Re: AutoWEKAClassifier

Hi Peter,

I can reproduce the error on my Ubuntu 20.04 with the start command 
"java -jar weka.jar". I find that if I start weka with the weka.sh, it 
works fine. So I assume it could relate with startup settings such as 
-classpath. Furthermore, I find if I start it with "java $PWD/weka.jar", 
it work find too. I think we should launch weka.jar with an "absolute path".

Cheers,

Justin Liu

On 1/10/21 9:50 am, Peter Reutemann wrote:
>> I was trying to reproduce the error you mentioned. Currently, it looks working fine on my ubuntu 20.04 and windows 10 with openjdk 11 and bundled java runtime (ZuluFX).
>>
>> One thing I should mention that auto-weka will make a command call for running its evaluator while running. Please make sure that you can invoke “java” in your terminal environment as well. If it still not work, please send me your running environment such as the version of OS, JDK, WEKA, and a log file if possible. I will try to reproduce the error.
> OS:
> cat /etc/lsb-release
> DISTRIB_ID=LinuxMint
> DISTRIB_RELEASE=20.2
> DISTRIB_CODENAME=uma
> DISTRIB_DESCRIPTION="Linux Mint 20.2 Uma"
> Based on Ubuntu Focal (= 20.04)
>
> JDK:
> java -version
> openjdk version "11.0.11" 2021-04-20
> OpenJDK Runtime Environment (build 11.0.11+9-Ubuntu-0ubuntu2.20.04)
> OpenJDK 64-Bit Server VM (build 11.0.11+9-Ubuntu-0ubuntu2.20.04, mixed
> mode, sharing)
>
> Weka 3.9.5/3.8.5 get started like this:
> java -jar weka.jar
>
> Each time, iris dataset was loaded in the Explorer and AutoWeka
> launched from the AutoWeka tab.
>
> $HOME/wekafiles/weka.log files for both runs are attached.
>
> AutoWeka 2.6.3 is in the only installed package.
>
> Using Eibe's _JAVA_OPTIONS makes no difference, produces the same error:
> export _JAVA_OPTIONS="-Xmx6g --add-opens=java.base/java.lang=ALL-UNNAMED"
>
> Cheers, Peter
>
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