Cihad Guzel created CONNECTORS-1588:
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Summary: 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
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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