[opencms-dev] "no segments* file found" error in Solr indexes (OpenCms 16.0, Tomcat 8)
Michael Emmerich
m.emmerich at alkacon.com
Mon Jul 28 14:13:38 CEST 2025
Chema,
I guess the easiest would be to rebuild the index completely as
something seems to be broken in the index files.
So try the following:
1) Shut down the tomcat
2) Move everything from the "/[webapplication]/WEB-INF/index/" folder to
somewhere else outside the webapplication folder
-> The folder "/[webapplication]/WEB-INF/index/" is now empty
3) Restart Tomcat
-> OpenCms will create the base structure of the index files below
the "/[webapplication]/WEB-INF/index/" folder
4) Log in to the OpenCms workplace -> Launchpad -> Database -> Search
indexes
-> The configured search indexes are shown, but they are empty right
now. Use the context menu for each index to rebuild it
-> When done the search should be working again and the error should not
show up in the logfile.
Kind regards,
Michael
Am 22.07.25 um 11:57 schrieb Chema Jiménez via opencms-dev:
>
> Hi everyone,
>
> I’m running OpenCms 16.0 on Tomcat 8 under Oracle Linux, and it’s been
> stable until recently. At Tomcat startup, I now get this error when
> SOLR tries to build its indexes:
>
> 10 jul. 2025 11:40:14,805 [r: ] WARN
> [pencms.search.CmsSearchManager:2926] . Indice de búsqueda :
> Inicialización de índice "Solr Online" fallido
> org.apache.solr.common.SolrException: Error CREATEing SolrCore
> 'Solr-Online': Unable to create core [Solr-Online] Caused by: no
> segments* file found in
> LockValidatingDirectoryWrapper(MMapDirectory@/datos/tomcat/webapps/ROOT/WEB-INF/index/Solr
> Online/index
> lockFactory=org.apache.lucene.store.NoLockFactory at 170b05e): files:
> [_1s.fdm, _1s.fdt, _1s.fdx, _1s.fnm, _1s.kdd, _1s.kdi, _1s.kdm,
> _1s.nvd, _1s.nvm, _1s.si, _1s_Lucene80_0.dvd, _1s_Lucene80_0.dvm,
> _1s_Lucene84_0.doc, _1s_Lucene84_0.pos, _1s_Lucene84_0.tim,
> _1s_Lucene84_0.tip, _1s_Lucene84_0.tmd, _23.fdm, _23.fdt, _23.fdx,
> _23.fnm, _23.kdd, _23.kdi, _23.kdm, _23.nvd, _23.nvm, _23.si,
> _23_Lucene80_0.dvd, _23_Lucene80_0.dvm, _23_Lucene84_0.doc,
> _23_Lucene84_0.pos, _23_Lucene84_0.tim, _23_Lucene84_0.tip,
> _23_Lucene84_0.tmd, _6s.fdm, _6s.fdt, _6s.fdx, _6s.fnm, _6s.kdd,
> _6s.kdi, _6s.kdm, _6s.nvd, _6s.nvm, _6s.si, _6s_Lucene80_0.dvd,
> _6s_Lucene80_0.dvm, _6s_Lucene84_0.doc, _6s_Lucene84_0.pos,
> _6s_Lucene84_0.tim, _6s_Lucene84_0.tip, _6s_Lucene84_0.tmd, _72.fdm,
> _72.fdt, _72.fdx, _72.fnm, _72.kdd, _72.kdi, _72.kdm, _72.nvd,
> _72.nvm, _72.si, _72_Lucene80_0.dvd, _72_Lucene80_0.dvm,
> _72_Lucene84_0.doc, _72_Lucene84_0.pos, _72_Lucene84_0.tim,
> _72_Lucene84_0.tip, _72_Lucene84_0.tmd, _7c.fdm, _7c.fdt, _7c.fdx,
> _7c.fnm, _7c.kdd, _7c.kdi, _7c.kdm, _7c.nvd, _7c.nvm, _7c.si,
> _7c_Lucene80_0.dvd, _7c_Lucene80_0.dvm, _7c_Lucene84_0.doc,
> _7c_Lucene84_0.pos, _7c_Lucene84_0.tim, _7c_Lucene84_0.tip,
> _7c_Lucene84_0.tmd, _7k.cfe, _7k.cfs, _7k.si, _7r.fdm, _7r.fdt,
