Ah, my mistake. The merge tool apparently has to lock the index, which actually makes sense.
Best, Erick On Sat, Sep 2, 2017 at 9:08 AM, Zheng Lin Edwin Yeo <edwinye...@gmail.com> wrote: > Hi Erick, > > Thanks for your reply. > > However, I get this error when I tried to run the IndexMergeTool when Solr > is running. But the merge is successful when I stop Solr. > What could be the reason? > > Merging... > Exception in thread "main" > org.apache.lucene.store.LockObtainFailedException: Lock held by another > program: > C:\solr\collection1_shard1_replica1\data\index.20170713083232277\write.lock > at > org.apache.lucene.store.NativeFSLockFactory.obtainFSLock(NativeFSLock > Factory.java:118) > at > org.apache.lucene.store.FSLockFactory.obtainLock(FSLockFactory.java:4 > 1) > at > org.apache.lucene.store.BaseDirectory.obtainLock(BaseDirectory.java:4 > 5) > at > org.apache.lucene.store.FilterDirectory.obtainLock(FilterDirectory.ja > va:104) > at > org.apache.lucene.index.IndexWriter.acquireWriteLocks(IndexWriter.jav > a:2571) > at > org.apache.lucene.index.IndexWriter.addIndexes(IndexWriter.java:2629) > > at > org.apache.lucene.misc.IndexMergeTool.main(IndexMergeTool.java:54) > > > Regards, > Edwin > > On 1 September 2017 at 22:51, Erick Erickson <erickerick...@gmail.com> > wrote: > >> You don't have to stop solr to run the merge index tool. I would, >> however, stop _indexing_ to that Solr instance. >> >> And you probably have to reload the core (or restart the collection) >> afterwards to pick up the merged documents. >> >> Best, >> Erick >> >> On Fri, Sep 1, 2017 at 6:46 AM, Zheng Lin Edwin Yeo >> <edwinye...@gmail.com> wrote: >> > Hi, >> > >> > Just to check, are we able to run the IndexMergeTool on the index that is >> > still running on Solr? Or do we have to stop Solr first before running >> the >> > IndexMergeTool? >> > >> > Regards, >> > Edwin >> > >> > On 26 August 2017 at 23:41, Zheng Lin Edwin Yeo <edwinye...@gmail.com> >> > wrote: >> > >> >> Thanks for pointing out the mistake. The script can run after I correct >> >> the ":" to ";". >> >> >> >> However, I am getting the following error now. >> >> >> >> Merging... >> >> Exception in thread "main" org.apache.lucene.index. >> IndexNotFoundException: >> >> no se >> >> gments* file found in HardlinkCopyDirectoryWrapper(MMapDirectory@C >> :\solr\ >> >> collection1_shard1_replica1\data\in >> >> dex lockFactory=org.apache.lucene.store.NativeFSLockFactory@1ff8b8f): >> >> files: [wr >> >> ite.lock] >> >> at org.apache.lucene.index.SegmentInfos$FindSegmentsFile. >> >> run(SegmentInfo >> >> s.java:687) >> >> at org.apache.lucene.index.SegmentInfos$FindSegmentsFile. >> >> run(SegmentInfo >> >> s.java:644) >> >> at org.apache.lucene.index.SegmentInfos.readLatestCommit( >> >> SegmentInfos.ja >> >> va:450) >> >> at org.apache.lucene.index.IndexWriter.addIndexes( >> >> IndexWriter.java:2653) >> >> >> >> at org.apache.lucene.misc.IndexMergeTool.main( >> >> IndexMergeTool.java:54) >> >> >> >> >> >> This was done after I have stop Solr. What could be the issue here? >> >> >> >> Regards, >> >> Edwin >> >> >> >> On 26 August 2017 at 08:42, Leonardo Perez Pulido < >> >> leoperezpul...@gmail.com> wrote: >> >> >> >>> Hi, >> >>> Isn't the Windows classpath separator a semi-colon? Like this: >> >>> cene-core-6.5.1.jar"*;*"C:solr/serve >> >>> Just saying. >> >>> Regards. >> >>> >> >>> On Fri, Aug 25, 2017 at 8:33 PM, Zheng Lin Edwin Yeo < >> >>> edwinye...@gmail.com> >> >>> wrote: >> >>> >> >>> > Hi Erick, >> >>> > >> >>> > Thanks for your reply. >> >>> > I have check, it was not due to the typo. The same error occurs even >> >>> with >> >>> > the slash. >> >>> > >> >>> > Regards, >> >>> > Edwin >> >>> > >> >>> > On 26 August 2017 at 05:16, Erick Erickson <erickerick...@gmail.com> >> >>> > wrote: >> >>> > >> >>> > > You classpath is not correct. Unless it's a typo, >> >>> > > :"C:solr/server/solr-webapp/webapp/WEB-INF/lib/lucene- >> misc-6.5.1.jar" >> >>> > > is wrong, it should be: >> >>> > > "C:/solr/server/solr-webapp/webapp/WEB-INF/lib/lucene-misc- >> >>> 6.5.1.jar", >> >>> > > note the slash before "solr". >> >>> > > >> >>> > > If that's not just a typo you need to look further as to why the >> >>> > > classpath isn't being specified correctly. >> >>> > > >> >>> > > Best, >> >>> > > Erick >> >>> > > >> >>> > > On Thu, Aug 24, 2017 at 7:52 PM, Zheng Lin Edwin Yeo >> >>> > > <edwinye...@gmail.com> wrote: >> >>> > > > Hi, >> >>> > > > >> >>> > > > I am trying to use the IndexMergeTool to merge two indexes that >> are >> >>> > > indexed >> >>> > > > in different collections into one. Both collections have the same >> >>> > fields, >> >>> > > > and are using Parent-Child Block-Join. >> >>> > > > >> >>> > > > When I tried to run the following command as stated from the Solr >> >>> Wiki >> >>> > > > https://cwiki.apache.org/confluence/display/solr/Merging+Indexes >> >>> > > > >> >>> > > > java -cp >> >>> > > > "C:/solr/server/solr-webapp/webapp/WEB-INF/lib/lucene- >> >>> > > core-6.5.1.jar":"C:solr/server/solr-webapp/webapp/WEB- >> >>> > > INF/lib/lucene-misc-6.5.1.jar" >> >>> > > > org/apache/lucene/misc/IndexMergeTool >> >>> > > > C:/solr/collectionMerge_shard1_replica1/data/index >> >>> > > > C:/solr/collection1_shard1_replica1/data/index >> >>> > > > C:/solr/collection2_shard1_replica1/data/index >> >>> > > > >> >>> > > > I get the following error: >> >>> > > > Error: Could not find or load main class >> >>> > > > org.apache.lucene.misc.IndexMergeTool >> >>> > > > >> >>> > > > What could be causing the error? >> >>> > > > >> >>> > > > This is done on Solr 6.5.1 >> >>> > > > >> >>> > > > Regards, >> >>> > > > Edwin >> >>> > > >> >>> > >> >>> >> >> >> >> >>
