Question

我正在使用Kotlin（使用Maven）编写一个Spring Boot应用程序，并且一切正常，但是在生成我的应用程序的jar之后，由于找不到文件夹src / main / resources而引发了异常。：

Caused by: java.io.FileNotFoundException: src\main\resources\data\circuits-arrets.json

我读到这可能是因为我使用File类，并且在生成jar之后无法正常工作。这是我读取文件的方式：

var line: String?
val bufferedReader = BufferedReader(FileReader(File(csvLocation)))
do {
    line = bufferedReader.readLine()
    if (line != null) {
        //Do something with 'line'
    }
} while (line != null)

我发现一些使用InputStream而不是BufferedReader中的File的解决方案。
我的问题是：罐子真的改变了吗？如果是，那我该怎么办？

谢谢。

编辑： 这是命令jar tvf my-jar.jar的输出：

     0 Fri Feb 15 10:34:14 CET 2019 META-INF/
   552 Fri Feb 15 10:34:14 CET 2019 META-INF/MANIFEST.MF
     0 Fri Feb 15 10:34:14 CET 2019 org/
     0 Fri Feb 15 10:34:14 CET 2019 org/springframework/
     0 Fri Feb 15 10:34:14 CET 2019 org/springframework/boot/
     0 Fri Feb 15 10:34:14 CET 2019 org/springframework/boot/loader/
     0 Fri Feb 15 10:34:14 CET 2019 org/springframework/boot/loader/data/
  2688 Wed May 09 13:32:20 CEST 2018 org/springframework/boot/loader/data/RandomAccessDataFile$DataInputStream.class
     0 Fri Feb 15 10:34:14 CET 2019 org/springframework/boot/loader/jar/
  9736 Wed May 09 13:32:20 CEST 2018 org/springframework/boot/loader/jar/JarURLConnection.class
  1374 Wed May 09 13:32:20 CEST 2018 org/springframework/boot/loader/jar/JarFile$JarFileType.class
 14915 Wed May 09 13:32:20 CEST 2018 org/springframework/boot/loader/jar/JarFile.class
  3414 Wed May 09 13:32:20 CEST 2018 org/springframework/boot/loader/jar/JarEntry.class
   345 Wed May 09 13:32:20 CEST 2018 org/springframework/boot/loader/jar/FileHeader.class
  3172 Wed May 09 13:32:20 CEST 2018 org/springframework/boot/loader/jar/StringSequence.class
  4976 Wed May 09 13:32:20 CEST 2018 org/springframework/boot/loader/jar/AsciiBytes.class
  1593 Wed May 09 13:32:20 CEST 2018 org/springframework/boot/loader/jar/JarFileEntries$1.class
  1997 Wed May 09 13:32:20 CEST 2018 org/springframework/boot/loader/jar/JarFileEntries$EntryIterator.class
 10728 Wed May 09 13:32:20 CEST 2018 org/springframework/boot/loader/jar/JarFileEntries.class
   540 Wed May 09 13:32:20 CEST 2018 org/springframework/boot/loader/jar/CentralDirectoryVisitor.class
   299 Wed May 09 13:32:20 CEST 2018 org/springframework/boot/loader/jar/JarEntryFilter.class
  5267 Wed May 09 13:32:20 CEST 2018 org/springframework/boot/loader/jar/CentralDirectoryFileHeader.class
  3116 Wed May 09 13:32:20 CEST 2018 org/springframework/boot/loader/jar/CentralDirectoryEndRecord.class
  4624 Wed May 09 13:32:20 CEST 2018 org/springframework/boot/loader/jar/CentralDirectoryParser.class
  1693 Wed May 09 13:32:20 CEST 2018 org/springframework/boot/loader/jar/ZipInflaterInputStream.class
 11509 Wed May 09 13:32:20 CEST 2018 org/springframework/boot/loader/jar/Handler.class
     0 Fri Feb 15 10:34:14 CET 2019 org/springframework/boot/loader/archive/
   302 Wed May 09 13:32:20 CEST 2018 org/springframework/boot/loader/archive/Archive$Entry.class
   437 Wed May 09 13:32:20 CEST 2018 org/springframework/boot/loader/archive/Archive$EntryFilter.class
