Buffer Too Small

AVEVA Global WCF Configuration Guide

Trouble Shooting : Buffer Too Small

Buffer Too Small

Error description:

Global stops operating and returns the following error " The remote server returned an unexpected response: (400) Bad Request."

Double the existing values of the maxReceivedMessageSize and maxBufferSize attributes.

Note:

the maxBufferSize attribute is available only in basicHttpBinding.

The minimum size for these attributes is 64KB (65536 bytes) and Maximum allowed value is 4 GB (4294967296 bytes).

The following table summarizes all suggested memory sizes and equivalent decimal values.


Size	Value	Size	Value	Size	Value
64KB	65536	4MB	4194304	256MB	268435456
128KB	131072	8MB	8388608	512MB	536870912
256KB	262144	16MB	16777216	1 GB	1073741824
512KB	524288	32MB	33554432	2 GB	2147483648
1MB	1048576	64MB	67108864	4 GB	4294967296
2MB	2097152	128MB	134217728

<bindings>

<basicHttpBinding>

<binding name="BasicHttpBinding_IGlobalWcfService" closeTimeout="00:01:00" openTimeout="00:01:00" receiveTimeout="00:10:00" sendTimeout="00:01:00" transferMode="Buffered" messageEncoding="Mtom" maxBufferPoolSize="1048576" maxBufferSize="1048576" maxReceivedMessageSize="1048576">

<readerQuotas maxDepth="32" maxStringContentLength="1048576" maxArrayLength="1048576" maxBytesPerRead="4096" maxNameTableCharCount="16384" />

<security mode="None">

</security>

</binding>

</basicHttpBinding>

</bindings>

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