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http://jira.xwiki.org/jira/browse/XWIKI-2123?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_22945
]
Ludovic Dubost commented on XWIKI-2123:
---------------------------------------
It is possible that on the java side the backlinks are considered differents
but that on the db site they are considered duplicates.
This might make it hard to fix this issue
> Exception with duplicate content in backlinks database table
> ------------------------------------------------------------
>
> Key: XWIKI-2123
> URL: http://jira.xwiki.org/jira/browse/XWIKI-2123
> Project: XWiki Core
> Issue Type: Bug
> Components: Storage
> Affects Versions: 1.2.2
> Reporter: Ludovic Dubost
> Priority: Critical
>
> On un upgraded XWiki 1.2.2 it is possible to have storage fail because of the
> backlinks feature.
> We need to make sure it is impossible to have duplicates in the backlinks IDs
> before calling the storage. Otherwise the page becomes unsavable
> Here is an example exception:
> Wrapped Exception: Could not execute JDBC batch update
> com.xpn.xwiki.XWikiException: Error number 3201 in 3: Exception while saving
> document Space_Organisation_Wiki.Gestiondescomptesdetest
> Wrapped Exception: Error number 13012 in 3: Exception while saving links
> Wrapped Exception: Could not execute JDBC batch update
> at
> com.xpn.xwiki.store.XWikiHibernateStore.saveXWikiDoc(XWikiHibernateStore.java:317)
> at
> com.xpn.xwiki.store.XWikiCacheStore.saveXWikiDoc(XWikiCacheStore.java:97)
> at
> com.xpn.xwiki.store.XWikiCacheStore.saveXWikiDoc(XWikiCacheStore.java:91)
> at com.xpn.xwiki.XWiki.saveDocument(XWiki.java:922)
> at com.xpn.xwiki.web.SaveAction.save(SaveAction.java:113)
> at com.xpn.xwiki.web.SaveAction.action(SaveAction.java:122)
> at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:147)
> at
> org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)
> at
> org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)
> at
> org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)
> at
> org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
> at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
> at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
> at
> com.xpn.xwiki.web.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:117)
> at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
> at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
> at
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:210)
> at
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:174)
> at
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
> at
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
> at
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
> at
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:151)
> at
> org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:200)
> at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:283)
> at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:773)
> at
> org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:703)
> at
> org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:895)
> at
> org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:685)
> at java.lang.Thread.run(Thread.java:595)
> Wrapped Exception:
> com.xpn.xwiki.XWikiException: Error number 13012 in 3: Exception while saving
> links
> Wrapped Exception: Could not execute JDBC batch update
> at
> com.xpn.xwiki.store.XWikiHibernateStore.saveLinks(XWikiHibernateStore.java:1511)
> at
> com.xpn.xwiki.store.XWikiHibernateStore.saveXWikiDoc(XWikiHibernateStore.java:303)
> at
> com.xpn.xwiki.store.XWikiCacheStore.saveXWikiDoc(XWikiCacheStore.java:97)
> at
> com.xpn.xwiki.store.XWikiCacheStore.saveXWikiDoc(XWikiCacheStore.java:91)
> at com.xpn.xwiki.XWiki.saveDocument(XWiki.java:922)
> at com.xpn.xwiki.web.SaveAction.save(SaveAction.java:113)
> at com.xpn.xwiki.web.SaveAction.action(SaveAction.java:122)
> at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:147)
> at
> org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)
> at
> org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)
> at
> org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)
> at
> org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
> at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
> at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
> at
> com.xpn.xwiki.web.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:117)
> at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
> at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
> at
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:210)
> at
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:174)
> at
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
> at
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
> at
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
> at
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:151)
> at
> org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:200)
> at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:283)
> at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:773)
> at
> org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:703)
> at
> org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:895)
> at
> org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:685)
> at java.lang.Thread.run(Thread.java:595)
> Wrapped Exception:
> java.sql.BatchUpdateException: Duplicate entry
> '63766763-Space_SecteurPresse_Wiki.contactsactivÃ?' for key 1
> at
> com.mysql.jdbc.PreparedStatement.executeBatchSerially(PreparedStatement.java:1103)
> at
> com.mysql.jdbc.PreparedStatement.executeBatch(PreparedStatement.java:853)
> at
> org.apache.commons.dbcp.DelegatingStatement.executeBatch(DelegatingStatement.java:294)
> at
> org.apache.commons.dbcp.DelegatingStatement.executeBatch(DelegatingStatement.java:294)
> at
> org.hibernate.jdbc.BatchingBatcher.doExecuteBatch(BatchingBatcher.java:58)
> at
> org.hibernate.jdbc.AbstractBatcher.executeBatch(AbstractBatcher.java:195)
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