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For some reason, there is installed Java 8 and Java 9 on my computer with Win10Pro.

How to run JMeter?

As I found some info, there are two ways:

1) run last official JMeter 3.3 with Java 8 using system variable settings: -- I set up sys.variables in windows system setup targeting to my Java 8 folder:

JAVA_HOME = C:\Program Files (x86)\Java\jre1.8.0_45\bin

-- and run jmeter.bat.

Result: JMeter was still starting in java9.

  "Error: Java version -- 9.0.1 -- is too low to run JMeter. Needs a Java version greater than or equal to 1.8.0 errorlevel=3"

2) to download last night build java9 compatible apache-JMeter-r1822461: -- I set up system variable targeting to java9:

C:\Program Files\Java\jdk-9.0.1\bin

--I run the jmeter.bat: Result: nothing happened - just blink the cmd window and closed.

WHere the problem is, what to do? thanks, Martin

UBIK LOAD PACK
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MartinK
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3 Answers3

4

Here's a message straight from their website:

JMeter does not yet support JAVA 9, next JMeter version will support it, you can help and follow progress on this item in Bug 61529.

Since you already have Java 8 installed on your machine, just run it with that. Assuming jmeter.bat runs a .jar file, you can use the following as an example:

"C:\Program Files (x86)\Java\jre1.8.0_45\bin\java.exe" -jar jmeter.jar

If you want to use the .bat file, you'll have to change your environmental variables (PATH) to reflect Java 8: Environment variables for java installation

Edit 29 january 2018:

  • Note Java 9 will be supported in 4.0 which should be released in upcoming days.
Community
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Jacob G.
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You have at least 3 options:

  1. Uninstall Java 9

    • Click Win + R
    • Type appwiz.cpl
    • Find everything which contains Java 9 and uninstall it

  2. Amend your PATH environment variable so Java 8 executable comes first like:

    set PATH=c:\path\to\java8\bin;$PATH%

    You can insert the above line directly into jmeter.bat file or run it in a terminal prior to starting JMeter

  3. Use one of the nightly builds, there is a chance the issue is resolved already

More information: How to Get Started With JMeter: Part 1 - Installation & Test Plans

Dmitri T
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You can use JMeter 4 with which we don't see this issue anymore.

Otherwise, there's a fast but ugly way: comment the version check bloc in the launcher script(jmeter.sh, .bat) or specify the JDK in this launcher. Then it works with JDK 9 and 10.

BMWCMW
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