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Data Collectors Missing from System Health Report


Article ID: 211163


Updated On:


CA Performance Management - Usage and Administration DX NetOps


Data Collector Health Report is only displaying statistics for 3 of 11 DCs. Data Collector Polling displays all 11

System health not showing data collector data 


The following error is seen in the karaf.log


2021-02-23 16:09:24,751 | WARN  | l 60000-thread-1 | DCHealthScheduledPollRequest     | ler.DCHealthScheduledPollRequest  199 | 203 - - 20.2.6.RELEASE-474 |  | Could not determine compAttr for TypedAttr - [identifier]:{}DAHealthDataCollectorPollingStatistics.HeapSizeInBytes [identifier type]:javax.xml.namespace.QName[value types]:[Ljava.lang.Double;


This can occur if the DC didn't download typecatalog successfully. To resolve this please do the following which will redownload the typecatalog. 


Dx NetOps Performance Management 20.2


1. Stop the Data collector 
systemctl stop dcmd 
systemctl stop activemq

2. mv /apps/IMDataCollector/apache-karaf-2.4.3/data /apps/IMDataCollector/apache-karaf-2.4.3/data.old

3. restart data collector 
systemctl start activemq
systemctl start dcmd