build app with cli：Error: Could not find or load main class

li2niu over 3 years ago

Hi，

I was building my app with cli from console but to get this error propmt ：Error: Could not find or load main class

This is one target of my makefile. I get it from vscode console ouput

build:

@$(JAVA_HOME)/bin/java \

-Xms1g \

-claspath . \

-Dfile.encoding=UTF-8 \

-Dapple.awt.UIElement=true \

-jar $(SDK_HOME)/bin/monkeybrains.jar \

-o bin/$(appName).prg \

-f monkey.jungle \

-y $(PRIVATE_KEY) \

-d $(DEVICE)_sim \

-w -l 0

My command

make build DEVICE=fr245m

Error message:

Error: Could not find or load main class

I think I need to specify the classpath, just wondering which path should I use.

0 flowstate over 3 years ago

I'm able to build without specifying a classpath (on Windows). Have you tried omitting it from the command line?

In the OP you've got "-claspath .". I'm guessing it's a typo, as java won't even run with a misspelled argument like that.

Example of what works for me in Windows (newlines added for clarity):

"C:\Program Files\Eclipse Adoptium\jdk-11.0.13.8-hotspot\bin\java.exe"
-jar ...\connectiq-sdk-win-4.1.4-2022-06-07-f86da2dee\bin\monkeybrains.jar
-o bin\testdf3.prg
-f testdf3\monkey.jungle -y FULL_PATH_TO_PRIVATE_KEY -d epix2_sim -w -l 2

0 li2niu over 3 years ago in reply to flowstate

flowstate said:
I'm guessing it's a typo,

Yes. I cannot run it if I delete the typo

0 li2niu over 3 years ago in reply to flowstate

0 flowstate over 3 years ago in reply to li2niu

You can try this (from the monkeyc bash script in the sdk bin folder):

java -Xms1g -Dfile.encoding=UTF-8 -Dapple.awt.UIElement=true -classpath "$MB_HOME"/monkeybrains.jar com.garmin.monkeybrains.Monkeybrains "$@"

0 flowstate over 3 years ago in reply to flowstate

Or you could just run monkeyc itself.

0 li2niu over 3 years ago in reply to flowstate

OK I will try it tommorrow