My tap passed the validation at: http://instanttap.appspot.com/

But the parsing by the plugin failed.

The tap was generated by npm tap version 14.8.2

https://www.npmjs.com/package/tap

Looking for TAP results report in workspace using pattern: */.tap
Saving reports...
org.tap4j.parser.ParserException: Error parsing TAP Stream: Duplicated TAP Plan found.
at org.tap4j.parser.Tap13Parser.parseTapStream(Tap13Parser.java:257)
at org.tap4j.parser.Tap13Parser.parseFile(Tap13Parser.java:231)
at org.tap4j.plugin.TapParser.parse(TapParser.java:173)
at org.tap4j.plugin.TapPublisher.loadResults(TapPublisher.java:572)
at org.tap4j.plugin.TapPublisher.performImpl(TapPublisher.java:444)
at org.tap4j.plugin.TapPublisher.perform(TapPublisher.java:403)
at hudson.tasks.BuildStepCompatibilityLayer.perform(BuildStepCompatibilityLayer.java:79)
at hudson.tasks.BuildStepMonitor$1.perform(BuildStepMonitor.java:20)
at hudson.model.AbstractBuild$AbstractBuildExecution.perform(AbstractBuild.java:741)
at hudson.model.AbstractBuild$AbstractBuildExecution.performAllBuildSteps(AbstractBuild.java:690)
at hudson.model.Build$BuildExecution.post2(Build.java:186)
at hudson.model.AbstractBuild$AbstractBuildExecution.post(AbstractBuild.java:635)
at hudson.model.Run.execute(Run.java:1840)
at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)
at hudson.model.ResourceController.execute(ResourceController.java:97)
at hudson.model.Executor.run(Executor.java:429)
Caused by: org.tap4j.parser.ParserException: Duplicated TAP Plan found.
at org.tap4j.parser.Tap13Parser.parseLine(Tap13Parser.java:354)
at org.tap4j.parser.Tap13Parser.parseTapStream(Tap13Parser.java:252)
... 15 more
TAP parse errors found in the build. Marking build as UNSTABLE
TAP Reports Processing: FINISH