Cannot create jacoco report

[jacoco:coverage] Enhancing junit with coverage
[junit] Running org.jboss.jbossts.qa.junit.testgroup.TestGroup_jdbcresources02_pgsql_jndi
[junit] Tests run: 30, Failures: 0, Errors: 0, Time elapsed: 412.658 sec

ci-tests:

BUILD SUCCESSFUL
Total time: 447 minutes 53 seconds
generating test coverage report
Buildfile: /home/hudson/workspace/narayana-codeCoverage/qa/run-tests.xml

jacoco-report:
[jacoco:report] Loading execution data file /home/hudson/workspace/narayana-codeCoverage/qa/testoutput/jacoco-qa.exec

BUILD FAILED
/home/hudson/workspace/narayana-codeCoverage/qa/run-tests.xml:544: Error while creating report