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Home/ Questions/Q 9279869
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Editorial Team
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Editorial Team
Asked: June 18, 20262026-06-18T17:44:07+00:00 2026-06-18T17:44:07+00:00

I will try posting on their google forums as well. I have used putTransient

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I will try posting on their google forums as well.
I have used putTransient on map before without any issues – however, in all those cases, putTransient was being called on a map where the value was a single user defined object. I am now trying putTransient on a map where the value is a LinkedHashSet of user defined objects (serializable). The regular put works fine for this LinkedHashSet – the putTransient complains the this method is undefined for the map. I have copied the relevant line of code below:

//testSet is LinkedHashSet of user defined object (fields are String, Boolean and Integer)
Long ttl = new Long(0);
testMap.putTransient(test.TypeUUID, testSet, ttl, TimeUnit.SECONDS); 

Any suggestions to further troubleshoot/fix this would be welcome.
I have tried both 2.4 and 2.5 versions.
Thanks

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  1. Editorial Team
    Editorial Team
    2026-06-18T17:44:08+00:00Added an answer on June 18, 2026 at 5:44 pm

    pilot error – I should have declared the map as IMap and not Map. Thanks to Brian for commenting.

    //should be
    IMap<String, LinkedHashSet<UserDefinedObject>>
    
    //and not 
    Map<String, LinkedHashSet<UserDefinedObject>>
    
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