Maven Error

[fmur...@kabianga.ac.ke]

Hi, am trying to install dspace 6.3 on ubuntu 18.04 and getting the error below when downloading maven packages. I have openJDK version 10 installed. Kindly assist. Thank you

Downloading from central: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-enforcer-plugin/1.4.1/maven-enforcer-plugin-1.4.1.pom

[INFO] ------------------------------------------------------------------------

[INFO] Reactor Summary:

[INFO]

[INFO] DSpace Parent Project .............................. FAILURE [  1.051 s]

[INFO] DSpace Addon Modules ............................... SKIPPED

[INFO] DSpace Kernel :: Additions and Local Customizations  SKIPPED

[INFO] DSpace XML-UI (Manakin) :: Local Customizations .... SKIPPED

[INFO] DSpace JSP-UI :: Local Customizations .............. SKIPPED

[INFO] DSpace RDF :: Local Customizations ................. SKIPPED

[INFO] DSpace REST :: Local Customizations ................ SKIPPED

[INFO] DSpace SWORD :: Local Customizations ............... SKIPPED

[INFO] DSpace SWORD v2 :: Local Customizations ............ SKIPPED

[INFO] DSpace SOLR :: Local Customizations ................ SKIPPED

[INFO] DSpace OAI-PMH :: Local Customizations ............. SKIPPED

[INFO] DSpace Assembly and Configuration .................. SKIPPED

[INFO] ------------------------------------------------------------------------

[INFO] BUILD FAILURE

[INFO] ------------------------------------------------------------------------

[INFO] Total time: 1.441 s

[INFO] Finished at: 2018-07-18T06:57:05Z

[INFO] Final Memory: 11M/60M

[INFO] ------------------------------------------------------------------------

[ERROR] Plugin org.apache.maven.plugins:maven-enforcer-plugin:1.4.1 or one of its dependencies could not be resolved: Failed to read artifact descriptor for org.apache.maven.plugins:maven-enforcer-plugin:jar:1.4.1: Could not transfer artifact org.apache.maven.plugins:maven-enforcer-plugin:pom:1.4.1 from/to central (https://repo.maven.apache.org/maven2): java.lang.RuntimeException: Unexpected error: java.security.InvalidAlgorithmParameterException: the trustAnchors parameter must be non-empty -> [Help 1]

[ERROR]

[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.

[ERROR] Re-run Maven using the -X switch to enable full debug logging.

[ERROR]

[ERROR] For more information about the errors and possible solutions, please read the following articles:

[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/PluginResolutionException

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[Tim Donohue]

Hello,

DSpace 6.x has not been tested with OpenJDK version 10, so we cannot guarrantee it will work with that version of OpenJDK.

As noted in the DSpace 6.x installation guide, DSpace 6.x requires Java JDK version 7 or 8 (Version 8 is recommended, as 7 is now End-of-Life):

https://wiki.duraspace.org/display/DSDOC6x/Installing+DSpace#InstallingDSpace-JavaJDK7or8(OpenJDKorOracleJDK) 

So, I'd recommend installing OpenJDK version 8 and trying the build again.  If you are still hitting issues, feel free to post back to this mailing list

Good luck,

Tim

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Tim Donohue
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DuraSpace.org | DSpace.org | DSpaceDirect.org

[felix muriuki]

Thanks Tim for the insight. I have uninstalled openJDK 10 and installed openJDK 8. The error still occurs

Sent from my iPhone

[Manuele Lorusso]

Hi Felix,

maybe this workaround in the second answer can solve the error:

https://stackoverflow.com/questions/6784463/error-trustanchors-parameter-must-be-non-empty

Best regards,

Manuele

Manuele Lorusso
Software engineer
University of Konstanz

[Felix Muriuki]

Thanks Tim, uninstalled all java instances and reinstalled openJDK version 8 and it worked.

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For more options, visit https://groups.google.com/d/optout.

--

Tim Donohue
Technical Lead for DSpace & DSpaceDirect
DuraSpace.org | DSpace.org | DSpaceDirect.org

--

Regards,

Felix Muriuki,

Systems Librarian,

University of Kabianga,

#2030 - 20200,

Kericho.

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When in doubt go to the library. ~J.K. Rowling