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https://issues.apache.org/jira/browse/MUSE-237?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12504476
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Vinh Nguyen commented on MUSE-237:
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Another possible fix is to initially have the Timer set to null. Then in
setTerminationTime(), do this:
// If time is null, just return it.
// Else, if the timer task wasn't initialized, make a new one.
// Else, stop the current timer task and make a new one.
You'd also have to update getTerminationTime() and shutdown() to check for a
null Timer before calling methods on it.
> Cannot set subscription termination time if Subscribe was first called with
> null time
> -------------------------------------------------------------------------------------
>
> Key: MUSE-237
> URL: https://issues.apache.org/jira/browse/MUSE-237
> Project: Muse
> Issue Type: Bug
> Environment: Muse 2.2.0, Eclipse 3.2.1
> Reporter: Vinh Nguyen
> Assignee: Dan Jemiolo
>
> I initially subscribe with no expiration date. This means the subscription
> lifetime is indefinite. But later, when I try to call the
> setTerminationTime() to give the subscription a specific expiration date, I
> get the following error:
> org.apache.muse.ws.addressing.soap.SoapFault: Timer already cancelled.
> at
> org.apache.muse.core.AbstractResourceClient.invoke(AbstractResourceClient.java:298)
> at
> com.cisco.nm.cmp.nbi.wsdm.client.core.SubscriptionClient.invoke(SubscriptionClient.java:126)
> at
> org.apache.muse.core.AbstractResourceClient.invoke(AbstractResourceClient.java:254)
> at
> org.apache.muse.ws.resource.remote.WsResourceClient.setTerminationTime(WsResourceClient.java:187)
> The error is in SimpleScheduledTermination line #114.
> The SimpleNotificationProducer.subscribe() is invoked by the client with a
> null expiration date. This creates the SimpleScheduledTermination instance
> and calls setTerminationTime(null), which cancels the internal timer. Later,
> when setTerminationTime() is called with a valid date, the Timer throws an
> error because a task is trying to be scheduled on it, but the timer already
> was cancelled.
> The simplest fix is to set a flag so that if the timer was initially
> cancelled, reinstantiate it when it's used again. The flag can be set in
> SimpleScheduledTermination time. Or better, create it in
> org.apache.muse.util.Timer so that you know if it was cancelled, and check
> this flag in SimpleScheduledTermination.
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