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Current Behaviour

 

The page documents the current (trunk 2016-11-04, r1767914) behaviour of the WMC's message preview feature under the following test cases.

 

Test CaseMessage
small text messageJMS TextMessage "hello world"
large text messageJMS TextMessage "ABCD" repeated 1024^2 times
small map messageJMS MapMessage one key/value pair of each supported type. String pair value is (1)
large map messageJMS Map Message one key/value pair of each supported type. String pair value is (2)
small stream messageJMS Stream Message containing pair of each support type. String value is (1)
large stream messageJMS Stream Message containing pair of each support type. String value is (2)
small object messageJMS Object Message containing List comprising string value (1) and an integer
large object messageMS Object Message containing List comprising string value (2) and an integer

large pdf file

JMS Bytes Message containing a PDF (2102551 bytes)

 

(1) String "hello world"

(2) "ABCD" repeated 1024^2 times


Test CaseProtocol 0-9/0-10
Content TypeOn screen previewContent Download
small text messagetext/plaincomplete string valueditto preview
large text messagetext/plaintruncated string valuecomplete string value
small map message (default)amqp/mapTable containing name/value pairs
Map entry with bytes array value is base64 encoded 		The map's contents encoded as a AMQP 0-10 map

 

large map message (default)amqp/mapError popup 'unknown code 67'
No preview displayed.
Broker survives. Stack trace (1)
small map message (legacy)jms/map-message
Table containing name/value pairs
Map entry with bytes array value is base64 encoded 

Each written value is encoded by the TypedBytesContentWriter (2)

large map message (legacy)jms/map-message
Table containing name/value pairs
Map entry with bytes array value is array of ints
small stream messageamqp/listTable containing list values

The list's contents encoded as a AMQP 0-10 list

large stream messageamqp/listError popup 'unknown code 67'
No preview displayed.
Broker survives. Stack trace (1)
small stream message (default - legacy)jms/stream-messageNo preview

Each written value is encoded by the TypedBytesContentWrite

large stream message (default - legacy)jms/stream-messageNo preview
small object messageapplication/java-object-streamNo previewSerialised object bytes
large object messageapplication/java-object-streamNo preview

large pdf file

application/octet-streamNo previewthe pdf file.

 

(1) 

2016-11-04 11:01:43,128 DEBUG [HttpManagement-HTTP-218] (o.a.q.s.m.p.s.r.RestServlet) - IllegalArgumentException processing request
java.lang.IllegalArgumentException: unknown code: 67
at org.apache.qpid.transport.codec.AbstractDecoder.getType(AbstractDecoder.java:354) ~[classes/:na]
at org.apache.qpid.transport.codec.AbstractDecoder.readMap(AbstractDecoder.java:287) ~[classes/:na]
at org.apache.qpid.server.protocol.v0_8.MessageConverter_v0_8_to_Internal.convertMessageBody(MessageConverter_v0_8_to_Internal.java:340) ~[classes/:na]
at org.apache.qpid.server.protocol.v0_8.MessageConverter_v0_8_to_Internal.convert(MessageConverter_v0_8_to_Internal.java:86) ~[classes/:na]
at org.apache.qpid.server.protocol.v0_8.MessageConverter_v0_8_to_Internal.convert(MessageConverter_v0_8_to_Internal.java:48) ~[classes/:na]
at org.apache.qpid.server.queue.AbstractQueue.createMessageContent(AbstractQueue.java:3731) ~[classes/:na]
at org.apache.qpid.server.queue.AbstractQueue.getMessageContent(AbstractQueue.java:3701) ~[classes/:na]
at org.apache.qpid.server.queue.StandardQueueImplWithAccessChecking.getMessageContent(StandardQueueImplWithAccessChecking.java:80) ~[classes/:na]

 

(2) TypedBytesContentWriter is distinct from AMQP value system)

Other stuff

If I request a messageContent for a message that does not exist, I get 200 with a null response.

 


Test  
   
   


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