   945 Wed May 09 13:32:20 CEST 2018 org/springframework/boot/loader/archive/Archive.class
  1487 Wed May 09 13:32:20 CEST 2018 org/springframework/boot/loader/archive/ExplodedArchive$FileEntryIterator$EntryComparator.class
  3837 Wed May 09 13:32:20 CEST 2018 org/springframework/boot/loader/archive/ExplodedArchive$FileEntryIterator.class
  5243 Wed May 09 13:32:20 CEST 2018 org/springframework/boot/loader/archive/ExplodedArchive.class
  1484 Wed May 09 13:32:20 CEST 2018 org/springframework/boot/loader/PropertiesLauncher$ArchiveEntryFilter.class
 19737 Wed May 09 13:32:20 CEST 2018 org/springframework/boot/loader/PropertiesLauncher.class
   282 Wed May 09 13:32:20 CEST 2018 org/springframework/boot/loader/data/RandomAccessDataFile$1.class
  2062 Wed May 09 13:32:20 CEST 2018 org/springframework/boot/loader/jar/JarFile$1.class
  1233 Wed May 09 13:32:20 CEST 2018 org/springframework/boot/loader/jar/JarFile$2.class
  3263 Wed May 09 13:32:20 CEST 2018 org/springframework/boot/loader/data/RandomAccessDataFile$FileAccess.class
  4015 Wed May 09 13:32:20 CEST 2018 org/springframework/boot/loader/data/RandomAccessDataFile.class
  1102 Wed May 09 13:32:20 CEST 2018 org/springframework/boot/loader/archive/ExplodedArchive$FileEntry.class
  1081 Wed May 09 13:32:20 CEST 2018 org/springframework/boot/loader/archive/JarFileArchive$JarFileEntry.class
  7336 Wed May 09 13:32:20 CEST 2018 org/springframework/boot/loader/archive/JarFileArchive.class
  1502 Wed May 09 13:32:20 CEST 2018 org/springframework/boot/loader/MainMethodRunner.class
  3608 Wed May 09 13:32:20 CEST 2018 org/springframework/boot/loader/ExecutableArchiveLauncher.class
     0 Fri Feb 15 10:34:14 CET 2019 org/springframework/boot/loader/util/
  5203 Wed May 09 13:32:20 CEST 2018 org/springframework/boot/loader/util/SystemPropertyUtils.class
   485 Wed May 09 13:32:20 CEST 2018 org/springframework/boot/loader/data/RandomAccessData.class
   273 Wed May 09 13:32:20 CEST 2018 org/springframework/boot/loader/archive/ExplodedArchive$1.class
  1779 Wed May 09 13:32:20 CEST 2018 org/springframework/boot/loader/archive/JarFileArchive$EntryIterator.class
  1953 Wed May 09 13:32:20 CEST 2018 org/springframework/boot/loader/PropertiesLauncher$PrefixMatchingArchiveFilter.class
   266 Wed May 09 13:32:20 CEST 2018 org/springframework/boot/loader/PropertiesLauncher$1.class
  4684 Wed May 09 13:32:20 CEST 2018 org/springframework/boot/loader/Launcher.class
  1721 Wed May 09 13:32:20 CEST 2018 org/springframework/boot/loader/WarLauncher.class
  1585 Wed May 09 13:32:20 CEST 2018 org/springframework/boot/loader/JarLauncher.class
  1527 Wed May 09 13:32:20 CEST 2018 org/springframework/boot/loader/LaunchedURLClassLoader$UseFastConnectionExceptionsEnumeration.class
  5687 Wed May 09 13:32:20 CEST 2018 org/springframework/boot/loader/LaunchedURLClassLoader.class
   616 Wed May 09 13:32:20 CEST 2018 org/springframework/boot/loader/jar/Bytes.class
   702 Wed May 09 13:32:20 CEST 2018 org/springframework/boot/loader/jar/JarURLConnection$1.class
