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Editorial Team
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Asked: 2026-06-04T00:25:31+00:00

What does the following fields mean in Spring @ManagedResource used for JMX? There is

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What does the following fields mean in Spring @ManagedResource used for JMX? There is no Javadoc or related description in Spring documentation. 

 1. String persistPolicy() default "";
 2. int persistPeriod() default -1;
 3. String persistLocation() default "";
 4. int currencyTimeLimit() default -1;
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  1. Editorial Team

    These are passed onto the JMX api – you can find more info about it in the JMX java doc. Copying the relevant section here –

     persistPolicy  : OnUpdate|OnTimer|NoMoreOftenThan|OnUnregister|Always|Never  
 persistLocation : The fully qualified directory name where the MBean should be persisted (if appropriate)
 persistFile    : File name into which the MBean should be persisted
 persistPeriod  : seconds - frequency of persist cycle for OnTime and NoMoreOftenThan PersistPolicy 
 currencyTimeLimit : how long value is valid, <0 never, =0 always, >0 seconds
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