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https://issues.apache.org/jira/browse/DIRMINA-676?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Emmanuel Lecharny closed DIRMINA-676.
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> ObjectMBean throws NullPointerException when accessing non-existing attributes
> ------------------------------------------------------------------------------
>
> Key: DIRMINA-676
> URL: https://issues.apache.org/jira/browse/DIRMINA-676
> Project: MINA
> Issue Type: Bug
> Components: Integration
> Affects Versions: 2.0.0-M4
> Reporter: Steve Ulrich
> Assignee: Ashish Paliwal
> Priority: Trivial
> Fix For: 2.0.0-M5
>
> Attachments: ObjectMBean.java.patch
>
>
> Currently when someone tries to access an attribute via JMX that doesn't
> exist, the ObjectMBean throws a NullPointerException.
> It would be better to precheck if the attribute exists and throw an
> AttributeNotFoundException with a short info, like "Attribute <XYZ> doesn't
> not exist".
> Stacktrace:
> java.lang.NullPointerException
> at
> org.apache.mina.integration.jmx.ObjectMBean.getAttribute(ObjectMBean.java:168)
> at MyTestClass.main(MyTestClass.java:12)
> Exception in thread "main" javax.management.MBeanException
> at
> org.apache.mina.integration.jmx.ObjectMBean.throwMBeanException(ObjectMBean.java:849)
> at
> org.apache.mina.integration.jmx.ObjectMBean.getAttribute(ObjectMBean.java:173)
> at MyTestClass.main(MyTestClass.java:12)
> Caused by: java.lang.NullPointerException
> at
> org.apache.mina.integration.jmx.ObjectMBean.getAttribute(ObjectMBean.java:168)
> ... 1 more
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