  4306 Wed May 09 13:32:20 CEST 2018 org/springframework/boot/loader/jar/JarURLConnection$JarEntryName.class
     0 Fri Feb 15 10:34:14 CET 2019 BOOT-INF/
     0 Fri Feb 15 10:34:14 CET 2019 BOOT-INF/classes/
     0 Fri Feb 15 10:34:08 CET 2019 BOOT-INF/classes/constants/
     0 Fri Feb 15 10:33:50 CET 2019 BOOT-INF/classes/data/
     0 Fri Feb 15 10:34:08 CET 2019 BOOT-INF/classes/fr/
     0 Fri Feb 15 10:34:10 CET 2019 BOOT-INF/classes/fr/asi/
     0 Fri Feb 15 10:34:08 CET 2019 BOOT-INF/classes/fr/asi/controllers/
     0 Fri Feb 15 10:34:10 CET 2019 BOOT-INF/classes/fr/asi/entities/
     0 Fri Feb 15 10:34:08 CET 2019 BOOT-INF/classes/fr/asi/entities/jsonEntities/
     0 Fri Feb 15 10:34:10 CET 2019 BOOT-INF/classes/fr/asi/entities/mainEntities/
     0 Fri Feb 15 10:34:10 CET 2019 BOOT-INF/classes/fr/asi/entities/viewModels/
     0 Fri Feb 15 10:34:10 CET 2019 BOOT-INF/classes/fr/asi/repositories/
     0 Fri Feb 15 10:34:10 CET 2019 BOOT-INF/classes/fr/asi/security/
     0 Fri Feb 15 10:34:10 CET 2019 BOOT-INF/classes/fr/asi/services/
     0 Fri Feb 15 10:34:10 CET 2019 BOOT-INF/classes/fr/asi/utils/
     0 Fri Feb 15 10:34:12 CET 2019 META-INF/maven/
     0 Fri Feb 15 10:34:12 CET 2019 META-INF/maven/com.auth0.samples/
     0 Fri Feb 15 10:34:12 CET 2019 META-INF/maven/com.auth0.samples/kotlin-spring-boot/
   584 Fri Feb 15 10:33:50 CET 2019 BOOT-INF/classes/application.properties
 87499 Fri Feb 15 10:33:50 CET 2019 BOOT-INF/classes/data/circuits-arrets.json
261015 Fri Feb 15 10:33:50 CET 2019 BOOT-INF/classes/data/tan-arrets.csv
  1029 Fri Feb 15 10:34:08 CET 2019 BOOT-INF/classes/fr/asi/Configuration.class
  3471 Fri Feb 15 10:34:08 CET 2019 BOOT-INF/classes/fr/asi/controllers/ApplicationUserController.class
  6013 Fri Feb 15 10:34:08 CET 2019 BOOT-INF/classes/fr/asi/controllers/BaseController.class
  1701 Fri Feb 15 10:34:08 CET 2019 BOOT-INF/classes/fr/asi/controllers/BikeStationController.class
  1692 Fri Feb 15 10:34:08 CET 2019 BOOT-INF/classes/fr/asi/controllers/BusStationController.class
   612 Fri Feb 15 10:34:08 CET 2019 BOOT-INF/classes/fr/asi/controllers/FavoriteController$WhenMappings.class
  5385 Fri Feb 15 10:34:08 CET 2019 BOOT-INF/classes/fr/asi/controllers/FavoriteController.class
  1778 Fri Feb 15 10:34:08 CET 2019 BOOT-INF/classes/fr/asi/controllers/LineController.class
  7389 Fri Feb 15 10:34:08 CET 2019 BOOT-INF/classes/fr/asi/controllers/StationController.class
  1868 Fri Feb 15 10:34:06 CET 2019 BOOT-INF/classes/fr/asi/entities/jsonEntities/Arret.class
  1079 Fri Feb 15 10:34:06 CET 2019 BOOT-INF/classes/fr/asi/entities/jsonEntities/BusLineLibelle.class
  3252 Fri Feb 15 10:34:08 CET 2019 BOOT-INF/classes/fr/asi/entities/mainEntities/ApplicationUser.class
  2977 Fri Feb 15 10:34:08 CET 2019 BOOT-INF/classes/fr/asi/entities/mainEntities/BikeStation.class
  2140 Fri Feb 15 10:34:08 CET 2019 BOOT-INF/classes/fr/asi/entities/mainEntities/Favorite.class
  2981 Fri Feb 15 10:34:08 CET 2019 BOOT-INF/classes/fr/asi/entities/mainEntities/Station.class
  1195 Fri Feb 15 10:34:06 CET 2019 BOOT-INF/classes/fr/asi/entities/viewModels/BaseVM.class
