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<?xml version="1.0"?>
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<!DOCTYPE document
[
<!ENTITY hellip "&#x02026;" >
<!ENTITY rarr "&#x02192;" >
<!ENTITY vellip "&#x022EE;" >
]>
<document>
<properties>
<author email="dev AT jmeter.apache.org">JMeter developers</author>
<title>Changes</title>
</properties>
<body>
<section name="Changes">
<style type="text/css"><!--
h2 { color: #960000; }
h3 { color: #960000; }
--></style>
<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>
<!-- =================== 3.2 =================== -->
<h1>Version 3.2</h1>
<p>
Summary
</p>
<ul>
<li><a href="#New and Noteworthy">New and Noteworthy</a></li>
<li><a href="#Incompatible changes">Incompatible changes</a></li>
<li><a href="#Bug fixes">Bug fixes</a></li>
<li><a href="#Improvements">Improvements</a></li>
<li><a href="#Non-functional changes">Non-functional changes</a></li>
<li><a href="#Known problems and workarounds">Known problems and workarounds</a></li>
<li><a href="#Thanks">Thanks</a></li>
</ul>
<ch_section>New and Noteworthy</ch_section>
<ch_section>IMPORTANT CHANGE</ch_section>
<p>
JMeter now requires Java 8. Ensure you use most up to date version.
</p>
<ch_title>Core improvements</ch_title>
<ul>
<li>Fill in improvements</li>
</ul>
<ch_title>Documentation improvements</ch_title>
<ul>
<li>PDF Documentations have been migrated to HTML user manual</li>
</ul>
<!-- <ch_category>Sample category</ch_category> -->
<!-- <ch_title>Sample title</ch_title> -->
<!-- <figure width="846" height="613" image="changes/3.0/view_results_tree_search_feature.png"></figure> -->
<!-- =================== Incompatible changes =================== -->
<ch_section>Incompatible changes</ch_section>
<ul>
<li>JMeter requires now at least a JAVA 8 version to run.</li>
<li>JMeter now sets through <code>-Djava.security.egd=file:/dev/urandom</code> the algorithm for secure random</li>
<li>Process Sampler now returns error code 500 when an error occurs. It previously returned an empty value.</li>
<li>In <code>org.apache.jmeter.protocol.http.sampler.HTTPHCAbstractImpl</code> 2 protected static fields (localhost and nonProxyHostSuffixSize) have been renamed to (LOCALHOST and NON_PROXY_HOST_SUFFIX_SIZE)
to follow static fields naming convention</li>
</ul>
<h3>Deprecated and removed elements or functions</h3>
<p><note>These elements do not appear anymore in the menu, if you need them modify <code>not_in_menu</code> property. The JMeter team advises not to use them anymore and migrate to their replacement.</note></p>
<ul>
<li><bug>60423</bug>Drop Monitor Results listener </li>
<li>Drop deprecated class <code>org.apache.jmeter.protocol.system.NativeCommand</code></li>
<li>Drop deprecated class <code>org.apache.jmeter.protocol.http.config.gui.MultipartUrlConfigGui</code></li>
<li>Drop deprecated class <code>org.apache.jmeter.testelement.TestListener</code></li>
<li>Drop deprecated class <code>org.apache.jmeter.reporters.FileReporter</code></li>
<li>Drop deprecated class <code>org.apache.jmeter.protocol.http.modifier.UserSequence</code></li>
<li>Drop deprecated class <code>org.apache.jmeter.protocol.http.parser.HTMLParseError</code></li>
