24 Aug
2016
24 Aug
'16
12:30 p.m.
Hi,
I'm still struggling to get XWiki installed on Ubuntu 16.06 using theDebian packages.
:-(
I see on http://platform.xwiki.org/xwiki/bin/view/AdminGuide/InstallationViaAPT
that there is a package xwiki-solr-data that appears to be optional (at least, it
isn't installed as a dependent package with xwiki-enterprise-tomcat8-pgsql). Is this
actually a required package? I ask because my Tomcat logs have a lot of entries like
2016-08-22 03:51:44,753 [coreLoadExecutor-6-thread-1] WARN o.a.s.c.SolrCore
- [xwiki] Solr index directory '/var/lib/xwiki/data/solr/xwiki/data/index'
doesn't exist. Creating new index...
2016-08-22 03:51:45,544 [coreLoadExecutor-6-thread-1] WARN o.i.j.ResourceDMBean
- ISPN000042: Did not find queried attribute with name coreHashCode
[...snip...]
2016-08-22 03:51:45,607 [coreLoadExecutor-6-thread-1] ERROR o.a.s.c.CoreContainer
- Error creating core [xwiki]: Error opening new searcher
org.apache.solr.common.SolrException: Error opening new searcher
[etc]
24 Aug
24 Aug
12:37 p.m.
As you said yourself it's not installed as dependent package of
xwiki-enterprise.
Like the documentation indicate this is to be used only if you plan to
setup a standalone Solr index which is not what XWiki is using by
default.
The error you get have nothing to do with that but you did not gave
enough details to know what is wrong, specifically the cause of "Error
creating core [xwiki]".
On Wed, Aug 24, 2016 at 12:30 PM, Bryn Jeffries
<bryn.jeffries(a)sydney.edu.au> wrote:
Hi,
I'm still struggling to get XWiki installed on Ubuntu 16.06 using theDebian packages.
:-(
I see on http://platform.xwiki.org/xwiki/bin/view/AdminGuide/InstallationViaAPT
that there is a package xwiki-solr-data that appears to be optional (at least, it
isn't installed as a dependent package with xwiki-enterprise-tomcat8-pgsql). Is this
actually a required package? I ask because my Tomcat logs have a lot of entries like
2016-08-22 03:51:44,753 [coreLoadExecutor-6-thread-1] WARN o.a.s.c.SolrCore
- [xwiki] Solr index directory '/var/lib/xwiki/data/solr/xwiki/data/index'
doesn't exist. Creating new index...
2016-08-22 03:51:45,544 [coreLoadExecutor-6-thread-1] WARN o.i.j.ResourceDMBean
- ISPN000042: Did not find queried attribute with name coreHashCode
[...snip...]
2016-08-22 03:51:45,607 [coreLoadExecutor-6-thread-1] ERROR o.a.s.c.CoreContainer
- Error creating core [xwiki]: Error opening new searcher
org.apache.solr.common.SolrException: Error opening new searcher
[etc]
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Thomas Mortagne
25 Aug
25 Aug
3:51 a.m.
Thomas Mortagne said:
As you said yourself it's not installed as
dependent package of xwiki-enterprise.
Like the documentation indicate this is to be used only if you plan to setup a
standalone Solr index which is not what XWiki is using by default.
OK thanks. I didn't find it all that clear from the page I was reading
(platform.xwiki.org/xwiki/bin/view/AdminGuide/InstallationViaAPT), perhaps because
there's not much info on how Solr fits into the XWiki architecture. But my
understanding now is that Solr is the search engine used by XWiki and an embedded server
is included within the standard xwiki-enterprise packages, but a standalone server can be
used if the xwiki-solr-data package is used to configure it for XWiki. Is that all
correct?
The error you get have nothing to do with that but you
did not gave enough
details to know what is wrong, specifically the cause of "Error creating core
[xwiki]".
So it looks like Solr should get set up the first time XWiki is run, but because of the
issues with openjdk9 this wasn't happening, and all the errors were being caused by
the expected items then not being found. Restarting Tomcat once XWiki successfully started
the first time seems to generate no further errors.
Thanks,
Bryn
26 Aug
26 Aug
3:09 p.m.
On Thu, Aug 25, 2016 at 3:51 AM, Bryn Jeffries
<bryn.jeffries(a)sydney.edu.au> wrote:
Yes Solr is not a big fan of missing files in its home folder and the
best in this case is to delete it (so that XWiki recreate a fresh
one).
Thomas Mortagne said:
Yes.
Think of Solr as a database. We use an embedded version of Solr by
default to make things easier but putting Solr in a different instance
can be safer in some cases.
As you said yourself it's not installed as
dependent package of xwiki-enterprise.
Like the documentation indicate this is to be used only if you plan to setup a
standalone Solr index which is not what XWiki is using by default.
OK thanks. I didn't find it all that clear from the page I was reading
(platform.xwiki.org/xwiki/bin/view/AdminGuide/InstallationViaAPT), perhaps because
there's not much info on how Solr fits into the XWiki architecture. But my
understanding now is that Solr is the search engine used by XWiki and an embedded server
is included within the standard xwiki-enterprise packages, but a standalone server can be
used if the xwiki-solr-data package is used to configure it for XWiki. Is that all
correct? The error you get have nothing to do with that
but you did not gave enough
details to know what is wrong, specifically the cause of "Error creating core
[xwiki]".
So it looks like Solr should get set up the first time XWiki is run, but because of the
issues with openjdk9 this wasn't happening, and all the errors were being caused by
the expected items then not being found. Restarting Tomcat once XWiki successfully started
the first time seems to generate no further errors.
Thanks,
Bryn
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Thomas Mortagne
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days inactive
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