> _7r.fdx, _7r.fnm, _7r.kdd, _7r.kdi, _7r.kdm, _7r.nvd, _7r.nvm, _7r.si,
> _7r_Lucene80_0.dvd, _7r_Lucene80_0.dvm, _7r_Lucene84_0.doc,
> _7r_Lucene84_0.pos, _7r_Lucene84_0.tim, _7r_Lucene84_0.tip,
> _7r_Lucene84_0.tmd, _7v.fdm, _7v.fdt, _7v.fdx, _7v.fnm, _7v.kdd,
> _7v.kdi, _7v.kdm, _7v.nvd, _7v.nvm, _7v.si, _7v_1.liv,
> _7v_Lucene80_0.dvd, _7v_Lucene80_0.dvm, _7v_Lucene84_0.doc,
> _7v_Lucene84_0.pos, _7v_Lucene84_0.tim, _7v_Lucene84_0.tip,
> _7v_Lucene84_0.tmd, _85.cfe, _85.cfs, _85.si, _8g.cfe, _8g.cfs,
> _8g.si, _8k.fdm, _8k.fdt, _8k.fdx, _8k.fnm, _8k.kdd, _8k.kdi, _8k.kdm,
> _8k.nvd, _8k.nvm, _8k.si, _8k_Lucene80_0.dvd, _8k_Lucene80_0.dvm,
> _8k_Lucene84_0.doc, _8k_Lucene84_0.pos, _8k_Lucene84_0.tim,
> _8k_Lucene84_0.tip, _8k_Lucene84_0.tmd, _8y.cfe, _8y.cfs, _8y.si,
> _93.fdm, _93.fdt, _93.fdx, _93.fnm, _93.kdd, _93.kdi, _93.kdm,
> _93.nvd, _93.nvm, _93.si, _93_Lucene80_0.dvd, _93_Lucene80_0.dvm,
> _93_Lucene84_0.doc, _93_Lucene84_0.pos, _93_Lucene84_0.tim,
> _93_Lucene84_0.tip, _93_Lucene84_0.tmd, _99.cfe, _99.cfs, _99.si,
> _9a.fdm, _9a.fdt, _9a.fdx, _9a.fnm, _9a.kdd, _9a.kdi, _9a.kdm,
> _9a.nvd, _9a.nvm, _9a.si, _9a_Lucene80_0.dvd, _9a_Lucene80_0.dvm,
> _9a_Lucene84_0.doc, _9a_Lucene84_0.pos, _9a_Lucene84_0.tim,
> _9a_Lucene84_0.tip, _9a_Lucene84_0.tmd, _9b.fdm, _9b.fdt, _9b.fdx,
> _9b.fnm, _9b.kdd, _9b.kdi, _9b.kdm, _9b.nvd, _9b.nvm, _9b.si,
> _9b_Lucene80_0.dvd, _9b_Lucene80_0.dvm, _9b_Lucene84_0.doc,
> _9b_Lucene84_0.pos, _9b_Lucene84_0.tim, _9b_Lucene84_0.tip,
> _9b_Lucene84_0.tmd, _9c.fdm, _9c.fdt, _9c.fdx, _9c.fnm, _9c.kdd,
> _9c.kdi, _9c.kdm, _9c.nvd, _9c.nvm, _9c.si, _9c_Lucene80_0.dvd,
> _9c_Lucene80_0.dvm, _9c_Lucene84_0.doc, _9c_Lucene84_0.pos,
> _9c_Lucene84_0.tim, _9c_Lucene84_0.tip, _9c_Lucene84_0.tmd, _9d.fdm,
> _9d.fdt, _9d.fdx, _9d.fnm, _9d.kdd, _9d.kdi, _9d.kdm, _9d.nvd,
> _9d.nvm, _9d.si, _9d_Lucene80_0.dvd, _9d_Lucene80_0.dvm,
> _9d_Lucene84_0.doc, _9d_Lucene84_0.pos, _9d_Lucene84_0.tim,
> _9d_Lucene84_0.tip, _9d_Lucene84_0.tmd, _9e.fdm, _9e.fdt, _9e.fdx,
> _9e.fnm, _9e.kdd, _9e.kdi, _9e.kdm, _9e.nvd, _9e.nvm, _9e.si,
> _9e_Lucene80_0.dvd, _9e_Lucene80_0.dvm, _9e_Lucene84_0.doc,
> _9e_Lucene84_0.pos, _9e_Lucene84_0.tim, _9e_Lucene84_0.tip,
> _9e_Lucene84_0.tmd, _9f.fdm, _9f.fdt, _9f.fdx, _9f.fnm, _9f.kdd,
> _9f.kdi, _9f.kdm, _9f.nvd, _9f.nvm, _9f.si, _9f_Lucene80_0.dvd,
> _9f_Lucene80_0.dvm, _9f_Lucene84_0.doc, _9f_Lucene84_0.pos,
> _9f_Lucene84_0.tim, _9f_Lucene84_0.tip, _9f_Lucene84_0.tmd, _9h.fdm,
> _9h.fdt, _9h.fdx, _9h.fnm, _9h.kdd, _9h.kdi, _9h.kdm, _9h.nvd,
> _9h.nvm, _9h.si, _9h_Lucene80_0.dvd, _9h_Lucene80_0.dvm,
> _9h_Lucene84_0.doc, _9h_Lucene84_0.pos, _9h_Lucene84_0.tim,
> _9h_Lucene84_0.tip, _9h_Lucene84_0.tmd]
> at
> org.apache.solr.core.CoreContainer.create(CoreContainer.java:1372)
> ~[solr-core-8.11.1.jar:8.11.1 0b002b11819df70783e83ef36b42ed1223c14b50
> - janhoy - 2021-12-14 13:50:55]