<li><code>org.apache.jmeter.protocol.http.util.Base64Encode</code> has been deprecated, you can use <code>java.util.Base64</code> as a replacement</li>
</ul>
<!-- =================== Improvements =================== -->
<ch_section>Improvements</ch_section>
<h3>HTTP Samplers and Test Script Recorder</h3>
<ul>
<li><bug>59934</bug>Fix race-conditions in CssParser. Based on a patch by Jerome Loisel (loisel.jerome at gmail.com)</li>
<li><bug>60543</bug>HTTP Request / Http Request Defaults UX: Move to advanced panel Timeouts, Implementation, Proxy. Implemented by Philippe Mouawad (p.mouawad at ubik-ingenierie.com) and contributed by Ubik Load Pack (support at ubikloadpack.com)</li>
<li><bug>60548</bug>HTTP Request : Allow Upper Panel to be collapsed</li>
</ul>
<h3>Other samplers</h3>
<ul>
<li><bug>60585</bug>JMS Publisher and JMS Subscriber : Allow reconnection on error and pause between errors. Based on <pr>240</pr> from by Logan Mauzaize (logan.mauzaize at gmail.com) and Maxime Chassagneux (maxime.chassagneux at gmail.com).</li>
</ul>
<h3>Controllers</h3>
<ul>
</ul>
<h3>Listeners</h3>
<ul>
<li><bug>60144</bug>View Results Tree : Add a more up to date Browser Renderer to replace old Render</li>
<li><bug>60542</bug>View Results Tree : Allow Upper Panel to be collapsed. Contributed by Ubik Load Pack (support at ubikloadpack.com)</li>
<li><bug>52962</bug>Allow sorting by columns for View Results in Table, Summary Report, Aggregate Report and Aggregate Graph. Based on a <pr>245</pr> by Logan Mauzaize (logan.mauzaize at gmail.com) and Maxime Chassagneux (maxime.chassagneux at gmail.com).</li>
<li><bug>60590</bug>BackendListener : Add Influxdb BackendListenerClient implementation to JMeter. Partly based on <pr>246</pr> by Logan Mauzaize (logan.mauzaize at gmail.com) and Maxime Chassagneux (maxime.chassagneux at gmail.com).</li>
<li><bug>60591</bug>BackendListener : Add a time boxed sampling. Based on a <pr>237</pr> by Logan Mauzaize (logan.mauzaize at gmail.com) and Maxime Chassagneux (maxime.chassagneux at gmail.com).</li>
</ul>
<h3>Timers, Assertions, Config, Pre- &amp; Post-Processors</h3>
<ul>
<li><bug>60154</bug>User Parameters GUI: allow rows to be moved up &amp; down in the list. Contributed by Murdecai777 (https://github.com/Murdecai777).</li>
<li><bug>60507</bug>Added '<code>Or</code>' Function into ResponseAssertion. Based on a contribution from 忻隆 (298015902 at qq.com)</li>
<li><bug>58943</bug>Create a Better Think Time experience. Contributed by Ubik Load Pack (support at ubikloadpack.com)</li>
<li><bug>60602</bug>XPath Extractor : Add Match No. to allow extraction randomly, by index or all matches</li>
</ul>
<h3>Functions</h3>
<ul>
</ul>
<h3>I18N</h3>
<ul>
<li>Improve translation "save_as" in French. Based on a <pr>252</pr> by Maxime Chassagneux (maxime.chassagneux at gmail.com).</li>
</ul>
<h3>Report / Dashboard</h3>
<ul>
<li><bug>60637</bug>Improve Statistics table design <figure image="dashboard/report_statistics.png" ></figure></li>
</ul>
<h3>General</h3>
<ul>
<li><bug>54525</bug>Search Feature : Enhance it with ability to replace</li>
<li><bug>60530</bug>Add API to create JMeter threads while test is running. Based on a contribution by Logan Mauzaize (logan.mauzaize at gmail.com) and Maxime Chassagneux (maxime.chassagneux at gmail.com).</li>
