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Details

Type: Bug
Resolution: Fixed
Priority: Major
Fix Version/s: 11.3-rc-1
Affects Version/s: 11.1
Component/s: {Unused} Watchlist
Labels:
None
Environment:
Windows 10 Pro 64 bit, Chrome 72, IE11, Edge 18, Firefox 65, using a local instance XWiki 11.1 on HSQL 2.4.1, MySQL 5.7, PostgreSQL 10 and Oracle 11.2

Difficulty:
Unknown
Documentation:
N/A
Documentation in Release Notes:
N/A
Similar issues:

Description

STEPS TO REPRODUCE

Create an older instance of XWiki (e.g. 9.11.8)
Close the instance
Go to a newer instance (11.1) and copy/cut the
```
[...]webapps\xwiki
```
folder and replace it (first delete the old one) in the same location on the older version

Start XWiki and follow the Distribution Wizard through the upgrade process

EXPECTED RESULTS

The upgrade process is completed successfully without errors.

ACTUAL RESULTS

On XWiki initialization, there are encountered some errors in console related to SchedulerPlugin. Stacktrace:

2019-03-05 12:56:32,023 [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:427)
	at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.register(SchedulerPlugin.java:317)
	at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.register(SchedulerPlugin.java:310)
	at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.restoreExistingJobs(SchedulerPlugin.java:295)
	at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.initAsync(SchedulerPlugin.java:167)
	at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.access$000(SchedulerPlugin.java:79)
	at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin$1.run(SchedulerPlugin.java:126)
	at org.xwiki.context.concurrent.ExecutionContextRunnable.run(ExecutionContextRunnable.java:70)
	at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.ClassNotFoundException: org.xwiki.watchlist.internal.job.WatchListJob
	at org.xwiki.classloader.URIClassLoader$1.run(URIClassLoader.java:193)
	at org.xwiki.classloader.URIClassLoader$1.run(URIClassLoader.java:180)
	at java.security.AccessController.doPrivileged(Native Method)
	at org.xwiki.classloader.URIClassLoader.findClass(URIClassLoader.java:179)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	at org.xwiki.classloader.xwiki.internal.ContextNamespaceURLClassLoader.loadClass(ContextNamespaceURLClassLoader.java:176)
	at java.lang.Class.forName0(Native Method)
	at java.lang.Class.forName(Unknown Source)
	at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.scheduleJob(SchedulerPlugin.java:362)
	... 8 common frames omitted
2019-03-05 12:56:32,037 [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:427)
	at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.register(SchedulerPlugin.java:317)
	at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.register(SchedulerPlugin.java:310)
	at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.restoreExistingJobs(SchedulerPlugin.java:295)
	at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.initAsync(SchedulerPlugin.java:167)
	at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.access$000(SchedulerPlugin.java:79)
	at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin$1.run(SchedulerPlugin.java:126)
	at org.xwiki.context.concurrent.ExecutionContextRunnable.run(ExecutionContextRunnable.java:70)
	at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.ClassNotFoundException: org.xwiki.watchlist.internal.job.WatchListJob
	at org.xwiki.classloader.URIClassLoader$1.run(URIClassLoader.java:193)
	at org.xwiki.classloader.URIClassLoader$1.run(URIClassLoader.java:180)
	at java.security.AccessController.doPrivileged(Native Method)
	at org.xwiki.classloader.URIClassLoader.findClass(URIClassLoader.java:179)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	at org.xwiki.classloader.xwiki.internal.ContextNamespaceURLClassLoader.loadClass(ContextNamespaceURLClassLoader.java:176)
	at java.lang.Class.forName0(Native Method)
	at java.lang.Class.forName(Unknown Source)
	at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.scheduleJob(SchedulerPlugin.java:362)
	... 8 common frames omitted
2019-03-05 12:56:32,051 [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:427)
	at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.register(SchedulerPlugin.java:317)
	at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.register(SchedulerPlugin.java:310)
	at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.restoreExistingJobs(SchedulerPlugin.java:295)
	at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.initAsync(SchedulerPlugin.java:167)
	at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.access$000(SchedulerPlugin.java:79)
	at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin$1.run(SchedulerPlugin.java:126)
	at org.xwiki.context.concurrent.ExecutionContextRunnable.run(ExecutionContextRunnable.java:70)
	at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.ClassNotFoundException: org.xwiki.watchlist.internal.job.WatchListJob
	at org.xwiki.classloader.URIClassLoader$1.run(URIClassLoader.java:193)
	at org.xwiki.classloader.URIClassLoader$1.run(URIClassLoader.java:180)
	at java.security.AccessController.doPrivileged(Native Method)
	at org.xwiki.classloader.URIClassLoader.findClass(URIClassLoader.java:179)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	at org.xwiki.classloader.xwiki.internal.ContextNamespaceURLClassLoader.loadClass(ContextNamespaceURLClassLoader.java:176)
	at java.lang.Class.forName0(Native Method)
	at java.lang.Class.forName(Unknown Source)
	at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.scheduleJob(SchedulerPlugin.java:362)
	... 8 common frames omitted

The issue was reproduced on HSQL, MySQL, PostgreSQL and Oracle and could not be reproduced when upgrading to XWiki 11.0.3.

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2019_03_05.output.log
22 kB
05/Mar/19 11:59
DeletedPagesOfTheWatchlist.png
78 kB
15/Apr/19 13:03

Issue Links

relates to

XWIKI-16073 Stop bundling the watchlist in XWiki Standard

Closed

SchedulerPlugin related errors when upgrading XWiki to 11.1

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