[ 
https://issues.apache.org/jira/browse/SOLR-13487?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Jan Høydahl resolved SOLR-13487.
--------------------------------
    Resolution: Invalid

Please ask questions like this on the solr-user mailing list 
[https://lucene.apache.org/solr/community.html#mailing-lists-irc] and not in 
Jira issues. Jira is to report bugs in the code.

Note that you'll probably need to re-index from scratch due to changes in 8.0, 
see 
[https://builds.apache.org/view/L/view/Lucene/job/Solr-reference-guide-8.0/javadoc/indexupgrader-tool.html]
 :

{quote}
If you are currently using a release two or more major versions older, such as 
moving from Solr 6x to Solr 8x, you will need to reindex your content.
{quote}

> Unable to upgrade Lucene 6.x index using IndexUpgrader
> ------------------------------------------------------
>
>                 Key: SOLR-13487
>                 URL: https://issues.apache.org/jira/browse/SOLR-13487
>             Project: Solr
>          Issue Type: Bug
>      Security Level: Public(Default Security Level. Issues are Public) 
>          Components: scripts and tools, SolrCloud
>    Affects Versions: 7.7.1, 8.1
>            Reporter: Henrik
>            Priority: Major
>              Labels: CheckIndex, IndexUpgrader, index, upgrade
>
> I'm trying to upgrade a index from Lucene 6.x to 7.x, and then to 8.x, using 
> IndexUpgrader [1].  But it never successfully upgrades to 7, and I cannot 
> figure out why.
> I've also tried using CheckIndex [2] with the -exorcise option to fix the 
> index first, but that doesn't help.
> [1] https://lucene.apache.org/solr/guide/7_7/indexupgrader-tool.html
> [2] 
> https://lucene.apache.org/core/7_1_0/core/org/apache/lucene/index/CheckIndex.html#main-java.lang.String:A-
> {code}
> user@dev-appsolr2535:/home/user> java -cp 
> '/opt/common/apps/apache-solr-7.7.1/server/solr-webapp/webapp/WEB-INF/lib/*' 
> org.apache.lucene.index.IndexUpgrader -delete-prior-commits -verbose 
> /opt/user/solr5-prog-fhh-storage-solr/solr/prog-fhh-storage-solr_shard4_replica_n259/data/index
> IFD 0 [2019-05-22T09:24:14.317Z; main]: init: current segments file is 
> "segments_505t"; 
> deletionPolicy=org.apache.lucene.index.KeepOnlyLastCommitDeletionPolicy@29774679
> IFD 0 [2019-05-22T09:24:14.336Z; main]: init: load commit "segments_505t"
> IFD 0 [2019-05-22T09:24:14.346Z; main]: init: seg=_11nw3 set 
> nextWriteFieldInfosGen=134 vs current=1
> IFD 0 [2019-05-22T09:24:14.347Z; main]: init: seg=_11nw3 set 
> nextWriteDocValuesGen=134 vs current=1
> IFD 0 [2019-05-22T09:24:14.358Z; main]: now checkpoint 
> "_11nw3(7.7.1):C16557/1395:[diagnostics={os=Linux, java.vendor=AdoptOpenJDK, 
> java.version=11.0.1, java.vm.version=11.0.1+13, lucene.version=7.7.1, 
> mergeMaxNumSegments=-1, os.arch=amd64, java.runtime.version=11.0.1+13, 
> source=merge, mergeFactor=10, os.version=3.16.0-5-amd64, 
> timestamp=1558499119537}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]:delGen=133
>  _11o9p(7.7.1):c798:[diagnostics={os=Linux, java.vendor=AdoptOpenJDK, 
> java.version=11.0.1, java.vm.version=11.0.1+13, lucene.version=7.7.1, 
> mergeMaxNumSegments=-1, os.arch=amd64, java.runtime.version=11.0.1+13, 
> source=merge, mergeFactor=10, os.version=3.16.0-5-amd64, 
> timestamp=1558507559781}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]
>  _11o9z(7.7.1):c797:[diagnostics={os=Linux, java.vendor=AdoptOpenJDK, 
> java.version=11.0.1, java.vm.version=11.0.1+13, lucene.version=7.7.1, 
> mergeMaxNumSegments=-1, os.arch=amd64, java.runtime.version=11.0.1+13, 
> source=merge, mergeFactor=10, os.version=3.16.0-5-amd64, 
> timestamp=1558507739341}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]
>  _11oa0(7.7.1):C1:[diagnostics={java.runtime.version=11.0.1+13, 
> java.vendor=AdoptOpenJDK, java.version=11.0.1, java.vm.version=11.0.1+13, 
> lucene.version=7.7.1, os=Linux, os.arch=amd64, os.version=3.16.0-5-amd64, 
> source=flush, 
