Summary
The Probe should not throw an exception about a null value as not a legal XML value.
Error
Logging to the Probe Java Management Extensions Console (JMX-Console) and executing Mbean: Probe_XXXXXX:type=GwTaskResultDistributer. Method: viewUnsentResults returns unexpected expectation.
JOBID ProbeGW_Topology_TASK:
JMX Action GetUnsentResults results
org.jdom.IllegalDataException: The data "null" is not legal for a JDOM attribute: A null is not a legal XML value.
Fix
Option 1.
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Execute Probe JMX dropUnsentResults
Option 2.
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Connect to the Probe server.
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Use the postgres tool (<DataFlowProbe>\pgsql\bin\pgAdmin3) to connect to the Probe database.
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Truncate the table "DDM_GW_TASK_RESULTS"