedInfo.seed([C818A61FA6C293A1:CE340683BE44C211]:0)
>>>>>>>>>    [junit4]    >  at 
>>>>>>>>> org.apache.lucene.util.LuceneTestCase.expectThrows(LuceneTestCase.java:2672)
>>>>>>>>>    [junit4]    >  at 
>>>>>>>>> org.apache.lucene.index.TestSegmentInfos.testIllegalCreatedVersion(TestSegmentInfos.java:35)
>>>>>>>>>    [junit4]    >  at java.lang.Thread.run(Thread.java:748)
>>>>>>>>>    [junit4]   2> NOTE: reproduce with: ant test  
>>>>>>>>> -Dtestcase=TestSegmentInfos -Dtests.method=testVersionsOneSegment 
>>>>>>>>> -Dtests.seed=C818A61FA6C293A1 -Dtests.slow=true -Dtests.locale=es-PR 
>>>>>>>>> -Dtests.timezone=Etc/GMT+4 -Dtests.asserts=true 
>>>>>>>>> -Dtests.file.encoding=US-ASCII
>>>>>>>>>    [junit4] ERROR   0.00s J0 | 
>>>>>>>>> TestSegmentInfos.testVersionsOneSegment <<<
>>>>>>>>>    [junit4]    > Throwable #1: 
>>>>>>>>> org.apache.lucene.index.CorruptIndexException: segments file recorded 
>>>>>>>>> indexCreatedVersionMajor=8 but segment=_0(7.0.0):C1 has older 
>>>>>>>>> version=7.0.0 
>>>>>>>>> (resource=BufferedChecksumIndexInput(MockIndexInputWrapper(RAMInputStream(name=segments_1))))
>>>>>>>>>    [junit4]    >  at 
>>>>>>>>> __randomizedtesting.SeedInfo.seed([C818A61FA6C293A1:A7477EE8875F2E36]:0)
>>>>>>>>>    [junit4]    >  at 
>>>>>>>>> org.apache.lucene.index.SegmentInfos.readCommit(SegmentInfos.java:392)
>>>>>>>>>    [junit4]    >  at 
>>>>>>>>> org.apache.lucene.index.SegmentInfos.readCommit(SegmentInfos.java:293)
>>>>>>>>>    [junit4]    >  at 
>>>>>>>>> org.apache.lucene.index.SegmentInfos$1.doBody(SegmentInfos.java:443)
>>>>>>>>>    [junit4]    >  at 
>>>>>>>>> org.apache.lucene.index.SegmentInfos$1.doBody(SegmentInfos.java:440)
>>>>>>>>>    [junit4]    >  at 
>>>>>>>>> org.apache.lucene.index.SegmentInfos$FindSegmentsFile.run(SegmentInfos.java:692)
>>>>>>>>>    [junit4]    >  at 
>>>>>>>>> org.apache.lucene.index.SegmentInfos$FindSegmentsFile.run(SegmentInfos.java:644)
>>>>>>>>>    [junit4]    >  at 
>>>>>>>>> org.apache.lucene.index.SegmentInfos.readLatestCommit(SegmentInfos.java:445)
>>>>>>>>>    [junit4]    >  at 
>>>>>>>>> org.apache.lucene.index.TestSegmentInfos.testVersionsOneSegment(TestSegmentInfos.java:67)
>>>>>>>>>    [junit4]    >  at java.lang.Thread.run(Thread.java:748)
>>>>>>>>>    [junit4]   2> NOTE: reproduce with: ant test  
>>>>>>>>> -Dtestcase=TestSegmentInfos -Dtests.method=testVersionsTwoSegments 
>>>>>>>>> -Dtests.seed=C818A61FA6C293A1 -Dtests.slow=true -Dtests.locale=es-PR 
>>>>>>>>> -Dtests.timezone=Etc/GMT+4 -Dtests.asserts=true 
>>>>>>>>> -Dtests.file.encoding=US-ASCII
>>>>>>>>>    [junit4] ERROR   0.00s J0 | 
