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Date: Thu, 22 Oct 2015 02:38:44 -0400
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 <CALUFAGAQrLi2HeSONs7XyHmQQM_VRZnRv-O9WG=xzF0Yik5i2w@mail.gmail.com>
Subject: Re: Exception for Expected index description
From: Karl Wright <daddywri@gmail.com>
To: "user@manifoldcf.apache.org" <user@manifoldcf.apache.org>
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Hi Shigeki,

This error occurs when the indexes found on the JobQueue table do not agree
with the indexes that ManifoldCF expects to find.  In particular, MCF tries
to generate a query hint for MySQL to use a specific index that isn't
there:

new IndexDescription(false,new
String[]{docPriorityField,statusField,checkActionField,checkTimeField})

Most likely this has occurred because of an upgrade process that was not
done properly, or done at all, or because you attempted to create the MCF
database tables by hand.  You should be able to cause the upgrade to
finish, and all the proper indexes to be created, by running the
initialize.sh script.

Thanks,
Karl


On Wed, Oct 21, 2015 at 10:29 PM, Shigeki Kobayashi <
shigeki.kobayashi3@g.softbank.co.jp> wrote:

> Hello,
>
> I use MCF ver. 2.1 and crawl files using Windows Share Connection.
>
> I found the following error but have no clue about this.
> Does anyone know in what situation the following error occurs:
>
> ERROR 2015-10-22 11:06:32,982 (Stuffer thread) - Exception tossed:
> Expected index description
> org.apache.manifoldcf.core.interfaces.IndexDescription@71d71ab8 not found
> org.apache.manifoldcf.core.interfaces.ManifoldCFException: Expected index
> description org.apache.manifoldcf.core.interfaces.IndexDescription@71d71ab8
> not found
>         at
> org.apache.manifoldcf.core.database.DBInterfaceMySQL.constructIndexHintClause(DBInterfaceMySQL.java:990)
>         at
> org.apache.manifoldcf.crawler.jobs.JobQueue.getGetNextDocumentsIndexHint(JobQueue.java:309)
>         at
> org.apache.manifoldcf.crawler.jobs.JobManager.fetchAndProcessDocuments(JobManager.java:2976)
>         at
> org.apache.manifoldcf.crawler.jobs.JobManager.getNextDocuments(JobManager.java:2853)
>         at
> org.apache.manifoldcf.crawler.system.StufferThread.run(StufferThread.java:186)
>
>
>
>
>

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<div dir=3D"ltr">Hi Shigeki,<div><br></div><div>This error occurs when the =
indexes found on the JobQueue table do not agree with the indexes that Mani=
foldCF expects to find.=C2=A0 In particular, MCF tries to generate a query =
hint for MySQL to use a specific index that isn&#39;t there:=C2=A0</div><di=
v><br></div><div>new IndexDescription(false,new String[]{docPriorityField,s=
tatusField,checkActionField,checkTimeField})<br></div><div><br></div><div>M=
ost likely this has occurred because of an upgrade process that was not don=
e properly, or done at all, or because you attempted to create the MCF data=
base tables by hand.=C2=A0 You should be able to cause the upgrade to finis=
h, and all the proper indexes to be created, by running the initialize.sh s=
cript.</div><div><br></div><div>Thanks,</div><div>Karl</div><div><br></div>=
</div><div class=3D"gmail_extra"><br><div class=3D"gmail_quote">On Wed, Oct=
 21, 2015 at 10:29 PM, Shigeki Kobayashi <span dir=3D"ltr">&lt;<a href=3D"m=
ailto:shigeki.kobayashi3@g.softbank.co.jp" target=3D"_blank">shigeki.kobaya=
shi3@g.softbank.co.jp</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_q=
uote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1e=
x"><div dir=3D"ltr">Hello,<div><br></div><div>I use MCF ver. 2.1 and crawl =
files using Windows Share Connection.</div><div><br></div><div>I found the =
following error but have no clue about this.=C2=A0</div><div>Does anyone kn=
ow in what situation the following error occurs:</div><div><br></div><div><=
div><div>ERROR 2015-10-22 11:06:32,982 (Stuffer thread) - Exception tossed:=
 Expected index description org.apache.manifoldcf.core.interfaces.IndexDesc=
ription@71d71ab8 not found</div><div>org.apache.manifoldcf.core.interfaces.=
ManifoldCFException: Expected index description org.apache.manifoldcf.core.=
interfaces.IndexDescription@71d71ab8 not found</div><div>=C2=A0 =C2=A0 =C2=
=A0 =C2=A0 at org.apache.manifoldcf.core.database.DBInterfaceMySQL.construc=
tIndexHintClause(DBInterfaceMySQL.java:990)</div><div>=C2=A0 =C2=A0 =C2=A0 =
=C2=A0 at org.apache.manifoldcf.crawler.jobs.JobQueue.getGetNextDocumentsIn=
dexHint(JobQueue.java:309)</div><div>=C2=A0 =C2=A0 =C2=A0 =C2=A0 at org.apa=
che.manifoldcf.crawler.jobs.JobManager.fetchAndProcessDocuments(JobManager.=
java:2976)</div><div>=C2=A0 =C2=A0 =C2=A0 =C2=A0 at org.apache.manifoldcf.c=
rawler.jobs.JobManager.getNextDocuments(JobManager.java:2853)</div><div>=C2=
=A0 =C2=A0 =C2=A0 =C2=A0 at org.apache.manifoldcf.crawler.system.StufferThr=
ead.run(StufferThread.java:186)</div></div><div><br></div><div><br></div><d=
iv><br></div><div><br></div>
</div></div>
</blockquote></div><br></div>

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