<li><bug>60514</bug>Ability to apply a naming convention on Children of a Transaction Controller. Contributed by Ubik Load Pack (support at ubikloadpack.com)</li>
<li><bug>60593</bug>Switch to G1 GC algorithm</li>
<li><bug>60595</bug>Add a SplashScreen at the start of JMeter GUI. Contributed by Maxime Chassagneux (maxime.chassagneux at gmail.com).</li>
<li><bug>55258</bug>Drop "Close" icon from toolbar and add "New" to menu. Partly based on contribution from Sanduni Kanishka (https://github.com/SanduniKanishka)</li>
<li><bug>59995</bug>Allow user to change font size with 2 new menu items and use <code>jmeter.hidpi.scale.factor</code> for scaling fonts. Contributed by Ubik Load Pack (support at ubikloadpack.com)</li>
<li><bug>60654</bug>Validation Feature : Be able to ignore BackendListener. Contributed by Maxime Chassagneux (maxime.chassagneux at gmail.com).</li>
<li><bug>60646</bug>Workbench : Save it by default</li>
</ul>
<ch_section>Non-functional changes</ch_section>
<ul>
<li><bug>60415</bug>Drop support for Java 7.</li>
<li>Updated to dnsjava-2.1.8.jar (from 2.1.7)</li>
<li>Updated to groovy 2.4.8 (from 2.4.7)</li>
<li>Updated to httpcore 4.4.6 (from 4.4.5)</li>
<li>Updated to httpclient 4.5.3 (from 4.5.2)</li>
<li>Updated to jodd 3.8.1 (from 3.8.1.jar)</li>
<li>Updated to jsoup-1.10.2 (from 1.10.1)</li>
<li>Updated to ph-css 5.0.3 (from 4.1.6)</li>
<li>Updated to ph-commons 8.6.0 (from 6.2.4)</li>
<li>Updated to slf4j-api 1.7.22 (from 1.7.21)</li>
<li>Updated to asm 5.2 (from 5.1)</li>
<li>Converted the old pdf tutorials to xml.</li>
<li><pr>255</pr>Utilised Java 8 (and 7) features to tidy up code. Contributed by Graham Russell (graham at ham1.co.uk)</li>
</ul>
<!-- =================== Bug fixes =================== -->
<ch_section>Bug fixes</ch_section>
<h3>HTTP Samplers and Test Script Recorder</h3>
<ul>
<li><bug>60531</bug>HTTP Cookie Manager : changing Implementation does not update Cookie Policy</li>
<li><bug>60575</bug>HTTP GET Requests could have a content-type header without a body.</li>
<li><bug>60643</bug>HTTP(S) Test Script Recorder doesn't correctly handle restart or start after stop. Contributed by Ubik Load Pack (support at ubikloadpack.com)</li>
<li><bug>60652</bug>PUT might leak file descriptors.</li>
</ul>
<h3>Other Samplers</h3>
<ul>
<li><bug>603982</bug>Guard Exception handler of the <code>JDBCSampler</code> against null messages</li>
<li><bug>55652</bug>JavaSampler silently resets classname if class can not be found</li>
</ul>
<h3>Controllers</h3>
<ul>
</ul>
<h3>Listeners</h3>
<ul>
<li><bug>60648</bug>GraphiteBackendListener can lose some metrics at end of test if test is very short</li>
<li><bug>60650</bug>AbstractBackendListenerClient does not reset UserMetric between runs</li>
</ul>
<h3>Timers, Assertions, Config, Pre- &amp; Post-Processors</h3>
<ul>
<li><bug>60438</bug><pr>235</pr>Clear old variables before extracting new ones in JSON Extractor.
Based on a patch by Qi Chen (qi.chensh at ele.me)</li>
<li><bug>60607</bug>DNS Cache Manager configuration is ignored</li>
</ul>
<h3>Functions</h3>
<ul>
</ul>
<h3>I18N</h3>
<ul>
</ul>
<h3>General</h3>
<ul>
<li><bug>60428</bug>JMeter Graphite Backend Listener throws exception when test ends
and <code>useRegexpForSamplersList</code> is set to <code>true</code>.
