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<?xml version="1.0"?>
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<document >
<properties >
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<author email= "dev AT jakarta.apache.org" > JMeter developers</author>
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<title > Changes</title>
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</properties>
<body >
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<section name= "Changes" >
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<note >
<b > This page details the changes made in the current version only.</b>
<br > </br>
Earlier changes are detailed in the <a href= "changes_history.html" > History of Previous Changes</a> .
</note>
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<!-- =================== -->
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<h1 > Version 2.5.1</h1>
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<h2 > Summary of main changes</h2>
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<ul >
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<li > HttpClient4 sampler now re-uses connections properly (previously it would use one per sample, which could quickly cause resource exhaustion).</li>
<li > Various fixes to JMS samplers</li>
<li > Functions are no longer spuriously invoked when used with a Configuration element</li>
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<li > WebService sampler GUI has been re-organized for better design and more user-friendliness. Some improments on WSDL configuration assistant</li>
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</ul>
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<!-- ========================= End of summary ===================================== -->
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<h2 > Known bugs</h2>
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<p >
The Include Controller has some problems in non-GUI mode.
In particular, it can cause a NullPointerException if there are two include controllers with the same name.
</p>
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<p > The Once Only controller behaves correctly under a Thread Group or Loop Controller,
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but otherwise its behaviour is not consistent (or clearly specified).</p>
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<p > The If Controller may cause an infinite loop if the condition is always false from the first iteration.
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A workaround is to add a sampler at the same level as (or superior to) the If Controller.
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For example a Test Action sampler with 0 wait time (which doesn't generate a sample),
or a Debug Sampler with all fields set to False (to reduce the sample size).
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</p>
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<p >
The menu item Options / Choose Language does not change all the displayed text to the new language.
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[The behaviour has improved, but language change is still not fully working]
To override the default local language fully, set the JMeter property "language" before starting JMeter.
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</p>
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<h2 > Incompatible changes</h2>
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<p >
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The HttpClient4 sampler as implemented in version 2.5 used a retry count of 3.
As this can hide server errors, JMeter now sets the retry count to 0 to prevent any automatic retries.
This can be overridden by setting the JMeter property <b > httpclient4.retrycount</b> .
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</p>
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<h2 > Bug fixes</h2>
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<h3 > HTTP Samplers and Proxy</h3>
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<ul >
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<li > Fix HttpClient 4 sampler so it reuses HttpClient instances and connections where possible.</li>
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<li > Bug 51750 - Retrieve all embedded resources doesn't follow IFRAME</li>
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<li > Change the default so the HttpClient 4 sampler does not retry</li>
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<li > Bug 51752 - HTTP Cache is broken when using "Retrieve all embedded resources" with concurrent pool</li>
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<li > Bug 39219 - HTTP Server: You can't stop it after File->Open</li>
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<li > Bug 51775 - Port number duplicates in Host header when capturing by HttpClient (3.1 and 4.x)</li>
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<li > Bug 50617 - Monitor Results legend show "dead" server although values from the server are retrieved</li>
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</ul>
<h3 > Other Samplers</h3>
<ul >
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<li > Bug 50424 - Web Methods drop down list box inconsistent</li>
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<li > Bug 43293 - Java Request fields not cleared when creating new sampler</li>
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<li > Bug 51830 - Webservice Soap Request triggers too many popups when Webservice WSDL URL is down</li>
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<li > WebService(SOAP) request - add a connect timeout to get the wsdl used to populate Web Methods when server doesn't response</li>
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<li > Bug 51841 - JMS : If an error occurs in ReceiveSubscriber constructor or Publisher, then Connections will stay open</li>
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<li > Bug 51691 - Authorization does not work for JMS Publisher and JMS Subscriber</li>
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<li > Bug 51840 - JMS : Cache of InitialContext has some issues</li>
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</ul>
<h3 > Controllers</h3>
<ul >
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<li > If Controller - Fixed two regressions introduced by bug 50032 (see bug 50618 too)</li>
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<li > If Controller - Catches a StackOverflowError when a condition returns always false (after at least one iteration with return true) See bug 50618</li>
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</ul>
<h3 > Listeners</h3>
<ul >
</ul>
<h3 > Assertions</h3>
<ul >
</ul>
<h3 > Functions</h3>
<ul >
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<li > Bug 48943 - Functions are invoked additional times when used in combination with a Config Element</li>
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</ul>
<h3 > I18N</h3>
<ul >
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<li > WebService(SOAP) request - add I18N for some labels</li>
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</ul>
<h3 > General</h3>
<ul >
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<li > Bug 51831 - Cannot disable UDP server or change the maximum UDP port</li>
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<li > Bug 51821 - Add short-cut for Enabling / Disabling (sub)tree or branches in test plan.</li>
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<li > Bug 47921 - Variables not released for GC after JMeterThread exits.</li>
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<li > Bug 51839 - "... end of run" printed prematurely</li>
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</ul>
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<!-- ==================================================== -->
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<h2 > Improvements</h2>
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<h3 > HTTP Samplers</h3>
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<ul >
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<li > Bug 51380 - Control reuse of cached SSL Context from iteration to iteration</li>
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</ul>
<h3 > Other samplers</h3>
<ul >
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<li > Beanshell Sampler now supports Interruptible interface</li>
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<li > Bug 51605 - WebService(SOAP) Request - WebMethod field value changes surreptitiously for all the requests when a value is selected in a request</li>
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<li > WebService(SOAP) Request - Reorganized GUI for better design and more user-friendliness</li>
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</ul>
<h3 > Controllers</h3>
<ul >
</ul>
<h3 > Listeners</h3>
<ul >
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<li > Bug 42246 - Need for a 'auto-scroll' option in "View Results Tree" and "Assertion Results"</li>
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<li > View Results Tree: Regexp Tester - little improvements on user interface</li>
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</ul>
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<h3 > Timers, Assertions, Config, Pre- & Post-Processors</h3>
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<ul >
</ul>
<h3 > Functions</h3>
<ul >
</ul>
<h3 > I18N</h3>
<ul >
</ul>
<h3 > General</h3>
<ul >
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<li > Bug 51822 - (part 1) save 1 invocation of GuiPackage#getCurrentGui</li>
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</ul>
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<h2 > Non-functional changes</h2>
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<ul >
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<li > Bug 49976 - FormCharSetFinder visibility is default instead of public. </li>
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</ul>
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</section>
</body>
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</document>