>>>>>>>>> TestSegmentInfos.testVersionsTwoSegments <<<
>>>>>>>>>    [junit4]    > Throwable #1: 
>>>>>>>>> org.apache.lucene.index.CorruptIndexException: segments file recorded 
>>>>>>>>> indexCreatedVersionMajor=8 but segment=_0(7.0.0):C1 has older 
>>>>>>>>> version=7.0.0 
>>>>>>>>> (resource=BufferedChecksumIndexInput(MockIndexInputWrapper(RAMInputStream(name=segments_1))))
>>>>>>>>>    [junit4]    >  at 
>>>>>>>>> __randomizedtesting.SeedInfo.seed([C818A61FA6C293A1:4EE9CC4194FBB648]:0)
>>>>>>>>>    [junit4]    >  at 
>>>>>>>>> org.apache.lucene.index.SegmentInfos.readCommit(SegmentInfos.java:392)
>>>>>>>>>    [junit4]    >  at 
>>>>>>>>> org.apache.lucene.index.SegmentInfos.readCommit(SegmentInfos.java:293)
>>>>>>>>>    [junit4]    >  at 
>>>>>>>>> org.apache.lucene.index.SegmentInfos$1.doBody(SegmentInfos.java:443)
>>>>>>>>>    [junit4]    >  at 
>>>>>>>>> org.apache.lucene.index.SegmentInfos$1.doBody(SegmentInfos.java:440)
>>>>>>>>>    [junit4]    >  at 
>>>>>>>>> org.apache.lucene.index.SegmentInfos$FindSegmentsFile.run(SegmentInfos.java:692)
>>>>>>>>>    [junit4]    >  at 
>>>>>>>>> org.apache.lucene.index.SegmentInfos$FindSegmentsFile.run(SegmentInfos.java:644)
>>>>>>>>>    [junit4]    >  at 
>>>>>>>>> org.apache.lucene.index.SegmentInfos.readLatestCommit(SegmentInfos.java:445)
>>>>>>>>>    [junit4]    >  at 
>>>>>>>>> org.apache.lucene.index.TestSegmentInfos.testVersionsTwoSegments(TestSegmentInfos.java:96)
>>>>>>>>>    [junit4]    >  at java.lang.Thread.run(Thread.java:748)
>>>>>>>>> 
>>>>>>>>> On applying the patch here (https://pastebin.com/tM4Fpy1Q 
>>>>>>>>> <https://pastebin.com/tM4Fpy1Q>), I end up with the following errors:
>>>>>>>>> 
>>>>>>>>>    [junit4] Tests with failures [seed: 5B388AB1E2BEFF87]:
>>>>>>>>>    [junit4]   - 
>>>>>>>>> org.apache.lucene.search.similarities.TestSimilarityBase.testLengthEncodingBackwardCompatibility
>>>>>>>>>    [junit4]   - 
>>>>>>>>> org.apache.lucene.search.similarities.TestClassicSimilarity.testNormEncodingBackwardCompatibility
>>>>>>>>>    [junit4]   - 
>>>>>>>>> org.apache.lucene.index.TestSegmentInfos.testIllegalCreatedVersion
>>>>>>>>>    [junit4]   - 
>>>>>>>>> org.apache.lucene.search.similarities.TestBM25Similarity.testLengthEncodingBackwardCompatibility
>>>>>>>>> 
>>>>>>>>> Any ideas on what I’m missing here? 
>>>>>>>>> 
>>>>>>>>> 
>>>>>>>>> -Anshum
>>>>>>>>> 
>>>>>>>>> 
>>>>>>>>> 
>>>>>>>>>> On Jun 26, 2017, at 2:55 PM, Ryan Ernst <r...@iernst.net 
>>>>>>>>>> <mailto:r...@iernst.net>> wrote:
>>>>>>>>>> 
>>>>>>>>>> After changing that constant check, do you get the same test 
>>>>>>>>>> failures? What are the actual failure messages?
