com.aliyun.oss.ClientException: Unknown
	at com.aliyun.oss.internal.OSSObjectOperation.getObject(OSSObjectOperation.java:241)
	at com.aliyun.oss.OSSClient.getObject(OSSClient.java:482)
	at com.brt.platform.oss.OSSUtils.downloadFiles(OSSUtils.java:493)
	at com.brt.platform.module.downloadfile.DownloadFileModule.downlodfile(DownloadFileModule.java:283)
	at com.brt.platform.module.downloadfile.DownloadFileModule$$NUTZAOP._aop_invoke(DownloadFileModule.java:1)
	at org.nutz.aop.InterceptorChain.invoke(InterceptorChain.java:77)
	at org.nutz.aop.InterceptorChain.doChain(InterceptorChain.java:57)
	at org.nutz.aop.interceptor.TransactionInterceptor.filter(TransactionInterceptor.java:34)
	at org.nutz.aop.InterceptorChain.doChain(InterceptorChain.java:60)
	at com.dgj.nutz.interceptor.ExecutionTimeInterceptor.filter(ExecutionTimeInterceptor.java:28)
	at org.nutz.aop.InterceptorChain.doChain(InterceptorChain.java:60)
	at com.dgj.nutz.interceptor.NameSpaceAndSessionInterceptor.filter(NameSpaceAndSessionInterceptor.java:33)
	at org.nutz.aop.InterceptorChain.doChain(InterceptorChain.java:60)
	at org.nutz.aop.interceptor.LoggingMethodInterceptor.filter(LoggingMethodInterceptor.java:48)
	at org.nutz.aop.InterceptorChain.doChain(InterceptorChain.java:60)
	at com.brt.platform.module.downloadfile.DownloadFileModule$$NUTZAOP.downlodfile(DownloadFileModule.java)
	at com.brt.platform.module.downloadfile.DownloadFileModule.downlodfiles(DownloadFileModule.java:236)
	at com.brt.platform.module.downloadfile.DownloadFileModule$$NUTZAOP._aop_invoke(DownloadFileModule.java:1)
	at org.nutz.aop.InterceptorChain.invoke(InterceptorChain.java:77)
	at org.nutz.aop.InterceptorChain.doChain(InterceptorChain.java:57)
	at org.nutz.aop.interceptor.TransactionInterceptor.filter(TransactionInterceptor.java:34)
	at org.nutz.aop.InterceptorChain.doChain(InterceptorChain.java:60)
	at com.dgj.nutz.interceptor.ExecutionTimeInterceptor.filter(ExecutionTimeInterceptor.java:28)
	at org.nutz.aop.InterceptorChain.doChain(InterceptorChain.java:60)
	at com.dgj.nutz.interceptor.NameSpaceAndSessionInterceptor.filter(NameSpaceAndSessionInterceptor.java:33)
	at org.nutz.aop.InterceptorChain.doChain(InterceptorChain.java:60)
	at org.nutz.aop.interceptor.LoggingMethodInterceptor.filter(LoggingMethodInterceptor.java:48)
	at org.nutz.aop.InterceptorChain.doChain(InterceptorChain.java:60)
	at com.brt.platform.module.downloadfile.DownloadFileModule$$NUTZAOP.downlodfiles(DownloadFileModule.java)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at org.nutz.mvc.impl.processor.MethodInvokeProcessor.process(MethodInvokeProcessor.java:25)
	at org.nutz.mvc.impl.processor.AbstractProcessor.doNext(AbstractProcessor.java:44)
	at org.nutz.mvc.impl.processor.AdaptorProcessor.process(AdaptorProcessor.java:33)
	at org.nutz.mvc.impl.processor.AbstractProcessor.doNext(AbstractProcessor.java:44)
	at org.nutz.mvc.impl.processor.ActionFiltersProcessor.process(ActionFiltersProcessor.java:40)
	at org.nutz.mvc.impl.processor.AbstractProcessor.doNext(AbstractProcessor.java:44)
	at org.nutz.mvc.impl.processor.ModuleProcessor.process(ModuleProcessor.java:113)
	at org.nutz.mvc.impl.processor.AbstractProcessor.doNext(AbstractProcessor.java:44)
	at org.nutz.mvc.impl.processor.EncodingProcessor.process(EncodingProcessor.java:27)
	at org.nutz.mvc.impl.processor.AbstractProcessor.doNext(AbstractProcessor.java:44)
	at org.nutz.mvc.impl.processor.UpdateRequestAttributesProcessor.process(UpdateRequestAttributesProcessor.java:15)
	at org.nutz.mvc.impl.NutActionChain.doChain(NutActionChain.java:40)
	at org.nutz.mvc.impl.ActionInvoker.invoke(ActionInvoker.java:67)
	at org.nutz.mvc.ActionHandler.handle(ActionHandler.java:31)
	at org.nutz.mvc.NutFilter.doFilter(NutFilter.java:183)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:449)
	at org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365)
	at org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90)
	at org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83)
	at org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:383)
	at org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362)
	at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:504)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81)
	at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:650)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342)
	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:803)
	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:790)
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1459)
	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.lang.Thread.run(Unknown Source)
Caused by: org.apache.http.ConnectionClosedException: Premature end of Content-Length delimited message body (expected: 23014356; received: 22799740
	at org.apache.http.impl.io.ContentLengthInputStream.read(ContentLengthInputStream.java:180)
	at org.apache.http.conn.EofSensorInputStream.read(EofSensorInputStream.java:137)
	at org.apache.http.conn.EofSensorInputStream.read(EofSensorInputStream.java:150)
	at com.aliyun.oss.internal.OSSObjectOperation.getObject(OSSObjectOperation.java:234)