Based on patch by Liu XP (liu_xp2003 at sina.com)</li>
<li><bug>60442</bug>Fix a typo in <code>build.xml</code> (gavin at 16degrees.com.au)</li>
<li><bug>60449</bug>JMeter Tree : Annoying behaviour when node name is empty</li>
<li><bug>60494</bug>Add sonar analysis task to build</li>
<li><bug>60501</bug>Search Feature : Performance issue when regexp is checked</li>
<li><bug>60444</bug>Intermittent failure of TestHTTPMirrorThread#testSleep(). Contributed by Thomas Schapitz (ts-nospam12 at online.de)</li>
<li><bug>60621</bug>The "report-template" folder is missing from ApacheJMeter_config-3.1.jar in maven central</li>
</ul>
<!-- =================== Thanks =================== -->
<ch_section>Thanks</ch_section>
<p>We thank all contributors mentioned in bug and improvement sections above:
</p>
<ul>
<li>Jerome Loisel (loisel.jerome at gmail.com)</li>
<li>Liu XP (liu_xp2003 at sina.com)</li>
<li>Qi Chen (qi.chensh at ele.me)</li>
<li>(gavin at 16degrees.com.au)</li>
<li>Thomas Schapitz (ts-nospam12 at online.de)</li>
<li>Murdecai777 (https://github.com/Murdecai777)</li>
<li>Logan Mauzaize (logan.mauzaize at gmail.com)</li>
<li>Maxime Chassagneux (maxime.chassagneux at gmail.com)</li>
<li>忻隆 (298015902 at qq.com)</li>
<li><a href="http://ubikloadpack.com">Ubik Load Pack</a></li>
<li>Graham Russell (graham at ham1.co.uk)</li>
<li>Sanduni Kanishka (https://github.com/SanduniKanishka)</li>
</ul>
<p>We also thank bug reporters who helped us improve JMeter. <br/>
For this release we want to give special thanks to the following reporters for the clear reports and tests made after our fixes:</p>
<ul>
</ul>
<p>
Apologies if we have omitted anyone else.
</p>
<!-- =================== Known bugs or issues related to JAVA Bugs =================== -->
<ch_section>Known problems and workarounds</ch_section>
<ul>
<li>The Once Only controller behaves correctly under a Thread Group or Loop Controller,
but otherwise its behaviour is not consistent (or clearly specified).</li>
<li>
The numbers that appear to the left of the green box are the number of active threads / total number of threads,
the total number of threads only applies to a locally run test, otherwise it will show <code>0</code> (see <bugzilla>55510</bugzilla>).
</li>
<li>
Note that under some windows systems you may have this WARNING:
<source>
java.util.prefs.WindowsPreferences
WARNING: Could not open/create prefs root node Software\JavaSoft\Prefs at root 0
x80000002. Windows RegCreateKeyEx(&hellip;) returned error code 5.
</source>
The fix is to run JMeter as Administrator, it will create the registry key for you, then you can restart JMeter as a normal user and you won't have the warning anymore.
</li>
<li>
You may encounter the following error:
<source>java.security.cert.CertificateException: Certificates does not conform to algorithm constraints</source>
if you run a HTTPS request on a web site with a SSL certificate (itself or one of SSL certificates in its chain of trust) with a signature
algorithm using MD2 (like md2WithRSAEncryption) or with a SSL certificate with a size lower than 1024 bits.
This error is related to increased security in Java 7 version u16 (MD2) and version u40 (Certificate size lower than 1024 bits), and Java 8 too.
<br></br>
To allow you to perform your HTTPS request, you can downgrade the security of your Java installation by editing
the Java <code>jdk.certpath.disabledAlgorithms</code> property. Remove the MD2 value or the constraint on size, depending on your case.
<br></br>
This property is in this file:
<source>JAVA_HOME/jre/lib/security/java.security</source>
See <bugzilla>56357</bugzilla> for details.
</li>
<li>
Under Mac OSX Aggregate Graph will show wrong values due to mirroring effect on numbers.
This is due to a known Java bug, see Bug <a href="https://bugs.openjdk.java.net/browse/JDK-8065373" >JDK-8065373</a>
The fix is to use JDK8_u45 or later.
</li>
<li>
View Results Tree may fail to display some HTML code under HTML renderer, see <bugzilla>54586</bugzilla>.
This is due to a known Java bug which fails to parse "<code>px</code>" units in row/col attributes.
See Bug <a href="https://bugs.openjdk.java.net/browse/JDK-8031109" >JDK-8031109</a>
The fix is to use JDK9 b65 or later (but be aware that Java 9 is not certified yet for JMeter).
</li>
<li>
JTable selection with keyboard (<keycombo><keysym>SHIFT</keysym><keysym>up/down</keysym></keycombo>) is totally unusable with JAVA 7 on Mac OSX.
This is due to a known Java bug <a href="https://bugs.openjdk.java.net/browse/JDK-8025126" >JDK-8025126</a>
The fix is to use JDK 8 b132 or later.
</li>
</ul>
</section>
</body>
</document>
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