FailedConsole Output

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[INFO] Building Workflow Model implementation 1.6-SNAPSHOT
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[INFO] Downloading: http://repository.mygrid.org.uk/artifactory/repo/com/thoughtworks/xstream/xstream/1.4.1/xstream-1.4.1.pom
[INFO] Downloaded: http://repository.mygrid.org.uk/artifactory/repo/com/thoughtworks/xstream/xstream/1.4.1/xstream-1.4.1.pom (14 KB at 150.6 KB/sec)
[INFO] Downloading: http://repository.mygrid.org.uk/artifactory/repo/com/thoughtworks/xstream/xstream-parent/1.4.1/xstream-parent-1.4.1.pom
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[INFO] Downloading: http://repository.mygrid.org.uk/artifactory/repo/org/codehaus/codehaus-parent/3/codehaus-parent-3.pom
[INFO] Downloaded: http://repository.mygrid.org.uk/artifactory/repo/org/codehaus/codehaus-parent/3/codehaus-parent-3.pom (5 KB at 40.1 KB/sec)
[INFO] Downloading: http://repository.mygrid.org.uk/artifactory/repo/xmlpull/xmlpull/1.1.3.1/xmlpull-1.1.3.1.pom
[INFO] Downloaded: http://repository.mygrid.org.uk/artifactory/repo/xmlpull/xmlpull/1.1.3.1/xmlpull-1.1.3.1.pom (386 B at 11.4 KB/sec)
[INFO] Downloading: http://repository.mygrid.org.uk/artifactory/repo/xpp3/xpp3_min/1.1.4c/xpp3_min-1.1.4c.pom
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[INFO] Downloading: http://repository.mygrid.org.uk/artifactory/repo/com/thoughtworks/xstream/xstream/1.4.1/xstream-1.4.1.jar
[INFO] Downloading: http://repository.mygrid.org.uk/artifactory/repo/xpp3/xpp3_min/1.1.4c/xpp3_min-1.1.4c.jar
[INFO] Downloading: http://repository.mygrid.org.uk/artifactory/repo/xmlpull/xmlpull/1.1.3.1/xmlpull-1.1.3.1.jar
[INFO] Downloaded: http://repository.mygrid.org.uk/artifactory/repo/xmlpull/xmlpull/1.1.3.1/xmlpull-1.1.3.1.jar (8 KB at 117.0 KB/sec)
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[INFO] Downloaded: http://repository.mygrid.org.uk/artifactory/repo/com/thoughtworks/xstream/xstream/1.4.1/xstream-1.4.1.jar (485 KB at 3409.0 KB/sec)
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[INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ workflowmodel-impl ---
[INFO] Deleting /var/lib/jenkins/workspace/taverna-engine-core-maintenance/workflowmodel-impl/target
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[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ workflowmodel-impl ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 8 resources
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[INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ workflowmodel-impl ---
[INFO] Changes detected - recompiling the module!
[INFO] Compiling 137 source files to /var/lib/jenkins/workspace/taverna-engine-core-maintenance/workflowmodel-impl/target/classes
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[WARNING] COMPILATION WARNING : 
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[WARNING] /var/lib/jenkins/workspace/taverna-engine-core-maintenance/workflowmodel-impl/src/main/java/net/sf/taverna/t2/workflowmodel/utils/Tools.java: Some input files use unchecked or unsafe operations.
[WARNING] /var/lib/jenkins/workspace/taverna-engine-core-maintenance/workflowmodel-impl/src/main/java/net/sf/taverna/t2/workflowmodel/utils/Tools.java: Recompile with -Xlint:unchecked for details.
[INFO] 2 warnings 
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[ERROR] COMPILATION ERROR : 
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[ERROR] /var/lib/jenkins/workspace/taverna-engine-core-maintenance/workflowmodel-impl/src/main/java/net/sf/taverna/t2/workflowmodel/utils/AnnotationTools.java:[41,24] incompatible types
  required: java.lang.Iterable<java.lang.Class>
  found:    net.sf.taverna.raven.spi.SpiRegistry
[INFO] 1 error
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