> timestamp=1558507750723}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]
>  _11oa1(7.7.1):C2:[diagnostics={java.runtime.version=11.0.1+13, 
> java.vendor=AdoptOpenJDK, java.version=11.0.1, java.vm.version=11.0.1+13, 
> lucene.version=7.7.1, os=Linux, os.arch=amd64, os.version=3.16.0-5-amd64, 
> source=flush, 
> timestamp=1558507812631}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]"
>  [5 segments ; isCommit = false]
> IFD 0 [2019-05-22T09:24:14.358Z; main]: 11 msec to checkpoint
> IW 0 [2019-05-22T09:24:14.359Z; main]: init: create=false reader=null
> IW 0 [2019-05-22T09:24:14.362Z; main]: 
> dir=MMapDirectory@/opt/user/solr5-prog-fhh-storage-solr/solr/prog-fhh-storage-solr_shard4_replica_n259/data/index
>  lockFactory=org.apache.lucene.store.NativeFSLockFactory@14bf9759
> index=_11nw3(7.7.1):C16557/1395:[diagnostics={os=Linux, 
> java.vendor=AdoptOpenJDK, java.version=11.0.1, java.vm.version=11.0.1+13, 
> lucene.version=7.7.1, mergeMaxNumSegments=-1, os.arch=amd64, 
> java.runtime.version=11.0.1+13, source=merge, mergeFactor=10, 
> os.version=3.16.0-5-amd64, 
> timestamp=1558499119537}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]:delGen=133
>  _11o9p(7.7.1):c798:[diagnostics={os=Linux, java.vendor=AdoptOpenJDK, 
> java.version=11.0.1, java.vm.version=11.0.1+13, lucene.version=7.7.1, 
> mergeMaxNumSegments=-1, os.arch=amd64, java.runtime.version=11.0.1+13, 
> source=merge, mergeFactor=10, os.version=3.16.0-5-amd64, 
> timestamp=1558507559781}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]
>  _11o9z(7.7.1):c797:[diagnostics={os=Linux, java.vendor=AdoptOpenJDK, 
> java.version=11.0.1, java.vm.version=11.0.1+13, lucene.version=7.7.1, 
> mergeMaxNumSegments=-1, os.arch=amd64, java.runtime.version=11.0.1+13, 
> source=merge, mergeFactor=10, os.version=3.16.0-5-amd64, 
> timestamp=1558507739341}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]
>  _11oa0(7.7.1):C1:[diagnostics={java.runtime.version=11.0.1+13, 
> java.vendor=AdoptOpenJDK, java.version=11.0.1, java.vm.version=11.0.1+13, 
> lucene.version=7.7.1, os=Linux, os.arch=amd64, os.version=3.16.0-5-amd64, 
> source=flush, 
> timestamp=1558507750723}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]
>  _11oa1(7.7.1):C2:[diagnostics={java.runtime.version=11.0.1+13, 
> java.vendor=AdoptOpenJDK, java.version=11.0.1, java.vm.version=11.0.1+13, 
> lucene.version=7.7.1, os=Linux, os.arch=amd64, os.version=3.16.0-5-amd64, 
> source=flush, 
> timestamp=1558507812631}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]
> version=7.7.1
> analyzer=null
> ramBufferSizeMB=16.0
> maxBufferedDocs=-1
> mergedSegmentWarmer=null
> delPolicy=org.apache.lucene.index.KeepOnlyLastCommitDeletionPolicy
> commit=null
> openMode=CREATE_OR_APPEND
> similarity=org.apache.lucene.search.similarities.BM25Similarity
> mergeScheduler=ConcurrentMergeScheduler: maxThreadCount=-1, maxMergeCount=-1, 
> ioThrottle=true
> codec=Lucene70
> infoStream=org.apache.lucene.util.PrintStreamInfoStream
> mergePolicy=UpgradeIndexMergePolicy([TieredMergePolicy: maxMergeAtOnce=10, 
> maxMergeAtOnceExplicit=30, maxMergedSegmentMB=5120.0, floorSegmentMB=2.0, 
> forceMergeDeletesPctAllowed=10.0, segmentsPerTier=10.0, 
> maxCFSSegmentSizeMB=8.796093022207999E12, noCFSRatio=0.1, 
> deletesPctAllowed=33.0)
> indexerThreadPool=org.apache.lucene.index.DocumentsWriterPerThreadPool@5f341870
> readerPooling=true
> perThreadHardLimitMB=1945
> useCompoundFile=true
> commitOnClose=true
> indexSort=null
> checkPendingFlushOnUpdate=true
> softDeletesField=null
> writer=org.apache.lucene.index.IndexWriter@553f17c
> IW 0 [2019-05-22T09:24:14.363Z; main]: MMapDirectory.UNMAP_SUPPORTED=true
> IndexUpgrader 0 [2019-05-22T09:24:14.363Z; main]: Upgrading all pre-7.7.1 
> segments of index directory 
> 'MMapDirectory@/opt/user/solr5-prog-fhh-storage-solr/solr/prog-fhh-storage-solr_shard4_replica_n259/data/index
>  lockFactory=org.apache.lucene.store.NativeFSLockFactory@14bf9759' to version 
> 7.7.1...
