0

我有这样的文件

12345678
12345678
123

我在 UniVocityFixedWidthDataFormat 上设置了两个标题，名称为 num1 和 num2，长度为 5 和 3。解析器能够轻松读取前两行，但它在第三行抛出空指针异常。我怎样才能告诉我的解析器也读取较短的行。

这是堆栈跟踪

java.lang.NullPointerException: null
    at org.apache.camel.dataformat.univocity.Unmarshaller$MapRowIterator.convertRow(Unmarshaller.java:189) ~[camel-univocity-parsers-2.24.2.jar:2.24.2]
    at org.apache.camel.dataformat.univocity.Unmarshaller$MapRowIterator.convertRow(Unmarshaller.java:168) ~[camel-univocity-parsers-2.24.2.jar:2.24.2]
    at org.apache.camel.dataformat.univocity.Unmarshaller$RowIterator.next(Unmarshaller.java:117) ~[camel-univocity-parsers-2.24.2.jar:2.24.2]
    at org.apache.camel.processor.Splitter$SplitterIterable$1.next(Splitter.java:203) ~[camel-core-2.24.2.jar:2.24.2]
    at org.apache.camel.processor.Splitter$SplitterIterable$1.next(Splitter.java:179) ~[camel-core-2.24.2.jar:2.24.2]
    at org.apache.camel.processor.MulticastProcessor.doProcessParallel(MulticastProcessor.java:307) ~[camel-core-2.24.2.jar:2.24.2]
    at org.apache.camel.processor.MulticastProcessor.process(MulticastProcessor.java:246) ~[camel-core-2.24.2.jar:2.24.2]
    at org.apache.camel.processor.Splitter.process(Splitter.java:129) ~[camel-core-2.24.2.jar:2.24.2]
    at org.apache.camel.processor.RedeliveryErrorHandler.process(RedeliveryErrorHandler.java:548) [camel-core-2.24.2.jar:2.24.2]
    at org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:201) [camel-core-2.24.2.jar:2.24.2]
    at org.apache.camel.processor.Pipeline.process(Pipeline.java:138) [camel-core-2.24.2.jar:2.24.2]
    at org.apache.camel.processor.Pipeline.process(Pipeline.java:101) [camel-core-2.24.2.jar:2.24.2]
    at org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:201) [camel-core-2.24.2.jar:2.24.2]
    at org.apache.camel.component.file.GenericFileConsumer.processExchange(GenericFileConsumer.java:454) [camel-core-2.24.2.jar:2.24.2]
    at org.apache.camel.component.file.GenericFileConsumer.processBatch(GenericFileConsumer.java:223) [camel-core-2.24.2.jar:2.24.2]
    at org.apache.camel.component.file.GenericFileConsumer.poll(GenericFileConsumer.java:187) [camel-core-2.24.2.jar:2.24.2]
    at org.apache.camel.impl.ScheduledPollConsumer.doRun(ScheduledPollConsumer.java:174) [camel-core-2.24.2.jar:2.24.2]
    at org.apache.camel.impl.ScheduledPollConsumer.run(ScheduledPollConsumer.java:101) [camel-core-2.24.2.jar:2.24.2]
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_211]
    at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) [?:1.8.0_211]
    at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) [?:1.8.0_211]
    at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) [?:1.8.0_211]
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_211]
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_211]
    at java.lang.Thread.run(Thread.java:748) [?:1.8.0_211]
4

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