Problem with adding jxl.jar !

[Yasmine Bahri]

Hi all,

I'm developing a Cytoscape 3 bundle app which uses an external package called "jxl.jar" () that I add it to the class path of my project but when I add the app to cytoscape it failed to load.

I need to use the jxl package to import some informations from an excel document.

I think that I have to add the new package to the dependency of the pom.xml. I write the following lines baut I got an error : missing artifactId for org.jxl:jxl:2.6.12 !

                

                <dependency>

<groupId>org.jxl</groupId>

<artifactId>jxl</artifactId>

<version>2.6.12</version>

</dependency>

Any help please  ?

[piet molenaar]

Hi,

Following the hints from Jason, Samad and Tim (somewhere in the discuss thread) I succeeded in including the jars by also modifying the the configuration of the maven bundle plugin: in my case for the apache math lib and mysql connector:

<plugin>

<groupId>org.apache.felix</groupId>

<artifactId>maven-bundle-plugin</artifactId>

<version>2.3.7</version>

<extensions>true</extensions>

<configuration>

<instructions>

<Bundle-SymbolicName>${bundle.symbolicName}</Bundle-SymbolicName>

<Bundle-Version>${project.version}</Bundle-Version>

<Export-Package>${bundle.namespace}</Export-Package>

<Private-Package>${bundle.namespace}.internal.*</Private-Package>

<Bundle-Activator>${bundle.namespace}.internal.CyActivator</Bundle-Activator>

<Import-Package>

         com.mysql.jdbc;version:=5.1.30,*;resolution:=optional,

        org.apache.commons.math3;version:=3.0;resolution:=optional

        </Import-Package>

<Embed-Dependency>

mysql-connector-java;inline=true,

commons-math3;inline=true

</Embed-Dependency>

</instructions>

</configuration>

</plugin>

Furthermore you have to add the dependencies and set these to optional:

<dependency>

<groupId>mysql</groupId>

<artifactId>mysql-connector-java</artifactId>

<version>5.1.30</version>

<optional>true</optional>

</dependency>

<dependency>

<groupId>org.apache.commons</groupId>

<artifactId>commons-math3</artifactId>

<version>3.0</version>

<optional>true</optional>

</dependency>

Hope this helps!

Piet

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[Yasmine Bahri]

Thank you Piet but it deosn't work for me :( and I got the following error :

ArtifactDescriptorException: Failed to read artifact descriptor for org.jxl:jxl:jar:2.6.12: ArtifactResolutionException: Failure to transfer org.jxl:jxl:pom:2.6.12 from http://code.cytoscape.org/nexus/content/repositories/releases/ was cached in the local repository, resolution will not be reattempted until the update interval of cytoscape_releases has elapsed or updates are forced. Original error: Could not transfer artifact org.jxl:jxl:pom:2.6.12 from/to cytoscape_releases (http://code.cytoscape.org/nexus/content/repositories/releases/): code.cytoscape.org pom.xml /CerebralCy3.1 line 1 Maven Dependency Problem

[piet molenaar]

Hi,

I'm not sure whether you use an IDE (like eclipse that I'm using) but I think you'd have to add a maven repository where the jar can be loaded from. In eclipse this can be done through the interface that automagically adds the maven repository:

    <repository>

      <snapshots>

        <enabled>false</enabled>

      </snapshots>

      <id>central</id>

      <name>Central Repository</name>

      <url>http://repo.maven.apache.org/maven2</url>

    </repository>

Not sure whether your jar is in there though.

Piet

[Stefano Schivo]

Oh my god, thank you so much: I have been hitting my head against maven for a couple of painful days before finding your illuminating post!
Indeed, also the "optional" thing is important. Finally I can include the jar of the libraries on which I depend directly in the app package =)
Thank you again!

[Igor Rodchenkov]

Great! Here are my two cents:

Here is that discussion topic (but such questions have been answered many time before that as well): https://groups.google.com/forum/#!topic/cytostaff/J2Itp7VLnMM

and the tutorial (by Samad): http://wiki.cytoscape.org/HowToAddLibraryDependencies

Also, ";inline=true" is not a must and even hurts some projects (I had such case).

Best,

Igor R.