> IW 0 [2019-05-22T09:24:14.364Z; main]: forceMerge: index now 
> _11nw3(7.7.1):C16557/1395:[diagnostics={os=Linux, java.vendor=AdoptOpenJDK, 
> java.version=11.0.1, java.vm.version=11.0.1+13, lucene.version=7.7.1, 
> mergeMaxNumSegments=-1, os.arch=amd64, java.runtime.version=11.0.1+13, 
> source=merge, mergeFactor=10, os.version=3.16.0-5-amd64, 
> timestamp=1558499119537}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]:delGen=133
>  _11o9p(7.7.1):c798:[diagnostics={os=Linux, java.vendor=AdoptOpenJDK, 
> java.version=11.0.1, java.vm.version=11.0.1+13, lucene.version=7.7.1, 
> mergeMaxNumSegments=-1, os.arch=amd64, java.runtime.version=11.0.1+13, 
> source=merge, mergeFactor=10, os.version=3.16.0-5-amd64, 
> timestamp=1558507559781}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]
>  _11o9z(7.7.1):c797:[diagnostics={os=Linux, java.vendor=AdoptOpenJDK, 
> java.version=11.0.1, java.vm.version=11.0.1+13, lucene.version=7.7.1, 
> mergeMaxNumSegments=-1, os.arch=amd64, java.runtime.version=11.0.1+13, 
> source=merge, mergeFactor=10, os.version=3.16.0-5-amd64, 
> timestamp=1558507739341}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]
>  _11oa0(7.7.1):C1:[diagnostics={java.runtime.version=11.0.1+13, 
> java.vendor=AdoptOpenJDK, java.version=11.0.1, java.vm.version=11.0.1+13, 
> lucene.version=7.7.1, os=Linux, os.arch=amd64, os.version=3.16.0-5-amd64, 
> source=flush, 
> timestamp=1558507750723}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]
>  _11oa1(7.7.1):C2:[diagnostics={java.runtime.version=11.0.1+13, 
> java.vendor=AdoptOpenJDK, java.version=11.0.1, java.vm.version=11.0.1+13, 
> lucene.version=7.7.1, os=Linux, os.arch=amd64, os.version=3.16.0-5-amd64, 
> source=flush, 
> timestamp=1558507812631}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]
> IW 0 [2019-05-22T09:24:14.364Z; main]: now flush at forceMerge
> IW 0 [2019-05-22T09:24:14.364Z; main]:   start flush: applyAllDeletes=true
> IW 0 [2019-05-22T09:24:14.365Z; main]:   index before flush 
> _11nw3(7.7.1):C16557/1395:[diagnostics={os=Linux, java.vendor=AdoptOpenJDK, 
> java.version=11.0.1, java.vm.version=11.0.1+13, lucene.version=7.7.1, 
> mergeMaxNumSegments=-1, os.arch=amd64, java.runtime.version=11.0.1+13, 
> source=merge, mergeFactor=10, os.version=3.16.0-5-amd64, 
> timestamp=1558499119537}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]:delGen=133
>  _11o9p(7.7.1):c798:[diagnostics={os=Linux, java.vendor=AdoptOpenJDK, 
> java.version=11.0.1, java.vm.version=11.0.1+13, lucene.version=7.7.1, 
> mergeMaxNumSegments=-1, os.arch=amd64, java.runtime.version=11.0.1+13, 
> source=merge, mergeFactor=10, os.version=3.16.0-5-amd64, 
> timestamp=1558507559781}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]
>  _11o9z(7.7.1):c797:[diagnostics={os=Linux, java.vendor=AdoptOpenJDK, 
> java.version=11.0.1, java.vm.version=11.0.1+13, lucene.version=7.7.1, 
> mergeMaxNumSegments=-1, os.arch=amd64, java.runtime.version=11.0.1+13, 
> source=merge, mergeFactor=10, os.version=3.16.0-5-amd64, 
> timestamp=1558507739341}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]
>  _11oa0(7.7.1):C1:[diagnostics={java.runtime.version=11.0.1+13, 
> java.vendor=AdoptOpenJDK, java.version=11.0.1, java.vm.version=11.0.1+13, 
> lucene.version=7.7.1, os=Linux, os.arch=amd64, os.version=3.16.0-5-amd64, 
> source=flush, 
> timestamp=1558507750723}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]
>  _11oa1(7.7.1):C2:[diagnostics={java.runtime.version=11.0.1+13, 
> java.vendor=AdoptOpenJDK, java.version=11.0.1, java.vm.version=11.0.1+13, 
> lucene.version=7.7.1, os=Linux, os.arch=amd64, os.version=3.16.0-5-amd64, 
> source=flush, 
> timestamp=1558507812631}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]
> DW 0 [2019-05-22T09:24:14.365Z; main]: startFullFlush
> DW 0 [2019-05-22T09:24:14.367Z; main]: main finishFullFlush success=true
> IW 0 [2019-05-22T09:24:14.367Z; main]: now apply all deletes for all segments 
> buffered updates bytesUsed=0 reader pool bytesUsed=0
> BD 0 [2019-05-22T09:24:14.367Z; main]: waitApply: no deletes to apply
> MP 0 [2019-05-22T09:24:14.368Z; main]: findForcedMerges: segmentsToUpgrade={}
> MS 0 [2019-05-22T09:24:14.371Z; main]: initDynamicDefaults spins=true 
> maxThreadCount=1 maxMergeCount=6
> MS 0 [2019-05-22T09:24:14.372Z; main]: now merge
> MS 0 [2019-05-22T09:24:14.372Z; main]:   index: 
> _11nw3(7.7.1):C16557/1395:[diagnostics={os=Linux, java.vendor=AdoptOpenJDK, 
> java.version=11.0.1, java.vm.version=11.0.1+13, lucene.version=7.7.1, 
> mergeMaxNumSegments=-1, os.arch=amd64, java.runtime.version=11.0.1+13, 
> source=merge, mergeFactor=10, os.version=3.16.0-5-amd64, 
> timestamp=1558499119537}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]:delGen=133
>  _11o9p(7.7.1):c798:[diagnostics={os=Linux, java.vendor=AdoptOpenJDK, 
> java.version=11.0.1, java.vm.version=11.0.1+13, lucene.version=7.7.1, 
> mergeMaxNumSegments=-1, os.arch=amd64, java.runtime.version=11.0.1+13, 
> source=merge, mergeFactor=10, os.version=3.16.0-5-amd64, 
> timestamp=1558507559781}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]
>  _11o9z(7.7.1):c797:[diagnostics={os=Linux, java.vendor=AdoptOpenJDK, 
> java.version=11.0.1, java.vm.version=11.0.1+13, lucene.version=7.7.1, 
> mergeMaxNumSegments=-1, os.arch=amd64, java.runtime.version=11.0.1+13, 
> source=merge, mergeFactor=10, os.version=3.16.0-5-amd64, 
> timestamp=1558507739341}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]
>  _11oa0(7.7.1):C1:[diagnostics={java.runtime.version=11.0.1+13, 
> java.vendor=AdoptOpenJDK, java.version=11.0.1, java.vm.version=11.0.1+13, 
> lucene.version=7.7.1, os=Linux, os.arch=amd64, os.version=3.16.0-5-amd64, 
> source=flush, 
> timestamp=1558507750723}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]
>  _11oa1(7.7.1):C2:[diagnostics={java.runtime.version=11.0.1+13, 
> java.vendor=AdoptOpenJDK, java.version=11.0.1, java.vm.version=11.0.1+13, 
> lucene.version=7.7.1, os=Linux, os.arch=amd64, os.version=3.16.0-5-amd64, 
> source=flush, 
> timestamp=1558507812631}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]
> MS 0 [2019-05-22T09:24:14.372Z; main]:   no more merges pending; now return
> IndexUpgrader 0 [2019-05-22T09:24:14.372Z; main]: All segments upgraded to 
> version 7.7.1
> IndexUpgrader 0 [2019-05-22T09:24:14.373Z; main]: Enforcing commit to rewrite 
> all index metadata...
