Silk cannot be compiled

[Jindřich Mynarz]

Hi,

I found that the current version of Silk from its GitHub repository (https://github.com/silk-framework/silk) cannot be compiled. I tried both the master branch and the develop branch. In both cases, running `sbt "project singlemachine" assembly` throws this exception:

[warn] /Users/mynarzjindrich/Dev/silk/silk-core/src/main/scala/org/silkframework/runtime/serialization/ValidatingXMLReader.scala:23: imported `ValidationException' is permanently hidden by definition of class ValidationException in package serialization

[warn] import org.silkframework.runtime.validation.{ValidationError, ValidationException}

[warn]                                                               ^

[error] /Users/mynarzjindrich/Dev/silk/silk-core/src/main/scala/org/silkframework/runtime/serialization/ValidatingXMLReader.scala:111: overloaded method constructor ValidationException with alternatives:

[error]   (error: String)org.silkframework.runtime.serialization.ValidationException <and>

[error]   (errors: Seq[org.silkframework.runtime.serialization.ValidationException.ValidationError])org.silkframework.runtime.serialization.ValidationException

[error]  cannot be applied to (List[org.silkframework.runtime.validation.ValidationError])

[error]         throw new ValidationException(validationErrors.reverse)

[error]               ^

[error] /Users/mynarzjindrich/Dev/silk/silk-core/src/main/scala/org/silkframework/runtime/serialization/ValidatingXMLReader.scala:148: overloaded method constructor ValidationException with alternatives:

[error]   (error: String)org.silkframework.runtime.serialization.ValidationException <and>

[error]   (errors: scala.collection.Seq[org.silkframework.runtime.serialization.ValidationException.ValidationError])org.silkframework.runtime.serialization.ValidationException

[error]  cannot be applied to (scala.collection.immutable.Seq[org.silkframework.runtime.validation.ValidationError])

[error]         throw new ValidationException(errors)

[error]               ^

[warn] one warning found

[error] two errors found

[error] (core/compile:compileIncremental) Compilation failed

My context:

$ sbt --version

sbt launcher version 0.13.8

$ javac -version

javac 1.8.0_74

Should I use a different branch?

- Jindřich

-- 

Jindřich Mynarz

http://mynarz.net/#jindrich

[Robert Isele]

Hi Jindřich,

I just executed './sbt "project singlemachine" assembly' on develop, which worked for me.

It seems that your version of sbt is older than the one configured in silk/project/build.properties.

Could you please retry using ./sbt instead of sbt so that the local copy of sbt as committed in the root of the repository is used?

You can also try to excute ./sbt clean before, to make sure that the build is clean.

Kind regards,

Robert

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[Jindřich Mynarz]

Hi Robert,

indeed, cleaning the build with `./sbt clean` and using the provided version of SBT makes `./sbt "project singlemachine" assembly` work. It probably was caused on my side by some failed previous builds.

Thanks,

Jindřich

-- 

Jindřich Mynarz

http://mynarz.net/#jindrich