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https://issues.apache.org/jira/browse/DIRSTUDIO-1289?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stefan Seelmann updated DIRSTUDIO-1289:
---------------------------------------
    Fix Version/s: 2.0.0-M18

> Can't connect to ldaps behind haproxy in M17
> --------------------------------------------
>
>                 Key: DIRSTUDIO-1289
>                 URL: https://issues.apache.org/jira/browse/DIRSTUDIO-1289
>             Project: Directory Studio
>          Issue Type: Bug
>          Components: studio-ldapbrowser
>    Affects Versions: 2.0.0-M17
>         Environment: OS: Linux, v.5.13.13-arch1-1, x86_64 / gtk 3.24.30
> Java version: 16.0.2
>            Reporter: Josef Vybíhal
>            Priority: Minor
>              Labels: LDAPS, haproxy
>             Fix For: 2.0.0-M16, 2.0.0-M18
>
>
> I have noticed, that I can not connect to ldaps server which is behind SSL 
> terminated haproxy.
> The error seems to be timeout
> {code:java}
> Error while opening connectionError while opening connection - 
> ERR_04169_RESPONSE_QUEUE_EMPTIED The response queue has been emptied, no 
> response was 
> found.org.apache.directory.studio.connection.core.io.StudioLdapException: 
> ERR_04169_RESPONSE_QUEUE_EMPTIED The response queue has been emptied, no 
> response was found. at 
> org.apache.directory.studio.connection.core.io.api.DirectoryApiConnectionWrapper.toStudioLdapException(DirectoryApiConnectionWrapper.java:1350)
>  at 
> org.apache.directory.studio.connection.core.io.api.DirectoryApiConnectionWrapper.access$2(DirectoryApiConnectionWrapper.java:1342)
>  at 
> org.apache.directory.studio.connection.core.io.api.DirectoryApiConnectionWrapper$2.run(DirectoryApiConnectionWrapper.java:483)
>  at 
> org.apache.directory.studio.connection.core.io.api.DirectoryApiConnectionWrapper.runAndMonitor(DirectoryApiConnectionWrapper.java:1261)
>  at 
> org.apache.directory.studio.connection.core.io.api.DirectoryApiConnectionWrapper.doBind(DirectoryApiConnectionWrapper.java:488)
>  at 
> org.apache.directory.studio.connection.core.io.api.DirectoryApiConnectionWrapper.bind(DirectoryApiConnectionWrapper.java:323)
>  at 
> org.apache.directory.studio.connection.core.jobs.OpenConnectionsRunnable.run(OpenConnectionsRunnable.java:114)
>  at 
> org.apache.directory.studio.connection.core.jobs.StudioConnectionJob.run(StudioConnectionJob.java:109)
>  at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)Caused by: 
> org.apache.directory.api.ldap.model.exception.LdapException: 
> ERR_04169_RESPONSE_QUEUE_EMPTIED The response queue has been emptied, no 
> response was found. at 
> org.apache.directory.ldap.client.api.LdapNetworkConnection.bind(LdapNetworkConnection.java:1578)
>  at 
> org.apache.directory.studio.connection.core.io.api.DirectoryApiConnectionWrapper.bindSimple(DirectoryApiConnectionWrapper.java:339)
>  at 
> org.apache.directory.studio.connection.core.io.api.DirectoryApiConnectionWrapper.access$5(DirectoryApiConnectionWrapper.java:333)
>  at 
> org.apache.directory.studio.connection.core.io.api.DirectoryApiConnectionWrapper$2.run(DirectoryApiConnectionWrapper.java:395)
>  ... 6 moreCaused by: 
> org.apache.directory.api.ldap.model.exception.LdapException: 
> ERR_04170_TIMEOUT_OCCURED TimeOut occurred at 
> org.apache.directory.ldap.client.api.LdapNetworkConnection.bind(LdapNetworkConnection.java:1549)
>  ... 9 more
>  ERR_04169_RESPONSE_QUEUE_EMPTIED The response queue has been emptied, no 
> response was found.{code}
> In the haproxy log, I can see the connection was made. The ldap servers in 
> the backed are definitely responding properly (I can connect to them 
> directly, and numerous applications are using this haproxy as ldap source, 
> and it works perfectly fine).
> I suspect it is something in M17.
> When I downgraded to 2.0.0.v20210213-M16, it works fine - I can connect as 
> expected. I have tried M17 with java-16-jdk and java-11-openjdk, no change.
> Is there anything I could investigate more and help discovering what the 
> issue might be?



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