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  1. OpenNMS
  2. NMS-8665

Measurements API can fail with exception when operating in relaxed mode

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Details

    • Bug
    • Status: Resolved (View Workflow)
    • Major
    • Resolution: Fixed
    • 18.0.0, Meridian-2016.1.0, Meridian-2016.1.1, Meridian-2016.1.2, 18.0.1, 18.0.2, Meridian-2016.1.3
    • 18.0.3, Meridian-2016.1.4, 19.0.0
    • Web UI - Topology
    • Security Level: Default (Default Security Scheme)

    Description

      When operating in relaxed mode, the Measurements API will skip resources and attributes that are not found.

      If none of the resources or attributes given in the request were found, the Measurements API will throw an obscure error like:

      Caused by: org.opennms.netmgt.measurements.api.exceptions.FetchException: Fetch failed: Xport failed.
      	at org.opennms.netmgt.measurements.api.DefaultMeasurementsService.query(DefaultMeasurementsService.java:78)
      	at Proxy8bfb87e1_bc86_4fd9_a279_d16b1710bad1.query(Unknown Source)
      	at org.opennms.features.topology.api.info.MeasurementsWrapper.queryInt(MeasurementsWrapper.java:218)
      	at org.opennms.features.topology.api.info.MeasurementsWrapper.getLastValue(MeasurementsWrapper.java:80)
      	at org.opennms.features.topology.api.info.MeasurementsWrapper.getLastValue(MeasurementsWrapper.java:65)
      	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
      	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      	at java.lang.reflect.Method.invoke(Method.java:498)
      	at javax.el.BeanELResolver.invoke(BeanELResolver.java:500)
      	... 134 more
      Caused by: org.jrobin.core.RrdException: Xport failed.
      	at org.opennms.netmgt.measurements.impl.JRrd2FetchStrategy.fetchMeasurements(JRrd2FetchStrategy.java:86)
      	at org.opennms.netmgt.measurements.impl.AbstractRrdBasedFetchStrategy.fetchMeasurements(AbstractRrdBasedFetchStrategy.java:121)
      	at org.opennms.netmgt.measurements.impl.AbstractRrdBasedFetchStrategy.fetch(AbstractRrdBasedFetchStrategy.java:110)
      	at org.opennms.netmgt.measurements.api.DefaultMeasurementsService.query(DefaultMeasurementsService.java:68)
      	... 143 more
      Caused by: org.opennms.netmgt.rrd.jrrd2.api.JRrd2Exception: can't make an xport without contents
      	at org.opennms.netmgt.rrd.jrrd2.impl.Interface.rrd_xport(Native Method)
      	at org.opennms.netmgt.rrd.jrrd2.impl.JRrd2Jni.xport(JRrd2Jni.java:107)
      	at org.opennms.netmgt.measurements.impl.JRrd2FetchStrategy.fetchMeasurements(JRrd2FetchStrategy.java:84)
      	... 146 more
      

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              j-white Jesse White
              j-white Jesse White
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                Created:
                Updated:
                Resolved:

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