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From "Alexis Midon (JIRA)" <j...@apache.org>
Subject [jira] Commented: (AXIS2-935) Connections are not properly released causing them to stick in the "CLOSE_WAIT" state and cause "Too many files open"
Date Tue, 24 Feb 2009 18:41:01 GMT

    [ https://issues.apache.org/jira/browse/AXIS2-935?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12676359#action_12676359
] 

Alexis Midon commented on AXIS2-935:
------------------------------------

I have the exact same issue with the default settings (axis 1.3): unclosed connection and
too many open files.

I tried the options REUSE_HTTP_CLIENT and AUTO_RELEASE_CONNECTION and drew the exact same
conclusions as Guillaume (see his comment above):

. REUSE_HTTP_CLIENT starves the pool and invocations hang out
. AUTO_RELEASE_CONNECTION release the connection, but before the SOAP handler had a chance
to read the http input stream :(





> Connections are not properly released causing them to stick in the "CLOSE_WAIT" state
and cause "Too many files open"
> ---------------------------------------------------------------------------------------------------------------------
>
>                 Key: AXIS2-935
>                 URL: https://issues.apache.org/jira/browse/AXIS2-935
>             Project: Axis 2.0 (Axis2)
>          Issue Type: Bug
>          Components: kernel
>    Affects Versions: 1.0
>         Environment: Weblogic 8.1.2, Solaris 8 (dont ask!)
>            Reporter: Jeff Peterson
>            Assignee: Deepal Jayasinghe
>            Priority: Critical
>         Attachments: AXIS2-935.patch
>
>
> It appears that org.apache.axis2.transport.http.SOAPOverHTTPSender does not properly
cleanup the http post connection after payload has been sent.
> The symptoms of this problem show up in `netstat` as literally hundreds of connections
in the "CLOSE_WAIT" state.  On a busy server this can cause the application to report exceptions
with the message "Too many open files."
> I looked in the source code for axis2 1.0 and discovered that in SOAPOverHTTPSender.java
the releaseConnection() is never called on the postMethod variable.  This seems to be a likely
candidate for the source of the issue.
> See SOAPOverHTTPSender.java:97-118

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