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JMeter 5.6.3 does not work correctly with Java 25.0.1(oracle, adoptium and openjdk)

Open TomaszTwardowski opened this issue 1 month ago • 1 comments

Expected behavior

Test working correctly

Actual behavior

If user does not fill filename for View Result Tree then test does not start: Image After clicks Append to existing file or Overwrite existing file user will see this in console log: 2025-11-19 07:54:16,745 ERROR o.a.j.g.a.AbstractAction: Could not delete existing file C:\Users\User\Desktop\apache-jmeter-5.6.3\bin Test wil not start

Steps to reproduce the problem

  1. Install Java 25.0.1
  2. Install JMeter 5.6.3
  3. Run JMeter with UI
  4. Add Thred Group
  5. Add View Results Tree
  6. Run test

JMeter Version

5.6.3

Java Version

openjdk version "25.0.1" 2025-10-21 LTS

OS Version

Microsoft Windows [Version 10.0.26200.7171]

TomaszTwardowski avatar Nov 19 '25 06:11 TomaszTwardowski

The cause is a change in the behaviour of JDK25 when handing empty file paths. See: https://bugs.openjdk.org/browse/JDK-8024695

pchamberlain-ita avatar Nov 21 '25 13:11 pchamberlain-ita