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https://issues.apache.org/jira/browse/WW-4895?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16263911#comment-16263911
]
Yasser Zamani commented on WW-4895:
-----------------------------------
I tested following configuration and could not reproduce your problem. Here it
takes about a few seconds in first call but then, it takes less than half
second to load (YourKit profiler shows these). I think there is something in
your side:
{code:java}
public class SelectTagTestAction {
private List<SelectTagElement> exampleList = new ArrayList<>();
public List<SelectTagElement> getExampleList() {
return exampleList;
}
public String execute() throws Exception {
for (int i = 0; i < 250; i++) {
SelectTagElement ste = new SelectTagElement();
ste.setLabel("" + i);
ste.setValue("" + i);
this.exampleList.add(ste);
}
return "success";
}
}
{code}
{code:xml}
<package name="default" namespace="/" extends="struts-default">
<action name="selectTagTestAction"
class="me.zamani.yasser.ww_convention.actions.SelectTagTestAction">
<interceptor-ref name="completeStack"/>
<result
name="success">/WEB-INF/content/SelectTagTest.jsp</result>
</action>
</package>
{code}
{code:jsp}
<%@taglib prefix="s" uri="/struts-tags"%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>selectTagTestAction</title>
</head>
<body>
<s:form action="selectTagTestAction">
<s:select list="exampleList" listKey="value" listValue="label" />
<s:submit/>
</s:form>
</body>
</html>
{code}
> 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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