How to set up the trec car java tools on macOS?

[Rohan Chhokra]

Hey everyone!

I've really been busting my brains about this but cannot seem to get it right. This is the repository(https://github.com/TREMA-UNH/trec-car-tools-java/tree/12) which I've been using. I am doing the following steps - 

1. Clone the repository

2. cd into the repository and do an "mvn compile"

3. cd into the new target directory into it's classes sub directory 

4. My next command is java edu.unh.cs.treccar_v2.read_data.ReadDataTest paragraphs FILEPATH_TO_A_CBOR_FILE ("unprocessedAllButBenchmark.Y2.cbor").

Can someone please guide me as to where I am going wrong? 

[Rohan Chhokra]

Almost forgot to mention the error I am getting. 

"Exception in thread "main" java.lang.NoClassDefFoundError: co/nstant/in/cbor/model/DataItem

at edu.unh.cs.treccar_v2.read_data.ReadDataTest.main(ReadDataTest.java:52)

Caused by: java.lang.ClassNotFoundException: co.nstant.in.cbor.model.DataItem

at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:583)

at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)

at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)

... 1 more"

[Laura Dietz]

Rohan,

You cannot call a library method from the command line, especially when you are not setting any class path.  Please write your own code and use maven for your dependency management.

See examples on how to use the tools here: https://github.com/TREMA-UNH/trec-car-tools/.

For some example java project on how to read the files, see here:

https://github.com/TREMA-UNH/trec-car-tools/tree/master/trec-car-tools-example

Best,

Laura

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