>>>>>>>>>> 
>>>>>>>>>> On Mon, Jun 26, 2017 at 10:38 AM Anshum Gupta 
>>>>>>>>>> <ans...@anshumgupta.net <mailto:ans...@anshumgupta.net>> wrote:
>>>>>>>>>> Thanks Adrien, sadly, the tests aren't passing. That's the reason 
>>>>>>>>>> why I didn't push the changes. I'll see if someone else can help 
>>>>>>>>>> while you're away.
>>>>>>>>>> 
>>>>>>>>>> -Anshum
>>>>>>>>>> 
>>>>>>>>>> On Mon, Jun 26, 2017 at 9:55 AM Adrien Grand <jpou...@gmail.com 
>>>>>>>>>> <mailto:jpou...@gmail.com>> wrote:
>>>>>>>>>> Your proposed change looks correct to me. As far as whether other 
>>>>>>>>>> changes are required, I'm currently traveling but can look when I'm 
>>>>>>>>>> back on Thursday. Feel free to push the branches if tests are 
>>>>>>>>>> passing, we can fix things later?
>>>>>>>>>> 
>>>>>>>>>> Le lun. 26 juin 2017 à 07:13, Anshum Gupta <ans...@anshumgupta.net 
>>>>>>>>>> <mailto:ans...@anshumgupta.net>> a écrit :
>>>>>>>>>> The only throw case that I think needs changing is in 
>>>>>>>>>> SegmentInfos.java L315
>>>>>>>>>> Version luceneVersion = Version.fromBits(input.readVInt(), 
>>>>>>>>>> input.readVInt(), input.readVInt());
>>>>>>>>>> if (luceneVersion.onOrAfter(Version.LUCENE_7_0_0) == false) {
>>>>>>>>>>   // TODO: should we check indexCreatedVersion instead?
>>>>>>>>>>   throw new IndexFormatTooOldException(input, "this index is too old 
>>>>>>>>>> (version: " + luceneVersion + ")");
>>>>>>>>>> }
>>>>>>>>>> 
>>>>>>>>>> The Lucene version here should be LUCENE_7_0_0, instead of the 
>>>>>>>>>> original LUCENE_6_0_0. 
>>>>>>>>>> 
>>>>>>>>>> Is there anything else that's needed (and is this the correct 
>>>>>>>>>> change?).
>>>>>>>>>> 
>>>>>>>>>> -Anshum
>>>>>>>>>> 
>>>>>>>>>> 
>>>>>>>>>> On Sun, Jun 25, 2017 at 9:45 PM Anshum Gupta <ans...@anshumgupta.net 
>>>>>>>>>> <mailto:ans...@anshumgupta.net>> wrote:
>>>>>>>>>> Hi,
>>>>>>>>>> 
>>>>>>>>>> I am working on creating the 7x, and 7.0 branches but I have the 
>>>>>>>>>> following failing tests:
>>>>>>>>>>    [junit4] Tests with failures [seed: 4FBDDCD3F96316D3]:
>>>>>>>>>>    [junit4]   - 
>>>>>>>>>> org.apache.lucene.index.TestSegmentInfos.testVersionsTwoSegments
>>>>>>>>>>    [junit4]   - 
>>>>>>>>>> org.apache.lucene.index.TestSegmentInfos.testIllegalCreatedVersion
>>>>>>>>>>    [junit4]   - 
>>>>>>>>>> org.apache.lucene.index.TestSegmentInfos.testVersionsOneSegment
>>>>>>>>>> 
>>>>>>>>>> I assume this is a result of me not doing anything about the 
>>>>>>>>>> following TODO that got printed when I ran addVersion.py.
>>>>>>>>>> TODO
>>>>>>>>>>   - Update IndexFormatTooOldException throw cases
>>>>>>>>>> 
>>>>>>>>>> Can someone shed more light on what needs to be done here?
>>>>>>>>>> 
>>>>>>>>>> -Anshum
>>>>>>>>> 
>>>>>>>> 
>>>>>>> 
>>>>>> 
>>>>> 
>>>> 
>>> 
>> 
> 
> 
> --
> Uwe Schindler
> Achterdiek 19, 28357 Bremen
> https://www.thetaphi.de <https://www.thetaphi.de/>

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