  3691 Fri Feb 15 10:34:06 CET 2019 BOOT-INF/classes/fr/asi/entities/viewModels/StationVM.class
  1663 Fri Feb 15 10:34:08 CET 2019 BOOT-INF/classes/fr/asi/KotlinSpringBootApplicationKt.class
   812 Fri Feb 15 10:34:06 CET 2019 BOOT-INF/classes/fr/asi/repositories/BaseRepository.class
   702 Fri Feb 15 10:34:08 CET 2019 BOOT-INF/classes/fr/asi/repositories/BusStationRepository.class
   672 Fri Feb 15 10:34:08 CET 2019 BOOT-INF/classes/fr/asi/repositories/LineRepository.class
  5530 Fri Feb 15 10:34:08 CET 2019 BOOT-INF/classes/fr/asi/security/JWTAuthenticationFilter.class
  2578 Fri Feb 15 10:34:08 CET 2019 BOOT-INF/classes/fr/asi/security/UserDetailsServiceImpl.class
  4617 Fri Feb 15 10:34:06 CET 2019 BOOT-INF/classes/fr/asi/services/BaseService.class
  1186 Fri Feb 15 10:34:06 CET 2019 BOOT-INF/classes/fr/asi/services/LineService.class
  5525 Fri Feb 15 10:34:08 CET 2019 BOOT-INF/classes/fr/asi/StartingDataInjector.class
  7943 Fri Feb 15 10:34:06 CET 2019 BOOT-INF/classes/fr/asi/utils/ParsersKt.class
   121 Fri Feb 15 10:34:08 CET 2019 META-INF/kotlin-spring-boot.kotlin_module
  7216 Fri Feb 15 10:31:38 CET 2019 META-INF/maven/com.auth0.samples/kotlin-spring-boot/pom.xml
  1693 Fri Feb 15 10:34:08 CET 2019 BOOT-INF/classes/constants/ConstantsKt.class
  1805 Fri Feb 15 10:34:08 CET 2019 BOOT-INF/classes/fr/asi/entities/mainEntities/AccessCondition.class
  1065 Fri Feb 15 10:34:08 CET 2019 BOOT-INF/classes/fr/asi/entities/mainEntities/BaseEntity.class
  3506 Fri Feb 15 10:34:08 CET 2019 BOOT-INF/classes/fr/asi/entities/mainEntities/BusStation.class
  1434 Fri Feb 15 10:34:08 CET 2019 BOOT-INF/classes/fr/asi/entities/mainEntities/FavoriteType.class
  2945 Fri Feb 15 10:34:08 CET 2019 BOOT-INF/classes/fr/asi/entities/mainEntities/Line.class
  2056 Fri Feb 15 10:34:08 CET 2019 BOOT-INF/classes/fr/asi/entities/mainEntities/StationType.class
  2081 Fri Feb 15 10:34:06 CET 2019 BOOT-INF/classes/fr/asi/entities/viewModels/LineVM.class
   613 Fri Feb 15 10:34:08 CET 2019 BOOT-INF/classes/fr/asi/KotlinSpringBootApplication.class
  1101 Fri Feb 15 10:34:06 CET 2019 BOOT-INF/classes/fr/asi/repositories/ApplicationUserRepository.class
   707 Fri Feb 15 10:34:08 CET 2019 BOOT-INF/classes/fr/asi/repositories/BikeStationRepository.class
   692 Fri Feb 15 10:34:08 CET 2019 BOOT-INF/classes/fr/asi/repositories/FavoriteRepository.class
   687 Fri Feb 15 10:34:08 CET 2019 BOOT-INF/classes/fr/asi/repositories/StationRepository.class
  4738 Fri Feb 15 10:34:08 CET 2019 BOOT-INF/classes/fr/asi/security/JWTAuthorizationFilter.class
  6776 Fri Feb 15 10:34:08 CET 2019 BOOT-INF/classes/fr/asi/security/WebSecurity.class
  1235 Fri Feb 15 10:34:06 CET 2019 BOOT-INF/classes/fr/asi/services/BikeStationService.class
  1228 Fri Feb 15 10:34:06 CET 2019 BOOT-INF/classes/fr/asi/services/BusStationService.class
  1207 Fri Feb 15 10:34:06 CET 2019 BOOT-INF/classes/fr/asi/services/StationService.class
  2405 Fri Feb 15 10:34:06 CET 2019 BOOT-INF/classes/fr/asi/utils/FindersKt.class
