Installing Add-on Gets stuck and throws Unsupported major.minor version 52.0
プラットフォームについて: Server および Data Center のみ。この記事は、Server および Data Center プラットフォームのアトラシアン製品にのみ適用されます。
Support for Server* products ended on February 15th 2024. If you are running a Server product, you can visit the Atlassian Server end of support announcement to review your migration options.
*Fisheye および Crucible は除く
問題
When installing and add-on, it gets stuck using the UI.
atlassian-bitbucket.log: に次のメッセージが出力される。
2015-12-08 08:50:39,489 ERROR [ThreadPoolAsyncTaskExecutor::Thread 32] Adam @27RGFBx530x321784x0 1f0e1cf 172.29.139.22 "POST /rest/plugins/1.0/ HTTP/1.1" c.a.plugin.osgi.factory.OsgiPlugin Unable to start the plugin container for plugin 'com.palantir.stash.stashbot'
org.springframework.beans.factory.CannotLoadBeanClassException: Error loading class [com.palantir.stash.stashbot.outputhandler.CommandOutputHandlerFactory] for bean with name 'commandOutputHandlerFactory' defined in URL [bundle://99.0:0/META-INF/spring/atlassian-plugins-components.xml]: problem with class file or dependent class; nested exception is java.lang.UnsupportedClassVersionError: com/palantir/stash/stashbot/outputhandler/CommandOutputHandlerFactory : Unsupported major.minor version 52.0
at org.springframework.beans.factory.support.AbstractBeanFactory.resolveBeanClass(AbstractBeanFactory.java:1144) ~[spring-beans-4.1.4.RELEASE.jar:4.1.4.RELEASE]
...
Caused by: java.lang.UnsupportedClassVersionError: com/palantir/stash/stashbot/outputhandler/CommandOutputHandlerFactory : Unsupported major.minor version 52.0
at java.lang.ClassLoader.defineClass1(Native Method) ~[na:1.7.0_65]
...
2015-12-08 08:50:39,493 ERROR [ThreadPoolAsyncTaskExecutor::Thread 32] Adam @27RGFBx530x321784x0 1f0e1cf 172.29.139.22 "POST /rest/plugins/1.0/ HTTP/1.1" o.s.o.e.i.a.ContextLoaderListener Application context refresh failed (NonValidatingOsgiBundleXmlApplicationContext(bundle=com.palantir.stash.stashbot, config=osgibundle:/META-INF/spring/*.xml))
org.springframework.beans.factory.CannotLoadBeanClassException: Error loading class [com.palantir.stash.stashbot.outputhandler.CommandOutputHandlerFactory] for bean with name 'commandOutputHandlerFactory' defined in URL [bundle://99.0:0/META-INF/spring/atlassian-plugins-components.xml]: problem with class file or dependent class; nested exception is java.lang.UnsupportedClassVersionError: com/palantir/stash/stashbot/outputhandler/CommandOutputHandlerFactory : Unsupported major.minor version 52.0
...
Caused by: java.lang.UnsupportedClassVersionError: com/palantir/stash/stashbot/outputhandler/CommandOutputHandlerFactory : Unsupported major.minor version 52.0
...診断
Diagnostic Steps
As described on the Stashbot - versions website (
com.palantir.stash.stashboton the stack trace above), the add-on requires you to be running on Java 8.
原因
Unsupported major.minor version 52.0
This means that you're trying to run a code that was compiled in Java 8 on a Java 7 JRE.
ソリューション
- Make sure your release of Stash or Bitbucket Server supports Java 8. Please refer to the Supported platforms document for your release before upgrading.
- Reinstall the add-on usin UPM once your new Stash or Bitbucket Server is up and running
最終更新日 2016 年 4 月 6 日
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