Java VM property for Max Buffer Size

[Bhagyashree Jog]

Hello,

I have a Subscriber written using cometd to subscribe to Salesforce Push Topic events. I am getting an error message : java.lang.IllegalArgumentException: Buffering capacity exceeded.

I found this was because my message is large and the default value for max buffer size is 2 MB. I can resolve this by setting the max buffer option like this 

httpTransport.setOption(LongPollingTransport.MAX_BUFFER_SIZE_OPTION, 40*1024*1024);

My question is if there is a Java VM property to set this buffer size so I wont have to change my code since we are on production and any code change will affect our dates

Thanks

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Bhagyashree  N Jog

[Simone Bordet]

Hi,

No, there is no JVM system property to set the max message size, you
have to change your code.

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Simone Bordet
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[Bhagyashree Jog]

Ohk, follow up question.

We will be taking the input for the buffer size from the customer and mostly the customer will be giving a buffer size as the max expected payload at any time. If I set the buffer size to say 10MB, is that 10MB dedicated to the buffer or it is dynamically allocated.

Basically, I dont want a customer to allocate 1GB size to buffer to be safe and then all the resources being taken up by the buffer

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Bhagyashree  N Jog

[Bhagyashree Jog]

Ok, I got the answer to the above question. Its a part of jetty client and will be dynamically allocated and freed. Thanks

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Bhagyashree  N Jog