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https://issues.apache.org/jira/browse/WW-4895?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16260552#comment-16260552
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Yasser Zamani commented on WW-4895:
-----------------------------------
Did you try measuring the time of beginning of {{getDoclist}} to end of it?
Actually there are several possibilities, maybe your ORM loads data lazy from
db and then takes time when select tag wants to read data; maybe you have
aspects on their methods to log, etc. Then only way is to measure the times
then narrow it to smaller codes to find the cause.
> s:select tags performance issue after upgrading to 2.5.1.3
> ----------------------------------------------------------
>
> Key: WW-4895
> URL: https://issues.apache.org/jira/browse/WW-4895
> Project: Struts 2
> Issue Type: Bug
> Components: Core Tags
> Affects Versions: 2.5.13
> Environment: IBM Websphere 8.5 , apache 2.x
> Reporter: Harsh Choudhary
> Priority: Critical
> Labels: performance
> Fix For: 2.5.x
>
>
> We recently upgraded from Struts 2.1(don't ask) to Struts 2.5.13 , while the
> upgrade process was smooth, we are facing some performance issue while JSP is
> rendering at runtime. This JSP used to load in less then 2 secs before and
> now it's taking around 40 secs to load. It's a very simple JSP with some text
> fields and a few select fields. I am just posting a simple select that is
> taking around 20 secs, I cannot post the whole code because of obvious
> reasons. The time difference between the two-time statements below is around
> 20 secs.
> I have tried to remove styles, javascript function but still it's taking a
> long time. Any suggestions in this regard will be helpful. This is happening
> most of the select boxes.
> {code:html}
> System.out.println("logging started");
> java.util.Date date49 = new java.util.Date();
> %>
> The time is now <%= date49 %>
> <s:select cssClass="textBox_normal"
> cssStyle="width:100%; height:100%" name="showDoc" id="showDoc"
> multiple="true" size="5"
> headerKey="-1"
> list="doclist"
> listKey="id"
>
> listValue="Description"
>
> onchange="disableErrormsg('VarLibAssetErrorDiv');"
> />
> </div>
> <div style="float:left; width:20%; height:100%; display:
> none" id="documentTypeDiv">
> <%
> System.out.println("logging started");
> java.util.Date date5 = new java.util.Date();
> %>
> The time is now <%= date5 %>
> {code}
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