[..]
Found mavenVersion 2.2.1 from file jar:file:/srv/hudson/maven221/lib/maven-2.2.1-uber.jar!/META-INF/maven/org.apache.maven/maven-core/pom.properties
Parsing POMs
ERROR: POMs konnten nicht geparst werden
hudson.maven.MavenEmbedderException: 1 problem was encountered while building the effective settings
[ERROR] 'mirrors.mirror.mirrorOf' for nexus-wuerzburg is missing @ /srv/hudson/maven221/conf/settings.xml

	at hudson.maven.MavenEmbedder.<init>(MavenEmbedder.java:130)
	at hudson.maven.MavenEmbedder.<init>(MavenEmbedder.java:111)
	at hudson.maven.MavenEmbedder.<init>(MavenEmbedder.java:138)
	at hudson.maven.MavenUtil.createEmbedder(MavenUtil.java:196)
	at hudson.maven.MavenModuleSetBuild$PomParser.invoke(MavenModuleSetBuild.java:1087)
	at hudson.maven.MavenModuleSetBuild$PomParser.invoke(MavenModuleSetBuild.java:985)
	at hudson.FilePath.act(FilePath.java:756)
	at hudson.FilePath.act(FilePath.java:738)
	at hudson.maven.MavenModuleSetBuild$RunnerImpl.parsePoms(MavenModuleSetBuild.java:691)
	at hudson.maven.MavenModuleSetBuild$RunnerImpl.doRun(MavenModuleSetBuild.java:527)
	at hudson.model.AbstractBuild$AbstractRunner.run(AbstractBuild.java:417)
	at hudson.model.Run.run(Run.java:1362)
	at hudson.maven.MavenModuleSetBuild.run(MavenModuleSetBuild.java:401)
	at hudson.model.ResourceController.execute(ResourceController.java:88)
	at hudson.model.Executor.run(Executor.java:145)
Caused by: hudson.maven.MavenEmbedderException: 1 problem was encountered while building the effective settings
[ERROR] 'mirrors.mirror.mirrorOf' for nexus-wuerzburg is missing @ /srv/hudson/maven221/conf/settings.xml

	at hudson.maven.MavenEmbedder.getSettings(MavenEmbedder.java:260)
	at hudson.maven.MavenEmbedder.buildMavenExecutionRequest(MavenEmbedder.java:155)
	at hudson.maven.MavenEmbedder.<init>(MavenEmbedder.java:122)
	... 14 more
Caused by: org.apache.maven.settings.building.SettingsBuildingException: 1 problem was encountered while building the effective settings
[ERROR] 'mirrors.mirror.mirrorOf' for nexus-wuerzburg is missing @ /srv/hudson/maven221/conf/settings.xml

	at org.apache.maven.settings.building.DefaultSettingsBuilder.build(DefaultSettingsBuilder.java:116)
	at hudson.maven.MavenEmbedder.getSettings(MavenEmbedder.java:258)
	... 16 more
Finished: FAILURE
[..]