> IW 0 [2019-05-22T09:24:14.373Z; main]: commit: start
> IW 0 [2019-05-22T09:24:14.373Z; main]: commit: enter lock
> IW 0 [2019-05-22T09:24:14.373Z; main]: commit: now prepare
> IW 0 [2019-05-22T09:24:14.373Z; main]: prepareCommit: flush
> IW 0 [2019-05-22T09:24:14.374Z; main]:   index before flush 
> _11nw3(7.7.1):C16557/1395:[diagnostics={os=Linux, java.vendor=AdoptOpenJDK, 
> java.version=11.0.1, java.vm.version=11.0.1+13, lucene.version=7.7.1, 
> mergeMaxNumSegments=-1, os.arch=amd64, java.runtime.version=11.0.1+13, 
> source=merge, mergeFactor=10, os.version=3.16.0-5-amd64, 
> timestamp=1558499119537}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]:delGen=133
>  _11o9p(7.7.1):c798:[diagnostics={os=Linux, java.vendor=AdoptOpenJDK, 
> java.version=11.0.1, java.vm.version=11.0.1+13, lucene.version=7.7.1, 
> mergeMaxNumSegments=-1, os.arch=amd64, java.runtime.version=11.0.1+13, 
> source=merge, mergeFactor=10, os.version=3.16.0-5-amd64, 
> timestamp=1558507559781}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]
>  _11o9z(7.7.1):c797:[diagnostics={os=Linux, java.vendor=AdoptOpenJDK, 
> java.version=11.0.1, java.vm.version=11.0.1+13, lucene.version=7.7.1, 
> mergeMaxNumSegments=-1, os.arch=amd64, java.runtime.version=11.0.1+13, 
> source=merge, mergeFactor=10, os.version=3.16.0-5-amd64, 
> timestamp=1558507739341}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]
>  _11oa0(7.7.1):C1:[diagnostics={java.runtime.version=11.0.1+13, 
> java.vendor=AdoptOpenJDK, java.version=11.0.1, java.vm.version=11.0.1+13, 
> lucene.version=7.7.1, os=Linux, os.arch=amd64, os.version=3.16.0-5-amd64, 
> source=flush, 
> timestamp=1558507750723}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]
>  _11oa1(7.7.1):C2:[diagnostics={java.runtime.version=11.0.1+13, 
> java.vendor=AdoptOpenJDK, java.version=11.0.1, java.vm.version=11.0.1+13, 
> lucene.version=7.7.1, os=Linux, os.arch=amd64, os.version=3.16.0-5-amd64, 
> source=flush, 
> timestamp=1558507812631}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]
> DW 0 [2019-05-22T09:24:14.374Z; main]: startFullFlush
> IW 0 [2019-05-22T09:24:14.374Z; main]: now apply all deletes for all segments 
> buffered updates bytesUsed=0 reader pool bytesUsed=0
> BD 0 [2019-05-22T09:24:14.375Z; main]: waitApply: no deletes to apply
> DW 0 [2019-05-22T09:24:14.375Z; main]: main finishFullFlush success=true
> IW 0 [2019-05-22T09:24:14.375Z; main]: startCommit(): start
> IW 0 [2019-05-22T09:24:14.376Z; main]: startCommit 
> index=_11nw3(7.7.1):C16557/1395:[diagnostics={os=Linux, 
> java.vendor=AdoptOpenJDK, java.version=11.0.1, java.vm.version=11.0.1+13, 
> lucene.version=7.7.1, mergeMaxNumSegments=-1, os.arch=amd64, 
> java.runtime.version=11.0.1+13, source=merge, mergeFactor=10, 
> os.version=3.16.0-5-amd64, 
> timestamp=1558499119537}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]:delGen=133
>  _11o9p(7.7.1):c798:[diagnostics={os=Linux, java.vendor=AdoptOpenJDK, 
> java.version=11.0.1, java.vm.version=11.0.1+13, lucene.version=7.7.1, 
> mergeMaxNumSegments=-1, os.arch=amd64, java.runtime.version=11.0.1+13, 
> source=merge, mergeFactor=10, os.version=3.16.0-5-amd64, 
> timestamp=1558507559781}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]
>  _11o9z(7.7.1):c797:[diagnostics={os=Linux, java.vendor=AdoptOpenJDK, 
> java.version=11.0.1, java.vm.version=11.0.1+13, lucene.version=7.7.1, 
> mergeMaxNumSegments=-1, os.arch=amd64, java.runtime.version=11.0.1+13, 
> source=merge, mergeFactor=10, os.version=3.16.0-5-amd64, 
> timestamp=1558507739341}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]
>  _11oa0(7.7.1):C1:[diagnostics={java.runtime.version=11.0.1+13, 
> java.vendor=AdoptOpenJDK, java.version=11.0.1, java.vm.version=11.0.1+13, 
