Created attachment 36873 [details] 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.
pmouawad pushed a commit to branch master in repository https://gitbox.apache.org/repos/asf/jmeter.git The following commit(s) were added to refs/heads/master by this push: new d763e53 ErrorMetric: test for nullity of responseMessage as it may be null d763e53 is described below commit d763e53d5c230502b65addb96b758460c8126280 Author: pmouawad <p.mouawad@ubik-ingenierie.com> AuthorDate: Mon Nov 11 19:01:08 2019 +0100 ErrorMetric: test for nullity of responseMessage as it may be null This resolves Bug 63906 - NPE for InfluxDB backend listener during failover testing --- .../main/java/org/apache/jmeter/visualizers/backend/ErrorMetric.java | 2 +- src/core/src/main/java/org/apache/jmeter/samplers/SampleResult.java | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-)
This issue has been migrated to GitHub: https://github.com/apache/jmeter/issues/5192