[Exception] java.lang.IllegalArgumentException: Prefix string too short

本文介绍了一个关于使用Java的File.createTempFile方法时遇到的IllegalArgumentException异常问题,原因是前缀字符串过短不足三个字符。文章提供了详细的异常堆栈跟踪,并给出了简单的解决方案:增加前缀长度。

摘要生成于 C知道 ,由 DeepSeek-R1 满血版支持, 前往体验 >

  1. 情景: File.createTempFile(“temp”,suffix);
  2. 异常:java.lang.IllegalArgumentException: Prefix string too short
  3. 原因:这个方法要求前缀不得少于3个字符
  4. 解决方案:增加前缀长度(第一个参数),或换其它方法创建文件
  5. 异常详细信息:
    java.lang.IllegalArgumentException: Prefix string too short
    at java.io.File.createTempFile(File.java:2001) ~[na:1.8.0_102]
    at java.io.File.createTempFile(File.java:2070) ~[na:1.8.0_102]
    at cn.jintongsoft.dev.QAExtractor.getQAFromDocument(QAExtractor.java:20) ~[na:na]
    at com.alibaba.dubbo.common.bytecode.Wrapper1.invokeMethod(Wrapper1.java) ~[dubbo-2.8.4.jar:2.8.4]
    at com.alibaba.dubbo.rpc.proxy.javassist.JavassistProxyFactory1.doInvoke(JavassistProxyFactory.java:46) [dubbo2.8.4.jar:2.8.4]atcom.alibaba.dubbo.rpc.proxy.AbstractProxyInvoker.invoke(AbstractProxyInvoker.java:72) [dubbo2.8.4.jar:2.8.4]atcom.alibaba.dubbo.rpc.protocol.InvokerWrapper.invoke(InvokerWrapper.java:53) [dubbo2.8.4.jar:2.8.4]atcom.alibaba.dubbo.rpc.filter.ExceptionFilter.invoke(ExceptionFilter.java:64) [dubbo2.8.4.jar:2.8.4]atcom.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper1.doInvoke(JavassistProxyFactory.java:46) [dubbo−2.8.4.jar:2.8.4]atcom.alibaba.dubbo.rpc.proxy.AbstractProxyInvoker.invoke(AbstractProxyInvoker.java:72) [dubbo−2.8.4.jar:2.8.4]atcom.alibaba.dubbo.rpc.protocol.InvokerWrapper.invoke(InvokerWrapper.java:53) [dubbo−2.8.4.jar:2.8.4]atcom.alibaba.dubbo.rpc.filter.ExceptionFilter.invoke(ExceptionFilter.java:64) [dubbo−2.8.4.jar:2.8.4]atcom.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper1.invoke(ProtocolFilterWrapper.java:91) ~[dubbo-2.8.4.jar:2.8.4]
    at com.alibaba.dubbo.monitor.support.MonitorFilter.invoke(MonitorFilter.java:75) ~[dubbo-2.8.4.jar:2.8.4]
    at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper1.invoke(ProtocolFilterWrapper.java:91) [dubbo2.8.4.jar:2.8.4]atcom.alibaba.dubbo.rpc.filter.TimeoutFilter.invoke(TimeoutFilter.java:42) [dubbo2.8.4.jar:2.8.4]atcom.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper1.invoke(ProtocolFilterWrapper.java:91) [dubbo−2.8.4.jar:2.8.4]atcom.alibaba.dubbo.rpc.filter.TimeoutFilter.invoke(TimeoutFilter.java:42) [dubbo−2.8.4.jar:2.8.4]atcom.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper1.invoke(ProtocolFilterWrapper.java:91) ~[dubbo-2.8.4.jar:2.8.4]
    at com.alibaba.dubbo.rpc.protocol.dubbo.filter.TraceFilter.invoke(TraceFilter.java:78) ~[dubbo-2.8.4.jar:2.8.4]
    at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper1.invoke(ProtocolFilterWrapper.java:91) [dubbo2.8.4.jar:2.8.4]atcom.alibaba.dubbo.rpc.filter.ContextFilter.invoke(ContextFilter.java:60) [dubbo2.8.4.jar:2.8.4]atcom.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper1.invoke(ProtocolFilterWrapper.java:91) [dubbo−2.8.4.jar:2.8.4]atcom.alibaba.dubbo.rpc.filter.ContextFilter.invoke(ContextFilter.java:60) [dubbo−2.8.4.jar:2.8.4]atcom.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper1.invoke(ProtocolFilterWrapper.java:91) ~[dubbo-2.8.4.jar:2.8.4]
    at com.alibaba.dubbo.rpc.filter.GenericFilter.invoke(GenericFilter.java:112) ~[dubbo-2.8.4.jar:2.8.4]
    at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper1.invoke(ProtocolFilterWrapper.java:91) [dubbo2.8.4.jar:2.8.4]atcom.alibaba.dubbo.rpc.filter.ClassLoaderFilter.invoke(ClassLoaderFilter.java:38) [dubbo2.8.4.jar:2.8.4]atcom.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper1.invoke(ProtocolFilterWrapper.java:91) [dubbo−2.8.4.jar:2.8.4]atcom.alibaba.dubbo.rpc.filter.ClassLoaderFilter.invoke(ClassLoaderFilter.java:38) [dubbo−2.8.4.jar:2.8.4]atcom.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper1.invoke(ProtocolFilterWrapper.java:91) ~[dubbo-2.8.4.jar:2.8.4]
    at com.alibaba.dubbo.rpc.filter.EchoFilter.invoke(EchoFilter.java:38) ~[dubbo-2.8.4.jar:2.8.4]
    at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper1.invoke(ProtocolFilterWrapper.java:91) [dubbo2.8.4.jar:2.8.4]atcom.alibaba.dubbo.rpc.protocol.dubbo.DubboProtocol1.invoke(ProtocolFilterWrapper.java:91) [dubbo−2.8.4.jar:2.8.4]atcom.alibaba.dubbo.rpc.protocol.dubbo.DubboProtocol1.reply(DubboProtocol.java:108) ~[dubbo-2.8.4.jar:2.8.4]
    at com.alibaba.dubbo.remoting.exchange.support.header.HeaderExchangeHandler.handleRequest(HeaderExchangeHandler.java:84) ~[dubbo-2.8.4.jar:2.8.4]
    at com.alibaba.dubbo.remoting.exchange.support.header.HeaderExchangeHandler.received(HeaderExchangeHandler.java:170) ~[dubbo-2.8.4.jar:2.8.4]
    at com.alibaba.dubbo.remoting.transport.DecodeHandler.received(DecodeHandler.java:52) ~[dubbo-2.8.4.jar:2.8.4]
    at com.alibaba.dubbo.remoting.transport.dispatcher.ChannelEventRunnable.run(ChannelEventRunnable.java:82) ~[dubbo-2.8.4.jar:2.8.4]
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) ~[na:1.8.0_102]
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) ~[na:1.8.0_102]
    at java.lang.Thread.run(Thread.java:745) ~[na:1.8.0_102]
评论
添加红包

请填写红包祝福语或标题

红包个数最小为10个

红包金额最低5元

当前余额3.43前往充值 >
需支付:10.00
成就一亿技术人!
领取后你会自动成为博主和红包主的粉丝 规则
hope_wisdom
发出的红包
实付
使用余额支付
点击重新获取
扫码支付
钱包余额 0

抵扣说明:

1.余额是钱包充值的虚拟货币,按照1:1的比例进行支付金额的抵扣。
2.余额无法直接购买下载,可以购买VIP、付费专栏及课程。

余额充值