> lucene.version=7.7.1, os=Linux, os.arch=amd64, os.version=3.16.0-5-amd64, 
> source=flush, 
> timestamp=1558507750723}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]
>  _11oa1(7.7.1):C2:[diagnostics={java.runtime.version=11.0.1+13, 
> java.vendor=AdoptOpenJDK, java.version=11.0.1, java.vm.version=11.0.1+13, 
> lucene.version=7.7.1, os=Linux, os.arch=amd64, os.version=3.16.0-5-amd64, 
> source=flush, 
> timestamp=1558507812631}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]
>  changeCount=2
> IW 0 [2019-05-22T09:24:14.382Z; main]: startCommit: wrote pending segments 
> file "pending_segments_505u"
> IW 0 [2019-05-22T09:24:14.387Z; main]: done all syncs: [_11oa0.si, 
> _11oa0.fdx, _11nw3_3p.liv, _11oa0_Lucene50_0.doc, _11nw3.nvd, _11oa0.fdt, 
> _11oa1_Lucene50_0.doc, _11nw3.si, _11o9p.cfe, _11nw3_Lucene50_0.pos, 
> _11oa1.fdx, _11nw3_Lucene50_0.tim, _11nw3_Lucene50_0.tip, _11oa1.fdt, 
> _11nw3.fdx, _11oa0_Lucene50_0.pos, _11oa1.fnm, _11oa1.nvm, _11oa1.si, 
> _11nw3.fdt, _11o9p.cfs, _11oa0.nvd, _11o9z.si, _11o9z.cfs, 
> _11oa0_Lucene50_0.tim, _11o9p.si, _11oa0_Lucene50_0.tip, 
> _11oa1_Lucene50_0.tim, _11nw3.fnm, _11nw3.nvm, _11oa1_Lucene50_0.pos, 
> _11oa1.nvd, _11o9z.cfe, _11oa1_Lucene50_0.tip, _11nw3_Lucene50_0.doc, 
> _11oa0.fnm, _11oa0.nvm]
> IW 0 [2019-05-22T09:24:14.388Z; main]: commit: pendingCommit != null
> IW 0 [2019-05-22T09:24:14.389Z; main]: commit: done writing segments file 
> "segments_505u"
> IFD 0 [2019-05-22T09:24:14.390Z; main]: now checkpoint 
> "_11nw3(7.7.1):C16557/1395:[diagnostics={os=Linux, java.vendor=AdoptOpenJDK, 
> java.version=11.0.1, java.vm.version=11.0.1+13, lucene.version=7.7.1, 
> mergeMaxNumSegments=-1, os.arch=amd64, java.runtime.version=11.0.1+13, 
> source=merge, mergeFactor=10, os.version=3.16.0-5-amd64, 
> timestamp=1558499119537}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]:delGen=133
>  _11o9p(7.7.1):c798:[diagnostics={os=Linux, java.vendor=AdoptOpenJDK, 
> java.version=11.0.1, java.vm.version=11.0.1+13, lucene.version=7.7.1, 
> mergeMaxNumSegments=-1, os.arch=amd64, java.runtime.version=11.0.1+13, 
> source=merge, mergeFactor=10, os.version=3.16.0-5-amd64, 
> timestamp=1558507559781}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]
>  _11o9z(7.7.1):c797:[diagnostics={os=Linux, java.vendor=AdoptOpenJDK, 
> java.version=11.0.1, java.vm.version=11.0.1+13, lucene.version=7.7.1, 
> mergeMaxNumSegments=-1, os.arch=amd64, java.runtime.version=11.0.1+13, 
> source=merge, mergeFactor=10, os.version=3.16.0-5-amd64, 
> timestamp=1558507739341}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]
>  _11oa0(7.7.1):C1:[diagnostics={java.runtime.version=11.0.1+13, 
> java.vendor=AdoptOpenJDK, java.version=11.0.1, java.vm.version=11.0.1+13, 
> lucene.version=7.7.1, os=Linux, os.arch=amd64, os.version=3.16.0-5-amd64, 
> source=flush, 
> timestamp=1558507750723}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]
>  _11oa1(7.7.1):C2:[diagnostics={java.runtime.version=11.0.1+13, 
> java.vendor=AdoptOpenJDK, java.version=11.0.1, java.vm.version=11.0.1+13, 
> lucene.version=7.7.1, os=Linux, os.arch=amd64, os.version=3.16.0-5-amd64, 
> source=flush, 
> timestamp=1558507812631}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]"
>  [5 segments ; isCommit = true]
> IFD 0 [2019-05-22T09:24:14.390Z; main]: deleteCommits: now decRef commit 
> "segments_505t"
> IFD 0 [2019-05-22T09:24:14.391Z; main]: delete [segments_505t]
> IFD 0 [2019-05-22T09:24:14.391Z; main]: 1 msec to checkpoint
> IW 0 [2019-05-22T09:24:14.400Z; main]: commit: took 18.0 msec
> IW 0 [2019-05-22T09:24:14.401Z; main]: commit: done
> IndexUpgrader 0 [2019-05-22T09:24:14.401Z; main]: Committed upgraded metadata 
> to index.
