Maven

Maven Troubleshooting

December 7, 2017 Leave a Comment

rajeshkumar created the topic: Maven troubleshooting
i would like to knpw “Most Common Issues in Maven”?

Any body can focus on this?
Regards,
Rajesh Kumar
Twitt me @ twitter.com/RajeshKumarIn

mnanjala replied the topic: Re:Maven troubleshooting
You may get error with Java Heap Size error.
Solution: set the Environment Variable of MAVEN_OPTS to “-Xms512m -Xmx512m -XX:MaxPermSize=1024m”

mnanjala replied the topic: Re:Maven troubleshooting
2)ArtifactResolutionException

This error generally occurs when Maven could not download dependencies. Possible causes for this error are:

1. The repository you have configured requires authentication and Maven failed to provide the correct credentials to the server. In this case, make sure your ${user.home}/.m2/settings.xml contains a declaration whose matches the of the plugin repository to use. See the Maven Settings Reference for more details.
2. The remote repository in question uses SSL and the JVM running Maven does not trust the certificate of the server.
5. Maven failed to save the files to your local repository.
4. You have configured Maven to perform strict checksum validation and the files to download got corrupted.
3. There is a general network problem that prevents Maven from accessing any remote repository, e.g. a missing proxy configuration.(Communication Issue local box and repo)

mnanjala replied the topic: Re:Maven troubleshooting
3)DuplicateProjectException
This error signals a collision of project identifiers during a reactor build. The coordinates for a project as given by its group id, artifact id and version must be unique within a reactor build. The usual cause for this error is a in one of the POMs so please verify the project coordinates are correctly set and valid.

mnanjala replied the topic: Re:Maven troubleshooting
InternalErrorException

This error indicates a bug in Maven itself.

1. Capture the debug output of the failing build, e.g. by adding the flag -X to the command line and redirecting the console output of Maven to a file:

mvn -X > debug.log

2.If interested report this bug to maven gurus you could submit a ticket in jira.codehaus.org/browse/MNG so we can avoid this bug in future provided bug has been fixed.It is said it is intermittent.

mnanjala replied the topic: Re:Maven troubleshooting
4) InvalidPluginDescriptorException
This error signals incomplete or wrong information in the descriptor for a plugin. The plugin descriptor is a special file in the plugin’s JAR file. An invalid descriptor is usually the result of bad driving while assembling the plugin. Please report this issue to the maintainer of the plugin in question.

Not a bad idea to try out another version of the plugin, there’s not much you as a user can do.

Rajesh Kumar
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