WebLogic Server启动异常:The file store "WLS_DIAGNOSTICS" could not be opened

异常描述：

weblogic.store.PersistentStoreException: [Store:280073]The file store "WLS_DIAGNOSTICS" could not be opened because it contained a file with the invalid version 1. A file of version 2 was expected.

at weblogic.store.io.file.FileStoreIO.open(FileStoreIO.java:107)

at weblogic.store.internal.PersistentStoreImpl.recoverStoreConnections(PersistentStoreImpl.java:413)

at weblogic.store.internal.PersistentStoreImpl.open(PersistentStoreImpl.java:404)

at weblogic.store.xa.PersistentStoreManagerXA.createFileStore(PersistentStoreManagerXA.java:118)

at weblogic.diagnostics.archive.DiagnosticStoreRepository.getStore(DiagnosticStoreRepository.java:91)

at weblogic.diagnostics.lifecycle.DiagnosticSystemService.start(DiagnosticSystemService.java:128)

at weblogic.t3.srvr.SubsystemRequest.run(SubsystemRequest.java:64)

at weblogic.work.ExecuteThread.execute(ExecuteThread.java:201)

at weblogic.work.ExecuteThread.run(ExecuteThread.java:173)

解决方法：删除<domain_home>/servers/<Server_name>/data/store/diagnostics下的FileStore文件，然后启动；

原因：weblogic没有正常覆盖诊断（不知所以然）。

Oracle官方解释：

BEA-280073

Error: The file store "name" could not be opened because it contained a file with the invalid version versionFound. A file of version versionExpected was expected. Description The file store could not be opened because a file was found that was not the proper version. Cause The file store has not been properly upgraded from a previous version of WebLogic Server, or the file has been corrupted on the disk. Action Ensure that the file store was upgraded using the weblogic.Upgrade tool.