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  1. XWiki Platform
  2. XWIKI-11962

Failure while restoring/scheduling WatchList jobs

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    Description

      The migration from plugin to component introduced in XWIKI-11760 did not update the scheduler job objects of the watchlist jobs to use the new package name of the WatchListJob class.

      This causes the following stack trace to be logged at startup:

      2015-03-24 17:35:31,644 [XWiki Scheduler initialization] ERROR c.x.x.p.s.SchedulerPlugin      - Failed to restore job with in document [xwiki:Scheduler.WatchListDailyNotifier] and wiki [xwiki] 
com.xpn.xwiki.plugin.scheduler.SchedulerPluginException: Error number 90006 in 5: Exception in plugin [com.xpn.xwiki.plugin.scheduler.SchedulerPlugin]: Error while loading job class for job : WatchList daily notifier
        at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.scheduleJob(SchedulerPlugin.java:408) [xwiki-platform-scheduler-api-7.0-milestone-2.jar:na]
        at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.register(SchedulerPlugin.java:310) [xwiki-platform-scheduler-api-7.0-milestone-2.jar:na]
        at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.register(SchedulerPlugin.java:303) [xwiki-platform-scheduler-api-7.0-milestone-2.jar:na]
        at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.restoreExistingJobs(SchedulerPlugin.java:288) [xwiki-platform-scheduler-api-7.0-milestone-2.jar:na]
        at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.initAsync(SchedulerPlugin.java:157) [xwiki-platform-scheduler-api-7.0-milestone-2.jar:na]
        at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.access$000(SchedulerPlugin.java:69) [xwiki-platform-scheduler-api-7.0-milestone-2.jar:na]
        at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin$1.run(SchedulerPlugin.java:116) [xwiki-platform-scheduler-api-7.0-milestone-2.jar:na]
        at org.xwiki.context.concurrent.ExecutionContextRunnable.run(ExecutionContextRunnable.java:70) [xwiki-commons-context-7.0-milestone-2.jar:na]
        at java.lang.Thread.run(Thread.java:745) [na:1.7.0_75]
Caused by: java.lang.ClassNotFoundException: com.xpn.xwiki.plugin.watchlist.WatchListJob
        at java.net.URLClassLoader$1.run(URLClassLoader.java:366) ~[na:1.7.0_75]
        at java.net.URLClassLoader$1.run(URLClassLoader.java:355) ~[na:1.7.0_75]
        at java.security.AccessController.doPrivileged(Native Method) ~[na:1.7.0_75]
        at java.net.URLClassLoader.findClass(URLClassLoader.java:354) ~[na:1.7.0_75]
        at java.lang.ClassLoader.loadClass(ClassLoader.java:425) ~[na:1.7.0_75]
        at java.lang.ClassLoader.loadClass(ClassLoader.java:358) ~[na:1.7.0_75]
        at org.eclipse.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:450) ~[jetty-webapp-8.1.10.v20130312.jar:9.2.3.v20140905]
        at org.eclipse.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:403) ~[jetty-webapp-8.1.10.v20130312.jar:9.2.3.v20140905]
        at java.lang.Class.forName0(Native Method) ~[na:1.7.0_75]
        at java.lang.Class.forName(Class.java:191) ~[na:1.7.0_75]
        at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.scheduleJob(SchedulerPlugin.java:352) [xwiki-platform-scheduler-api-7.0-milestone-2.jar:na]
        ... 8 common frames omitted
2015-03-24 17:35:31,646 [XWiki Scheduler initialization] ERROR c.x.x.p.s.SchedulerPlugin      - Failed to restore job with in document [xwiki:Scheduler.WatchListHourlyNotifier] and wiki [xwiki] 
com.xpn.xwiki.plugin.scheduler.SchedulerPluginException: Error number 90006 in 5: Exception in plugin [com.xpn.xwiki.plugin.scheduler.SchedulerPlugin]: Error while loading job class for job : WatchList hourly notifier
        at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.scheduleJob(SchedulerPlugin.java:408) [xwiki-platform-scheduler-api-7.0-milestone-2.jar:na]
        at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.register(SchedulerPlugin.java:310) [xwiki-platform-scheduler-api-7.0-milestone-2.jar:na]
        at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.register(SchedulerPlugin.java:303) [xwiki-platform-scheduler-api-7.0-milestone-2.jar:na]
        at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.restoreExistingJobs(SchedulerPlugin.java:288) [xwiki-platform-scheduler-api-7.0-milestone-2.jar:na]
        at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.initAsync(SchedulerPlugin.java:157) [xwiki-platform-scheduler-api-7.0-milestone-2.jar:na]
        at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.access$000(SchedulerPlugin.java:69) [xwiki-platform-scheduler-api-7.0-milestone-2.jar:na]
        at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin$1.run(SchedulerPlugin.java:116) [xwiki-platform-scheduler-api-7.0-milestone-2.jar:na]
