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https://issues.apache.org/jira/browse/JSIEVE-10?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Burrell Donkin reassigned JSIEVE-10:
-------------------------------------------
Assignee: Robert Burrell Donkin
> Race condition in CommandStateManager
> -------------------------------------
>
> Key: JSIEVE-10
> URL: https://issues.apache.org/jira/browse/JSIEVE-10
> Project: jSieve
> Issue Type: Bug
> Reporter: Kirk Chen
> Assignee: Robert Burrell Donkin
>
> The resetInstance method in CommandStateManager should be synchronized. In
> multithreaded environment, I encountered the following exception:
> java.lang.NullPointerException
> at
> org.apache.jsieve.commands.CommandStateManager.setInstance(CommandStateManager.java:122)
> at
> org.apache.jsieve.commands.CommandStateManager.updateInstance(CommandStateManager.java:140)
> at
> org.apache.jsieve.commands.CommandStateManager.getInstance(CommandStateManager.java:95)
> at org.apache.jsieve.SieveFactory.evaluate(SieveFactory.java:145)
> at RuleManager.applyRules(RuleManager.java:87)
> ...
> which should have been caused by the lack of it. I am yet to verify this
> theory, however.
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