Spring Integration JDBC元数据存储
Spring Integration JDBC元数据存储
提问于 2018-06-05 05:19:45
我正在使用Spring Integration读取文件FileReadingMessageSource，为了避免同一个文件被重复读取(或者其他并发应用程序也会读取它)，我使用了FileSystemPersistentAcceptOnceFileListFilter。
一切运行正常，它将文件的状态保存在DB (MySQL)中。问题是:当我试图读取同一个文件两次时，我得到了一个异常：
org.springframework.core.convert.support.DefaultConversionService.getSharedInstance()Lorg/springframework/core/convert/ConversionService;
有没有人也有过同样的遭遇？谢谢!
详细异常：
SEVERE: java.lang.NoSuchMethodError: org.springframework.core.convert.support.DefaultConversionService.getSharedInstance()Lorg/springframework/core/convert/ConversionService;
at org.springframework.jdbc.core.SingleColumnRowMapper.<init>(SingleColumnRowMapper.java:53)
at org.springframework.jdbc.core.JdbcTemplate.getSingleColumnRowMapper(JdbcTemplate.java:1291)
at org.springframework.jdbc.core.JdbcTemplate.queryForObject(JdbcTemplate.java:797)
at org.springframework.integration.jdbc.metadata.JdbcMetadataStore.putIfAbsent(JdbcMetadataStore.java:134)
at org.springframework.integration.file.filters.AbstractPersistentAcceptOnceFileListFilter.accept(AbstractPersistentAcceptOnceFileListFilter.java:77)
at org.springframework.integration.file.filters.AbstractFileListFilter.filterFiles(AbstractFileListFilter.java:40)
at org.springframework.integration.file.filters.CompositeFileListFilter.filterFiles(CompositeFileListFilter.java:108)
at org.springframework.integration.file.DefaultDirectoryScanner.listFiles(DefaultDirectoryScanner.java:86)
at org.springframework.integration.file.FileReadingMessageSource.scanInputDirectory(FileReadingMessageSource.java:293)
at org.springframework.integration.file.FileReadingMessageSource.receive(FileReadingMessageSource.java:272)
at org.springframework.integration.endpoint.SourcePollingChannelAdapter.receiveMessage(SourcePollingChannelAdapter.java:175)
at org.springframework.integration.endpoint.AbstractPollingEndpoint.doPoll(AbstractPollingEndpoint.java:224)
at org.springframework.integration.endpoint.AbstractPollingEndpoint.access$000(AbstractPollingEndpoint.java:57)
at org.springframework.integration.endpoint.AbstractPollingEndpoint$1.call(AbstractPollingEndpoint.java:176)
at org.springframework.integration.endpoint.AbstractPollingEndpoint$1.call(AbstractPollingEndpoint.java:173)
at org.springframework.integration.endpoint.AbstractPollingEndpoint$Poller$1.run(AbstractPollingEndpoint.java:330)
at org.springframework.integration.util.ErrorHandlingTaskExecutor$1.run(ErrorHandlingTaskExecutor.java:55)
at org.springframework.core.task.SyncTaskExecutor.execute(SyncTaskExecutor.java:50)
at org.springframework.integration.util.ErrorHandlingTaskExecutor.execute(ErrorHandlingTaskExecutor.java:51)
at org.springframework.integration.endpoint.AbstractPollingEndpoint$Poller.run(AbstractPollingEndpoint.java:324)
at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:81)
at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:514)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:299)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
at java.base/java.lang.Thread.run(Thread.java:844)页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/50688928
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