> IW 0 [2019-05-22T09:24:14.401Z; main]: now flush at close
> IW 0 [2019-05-22T09:24:14.401Z; main]:   start flush: applyAllDeletes=true
> IW 0 [2019-05-22T09:24:14.401Z; main]:   index before flush 
> _11nw3(7.7.1):C16557/1395:[diagnostics={os=Linux, java.vendor=AdoptOpenJDK, 
> java.version=11.0.1, java.vm.version=11.0.1+13, lucene.version=7.7.1, 
> mergeMaxNumSegments=-1, os.arch=amd64, java.runtime.version=11.0.1+13, 
> source=merge, mergeFactor=10, os.version=3.16.0-5-amd64, 
> timestamp=1558499119537}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]:delGen=133
>  _11o9p(7.7.1):c798:[diagnostics={os=Linux, java.vendor=AdoptOpenJDK, 
> java.version=11.0.1, java.vm.version=11.0.1+13, lucene.version=7.7.1, 
> mergeMaxNumSegments=-1, os.arch=amd64, java.runtime.version=11.0.1+13, 
> source=merge, mergeFactor=10, os.version=3.16.0-5-amd64, 
> timestamp=1558507559781}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]
>  _11o9z(7.7.1):c797:[diagnostics={os=Linux, java.vendor=AdoptOpenJDK, 
> java.version=11.0.1, java.vm.version=11.0.1+13, lucene.version=7.7.1, 
> mergeMaxNumSegments=-1, os.arch=amd64, java.runtime.version=11.0.1+13, 
> source=merge, mergeFactor=10, os.version=3.16.0-5-amd64, 
> timestamp=1558507739341}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]
>  _11oa0(7.7.1):C1:[diagnostics={java.runtime.version=11.0.1+13, 
> java.vendor=AdoptOpenJDK, java.version=11.0.1, java.vm.version=11.0.1+13, 
> lucene.version=7.7.1, os=Linux, os.arch=amd64, os.version=3.16.0-5-amd64, 
> source=flush, 
> timestamp=1558507750723}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]
>  _11oa1(7.7.1):C2:[diagnostics={java.runtime.version=11.0.1+13, 
> java.vendor=AdoptOpenJDK, java.version=11.0.1, java.vm.version=11.0.1+13, 
> lucene.version=7.7.1, os=Linux, os.arch=amd64, os.version=3.16.0-5-amd64, 
> source=flush, 
> timestamp=1558507812631}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]
> DW 0 [2019-05-22T09:24:14.402Z; main]: startFullFlush
> DW 0 [2019-05-22T09:24:14.402Z; main]: main finishFullFlush success=true
> IW 0 [2019-05-22T09:24:14.402Z; main]: now apply all deletes for all segments 
> buffered updates bytesUsed=0 reader pool bytesUsed=0
> BD 0 [2019-05-22T09:24:14.402Z; main]: waitApply: no deletes to apply
> MS 0 [2019-05-22T09:24:14.403Z; main]: updateMergeThreads ioThrottle=true 
> targetMBPerSec=10240.0 MB/sec
> MS 0 [2019-05-22T09:24:14.403Z; main]: now merge
> MS 0 [2019-05-22T09:24:14.403Z; main]:   index: 
> _11nw3(7.7.1):C16557/1395:[diagnostics={os=Linux, java.vendor=AdoptOpenJDK, 
> java.version=11.0.1, java.vm.version=11.0.1+13, lucene.version=7.7.1, 
> mergeMaxNumSegments=-1, os.arch=amd64, java.runtime.version=11.0.1+13, 
> source=merge, mergeFactor=10, os.version=3.16.0-5-amd64, 
> timestamp=1558499119537}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]:delGen=133
>  _11o9p(7.7.1):c798:[diagnostics={os=Linux, java.vendor=AdoptOpenJDK, 
> java.version=11.0.1, java.vm.version=11.0.1+13, lucene.version=7.7.1, 
> mergeMaxNumSegments=-1, os.arch=amd64, java.runtime.version=11.0.1+13, 
> source=merge, mergeFactor=10, os.version=3.16.0-5-amd64, 
> timestamp=1558507559781}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]
>  _11o9z(7.7.1):c797:[diagnostics={os=Linux, java.vendor=AdoptOpenJDK, 
> java.version=11.0.1, java.vm.version=11.0.1+13, lucene.version=7.7.1, 
> mergeMaxNumSegments=-1, os.arch=amd64, java.runtime.version=11.0.1+13, 
> source=merge, mergeFactor=10, os.version=3.16.0-5-amd64, 
> timestamp=1558507739341}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]
>  _11oa0(7.7.1):C1:[diagnostics={java.runtime.version=11.0.1+13, 
> java.vendor=AdoptOpenJDK, java.version=11.0.1, java.vm.version=11.0.1+13, 
> lucene.version=7.7.1, os=Linux, os.arch=amd64, os.version=3.16.0-5-amd64, 
> source=flush, 
> timestamp=1558507750723}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]
>  _11oa1(7.7.1):C2:[diagnostics={java.runtime.version=11.0.1+13, 
> java.vendor=AdoptOpenJDK, java.version=11.0.1, java.vm.version=11.0.1+13, 
> lucene.version=7.7.1, os=Linux, os.arch=amd64, os.version=3.16.0-5-amd64, 
> source=flush, 
