Build failed in Jenkins: java-identity-provider » Shibboleth IdP :: SAML Profile Implementation #3053

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See <https://build.shibboleth.net/jenkins/job/java-identity-provider/net.shibboleth.idp$idp-saml-impl/3053/>

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[INFO] Building Shibboleth IdP :: SAML Profile Implementation 3.0-SNAPSHOT
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[INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ idp-saml-impl ---
[INFO] Deleting <https://build.shibboleth.net/jenkins/job/java-identity-provider/net.shibboleth.idp$idp-saml-impl/ws/target>
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[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ idp-saml-impl ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 2 resources
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[INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ idp-saml-impl ---
[INFO] Changes detected - recompiling the module!
[INFO] Compiling 137 source files to <https://build.shibboleth.net/jenkins/job/java-identity-provider/net.shibboleth.idp$idp-saml-impl/ws/target/classes>
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[WARNING] COMPILATION WARNING : 
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[WARNING] <https://build.shibboleth.net/jenkins/job/java-identity-provider/net.shibboleth.idp$idp-saml-impl/ws/src/main/java/net/shibboleth/idp/saml/profile/impl/InitializeOutboundMessageContext.java>: Some input files use unchecked or unsafe operations.
[WARNING] <https://build.shibboleth.net/jenkins/job/java-identity-provider/net.shibboleth.idp$idp-saml-impl/ws/src/main/java/net/shibboleth/idp/saml/profile/impl/InitializeOutboundMessageContext.java>: Recompile with -Xlint:unchecked for details.
[INFO] 2 warnings 
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[ERROR] COMPILATION ERROR : 
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[ERROR] <https://build.shibboleth.net/jenkins/job/java-identity-provider/net.shibboleth.idp$idp-saml-impl/ws/src/main/java/net/shibboleth/idp/saml/metadata/impl/RelyingPartyMetadataProvider.java>:[44,8] net.shibboleth.idp.saml.metadata.impl.RelyingPartyMetadataProvider is not abstract and does not override abstract method getLastUpdate() in org.opensaml.saml.metadata.resolver.RefreshableMetadataResolver
[INFO] 1 error
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[JENKINS] Archiving disabled