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  1. ,

    You try to parse a String that contains non-numeric characters to an int. The string must contain decimal characters only, optionally beginning with a + or - sign.

  2. ,

    Can occur when you try to convert a String to a numeric value but the String is not well formatted for the conversion.

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For input string: "shirt "
java.lang.NumberFormatException: For input string: "a"	at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)	at java.lang.Integer.parseInt(Integer.java:580)	at java.lang.Integer.parseInt(Integer.java:615)	at com.thoughtworks.gauge.execution.StringToIntegerConverter.convert(TypeConverter.java:30)	at com.thoughtworks.gauge.execution.StepExecutionStage.executeStepMethod(StepExecutionStage.java:96)	at com.thoughtworks.gauge.execution.StepExecutionStage.executeStep(StepExecutionStage.java:80)	at com.thoughtworks.gauge.execution.StepExecutionStage.execute(StepExecutionStage.java:61)	at com.thoughtworks.gauge.execution.AbstractExecutionStage.executeNext(AbstractExecutionStage.java:24)	at com.thoughtworks.gauge.execution.HookExecutionStage.execute(HookExecutionStage.java:42)	at com.thoughtworks.gauge.execution.ExecutionPipeline.start(ExecutionPipeline.java:31)	at com.thoughtworks.gauge.processor.ExecuteStepProcessor.process(ExecuteStepProcessor.java:34)	at com.thoughtworks.gauge.connection.MessageDispatcher.dispatchMessages(MessageDispatcher.java:72)	at com.thoughtworks.gauge.GaugeRuntime.main(GaugeRuntime.java:37)