Failed to execute goal org.apache.openjpa:openjpa-maven-plugin:2.2.0

[yaodwwy]

[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO]
[INFO] API Secure ......................................... SUCCESS [ 1.431 s]
[INFO] API Secure - resource server library ............... SUCCESS [ 11.344 s]
[INFO] API Secure - authorization server .................. FAILURE [01:23 min]
[INFO] API Secure - conext authentication plugin .......... SKIPPED
[INFO] API Secure - example resource server ............... SKIPPED
[INFO] Connector to customize schema for Jetty 8 .......... SKIPPED
[INFO] API Secure - mock openconext group api ............. SKIPPED
[INFO] API Secure - authorization server webapp ........... SKIPPED
[INFO] API Secure - example resource server war ........... SKIPPED
[INFO] API Secure - example client app war ................ SKIPPED
[INFO] API Secure - authorization server webapp dist ...... SKIPPED
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 01:37 min
[INFO] Finished at: 2016-07-04T16:27:54+08:00
[INFO] Final Memory: 29M/228M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.openjpa:openjpa-maven-plugin:2.2.0:enhance (enhancer) on project apis-authorization-server: Execution enhancer of goal org.apache.openjpa:openjpa-maven-plugin:2.2.0:enhanc
e failed: Plugin org.apache.openjpa:openjpa-maven-plugin:2.2.0 or one of its dependencies could not be resolved: The following artifacts could not be resolved: org.apache.openjpa:openjpa-kernel:jar:2.2.0, org.apac
he.openjpa:openjpa-jdbc:jar:2.2.0, org.apache.openjpa:openjpa-persistence:jar:2.2.0: Could not transfer artifact org.apache.openjpa:openjpa-kernel:jar:2.2.0 from/to CN (http://maven.oschina.net/content/groups/publ
ic/): Failed to transfer file: http://maven.oschina.net/content/groups/public/org/apache/openjpa/openjpa-kernel/2.2.0/openjpa-kernel-2.2.0.jar. Return code is: 504, ReasonPhrase: Gateway Time-out. -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/PluginResolutionException
[ERROR]
[ERROR] After correcting the problems, you can resume the build with the command
[ERROR] mvn -rf :apis-authorization-server

[yaodwwy]

http://maven.oschina.net/content/groups/public/com/fasterxml/jackson/jackson-datatype-guava/1.9.1/jackson-datatype-guava-1.9.1.pom

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