  5205 Fri Feb 15 10:34:08 CET 2019 BOOT-INF/classes/fr/asi/VMUtils.class
   114 Fri Feb 15 10:34:12 CET 2019 META-INF/maven/com.auth0.samples/kotlin-spring-boot/pom.properties
 29487 Fri Feb 15 10:33:50 CET 2019 BOOT-INF/classes/data/stations-velos-libre-service-nantes-metropole.csv
     0 Fri Feb 15 10:34:14 CET 2019 BOOT-INF/lib/
   628 Wed May 09 13:41:28 CEST 2018 BOOT-INF/lib/spring-boot-starter-data-jpa-2.0.2.RELEASE.jar
   593 Wed May 09 13:30:56 CEST 2018 BOOT-INF/lib/spring-boot-starter-2.0.2.RELEASE.jar
927496 Wed May 09 13:19:02 CEST 2018 BOOT-INF/lib/spring-boot-2.0.2.RELEASE.jar
1161361 Wed May 09 13:25:34 CEST 2018 BOOT-INF/lib/spring-boot-autoconfigure-2.0.2.RELEASE.jar
   613 Wed May 09 13:30:56 CEST 2018 BOOT-INF/lib/spring-boot-starter-logging-2.0.2.RELEASE.jar
290339 Fri Mar 31 21:27:54 CEST 2017 BOOT-INF/lib/logback-classic-1.2.3.jar
471901 Fri Mar 31 21:27:16 CEST 2017 BOOT-INF/lib/logback-core-1.2.3.jar
 17519 Sun Nov 19 01:08:44 CET 2017 BOOT-INF/lib/log4j-to-slf4j-2.10.0.jar
255485 Sun Nov 19 00:48:58 CET 2017 BOOT-INF/lib/log4j-api-2.10.0.jar
  4596 Thu Mar 16 17:37:48 CET 2017 BOOT-INF/lib/jul-to-slf4j-1.7.25.jar
 26586 Wed Feb 21 15:54:16 CET 2018 BOOT-INF/lib/javax.annotation-api-1.3.2.jar
297518 Sat Oct 14 11:44:44 CEST 2017 BOOT-INF/lib/snakeyaml-1.19.jar
   600 Wed May 09 13:41:20 CEST 2018 BOOT-INF/lib/spring-boot-starter-aop-2.0.2.RELEASE.jar
1930381 Wed Nov 15 11:26:54 CET 2017 BOOT-INF/lib/aspectjweaver-1.8.13.jar
   598 Wed May 09 13:41:22 CEST 2018 BOOT-INF/lib/spring-boot-starter-jdbc-2.0.2.RELEASE.jar
143471 Thu Apr 05 17:30:38 CEST 2018 BOOT-INF/lib/HikariCP-2.7.9.jar
401279 Tue May 08 08:06:44 CEST 2018 BOOT-INF/lib/spring-jdbc-5.0.6.RELEASE.jar
6739203 Thu Apr 26 11:06:04 CEST 2018 BOOT-INF/lib/hibernate-core-5.2.17.Final.jar
 66469 Wed Feb 14 13:23:28 CET 2018 BOOT-INF/lib/jboss-logging-3.3.2.Final.jar
113371 Fri Jul 26 12:01:34 CEST 2013 BOOT-INF/lib/hibernate-jpa-2.1-api-1.0.0.Final.jar
739582 Tue Oct 10 18:04:58 CEST 2017 BOOT-INF/lib/javassist-3.22.0-GA.jar
445288 Wed Sep 06 11:15:06 CEST 2006 BOOT-INF/lib/antlr-2.7.7.jar
186741 Tue Aug 02 13:41:56 CEST 2016 BOOT-INF/lib/jandex-2.0.3.Final.jar
 65100 Sat Sep 09 14:47:28 CEST 2017 BOOT-INF/lib/classmate-1.3.4.jar
313898 Mon May 16 14:19:12 CEST 2005 BOOT-INF/lib/dom4j-1.6.1.jar
 75288 Tue Nov 24 15:03:08 CET 2015 BOOT-INF/lib/hibernate-commons-annotations-5.0.1.Final.jar
 30724 Mon May 13 15:11:34 CEST 2013 BOOT-INF/lib/javax.transaction-api-1.2.jar
335660 Tue May 08 14:29:02 CEST 2018 BOOT-INF/lib/spring-data-jpa-2.0.7.RELEASE.jar
1076871 Tue May 08 14:23:50 CEST 2018 BOOT-INF/lib/spring-data-commons-2.0.7.RELEASE.jar
191789 Tue May 08 08:07:28 CEST 2018 BOOT-INF/lib/spring-orm-5.0.6.RELEASE.jar
255201 Tue May 08 08:06:38 CEST 2018 BOOT-INF/lib/spring-tx-5.0.6.RELEASE.jar
 41203 Thu Mar 16 17:36:32 CET 2017 BOOT-INF/lib/slf4j-api-1.7.25.jar
 46745 Tue May 08 08:08:48 CEST 2018 BOOT-INF/lib/spring-aspects-5.0.6.RELEASE.jar
   588 Wed May 09 13:41:32 CEST 2018 BOOT-INF/lib/spring-boot-starter-web-2.0.2.RELEASE.jar