> timestamp=1558507812631}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]
> MS 0 [2019-05-22T09:24:14.404Z; main]:   no more merges pending; now return
> IW 0 [2019-05-22T09:24:14.404Z; main]: waitForMerges
> IW 0 [2019-05-22T09:24:14.404Z; main]: waitForMerges done
> IW 0 [2019-05-22T09:24:14.404Z; main]: commit: start
> IW 0 [2019-05-22T09:24:14.404Z; main]: commit: enter lock
> IW 0 [2019-05-22T09:24:14.404Z; main]: commit: now prepare
> IW 0 [2019-05-22T09:24:14.405Z; main]: prepareCommit: flush
> IW 0 [2019-05-22T09:24:14.405Z; main]:   index before flush 
> _11nw3(7.7.1):C16557/1395:[diagnostics={os=Linux, java.vendor=AdoptOpenJDK, 
> java.version=11.0.1, java.vm.version=11.0.1+13, lucene.version=7.7.1, 
> mergeMaxNumSegments=-1, os.arch=amd64, java.runtime.version=11.0.1+13, 
> source=merge, mergeFactor=10, os.version=3.16.0-5-amd64, 
> timestamp=1558499119537}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]:delGen=133
>  _11o9p(7.7.1):c798:[diagnostics={os=Linux, java.vendor=AdoptOpenJDK, 
> java.version=11.0.1, java.vm.version=11.0.1+13, lucene.version=7.7.1, 
> mergeMaxNumSegments=-1, os.arch=amd64, java.runtime.version=11.0.1+13, 
> source=merge, mergeFactor=10, os.version=3.16.0-5-amd64, 
> timestamp=1558507559781}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]
>  _11o9z(7.7.1):c797:[diagnostics={os=Linux, java.vendor=AdoptOpenJDK, 
> java.version=11.0.1, java.vm.version=11.0.1+13, lucene.version=7.7.1, 
> mergeMaxNumSegments=-1, os.arch=amd64, java.runtime.version=11.0.1+13, 
> source=merge, mergeFactor=10, os.version=3.16.0-5-amd64, 
> timestamp=1558507739341}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]
>  _11oa0(7.7.1):C1:[diagnostics={java.runtime.version=11.0.1+13, 
> java.vendor=AdoptOpenJDK, java.version=11.0.1, java.vm.version=11.0.1+13, 
> lucene.version=7.7.1, os=Linux, os.arch=amd64, os.version=3.16.0-5-amd64, 
> source=flush, 
> timestamp=1558507750723}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]
>  _11oa1(7.7.1):C2:[diagnostics={java.runtime.version=11.0.1+13, 
> java.vendor=AdoptOpenJDK, java.version=11.0.1, java.vm.version=11.0.1+13, 
> lucene.version=7.7.1, os=Linux, os.arch=amd64, os.version=3.16.0-5-amd64, 
> source=flush, 
> timestamp=1558507812631}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]
> DW 0 [2019-05-22T09:24:14.405Z; main]: startFullFlush
> IW 0 [2019-05-22T09:24:14.405Z; main]: now apply all deletes for all segments 
> buffered updates bytesUsed=0 reader pool bytesUsed=0
> BD 0 [2019-05-22T09:24:14.406Z; main]: waitApply: no deletes to apply
> DW 0 [2019-05-22T09:24:14.406Z; main]: main finishFullFlush success=true
> IW 0 [2019-05-22T09:24:14.406Z; main]: startCommit(): start
> IW 0 [2019-05-22T09:24:14.406Z; main]:   skip startCommit(): no changes 
> pending
> IW 0 [2019-05-22T09:24:14.407Z; main]: commit: pendingCommit == null; skip
> IW 0 [2019-05-22T09:24:14.407Z; main]: commit: took 2.2 msec
> IW 0 [2019-05-22T09:24:14.407Z; main]: commit: done
> IW 0 [2019-05-22T09:24:14.407Z; main]: rollback
> IW 0 [2019-05-22T09:24:14.407Z; main]: all running merges have aborted
> IW 0 [2019-05-22T09:24:14.408Z; main]: rollback: done finish merges
> DW 0 [2019-05-22T09:24:14.408Z; main]: abort
> DW 0 [2019-05-22T09:24:14.408Z; main]: done abort success=true
> IW 0 [2019-05-22T09:24:14.409Z; main]: rollback: 
> infos=_11nw3(7.7.1):C16557/1395:[diagnostics={os=Linux, 
> java.vendor=AdoptOpenJDK, java.version=11.0.1, java.vm.version=11.0.1+13, 
> lucene.version=7.7.1, mergeMaxNumSegments=-1, os.arch=amd64, 
> java.runtime.version=11.0.1+13, source=merge, mergeFactor=10, 
> os.version=3.16.0-5-amd64, 
> timestamp=1558499119537}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]:delGen=133
>  _11o9p(7.7.1):c798:[diagnostics={os=Linux, java.vendor=AdoptOpenJDK, 
> java.version=11.0.1, java.vm.version=11.0.1+13, lucene.version=7.7.1, 
> mergeMaxNumSegments=-1, os.arch=amd64, java.runtime.version=11.0.1+13, 
> source=merge, mergeFactor=10, os.version=3.16.0-5-amd64, 
> timestamp=1558507559781}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]
>  _11o9z(7.7.1):c797:[diagnostics={os=Linux, java.vendor=AdoptOpenJDK, 
> java.version=11.0.1, java.vm.version=11.0.1+13, lucene.version=7.7.1, 
