Question

Following is a stdout trace:

cobertura-plugin$ mvn clean package
[INFO] Scanning for projects...
[INFO] ------------------------------------------------------------------------
[ERROR] BUILD ERROR
[INFO] ------------------------------------------------------------------------
[INFO] Failed to resolve artifact.

Missing:
----------
1) com.sun:tools:jar:1.5

  Try downloading the file manually from the project website.

  Then, install it using the command: 
      mvn install:install-file -DgroupId=com.sun -DartifactId=tools -Dversion=1.5 -Dpackaging=jar -Dfile=/path/to/file

  Alternatively, if you host your own repository you can deploy the file there: 
      mvn deploy:deploy-file -DgroupId=com.sun -DartifactId=tools -Dversion=1.5 -Dpackaging=jar -Dfile=/path/to/file -Durl=[url] -DrepositoryId=[id]

  Path to dependency: 
    1) org.jenkins-ci.tools:maven-hpi-plugin:maven-plugin:1.67
    2) org.kohsuke.stapler:maven-stapler-plugin:jar:1.15
    3) com.sun:tools:jar:1.5

----------
1 required artifact is missing.

for artifact: 
  org.jenkins-ci.tools:maven-hpi-plugin:maven-plugin:1.67

from the specified remote repositories:
  central (http://repo1.maven.org/maven2),
  m.g.o-public (http://maven.glassfish.org/content/groups/public/)



[INFO] ------------------------------------------------------------------------
[INFO] For more information, run Maven with the -e switch
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 1 second
[INFO] Finished at: Mon Jun 20 22:25:17 EDT 2011
[INFO] Final Memory: 9M/21M
[INFO] ------------------------------------------------------------------------

Answer 1

You may be facing the problem discussed here. Your JAVA_HOME maybe pointing to the JRE instead of JDK.