   645 Wed May 09 13:41:30 CEST 2018 BOOT-INF/lib/spring-boot-starter-json-2.0.2.RELEASE.jar
 33392 Mon Mar 26 15:55:48 CEST 2018 BOOT-INF/lib/jackson-datatype-jdk8-2.9.5.jar
 99630 Mon Mar 26 15:56:26 CEST 2018 BOOT-INF/lib/jackson-datatype-jsr310-2.9.5.jar
  8646 Mon Mar 26 15:54:04 CEST 2018 BOOT-INF/lib/jackson-module-parameter-names-2.9.5.jar
   591 Wed May 09 13:41:32 CEST 2018 BOOT-INF/lib/spring-boot-starter-tomcat-2.0.2.RELEASE.jar
3115994 Fri Apr 27 21:24:52 CEST 2018 BOOT-INF/lib/tomcat-embed-core-8.5.31.jar
240244 Fri Apr 27 21:24:54 CEST 2018 BOOT-INF/lib/tomcat-embed-el-8.5.31.jar
256776 Fri Apr 27 21:24:54 CEST 2018 BOOT-INF/lib/tomcat-embed-websocket-8.5.31.jar
1130724 Tue Mar 27 09:03:18 CEST 2018 BOOT-INF/lib/hibernate-validator-6.0.9.Final.jar
 93107 Tue Dec 19 16:23:28 CET 2017 BOOT-INF/lib/validation-api-2.0.1.Final.jar
1254097 Tue May 08 08:07:04 CEST 2018 BOOT-INF/lib/spring-web-5.0.6.RELEASE.jar
789889 Tue May 08 08:07:52 CEST 2018 BOOT-INF/lib/spring-webmvc-5.0.6.RELEASE.jar
   604 Wed May 09 13:41:42 CEST 2018 BOOT-INF/lib/spring-boot-starter-security-2.0.2.RELEASE.jar
366299 Tue May 08 08:06:20 CEST 2018 BOOT-INF/lib/spring-aop-5.0.6.RELEASE.jar
691611 Tue May 08 15:25:12 CEST 2018 BOOT-INF/lib/spring-security-config-5.0.5.RELEASE.jar
494788 Tue May 08 15:24:48 CEST 2018 BOOT-INF/lib/spring-security-web-5.0.5.RELEASE.jar
 72603 Thu Jan 10 22:41:24 CET 2019 BOOT-INF/lib/spring-security-crypto-5.1.3.RELEASE.jar
433210 Thu Jan 10 22:41:26 CET 2019 BOOT-INF/lib/spring-security-core-5.1.3.RELEASE.jar
660573 Tue May 08 08:06:02 CEST 2018 BOOT-INF/lib/spring-beans-5.0.6.RELEASE.jar
1090735 Tue May 08 08:06:32 CEST 2018 BOOT-INF/lib/spring-context-5.0.6.RELEASE.jar
1226584 Tue May 08 08:05:54 CEST 2018 BOOT-INF/lib/spring-core-5.0.6.RELEASE.jar
 21704 Tue May 08 08:05:42 CEST 2018 BOOT-INF/lib/spring-jcl-5.0.6.RELEASE.jar
279878 Tue May 08 08:06:20 CEST 2018 BOOT-INF/lib/spring-expression-5.0.6.RELEASE.jar
 13769 Tue Nov 13 13:35:54 CET 2018 BOOT-INF/lib/kotlin-stdlib-jdk8-1.3.10.jar
1181292 Tue Nov 13 13:25:52 CET 2018 BOOT-INF/lib/kotlin-stdlib-1.3.10.jar
151024 Tue Nov 13 13:24:28 CET 2018 BOOT-INF/lib/kotlin-stdlib-common-1.3.10.jar
 17536 Tue Dec 17 16:10:34 CET 2013 BOOT-INF/lib/annotations-13.0.jar
  3137 Tue Nov 13 13:35:52 CET 2018 BOOT-INF/lib/kotlin-stdlib-jdk7-1.3.10.jar
2645740 Tue Nov 13 13:33:06 CET 2018 BOOT-INF/lib/kotlin-reflect-1.3.10.jar
501860 Wed Aug 15 21:36:52 CEST 2018 BOOT-INF/lib/commons-lang3-3.8.jar
127509 Fri Aug 04 15:17:50 CEST 2017 BOOT-INF/lib/javax.ws.rs-api-2.1.jar
164361 Sun Dec 23 12:30:54 CET 2018 BOOT-INF/lib/klaxon-5.0.1.jar
 50732 Thu Jan 03 15:45:18 CET 2019 BOOT-INF/lib/java-jwt-3.5.0.jar
1342410 Mon Mar 26 15:13:56 CEST 2018 BOOT-INF/lib/jackson-databind-2.9.5.jar
 66519 Sat Jul 29 20:53:26 CEST 2017 BOOT-INF/lib/jackson-annotations-2.9.0.jar
321590 Mon Mar 26 08:04:00 CEST 2018 BOOT-INF/lib/jackson-core-2.9.5.jar
335042 Tue Oct 17 08:53:20 CEST 2017 BOOT-INF/lib/commons-codec-1.11.jar
1007502 Tue Aug 07 08:59:10 CEST 2018 BOOT-INF/lib/mysql-connector-java-5.1.47.jar

