Error: Could not find or load main class io.gatling.recorder.GatlingRecorder

[Xyng Fei Lim]

Following the documentation, http://gatling.io/docs/2.2.2/quickstart.html JDK8 has installed on my WIN2012 R2 server machine.

However, i still cannot launch the recorder successfully. 

Even gatling.bat also encounter the following error. 

GATLING_HOME is set to "D:\iDA_Proj\Tools\gatling-2.2.3\"

JAVA = ""C:\Program Files\Java\jdk1.8.0_102\bin\java.exe""

"C:\Program Files\Java\jdk1.8.0_102\bin\java.exe"  -server -Xmx1G -XX:+UseG1GC -XX:MaxGCPauseMillis=

30 -XX:G1HeapRegionSize=16m -XX:InitiatingHeapOccupancyPercent=75 -XX:+ParallelRefProcEnabled -XX:+P

erfDisableSharedMem -XX:+AggressiveOpts -XX:+OptimizeStringConcat -XX:+HeapDumpOnOutOfMemoryError -D

java.net.preferIPv4Stack=true -Djava.net.preferIPv6Addresses=false -cp "D:\iDA_Proj\Tools\gatling-2.

2.3\"\lib\*;"D:\iDA_Proj\Tools\gatling-2.2.3\"\user-files;"D:\iDA_Proj\Tools\gatling-2.2.3\"\conf; i

o.gatling.app.Gatling

Usage: java [-options] class [args...]

           (to execute a class)

   or  java [-options] -jar jarfile [args...]

           (to execute a jar file)

where options include:

    -d32          use a 32-bit data model if available

    -d64          use a 64-bit data model if available

    -server       to select the "server" VM

                  The default VM is server.

...

...

Any suggestion?

[Xyng Fei Lim]

I really cannot believe that after move the gatling home folder from D:\iDA_Proj\Tools\gatling-2.2.2 to D:\Tools\gatling-2.2.2, issue has been resolved automatically. So weird!!

[Stéphane LANDELLE]

This happens because Windows has a pretty short limit on commands length.

We currently launch Gatling in a straightforward fashion, like "java -classpath <LIST_ABSOLUTE_PATHS_OF_ALL_JARS_IN_LIB_DIR> Gatling". The deeper the Gatling path, the longer the classpath.

At some point, we might want to work around this Windows limitation and go with a more complex strategy, like having a booter that would create a classloader in a different fashion, but that will only happen in Gatling 3.

AFAIK, we don't have the problem with OSX/Linux.

Stéphane Landelle

GatlingCorp CEO

slan...@gatling.io

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[Sabak Global]

Hi, Please can you help with a solution to this similar issue.

 I am runing Gatling on window enterprise 7 cmd and I am getting below error message. Can someone help me please. this is my first time using Gatling.

This is the error: Error: Could not find or load main class io.gatling.app.Gatling

I entered the following script in the command line: C:\Users\akinrins\Desktop\Gatling\bin>gatling -s CEHSimulation

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[Stéphane LANDELLE]

Try reducing path length and moving Gatling install closer to filesystem root.

Stéphane Landelle

GatlingCorp CEO

slan...@gatling.io

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[Jack Sun]

I am getting same issue - the only change is that I power off my MAC, and now 

just run gatling.sh --version . will get "Error: Could not find or load main class io.gatling.app.Gatling"

Jack