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Drill, mail # dev - RE: [OS: Windows] Could not find or load main class sqlline.SqlLine

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Re: [OS: Windows] Could not find or load main class sqlline.SqlLine
Marco Sandrini 2013-12-28, 20:04

Can you try changing the classpathPrefix in your maven pom file from
Or better:

Notice the '/' at the beginning and at the end of the path. This works for

Best Regards,

On Sat, Dec 28, 2013 at 10:00 AM, Ravisankar Sivasubramaniam <

>  Progress so far
> -------------------
> Looks like apache-rat-plugin didn't like me logging the content to log.txt
> under incubator-drill.  Once I instructed mvn to log the output outside
> the folder, the build got completed without any error.
> Open issue
> ---------------
> The sqlline.bat looks as follows:
> *if not exist contrib\sqlline\target (    cd contrib\sqlline    mvn
> package    cd ..\..)*
> *java -Xmx1G
> -Dlogback.configurationFile=.\sqlparser\src\test\resources\logback.xml -jar
> contrib\sqlline\target\drill-sqlline-1.0.0-m2-incubating-SNAPSHOT.jar
> --verbose=true*
> The updated pom.xml has been attached.  In the pom.xml I have included
> maven-jar-plugin to add Manifest entries for Classpath and Main-Class.  I
> have attached the MANIFEST.MF as well for reference.  As per jar spec<http://docs.oracle.com/javase/7/docs/technotes/guides/jar/jar.html#Notes_on_Manifest_and_Signature_Files>,
> maven breaks the classpath at 72 and the continuation starts with a single
> space.  I have checked that all the files specified in the classpath is
> available in my local repository.
> The problem I am facing is that java is not able to find sqlline.SqlLine
> class from the classpath.
> *D:\workspace\incubator-drill>java -Xmx1G
> -Dlogback.configurationFile=.\sqlparser\src\test\resources\logback.xml -jar
> contrib\sqlline\target\drill-sqlline-1.0.0-m2-incubating-SNAPSHOT.jar
> --verbose=trueError: Could not find or load main class sqlline.SqlLine*
> For now I have ignored passing the command line parameter.  But that is
> not related to the problem at hand.
> This <http://stackoverflow.com/questions/6780678/run-class-in-jar-file>SO answer suggests the command be included in the back quotes, if the
> command is not executed from the directory containing the jar, but Windows
> doesn't support command substitution.
> And this<http://stackoverflow.com/questions/16626883/maven-error-trying-to-adding-arbitrary-classpath-in-manifest-mf>SO answer suggests to downgrade the maven version to 2.3.2 and change
> classpath configuration so that each jar path starts in a new line.  Since
> I am not manually adding the classpath, I am not sure how to implement this
> suggestion.
> Would you please let me know your thoughts on this?  I appreciate any help
> on this.
> Regards,
> Ravi
> ------------------------------
> Subject: RE: [OS: Windows] Could not find or load main class
> sqlline.SqlLine
> Date: Sat, 28 Dec 2013 15:33:44 +0530
> Some more information to troubleshoot the problem.  If I execute "mvn
> clean install -DskipTests", I am getting the output given at the bottom of
> this email, which indicates success.  On the other hand if I try to log the
> output into file, I am getting an error.  I am attaching the log file for
> reference.
> [INFO]
> [INFO] --- maven-install-plugin:2.3.1:install (default-install) @
> distribution ---
> [INFO] Installing D:\workspace\incubator-drill\distribution\pom.xml to
> C:\Users\ravisankars\.m2\repository\org\apache\drill\distribution\1.0.0-m2-incubating-SNA
> PSHOT\distribution-1.0.0-m2-incubating-SNAPSHOT.pom
> [INFO] Installing
> D:\workspace\incubator-drill\distribution\target\apache-drill-1.0.0-m2-incubating-SNAPSHOT-binary-release.tar.gz
> to C:\Users\ravisankars\.m2\r
> epository\org\apache\drill\distribution\1.0.0-m2-incubating-SNAPSHOT\distribution-1.0.0-m2-incubating-SNAPSHOT-binary-release.tar.gz
> [INFO]