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publicstatic <T> List<T> readExcel(Stringfile, Class<T> clazz){
List<T> dataList = newArrayList<>();
AnalysisEventListener<T> listener = newAnalysisEventListener<T>() {
@Overridepublicvoidinvoke(Tdata, AnalysisContextcontext) {
dataList.add(data);
}
@OverridepublicvoiddoAfterAllAnalysed(AnalysisContextcontext) {
}
};
FileInputStreaminputStream =null;
Filefile1 = newFile(String.valueOf(file));
try{
inputStream = newFileInputStream(file1);
ExcelReaderexcelReader = EasyExcel.read(inputStream, clazz, listener).build();
ReadSheetreadSheet = EasyExcel.readSheet(0).build();
excelReader.read(readSheet);
}catch (IOExceptione){
e.printStackTrace();
}finally {
if (inputStream != null) {
try {
inputStream.close();
} catch (IOExceptione) {
}
}
}
// 返回解析得到的实体类列表returndataList;
}
/**2024-04-29 11:04:10.897 WARN 23380 --- [nio-8080-exec-1] s.w.m.s.StandardServletMultipartResolver : Failed to perform cleanup of multipart itemsjava.io.UncheckedIOException: Cannot delete C:\Users\yang9\AppData\Local\Temp\tomcat.8080.3702378637834676933\work\Tomcat\localhost\renren-admin\data\upload_tmp\upload_1d978a16_8aa0_49da_b1c5_a4e6aa499db1_00000000.tmp at org.apache.tomcat.util.http.fileupload.disk.DiskFileItem.delete(DiskFileItem.java:431) at org.apache.catalina.core.ApplicationPart.delete(ApplicationPart.java:53) at org.springframework.web.multipart.support.StandardServletMultipartResolver.cleanupMultipart(StandardServletMultipartResolver.java:134) at org.springframework.web.servlet.DispatcherServlet.cleanupMultipart(DispatcherServlet.java:1251) at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1108) at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:965) at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006) at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:909) at javax.servlet.http.HttpServlet.service(HttpServlet.java:555) at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883) at javax.servlet.http.HttpServlet.service(HttpServlet.java:623) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:209) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:178) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153) at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:61) at org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108) at org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137) at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:154) at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66) at org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108) at org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137) at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:154) at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66) at org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:458) at org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:373) 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:387) at org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:370) at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:154) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:178) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153) at io.renren.common.xss.XssFilter.doFilter(XssFilter.java:30) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:178) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153) at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:61) at org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108) at org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137) at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:154) at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66) at org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108) at org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137) at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:154) at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66) at org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:458) at org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:373) 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:387) at org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:370) at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:154) at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:354) at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:267) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:178) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153) at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:178) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153) at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:178) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153) at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:178) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:167) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:90) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:481) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:130) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93) 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:390) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:926) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1790) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52) at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191) at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.base/java.lang.Thread.run(Thread.java:842)Caused by: java.io.IOException: Cannot delete C:\Users\yang9\AppData\Local\Temp\tomcat.8080.3702378637834676933\work\Tomcat\localhost\renren-admin\data\upload_tmp\upload_1d978a16_8aa0_49da_b1c5_a4e6aa499db1_00000000.tmp ... 85 common frames omitted2024-04-29 11:04:10.899 ERROR 23380 --- [nio-8080-exec-1] o.apache.coyote.http11.Http11Processor : Error processing requestjava.io.UncheckedIOException: Cannot delete C:\Users\yang9\AppData\Local\Temp\tomcat.8080.3702378637834676933\work\Tomcat\localhost\renren-admin\data\upload_tmp\upload_1d978a16_8aa0_49da_b1c5_a4e6aa499db1_00000000.tmp at org.apache.tomcat.util.http.fileupload.disk.DiskFileItem.delete(DiskFileItem.java:431) at org.apache.catalina.core.ApplicationPart.delete(ApplicationPart.java:53) at org.apache.catalina.connector.Request.recycle(Request.java:475) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:421) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:390) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:926) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1790) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52) at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191) at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.base/java.lang.Thread.run(Thread.java:842)Caused by: java.io.IOException: Cannot delete C:\Users\yang9\AppData\Local\Temp\tomcat.8080.3702378637834676933\work\Tomcat\localhost\renren-admin\data\upload_tmp\upload_1d978a16_8aa0_49da_b1c5_a4e6aa499db1_00000000.tmp ... 13 common frames omitted2024-04-29 11:04:10.899 ERROR 23380 --- [nio-8080-exec-1] o.a.coyote.http11.Http11NioProtocol : Error reading request, ignoredjava.io.UncheckedIOException: Cannot delete C:\Users\yang9\AppData\Local\Temp\tomcat.8080.3702378637834676933\work\Tomcat\localhost\renren-admin\data\upload_tmp\upload_1d978a16_8aa0_49da_b1c5_a4e6aa499db1_00000000.tmp at org.apache.tomcat.util.http.fileupload.disk.DiskFileItem.delete(DiskFileItem.java:431) at org.apache.catalina.core.ApplicationPart.delete(ApplicationPart.java:53) at org.apache.catalina.connector.Request.recycle(Request.java:475) at org.apache.catalina.connector.CoyoteAdapter.log(CoyoteAdapter.java:494) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:420) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:926) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1790) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52) at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191) at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.base/java.lang.Thread.run(Thread.java:842)Caused by: java.io.IOException: Cannot delete C:\Users\yang9\AppData\Local\Temp\tomcat.8080.3702378637834676933\work\Tomcat\localhost\renren-admin\data\upload_tmp\upload_1d978a16_8aa0_49da_b1c5_a4e6aa499db1_00000000.tmp ... 13 common frames omitted2024-04-29 11:04:10.900 ERROR 23380 --- [nio-8080-exec-1] org.apache.tomcat.util.net.NioEndpoint : Error running socket processorjava.io.UncheckedIOException: Cannot delete C:\Users\yang9\AppData\Local\Temp\tomcat.8080.3702378637834676933\work\Tomcat\localhost\renren-admin\data\upload_tmp\upload_1d978a16_8aa0_49da_b1c5_a4e6aa499db1_00000000.tmp at org.apache.tomcat.util.http.fileupload.disk.DiskFileItem.delete(DiskFileItem.java:431) at org.apache.catalina.core.ApplicationPart.delete(ApplicationPart.java:53) at org.apache.catalina.connector.Request.recycle(Request.java:475) at org.apache.catalina.connector.CoyoteAdapter.log(CoyoteAdapter.java:494) at org.apache.catalina.connector.CoyoteAdapter.checkRecycled(CoyoteAdapter.java:517) at org.apache.coyote.http11.Http11Processor.recycle(Http11Processor.java:1417) at org.apache.coyote.AbstractProtocol$ConnectionHandler.release(AbstractProtocol.java:1129) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:1090) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1790) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52) at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191) at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.base/java.lang.Thread.run(Thread.java:842)Caused by: java.io.IOException: Cannot delete C:\Users\yang9\AppData\Local\Temp\tomcat.8080.3702378637834676933\work\Tomcat\localhost\renren-admin\data\upload_tmp\upload_1d978a16_8aa0_49da_b1c5_a4e6aa499db1_00000000.tmp ... 14 common frames omitted*/
建议先去看文档
快速开始 、常见问题
触发场景描述
触发Bug的代码
提示的异常或者没有达到的效果
大家尽量把问题一次性描述清楚,然后贴上全部异常,这样方便把问题一次性解决掉。
至少大家要符合一个原则就是,能让其他人复现出这个问题,如果无法复现,肯定无法解决。
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