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https://issues.apache.org/jira/browse/CONNECTORS-1588?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16777328#comment-16777328
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Cihad Guzel commented on CONNECTORS-1588:
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I have a PR : https://github.com/apache/manifoldcf/pull/96
> Custom Jcifs Properties
> -----------------------
>
> Key: CONNECTORS-1588
> URL: https://issues.apache.org/jira/browse/CONNECTORS-1588
> Project: ManifoldCF
> Issue Type: Improvement
> Components: JCIFS connector
> Affects Versions: ManifoldCF 2.12
> Reporter: Cihad Guzel
> Priority: Major
> Fix For: ManifoldCF 2.13
>
>
> In some cases, "jcifs" is running slowly. In order to solve this problem, we
> need to set custom some properties.
>
> For example; my problem was in my test environment: I have a windows server
> and an ubuntu server in same network in AWS EC2 Service. The windows server
> has Active Directory service, DNS Server and shared folder while the ubuntu
> server has some instance such as manifoldcf, an db instance and solr.
>
> If the DNS settings are not defined on the ubuntu server, jcifs runs slowly.
> Because the default resolver order is set as 'LMHOSTS,DNS,WINS'. It means[1];
> firstly "jcifs" checks '/etc/hosts' files for linux/unix server'', then it
> checks the DNS server. In my opinion, the linux server doesn't recognize the
> DNS server and threads are waiting for every file for access to read.
>
> I suppose, WINS is used when accessing hosts on different subnets. So, I have
> set "jcifs.resolveOrder = WINS" and my problem has been FIXED.
>
> Another suggestion for similar problem from [another
> example|[https://stackoverflow.com/a/18837754]]: "-Djcifs.resolveOrder = DNS"
>
> We need to set custom resolveOrder variable.
> [1] [https://www.jcifs.org/src/docs/resolver.html]
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