Jenkins Jmeter performance trend plugin parsing .jtl files successfully but showing following error while parsing .log files

Performance: Recording JMeter reports '*/.jtl'
Performance: Parsing JMeter report file SIP_#61.jtl
Performance: Parsing JMeter report file SIP_#62.jtl
Performance: File SIP_#61.jtl reported 0.0% of errors [SUCCESS]. Build status is: SUCCESS
Performance: File SIP_#62.jtl reported 0.0% of errors [SUCCESS]. Build status is: SUCCESS
Performance: Recording JmeterSummarizer reports '*/.log'
Performance: Parsing JMeterSummarizer report file SIP_#61.log
ERROR: Build step failed with exception
java.util.InputMismatchException
at java.util.Scanner.throwFor(Scanner.java:909)
at java.util.Scanner.next(Scanner.java:1530)
at java.util.Scanner.nextLong(Scanner.java:2265)
at java.util.Scanner.nextLong(Scanner.java:2225)
at hudson.plugins.performance.JmeterSummarizerParser.parse(JmeterSummarizerParser.java:82)
at hudson.plugins.performance.PerformancePublisher.perform(PerformancePublisher.java:222)
at hudson.tasks.BuildStepMonitor$3.perform(BuildStepMonitor.java:45)
at hudson.model.AbstractBuild$AbstractBuildExecution.perform(AbstractBuild.java:779)
at hudson.model.AbstractBuild$AbstractBuildExecution.performAllBuildSteps(AbstractBuild.java:726)
at hudson.model.Build$BuildExecution.post2(Build.java:185)
at hudson.model.AbstractBuild$AbstractBuildExecution.post(AbstractBuild.java:671)
at hudson.model.Run.execute(Run.java:1766)
at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)
at hudson.model.ResourceController.execute(ResourceController.java:98)
at hudson.model.Executor.run(Executor.java:381)
Build step 'Publish Performance test result report' marked build as failure
Finished: FAILURE