> at
> org.opencms.search.CmsSearchManager.registerSolrIndex(CmsSearchManager.java:2070)
> ~[opencms.jar:16.0]
> at
> org.opencms.search.solr.CmsSolrIndex.initialize(CmsSolrIndex.java:645)
> ~[opencms.jar:16.0]
> at
> org.opencms.search.CmsSearchManager.initSearchIndexes(CmsSearchManager.java:2922)
> [opencms.jar:16.0]
> at
> org.opencms.search.CmsSearchManager.initializeIndexes(CmsSearchManager.java:1757)
> [opencms.jar:16.0]
> at
> org.opencms.search.CmsSearchManager.initialize(CmsSearchManager.java:1723)
> [opencms.jar:16.0]
> at
> org.opencms.main.OpenCmsCore.initConfiguration(OpenCmsCore.java:1772)
> [opencms.jar:16.0]
> at
> org.opencms.main.OpenCmsCore.initContext(OpenCmsCore.java:1925)
> [opencms.jar:16.0]
> at
> org.opencms.main.OpenCmsCore.upgradeRunlevel(OpenCmsCore.java:2618)
> [opencms.jar:16.0]
> at
> org.opencms.main.OpenCmsListener.contextInitialized(OpenCmsListener.java:96)
> [opencms.jar:16.0]
> at
> org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4441)
> [catalina.jar:8.5.99]
> at
> org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:4899)
> [catalina.jar:8.5.99]
> at
> org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:171)
> [catalina.jar:8.5.99]
> at
> org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:710)
> [catalina.jar:8.5.99]
> at
> org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:687)
> [catalina.jar:8.5.99]
> at
> org.apache.catalina.core.StandardHost.addChild(StandardHost.java:660)
> [catalina.jar:8.5.99]
> at
> org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1176)
> [catalina.jar:8.5.99]
> at
> org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1889)
> [catalina.jar:8.5.99]
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
> [?:?]
> at java.util.concurrent.FutureTask.run(FutureTask.java:264) [?:?]
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
> [?:?]
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
> [?:?]
> at java.lang.Thread.run(Thread.java:829) [?:?]
> Caused by: org.apache.solr.common.SolrException: Unable to create core
> [Solr-Online]
> at
> org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1473)
> ~[solr-core-8.11.1.jar:8.11.1 0b002b11819df70783e83ef36b42ed1223c14b50
> - janhoy - 2021-12-14 13:50:55]
> at
> org.apache.solr.core.CoreContainer.create(CoreContainer.java:1333)
> ~[solr-core-8.11.1.jar:8.11.1 0b002b11819df70783e83ef36b42ed1223c14b50
> - janhoy - 2021-12-14 13:50:55]
> ... 22 more
>
> Due to this startup error, the indexes are not operational and SOLR
> searches cannot be performed.
>
> I suspect it might be related to the Git integration / content imports
> in OpenCms, but I’m not certain.
>
> Has anyone encountered this? How did you solve it?
>
> Thanks in advance for any insights or suggestions!
>
> Best regards,
>
> Chema.
>
>
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>
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