FailedConsole Output

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[INFO] Building Activity Palette Impl 1.6-SNAPSHOT
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[INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ activity-palette-impl ---
[INFO] Deleting /local/jenkins/jobs/taverna-ui-impl-maintenance/workspace/activity-palette-impl/target
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[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ activity-palette-impl ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 1 resource
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[INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ activity-palette-impl ---
[INFO] Changes detected - recompiling the module!
[INFO] Compiling 11 source files to /local/jenkins/jobs/taverna-ui-impl-maintenance/workspace/activity-palette-impl/target/classes
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[WARNING] COMPILATION WARNING : 
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[WARNING] /local/jenkins/jobs/taverna-ui-impl-maintenance/workspace/activity-palette-impl/src/main/java/net/sf/taverna/t2/servicedescriptions/impl/ServiceDescriptionRegistryImpl.java: Some input files use unchecked or unsafe operations.
[WARNING] /local/jenkins/jobs/taverna-ui-impl-maintenance/workspace/activity-palette-impl/src/main/java/net/sf/taverna/t2/servicedescriptions/impl/ServiceDescriptionRegistryImpl.java: Recompile with -Xlint:unchecked for details.
[INFO] 2 warnings 
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[ERROR] COMPILATION ERROR : 
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[ERROR] /local/jenkins/jobs/taverna-ui-impl-maintenance/workspace/activity-palette-impl/src/main/java/net/sf/taverna/t2/servicedescriptions/impl/ServiceDescriptionRegistryImpl.java:[407,9] method does not override or implement a method from a supertype
[ERROR] /local/jenkins/jobs/taverna-ui-impl-maintenance/workspace/activity-palette-impl/src/main/java/net/sf/taverna/t2/servicedescriptions/impl/ServiceDescriptionRegistryImpl.java:[495,42] constructor RemovedProviderEvent in class net.sf.taverna.t2.servicedescriptions.events.RemovedProviderEvent cannot be applied to given types;
  required: net.sf.taverna.t2.servicedescriptions.ServiceDescriptionProvider
  found: net.sf.taverna.t2.servicedescriptions.ServiceDescriptionProvider,java.util.Set<net.sf.taverna.t2.servicedescriptions.ServiceDescription>
  reason: actual and formal argument lists differ in length
[INFO] 2 errors 
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