jfinal访问出错

JFinal-3.8 action report -------- 2019-04-20 11:10:04 --------------------------

Url : GET /hello

Controller : bg.bmnsp.controller.Exclecontroller.(Exclecontroller.java:1)

Method : index

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四月 20, 2019 11:10:04 上午 io.undertow.server.Connectors executeRootHandler

ERROR: UT005071: Undertow request failed HttpServerExchange{ GET /hello request {Connection=[keep-alive], Accept=[text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8], Accept-Language=[zh-CN,zh;q=0.9], Accept-Encoding=[gzip, deflate, br], User-Agent=[Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36], Upgrade-Insecure-Requests=[1], Host=[localhost:8082]} response {Expires=[Thu, 01 Jan 1970 00:00:00 GMT], Connection=[keep-alive], Cache-Control=[no-cache], Server=[JFinal], Pragma=[no-cache], Content-Type=[text/plain;charset=UTF-8], Content-Length=[19], Date=[Sat, 20 Apr 2019 03:10:04 GMT]}}

java.io.IOError: java.io.FileNotFoundException: NUL: (系统找不到指定的文件。)

at org.xnio.conduits.Conduits$1.run(Conduits.java:237)

at org.xnio.conduits.Conduits$1.run(Conduits.java:227)

at java.security.AccessController.doPrivileged(Native Method)

at org.xnio.conduits.Conduits.<clinit>(Conduits.java:227)

at io.undertow.conduits.AbstractFixedLengthStreamSinkConduit.writeFinal(AbstractFixedLengthStreamSinkConduit.java:175)

at org.xnio.conduits.ConduitStreamSinkChannel.writeFinal(ConduitStreamSinkChannel.java:104)

at io.undertow.channels.DetachableStreamSinkChannel.writeFinal(DetachableStreamSinkChannel.java:195)

at io.undertow.server.HttpServerExchange$WriteDispatchChannel.writeFinal(HttpServerExchange.java:2082)

at io.undertow.servlet.spec.ServletOutputStreamImpl.writeBufferBlocking(ServletOutputStreamImpl.java:572)

at io.undertow.servlet.spec.ServletOutputStreamImpl.close(ServletOutputStreamImpl.java:609)

at io.undertow.servlet.spec.ServletPrintWriter.close(ServletPrintWriter.java:117)

at io.undertow.servlet.spec.ServletPrintWriterDelegate.close(ServletPrintWriterDelegate.java:81)

at io.undertow.servlet.spec.HttpServletResponseImpl.closeStreamAndWriter(HttpServletResponseImpl.java:480)

at io.undertow.servlet.spec.HttpServletResponseImpl.responseDone(HttpServletResponseImpl.java:575)

at io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:351)

at io.undertow.servlet.handlers.ServletInitialHandler.access$100(ServletInitialHandler.java:81)

at io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:138)

at io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:135)

at io.undertow.servlet.core.ServletRequestContextThreadSetupAction$1.call(ServletRequestContextThreadSetupAction.java:48)

at io.undertow.servlet.core.ContextClassLoaderSetupAction$1.call(ContextClassLoaderSetupAction.java:43)

at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:272)

at io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:81)

at io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:104)

at io.undertow.server.Connectors.executeRootHandler(Connectors.java:364)

at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:830)

at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)

at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)

at java.lang.Thread.run(Thread.java:745)

Caused by: java.io.FileNotFoundException: NUL: (系统找不到指定的文件。)

at java.io.FileOutputStream.open0(Native Method)

at java.io.FileOutputStream.open(FileOutputStream.java:270)

at java.io.FileOutputStream.<init>(FileOutputStream.java:213)

at java.io.FileOutputStream.<init>(FileOutputStream.java:101)

at org.xnio.conduits.Conduits$1.run(Conduits.java:232)

... 27 more