NullPointerException on calculateLastModifiedDate Due to Null Value in Attachments Table
This only applies to versions of Confluence 5.5 and below unless the attachments were never migrated to disk which is now default and automatically migrated in any subsequent upgrade with a specific task.
症状
atlassian-confluence.log に次のエラーが返される。
2008-11-03 12:41:27,120 ERROR [http-9080-Processor2] [[Standalone].\[localhost].[].[file-server]] invoke Servlet.service() for servlet file-server threw exception
java.lang.NullPointerException
at com.atlassian.plugin.servlet.util.LastModifiedHandler.calculateLastModifiedDate(LastModifiedHandler.java:54)
at com.atlassian.plugin.servlet.util.LastModifiedHandler.checkRequest(LastModifiedHandler.java:71)
at com.atlassian.confluence.servlet.download.AttachmentDownload.getStreamForDownload(AttachmentDownload.java:89)
at com.atlassian.confluence.servlet.download.ServeAfterTransactionDownload$StreamResultCallback.doInTransaction(ServeAfterTransactionDownload.java:129)
at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:127)
at com.atlassian.confluence.servlet.download.ServeAfterTransactionDownload.getStreamInTransaction(ServeAfterTransactionDownload.java:41)
at com.atlassian.confluence.servlet.download.ServeAfterTransactionDownload.serveFile(ServeAfterTransactionDownload.java:47)
at com.atlassian.plugin.servlet.BaseFileServerServlet.doGet(BaseFileServerServlet.java:77)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
原因
This error can occur if your attachments.lastmoddate database table row contains invalid or null records.
ソリューション
データベースを変更する前には必ずデータをバックアップするようにします。
Populating the rows in attachments.lastmoddate with some valid dates.
最終更新日: 2023 年 1 月 12 日
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