> mergeMaxNumSegments=-1, os.arch=amd64, java.runtime.version=11.0.1+13, 
> source=merge, mergeFactor=10, os.version=3.16.0-5-amd64, 
> timestamp=1558507739341}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]
>  _11oa0(7.7.1):C1:[diagnostics={java.runtime.version=11.0.1+13, 
> java.vendor=AdoptOpenJDK, java.version=11.0.1, java.vm.version=11.0.1+13, 
> lucene.version=7.7.1, os=Linux, os.arch=amd64, os.version=3.16.0-5-amd64, 
> source=flush, 
> timestamp=1558507750723}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]
>  _11oa1(7.7.1):C2:[diagnostics={java.runtime.version=11.0.1+13, 
> java.vendor=AdoptOpenJDK, java.version=11.0.1, java.vm.version=11.0.1+13, 
> lucene.version=7.7.1, os=Linux, os.arch=amd64, os.version=3.16.0-5-amd64, 
> source=flush, 
> timestamp=1558507812631}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]
> IFD 0 [2019-05-22T09:24:14.409Z; main]: now checkpoint 
> "_11nw3(7.7.1):C16557/1395:[diagnostics={os=Linux, java.vendor=AdoptOpenJDK, 
> java.version=11.0.1, java.vm.version=11.0.1+13, lucene.version=7.7.1, 
> mergeMaxNumSegments=-1, os.arch=amd64, java.runtime.version=11.0.1+13, 
> source=merge, mergeFactor=10, os.version=3.16.0-5-amd64, 
> timestamp=1558499119537}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]:delGen=133
>  _11o9p(7.7.1):c798:[diagnostics={os=Linux, java.vendor=AdoptOpenJDK, 
> java.version=11.0.1, java.vm.version=11.0.1+13, lucene.version=7.7.1, 
> mergeMaxNumSegments=-1, os.arch=amd64, java.runtime.version=11.0.1+13, 
> source=merge, mergeFactor=10, os.version=3.16.0-5-amd64, 
> timestamp=1558507559781}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]
>  _11o9z(7.7.1):c797:[diagnostics={os=Linux, java.vendor=AdoptOpenJDK, 
> java.version=11.0.1, java.vm.version=11.0.1+13, lucene.version=7.7.1, 
> mergeMaxNumSegments=-1, os.arch=amd64, java.runtime.version=11.0.1+13, 
> source=merge, mergeFactor=10, os.version=3.16.0-5-amd64, 
> timestamp=1558507739341}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]
>  _11oa0(7.7.1):C1:[diagnostics={java.runtime.version=11.0.1+13, 
> java.vendor=AdoptOpenJDK, java.version=11.0.1, java.vm.version=11.0.1+13, 
> lucene.version=7.7.1, os=Linux, os.arch=amd64, os.version=3.16.0-5-amd64, 
> source=flush, 
> timestamp=1558507750723}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]
>  _11oa1(7.7.1):C2:[diagnostics={java.runtime.version=11.0.1+13, 
> java.vendor=AdoptOpenJDK, java.version=11.0.1, java.vm.version=11.0.1+13, 
> lucene.version=7.7.1, os=Linux, os.arch=amd64, os.version=3.16.0-5-amd64, 
> source=flush, 
> timestamp=1558507812631}]:[attributes={Lucene50StoredFieldsFormat.mode=BEST_SPEED}]"
>  [5 segments ; isCommit = false]
> IFD 0 [2019-05-22T09:24:14.410Z; main]: 0 msec to checkpoint
> user@dev-appsolr2535:/home/user> java -cp 
> '/opt/common/apps/apache-solr-8.1.0/server/solr-webapp/webapp/WEB-INF/lib/*' 
> org.apache.lucene.index.IndexUpgrader -delete-prior-commits -verbose 
> /opt/user/solr5-prog-fhh-storage-solr/solr/prog-fhh-storage-solr_shard4_replica_n259/data/index
> IW 0 [2019-05-22T09:24:25.031Z; main]: init: hit exception on init; releasing 
> write lock
> Exception in thread "main" 
> org.apache.lucene.index.IndexFormatTooOldException: Format version is not 
> supported (resource 
> BufferedChecksumIndexInput(MMapIndexInput(path="/opt/user/solr5-prog-fhh-storage-solr/solr/prog-fhh-storage-solr_shard4_replica_n259/data/index/segments_505u"))):
>  This index was initially created with Lucene 6.x while the current version 
> is 8.1.0 and Lucene only supports reading the current and previous major 
> versions.. This version of Lucene only supports indexes created with release 
> 7.0 and later.
>       at 
> org.apache.lucene.index.SegmentInfos.readCommit(SegmentInfos.java:318)
>       at 
> org.apache.lucene.index.SegmentInfos.readCommit(SegmentInfos.java:289)
>       at org.apache.lucene.index.IndexWriter.<init>(IndexWriter.java:846)
>       at org.apache.lucene.index.IndexUpgrader.upgrade(IndexUpgrader.java:167)
>       at org.apache.lucene.index.IndexUpgrader.main(IndexUpgrader.java:78)
> {code}



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