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From "Santhosh (JIRA)" <j...@apache.org>
Subject [jira] Created: (WW-2474) Struts form tag increases the file descriptors to struts2-core-2.0.11.jar there by causing "Too many files open" exception
Date Fri, 08 Feb 2008 06:14:39 GMT
Struts form tag increases the file descriptors to struts2-core-2.0.11.jar there by causing
"Too many files open" exception
--------------------------------------------------------------------------------------------------------------------------

                 Key: WW-2474
                 URL: https://issues.apache.org/struts/browse/WW-2474
             Project: Struts 2
          Issue Type: Bug
          Components: Plugin - Tags
    Affects Versions: 2.0.11
         Environment: Apache 2.2, Tomcat 5.0.28, Java 1.5, Struts 2.0.11
            Reporter: Santhosh


 Whenever I try to access a file with struts2 form tag, the server opens a certain number
of file descriptors to struts2-core-2.0.11.jar and nevers releases them.
Here is the content of the sample file:

<%@ taglib uri="/struts-tags" prefix="s" %>
<%@ taglib uri="http://tiles.apache.org/tags-tiles" prefix="tiles" %>

        <s:form action="Search" onsubmit="return checkSearch(this)">
        <p class="btn"><input type="image" src="i/btn_search.gif" /></p>
        </s:form>

Number of file descriptors after server restart:
lsof | grep struts2-core-2.0.11.jar | wc -l
      1
Number of file descriptors after accessing the file:
 lsof | grep struts2-core-2.0.11.jar | wc -l
      9

On rfereshing the page, the number of file descriptors keeps on increasing.

AFAIK, the server is not creating file descriptors for any other struts tag. This is the content
of another file:

<%@ taglib uri="/struts-tags" prefix="s" %>
<%@ taglib uri="http://tiles.apache.org/tags-tiles" prefix="tiles" %>
<s:set name="personName" value="santhosh"/>
Hello, <s:property value="#personName"/>. How are you?>

The file descriptor on executing this file did not increase.



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