Answer 1

生产应用程序将无法在您的IDE中运行，对吗？因此，这比查找文件在类路径中的位置没有那么重要。

基本上，jar文件中没有src/main/resources目录-该目录只是用于在项目中保存资源的Maven约定。如果您破解了jar并找到了问题文件，您将更好地了解Maven在打包时将这些文件放在何处以及如何访问它们。还要注意，一个支持Maven的IDE会将文件放在应用程序类路径的src/main/resources中，因此一旦确定了正确的解决方案，该应用程序也可能会在IDE中运行。

要访问示例中的application.properties文件，请按照建议使用getResource或getResourceAsStream，并使用路径/BOOT-INF/classes/application.properties。注意第一个斜杠。

Answer 2

我终于解决了这个问题。我不知道使用BufferedReader仍然是最佳实践，但是我决定将其保留在我的代码中，因为一切都已经完成了。因此，我放弃使用File类，并使用以下内容从src/main/resources获取资源：

 var line: String?
 val bufferedReader = BufferedReader(InputStreamReader(Thread.currentThread().contextClassLoader.getResourceAsStream(csvLocation)))
 do {
     line = bufferedReader.readLine()
     if (line != null) {
         //Do something with 'line'
     }
 } while (line != null)

csvLocation值为"data/myFile.csv"。该文件位于src/main/resources/data

最后，此解决方案可在我的IDE和生成的jar中使用。问题解决了。

如何从Kotlin的src / main / resources加载资源？

2 个答案: