Uncaught Exception java.lang.ArrayIndexOutOfBoundsException: Index 0 out of bounds for length 0 in thread Thread[AWT-EventQueue-0,6,main].

[milamberspace]

Expected behavior

JMeter parse correctly the parameters on URI

Actual behavior

JMeter generates this error when a parameter has no key and no value i.e.: param=1&=&param=2

2023-04-19 11:57:50,083 ERROR o.a.j.JMeter: Uncaught exception in thread Thread[AWT-EventQueue-0,6,main]
java.lang.ArrayIndexOutOfBoundsException: Index 0 out of bounds for length 0
at org.apache.jmeter.protocol.http.visualizers.RequestViewHTTP.getQueryMap(RequestViewHTTP.java:290) ~[ApacheJMeter_http.jar:5.4.3]
at org.apache.jmeter.protocol.http.visualizers.RequestViewHTTP.setSamplerResult(RequestViewHTTP.java:216) ~[ApacheJMeter_http.jar:5.4.3]
at org.apache.jmeter.visualizers.RequestPanel.setSamplerResult(RequestPanel.java:116) ~[ApacheJMeter_components.jar:5.4.3]
at org.apache.jmeter.visualizers.SamplerResultTab.setupTabPane(SamplerResultTab.java:238) ~[ApacheJMeter_components.jar:5.4.3]
at org.apache.jmeter.visualizers.ViewResultsFullVisualizer.valueChanged(ViewResultsFullVisualizer.java:385) ~[ApacheJMeter_components.jar:5.4.3]
at org.apache.jmeter.visualizers.ViewResultsFullVisualizer.valueChanged(ViewResultsFullVisualizer.java:363) ~[ApacheJMeter_components.jar:5.4.3]
at javax.swing.JTree.fireValueChanged(JTree.java:3019) ~[?:?]
at javax.swing.JTree$TreeSelectionRedirector.valueChanged(JTree.java:3520) ~[?:?]
at javax.swing.tree.DefaultTreeSelectionModel.fireValueChanged(DefaultTreeSelectionModel.java:650) ~[?:?]
at javax.swing.tree.DefaultTreeSelectionModel.notifyPathChange(DefaultTreeSelectionModel.java:1120) ~[?:?]
at javax.swing.tree.DefaultTreeSelectionModel.setSelectionPaths(DefaultTreeSelectionModel.java:306) ~[?:?]
at javax.swing.JTree.setSelectionInterval(JTree.java:2636) ~[?:?]
at javax.swing.plaf.basic.BasicTreeUI$Actions.increment(BasicTreeUI.java:4850) ~[?:?]
at javax.swing.plaf.basic.BasicTreeUI$Actions.actionPerformed(BasicTreeUI.java:4531) ~[?:?]
at javax.swing.SwingUtilities.notifyAction(SwingUtilities.java:1810) ~[?:?]
at javax.swing.JComponent.processKeyBinding(JComponent.java:2947) ~[?:?]
at javax.swing.JComponent.processKeyBindings(JComponent.java:2995) ~[?:?]
at javax.swing.JComponent.processKeyEvent(JComponent.java:2909) ~[?:?]
at java.awt.Component.processEvent(Component.java:6403) ~[?:?]
at java.awt.Container.processEvent(Container.java:2266) ~[?:?]
at java.awt.Component.dispatchEventImpl(Component.java:5001) ~[?:?]
at java.awt.Container.dispatchEventImpl(Container.java:2324) ~[?:?]
at java.awt.Component.dispatchEvent(Component.java:4833) ~[?:?]
at java.awt.KeyboardFocusManager.redispatchEvent(KeyboardFocusManager.java:1952) ~[?:?]
at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(DefaultKeyboardFocusManager.java:883) ~[?:?]
at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(DefaultKeyboardFocusManager.java:1150) ~[?:?]
at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(DefaultKeyboardFocusManager.java:1020) ~[?:?]
at java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFocusManager.java:848) ~[?:?]
at java.awt.Component.dispatchEventImpl(Component.java:4882) ~[?:?]
at java.awt.Container.dispatchEventImpl(Container.java:2324) ~[?:?]
at java.awt.Window.dispatchEventImpl(Window.java:2780) ~[?:?]
at java.awt.Component.dispatchEvent(Component.java:4833) ~[?:?]
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:773) ~[?:?]
at java.awt.EventQueue$4.run(EventQueue.java:722) ~[?:?]
at java.awt.EventQueue$4.run(EventQueue.java:716) ~[?:?]
at java.security.AccessController.doPrivileged(AccessController.java:399) ~[?:?]
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:86) ~[?:?]
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:97) ~[?:?]
at java.awt.EventQueue$5.run(EventQueue.java:746) ~[?:?]
at java.awt.EventQueue$5.run(EventQueue.java:744) ~[?:?]
at java.security.AccessController.doPrivileged(AccessController.java:399) ~[?:?]
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:86) ~[?:?]
at java.awt.EventQueue.dispatchEvent(EventQueue.java:743) ~[?:?]
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:203) [?:?]
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124) [?:?]
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:113) [?:?]
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:109) [?:?]
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101) [?:?]
at java.awt.EventDispatchThread.run(EventDispatchThread.java:90) [?:?]

Steps to reproduce the problem

Try to display in View Result Tree a request with this URL

GET https://www.domain.com/api/operation/operation-with-period/search?page=0&size=10&sort=fosId,asc&=&typeOperation=INITIAL

The issue is : ,asc&=&type

In the code the issue is :

    for (String param : params) {
        String[] paramSplit = param.split("=");
        String name = decodeQuery(paramSplit[0]);

Missing a test tif paramSplit[0] have a size of 0

JMeter Version

5.5

Java Version

java8

OS Version

Linux/Windows

[milamberspace]

JMX file to test the issue