https://bz.apache.org/bugzilla/show_bug.cgi?id=63906
Bug ID: 63906
Summary: NPE for InfluxDB backend listener during failover
testing
Product: JMeter
Version: 5.1.1
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P2
Component: Main
Assignee: issues@jmeter.apache.org
Reporter: sergiy.iam...@playtech.com
Target Milestone: JMETER_5.2
Created attachment 36873
--> https://bz.apache.org/bugzilla/attachment.cgi?id=36873&action=edit
test plan view
BL works fine most of the time. However I had to run specific kind of test -
failover, where I test how does start/stop/restart/deploy etc are going on the
backend side. This obviously results in some outage and there are lots of
errors and delays during such actions.
As I said such behavior is expected but during one such restart I got following
exception on all my load injectors:
*******************
2019-11-06 06:52:41,928 ERROR o.a.j.JMeter: Uncaught exception:
java.lang.NullPointerException: null
at
org.apache.jmeter.visualizers.backend.ErrorMetric.getResponseMessage(ErrorMetric.java:71)
~[ApacheJMeter_components.jar:r1859277]
at
org.apache.jmeter.visualizers.backend.ErrorMetric.hashCode(ErrorMetric.java:92)
~[ApacheJMeter_components.jar:r1859277]
at java.util.HashMap.hash(HashMap.java:339) ~[?:1.8.0_222]
at java.util.HashMap.getOrDefault(HashMap.java:1057) ~[?:1.8.0_222]
at
org.apache.jmeter.visualizers.backend.SamplerMetric.add(SamplerMetric.java:98)
~[ApacheJMeter_components.jar:r1859277]
at
org.apache.jmeter.visualizers.backend.influxdb.InfluxdbBackendListenerClient.handleSampleResults(InfluxdbBackendListenerClient.java:307)
~[ApacheJMeter_components.jar:r1859277]
at
org.apache.jmeter.visualizers.backend.BackendListener.sendToListener(BackendListener.java:267)
~[ApacheJMeter_components.jar:r1859277]
at
org.apache.jmeter.visualizers.backend.BackendListener$Worker.run(BackendListener.java:239)
~[ApacheJMeter_components.jar:r1859277]
*******************
The main problem is that whole test stack after that exception. Meaning no more
load were produced.
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