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From baris.ka...@oracle.com
Subject Re: A possible Java exception message fix
Date Mon, 24 Jun 2019 20:30:10 GMT
I already explained on the message line and in the email body:
the exception message needs a fix and i explained in detail below.
Thanks

On 6/24/19 2:06 PM, Erick Erickson wrote:
> What are you asking here? Indeed, Lucene 8 (and therefore Solr) will not open an index
that has ever been touched by Lucene 6x or earlier. You must re-index into 8x.
>
> You cannot spoof this with, for instance, IndexUpgraderTool and go from 6->7->8.
You must reindex from your system-of-record.
>
> This has been discussed several times on the mailing list, please search the mail archives
for a fuller discussion.
>
> Best,
> Erick
>
>> On Jun 24, 2019, at 11:05 AM, baris.kazar@oracle.com wrote:
>>
>> Ok i forgot to mention below that i was trying to run 6.6. index with Lucene 8.1.1.
>>
>> Best regards
>>
>>
>> On 6/24/19 2:03 PM, baris.kazar@oracle.com wrote:
>>> Index created with Lucene 6.6 and*i tried running the same index with Lucene
8.1 *and according to that,  this error message might need update:-> This version of Lucene
only supports indexes created with release 7.0 and later.
>>>
>>> The first part of the error message is consistent with the error: -> 6 (needs
to be between 7 and 9).
>>>
>>> Hope this helps
>>>
>>> baris
>>>
>>> PS, here is the stack trace
>>>
>>>
>>> org.apache.lucene.index.IndexFormatTooOldException: Format version is not supported
(resource BufferedChecksumIndexInput(MMapIndexInput(path="/scratch/bkazar/auto_correct_index/index/segments_5"))):
6 (needs to be between 7 and 9). *This version of Lucene only supports indexes created with
release 6.0 and later.*
>>>      at org.apache.lucene.codecs.CodecUtil.checkHeaderNoMagic(CodecUtil.java:213)
>>>      at org.apache.lucene.index.SegmentInfos.readCommit(SegmentInfos.java:305)
>>>      at org.apache.lucene.index.SegmentInfos.readCommit(SegmentInfos.java:289)
>>>      at org.apache.lucene.index.StandardDirectoryReader$1.doBody(StandardDirectoryReader.java:64)
>>>      at org.apache.lucene.index.StandardDirectoryReader$1.doBody(StandardDirectoryReader.java:61)
>>>      at org.apache.lucene.index.SegmentInfos$FindSegmentsFile.run(SegmentInfos.java:680)
>>>      at org.apache.lucene.index.StandardDirectoryReader.open(StandardDirectoryReader.java:84)
>>>      at org.apache.lucene.index.DirectoryReader.open(DirectoryReader.java:76)
>>>      at org.apache.lucene.index.DirectoryReader.open(DirectoryReader.java:64)
>>>
>>> .... (this should be enough for the trace)
>>>


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