        at org.xwiki.context.concurrent.ExecutionContextRunnable.run(ExecutionContextRunnable.java:70) [xwiki-commons-context-7.0-milestone-2.jar:na]
        at java.lang.Thread.run(Thread.java:745) [na:1.7.0_75]
Caused by: java.lang.ClassNotFoundException: com.xpn.xwiki.plugin.watchlist.WatchListJob
        at java.net.URLClassLoader$1.run(URLClassLoader.java:366) ~[na:1.7.0_75]
        at java.net.URLClassLoader$1.run(URLClassLoader.java:355) ~[na:1.7.0_75]
        at java.security.AccessController.doPrivileged(Native Method) ~[na:1.7.0_75]
        at java.net.URLClassLoader.findClass(URLClassLoader.java:354) ~[na:1.7.0_75]
        at java.lang.ClassLoader.loadClass(ClassLoader.java:425) ~[na:1.7.0_75]
        at java.lang.ClassLoader.loadClass(ClassLoader.java:358) ~[na:1.7.0_75]
        at org.eclipse.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:450) ~[jetty-webapp-8.1.10.v20130312.jar:9.2.3.v20140905]
        at org.eclipse.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:403) ~[jetty-webapp-8.1.10.v20130312.jar:9.2.3.v20140905]
        at java.lang.Class.forName0(Native Method) ~[na:1.7.0_75]
        at java.lang.Class.forName(Class.java:191) ~[na:1.7.0_75]
        at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.scheduleJob(SchedulerPlugin.java:352) [xwiki-platform-scheduler-api-7.0-milestone-2.jar:na]
        ... 8 common frames omitted
2015-03-24 17:35:31,648 [XWiki Scheduler initialization] ERROR c.x.x.p.s.SchedulerPlugin      - Failed to restore job with in document [xwiki:Scheduler.WatchListWeeklyNotifier] and wiki [xwiki] 
com.xpn.xwiki.plugin.scheduler.SchedulerPluginException: Error number 90006 in 5: Exception in plugin [com.xpn.xwiki.plugin.scheduler.SchedulerPlugin]: Error while loading job class for job : WatchList weekly notifier
        at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.scheduleJob(SchedulerPlugin.java:408) [xwiki-platform-scheduler-api-7.0-milestone-2.jar:na]
        at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.register(SchedulerPlugin.java:310) [xwiki-platform-scheduler-api-7.0-milestone-2.jar:na]
        at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.register(SchedulerPlugin.java:303) [xwiki-platform-scheduler-api-7.0-milestone-2.jar:na]
        at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.restoreExistingJobs(SchedulerPlugin.java:288) [xwiki-platform-scheduler-api-7.0-milestone-2.jar:na]
        at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.initAsync(SchedulerPlugin.java:157) [xwiki-platform-scheduler-api-7.0-milestone-2.jar:na]
        at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.access$000(SchedulerPlugin.java:69) [xwiki-platform-scheduler-api-7.0-milestone-2.jar:na]
        at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin$1.run(SchedulerPlugin.java:116) [xwiki-platform-scheduler-api-7.0-milestone-2.jar:na]
        at org.xwiki.context.concurrent.ExecutionContextRunnable.run(ExecutionContextRunnable.java:70) [xwiki-commons-context-7.0-milestone-2.jar:na]
        at java.lang.Thread.run(Thread.java:745) [na:1.7.0_75]
Caused by: java.lang.ClassNotFoundException: com.xpn.xwiki.plugin.watchlist.WatchListJob
        at java.net.URLClassLoader$1.run(URLClassLoader.java:366) ~[na:1.7.0_75]
        at java.net.URLClassLoader$1.run(URLClassLoader.java:355) ~[na:1.7.0_75]
        at java.security.AccessController.doPrivileged(Native Method) ~[na:1.7.0_75]
        at java.net.URLClassLoader.findClass(URLClassLoader.java:354) ~[na:1.7.0_75]
        at java.lang.ClassLoader.loadClass(ClassLoader.java:425) ~[na:1.7.0_75]
        at java.lang.ClassLoader.loadClass(ClassLoader.java:358) ~[na:1.7.0_75]
        at org.eclipse.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:450) ~[jetty-webapp-8.1.10.v20130312.jar:9.2.3.v20140905]
        at org.eclipse.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:403) ~[jetty-webapp-8.1.10.v20130312.jar:9.2.3.v20140905]
        at java.lang.Class.forName0(Native Method) ~[na:1.7.0_75]
        at java.lang.Class.forName(Class.java:191) ~[na:1.7.0_75]
        at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.scheduleJob(SchedulerPlugin.java:352) [xwiki-platform-scheduler-api-7.0-milestone-2.jar:na]
        ... 8 common frames omitted

      Resulting in the WatchList jobs not being scheduled, not even on a manual schedule command from the Scheduler application's UI.

      Workaround: A quick fix is to edit each WatchListJob document's SchedulerJobClass object and change the Job Class field's value:

      • from: com.xpn.xwiki.plugin.watchlist.WatchListJob
      • to: org.xwiki.watchlist.internal.job.WatchListJob

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            enygma Eduard Moraru
            enygma Eduard Moraru
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              Updated:
              Resolved: