I have installed IntelliJ IDEA on my mac and wrote the simplest Kotlin program
fun main(args : Array<String>){
println("Hello")
}
I can run it from the IDE environment. (It prints Hello of course)
My question: How can you run this from the console?
What I have done:
I tried to call
java simplekt.class
but I got
Error: could not find or load main class simplekt.class
I tried java simplekt but then I got an exception in thread main java.lang.NoClassDefFoundError
I tried to use kotlin or kotlinc but the command was not found. (where is the compiler installed?)
In this resource they use kotlinc and they produce a jar file but IDEA only output a class file.
Not really sure how to proceed from here.
When you run your application from the IDE, in the Run window the very first line is the command that the IDE executes to start your program. In my case it's something like:
/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/bin/java -Dfile.encoding=UTF-8 <a lot more omitted>
You can execute the same command in your terminal and that will execute the application. Reading that line will also (indirectly) tell you where the kotlinc command is installed, and in my case – using MacOS – it's at /Applications/IntelliJ\ IDEA.app/Contents/plugins/Kotlin/kotlinc/bin/kotlinc
However, you can always decide to entirely stop using the IDE and compile/run your program from the command line by following instructions here: https://kotlinlang.org/docs/tutorials/command-line.html
The above answer by #user2340612 is mostly right, but maybe due to software changing or some differences in what i did, it did not work for me. Following did:
to avoid repetition, i'll be using the short name: $(ideac) = "IntelliJ IDEA Community Edition 2022.2" in place of the full name
the path to the kotlinc is this one: $(ideac)\plugins\Kotlin\kotlinc\bin
much similar to the one told above, but slightly different
i have verified it to work in the command given in the command-line doc linked above or compiler-reference too: kotlinc hello.kt -include-runtime -d hello.jar
running the resultant .jar file via java -jar ./hello.jar shows the expected output
there's no kotlin-native in that folder, so, couldn't verify this native-command-line-compiler kotlin doc
Backstory/What did not work
the command under the run tab in $(ideac) no longer shows the kotlinc path
I had created the Kotlin "project" by using "new project" (intelliJ) or by "Kotlin multiplatform > JVM" (gradle)
The run command for either of these did not contain any kotlinc in them
I tried creating a new > "scratch" file; and it showed this: $(ideac)\plugins\Kotlin\bin\windows\LLDBFrontend.exe but i tried using that on CLI and it did not work either
I am attempting to execute my tests using the karate stand-alone jar. Throughout my project, I use the read('classpath:') when locating files.
However, when I attempt to execute my tests from the CLI, I receive the following error:
src.test.java.Users.getUser: -unknown-:6 - javascript evaluation failed: read('classpath:commonUtils.feature'), java.io.FileNotFoundException: commonUtils.feature (The system cannot find the file specified)
Command: java -jar -Dkarate.config.dir="src/test/java" karate.jar -e DEV -t #tests src/test
It seems that I will have to declare the classpath on execution, would you be able to provide some insight on how to do this please? I'm not sure whether my issue is linked to [karate][standalone] Error : could not find or read file
Can you try the ZIP release and if you open the karate batch file you will see this:
java -cp karate.jar:. com.intuit.karate.Main $*
So the trick to setting a custom classpath is to use the com.intuit.karate.Main entry point and in the above example the current dir is also added to the classpath.
It would be great if you try the current RC version (0.9.5.RC3) to ensure we have everything working as expected.
For more information, see this part of the docs: https://github.com/intuit/karate/tree/develop/karate-netty#custom-classpath
I have installed IntelliJ IDEA on my mac and wrote the simplest Kotlin program
fun main(args : Array<String>){
println("Hello")
}
I can run it from the IDE environment. (It prints Hello of course)
My question: How can you run this from the console?
What I have done:
I tried to call
java simplekt.class
but I got
Error: could not find or load main class simplekt.class
I tried java simplekt but then I got an exception in thread main java.lang.NoClassDefFoundError
I tried to use kotlin or kotlinc but the command was not found. (where is the compiler installed?)
In this resource they use kotlinc and they produce a jar file but IDEA only output a class file.
Not really sure how to proceed from here.
When you run your application from the IDE, in the Run window the very first line is the command that the IDE executes to start your program. In my case it's something like:
/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/bin/java -Dfile.encoding=UTF-8 <a lot more omitted>
You can execute the same command in your terminal and that will execute the application. Reading that line will also (indirectly) tell you where the kotlinc command is installed, and in my case – using MacOS – it's at /Applications/IntelliJ\ IDEA.app/Contents/plugins/Kotlin/kotlinc/bin/kotlinc
However, you can always decide to entirely stop using the IDE and compile/run your program from the command line by following instructions here: https://kotlinlang.org/docs/tutorials/command-line.html
The above answer by #user2340612 is mostly right, but maybe due to software changing or some differences in what i did, it did not work for me. Following did:
to avoid repetition, i'll be using the short name: $(ideac) = "IntelliJ IDEA Community Edition 2022.2" in place of the full name
the path to the kotlinc is this one: $(ideac)\plugins\Kotlin\kotlinc\bin
much similar to the one told above, but slightly different
i have verified it to work in the command given in the command-line doc linked above or compiler-reference too: kotlinc hello.kt -include-runtime -d hello.jar
running the resultant .jar file via java -jar ./hello.jar shows the expected output
there's no kotlin-native in that folder, so, couldn't verify this native-command-line-compiler kotlin doc
Backstory/What did not work
the command under the run tab in $(ideac) no longer shows the kotlinc path
I had created the Kotlin "project" by using "new project" (intelliJ) or by "Kotlin multiplatform > JVM" (gradle)
The run command for either of these did not contain any kotlinc in them
I tried creating a new > "scratch" file; and it showed this: $(ideac)\plugins\Kotlin\bin\windows\LLDBFrontend.exe but i tried using that on CLI and it did not work either
So I have created a JavaFX8 project in IntelliJ and everything worked fine in there. I ran it with the same arguments outside IntelliJ, everything worked too. However, when I use javapackager to create an executable with the same arguments and run the created executable, no window is showing. Does anyone know why it is? Thanks a lot!
The following are the commands I used ([very-long-list-of-class-paths] are the same in all three commands):
Running in IntelliJ:
"C:\Program Files\Java\jdk1.8.0_40\bin\java" -Didea.launcher.port=7540
"-Didea.launcher.bin.path=F:\IntelliJ IDEA 14.1\bin"
-Dfile.encoding=GBK -classpath [very-long-list-of-class-paths] com.intellij.rt.execution.application.AppMain danIDE.Main
Running in cmd:
java -classpath [very-long-list-of-class-paths] danIDE.Main
Using javapackager:
javapackager -makeall -v -classpath [very-long-list-of-class-paths] -appclass danIDE.Main -name DanIDE
Here is the related error its showing:
java.exe is not a recognized file as an internal or external command,
operable or external command
errorlevel=9009
i was getting the same error on WIndows 8.1(64 bit) and checked java path but it was ok
so i just run my jmeter.bat with Run as Administrator and it worked for me
Many operating systems have an environment variable such as PATH that contains a list of directories (or folders) to be searched when looking for a command to execute. Commands that can be found via the PATH are commonly called external commands. The program that reads the command line or the batch file and invoked the commands may have a number of built in commands, these are commonly called internal commands.
I suggest you examine the PATH (or equivalent) set when your java command executes from the command line and also when execution is attempted from the batch file. Compare the two and make sure the directory containing your java.exe is in the PATH.
Does not work with Java 9 beta:
Running:
C:\java -version
Gives:
java version "9-ea"
Just go into command line and run:
java -jar ApacheJMeter.jar
Set the correct Java Path (installed in your system) in Computer -> Advanced System settings -> Environment Variables -> Ok -> System Variables -> Path
I got the same issue and resolved by following the above steps.
I tried everything, this eventually worked.
Within System Variables:
PATH = "C:\WINDOWS\system32;C:\WINDOWS;C:\Program Files\Java\jdk1.8.0_101\bin"
May help someone.
This error occurs due to the path has not been set properly.
Either you can set it in environmental varialables or right click jmeter .bat file,choose edit set the path their,for reference see the jmeter.apache.org user manuals.
For me, my Java path has a space in it and jmeter said it can't find Java
/Library/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Home
.. I looked at the jmeter.sh script and saw it got the path from "Plugin-Ins" .. onward. I tried just commenting out the exit command after that check in the script .. and then I was able to run jmeter.
So apparently the validation logic has a bug, where the error message about can't find java is in fact not true (if Java is indeed set up correctly), so it can be ignored.
For windows 8.1 Users:
Error when trying to run jmeter.bat
Error message:
Not able to find Java executable or version. Please check your Java installation. errorlevel=2
Press any Key to continue
Resolution:
Right Click jmeter.bat and Run as Administrator.
This worked for me, hope this helps. Good luck
Set the correct JM_LAUNCH variable to java.exe
For Windows XP users set Java environment by following the steps here:
http://www.tutorialspoint.com/jmeter/jmeter_environment.htm
Note the path depends on your installed JDK.
And download the file from:
https://svn.apache.org/repos/asf/jmeter/trunk/bin/jmeter.bat
Then replace your jmeter.bat with the downloaded file.
If you have installed Java and still you get this error, please set the java_home path to below using typing below command in terminal:
export JAVA_HOME="/Library/InternetPlugIns/JavaAppletPlugin.plugin/Contents/Home"
Since I run many versions of Java.. I modified jmeter.bat.
rem JM_START - set this to "start" to launch JMeter in a separate window
rem this is used by the jmeterw.cmd script.
rem
rem =====================================================
setlocal
rem Minimal version to run JMeter
set MINIMAL_VERSION=1.8.0
set PATH=%PATH%;C:\Program Files (x86)\IBM\Java80\jre\bin <<< add This line to jmeter.bat
Copied the JAVA executable from Installed version of Java from C:\Program FilesJava\jdk1.8.0_191\bin and pasted in the folder where the jmeter bat resides and it worked for me.
Not exactly the same issue but somebody might find it helpful
Do not double click jmeter.bat but instead ApacheJMeter.jar in the same directory
For me jmeter.bat run but for a brief moment closing almost immediately and not prompting any error. Above workaround allowed me to start working
if JAVA -version shows as blank or empty in the command prompt (CMD) then you need to clear the all java paths in environment variable and again add JAVA_HOME=C:\Program Files\Java\jdk-11.0.15.1
path= C:\Program Files\Java\jdk-11.0.15.1\bin;
if you see C:\Program Files\Common Files\Oracle\Java\javapath; like this remove this
and try in new CMD prompt then Java -version will work.