[xwiki-users] Errors in XWiki : Watchlist Updates - xwiki-users@xwiki.org

16 Jan 2009

I always receive the following error in the watchlist update notification.
Can anyone help indicate how to resolve this issue? 

Error number 4001 in 4: Error while parsing velocity page
XWiki.WatchListMessage Wrapped Exception: Failed to evaluate content with id
[XWiki.WatchListMessage]

Error number 4001 in 4: Error while parsing velocity page
XWiki.WatchListMessage
Wrapped Exception: Failed to evaluate content with id
[XWiki.WatchListMessage]
com.xpn.xwiki.XWikiException: Error number 4001 in 4: Error while parsing
velocity page XWiki.WatchListMessage
Wrapped Exception: Failed to evaluate content with id
[XWiki.WatchListMessage]
       at
com.xpn.xwiki.render.XWikiVelocityRenderer.evaluate(XWikiVelocityRenderer.ja
va:113)
        at
com.xpn.xwiki.plugin.mailsender.MailSenderPlugin.sendMailFromTemplate(MailSe
nderPlugin.java:668)
        at
com.xpn.xwiki.plugin.watchlist.WatchListJob.sendNotificationMessage(WatchLis
tJob.java:430)
        at
com.xpn.xwiki.plugin.watchlist.WatchListJob.execute(WatchListJob.java:181)
        at org.quartz.core.JobRunShell.run(JobRunShell.java:202)
        at
org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:529
)

Wrapped Exception:

org.apache.velocity.exception.MethodInvocationException: Invocation of
method 'formatDate' in  class com.xpn.xwiki.api.XWiki threw exception
java.lang.NullPointerException @ XWiki.WatchListMessage[27,68]
        at
org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:286
)
       at
org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.ja
va:203)
        at
org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference.jav
a:294)
        at
org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:74)
        at
org.apache.velocity.runtime.directive.Foreach.render(Foreach.java:448)
        at
org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.jav
a:170)
        at
org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:31
8)
        at
org.xwiki.velocity.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java
:178)
        at
org.xwiki.velocity.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java
:143)
       at
com.xpn.xwiki.render.XWikiVelocityRenderer.evaluate(XWikiVelocityRenderer.ja
va:107)
        at
com.xpn.xwiki.plugin.mailsender.MailSenderPlugin.sendMailFromTemplate(MailSe
nderPlugin.java:668)
        at
com.xpn.xwiki.plugin.watchlist.WatchListJob.sendNotificationMessage(WatchLis
tJob.java:430)
        at
com.xpn.xwiki.plugin.watchlist.WatchListJob.execute(WatchListJob.java:181)
        at org.quartz.core.JobRunShell.run(JobRunShell.java:202)
        at
org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:529
)
Caused by: java.lang.NullPointerException
        at com.xpn.xwiki.XWiki.formatDate(XWiki.java:5049)
        at com.xpn.xwiki.api.XWiki.formatDate(XWiki.java:1778)
        at sun.reflect.GeneratedMethodAccessor221.invoke(Unknown Source)
        at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl
.java:25)
        at java.lang.reflect.Method.invoke(Method.java:585)
        at
org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(Ub
erspectImpl.java:295)
        at
org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:245
)
        ... 14 more