java.lang.NoClassDefFoundError: org/apache/commons/io/output/UnsynchronizedByteArrayOutputStream

文件输出时报出异常，如下：

java.lang.NoClassDefFoundError: org/apache/commons/io/output/UnsynchronizedByteArrayOutputStream
	at com.primeton.das.common.util.PoiExcelUtils.writeExcel(PoiExcelUtils.java:371)
	at com.primeton.das.standard.RcmStandardIndex.impl.RcmStandardIndexExcelModelImpl.rcmStandardIndexExcelModelDownloadByPath(RcmStandardIndexExcelModelImpl.java:34)
	at com.primeton.das.standard.RcmStandardIndex.impl.RcmStandardIndexTempDownload.rcmStandardIndexTempDownload_biz.invokePojo0(rcmStandardIndexTempDownload_biz.java:245)
	at com.primeton.das.standard.RcmStandardIndex.impl.RcmStandardIndexTempDownload.rcmStandardIndexTempDownload_biz.__choiceinvokePojo0(rcmStandardIndexTempDownload_biz.java:459)
	at com.primeton.das.standard.RcmStandardIndex.impl.RcmStandardIndexTempDownload.rcmStandardIndexTempDownload_biz.__invokeBiz(rcmStandardIndexTempDownload_biz.java:385)
	at com.primeton.das.standard.RcmStandardIndex.impl.RcmStandardIndexTempDownload.rcmStandardIndexTempDownload_biz._invoke(rcmStandardIndexTempDownload_biz.java:294)
	at com.primeton.das.standard.RcmStandardIndex.impl.RcmStandardIndexTempDownload.rcmStandardIndexTempDownload_biz.invoke(rcmStandardIndexTempDownload_biz.java:331)
	at com.primeton.engine.core.impl.process.BLProxy.invoke(BLProxy.java:223)
	at com.primeton.engine.component.impl.OperationAccessor.invoke(OperationAccessor.java:112)
	at com.primeton.engine.component.impl.OperationAccessor.invoke(OperationAccessor.java:80)
	at com.primeton.ext.engine.component.Operation.invoke(Operation.java:100)
	at com.primeton.engine.component.impl.LogicCompoment.invoke(LogicCompoment.java:178)
	at com.primeton.engine.component.impl.LogicCompoment.invoke(LogicCompoment.java:165)
	at com.primeton.ext.engine.component.LogicflowInvokerHelper.invokeLogicflow(LogicflowInvokerHelper.java:67)
	at com.primeton.ext.engine.core.processor.ExtBizProcessorV7$1.run(ExtBizProcessorV7.java:84)
	at com.primeton.ext.common.muo.MUOTemplate.execute(MUOTemplate.java:40)
	at com.primeton.ext.engine.core.processor.ExtBizProcessorV7.doProcess(ExtBizProcessorV7.java:82)
	at com.primeton.ext.engine.core.processor.ExtBizProcessor.doProcess(ExtBizProcessor.java:76)
	at com.primeton.ext.engine.core.processor.AbstractProcessor.process(AbstractProcessor.java:102)
	at com.primeton.access.http.impl.ProcessorWebInterceptor.doIntercept(ProcessorWebInterceptor.java:108)
	at com.primeton.access.http.impl.WebInterceptorChainImpl.doIntercept(WebInterceptorChainImpl.java:56)
	at com.primeton.access.authorization.impl.AccessedHttpResourceFilter.doIntercept(AccessedHttpResourceFilter.java:131)
	at com.primeton.access.http.impl.WebInterceptorChainImpl.doIntercept(WebInterceptorChainImpl.java:56)
	at com.eos.access.http.UserLoginCheckedFilter.doIntercept(UserLoginCheckedFilter.java:151)
	at com.primeton.access.http.impl.WebInterceptorChainImpl.doIntercept(WebInterceptorChainImpl.java:56)
	at com.eos.access.http.security.HttpRefererWebInterceptor.doIntercept(HttpRefererWebInterceptor.java:44)
	at com.primeton.access.http.impl.WebInterceptorChainImpl.doIntercept(WebInterceptorChainImpl.java:56)
	at com.primeton.access.http.impl.WebI18NInterceptor.doIntercept(WebI18NInterceptor.java:64)
	at com.primeton.access.http.impl.WebInterceptorChainImpl.doIntercept(WebInterceptorChainImpl.java:56)
	at com.eos.access.http.InterceptorFilter.doFilter(InterceptorFilter.java:120)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at com.primeton.workflow.springboot.api2.WFApiMethodHandler.doFilterInternal(WFApiMethodHandler.java:89)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:118)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:118)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:92)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:118)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:93)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:118)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at com.primeton.eos.dap.sdk.accesscontrol.SDKAccessControlFilter.doFilterInternal(SDKAccessControlFilter.java:132)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:118)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at com.primeton.eos.dap.sdk.actuate.filter.SDKActuatorAuthFilter.doFilterInternal(SDKActuatorAuthFilter.java:39)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:118)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at com.primeton.eos.springboot.autoconfig.EOS8SpringBootManagementConfiguration$EOS8EndpointCrossOriginFilter.doFilterInternal(EOS8SpringBootManagementConfiguration.java:66)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:118)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at com.primeton.eos.dap.sdk.actuate.filter.SDKActuatorMaskFilter.doFilterInternal(SDKActuatorMaskFilter.java:42)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:118)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at com.primeton.eos.dap.sdk.logging.filter.SDKLoggingFilter.doFilterInternal(SDKLoggingFilter.java:108)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:118)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.springframework.session.web.http.SessionRepositoryFilter.doFilterInternal(SessionRepositoryFilter.java:151)
	at org.springframework.session.web.http.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:86)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.springframework.cloud.sleuth.instrument.web.ExceptionLoggingFilter.doFilter(ExceptionLoggingFilter.java:50)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at brave.servlet.TracingFilter.doFilter(TracingFilter.java:82)
	at org.springframework.cloud.sleuth.instrument.web.LazyTracingFilter.doFilter(TraceWebServletAutoConfiguration.java:145)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.springframework.boot.actuate.metrics.web.servlet.WebMvcMetricsFilter.filterAndRecordMetrics(WebMvcMetricsFilter.java:114)
	at org.springframework.boot.actuate.metrics.web.servlet.WebMvcMetricsFilter.doFilterInternal(WebMvcMetricsFilter.java:104)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:118)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:118)
	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:202)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:490)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408)
	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:853)
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1587)
	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.ClassNotFoundException: org.apache.commons.io.output.UnsynchronizedByteArrayOutputStream
	at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	... 104 common frames omitted

解决办法：待定