如何修复 Time4J 库中的 NoSuchMethodError？
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【中文标题】如何修复 Time4J 库中的 NoSuchMethodError？【英文标题】：How can I fix the NoSuchMethodError from the Time4J Library? 【发布时间】：2020-03-08 06:11:22 【问题描述】：我在这行代码中遇到了 NoSuchMethodError：
private CalendarPicker<PersianCalendar> calendarPicker = CalendarPicker.persianWithSystemDefaults();
当我在 intellij idea 中运行项目时它工作正常，但输出 jar 文件不会运行。 我在eclipse中导出了项目，在eclipse中出现了这个错误。
我使用了这个库：
1 - time4j-core-4.38
2 - time4j-ui-5.5
3 - time4j-calendar-4.38.jar
4 - time4j-base-5.5.jar
错误全文：
Exception in Application start method
java.lang.reflect.InvocationTargetException
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 com.sun.javafx.application.LauncherImpl.launchApplicationWithArgs(LauncherImpl.java:389)
at com.sun.javafx.application.LauncherImpl.launchApplication(LauncherImpl.java:328)
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 sun.launcher.LauncherHelper$FXHelper.main(Unknown Source)
Caused by: java.lang.RuntimeException: Exception in Application start method
at com.sun.javafx.application.LauncherImpl.launchApplication1(LauncherImpl.java:917)
at com.sun.javafx.application.LauncherImpl.lambda$launchApplication$159(LauncherImpl.java:182)
at java.lang.Thread.run(Unknown Source)
Caused by: java.util.ServiceConfigurationError: net.time4j.scale.LeapSecondProvider: Provider net.time4j.scale.spi.DefaultLeapSecondProviderSPI could not be instantiated
at java.util.ServiceLoader.fail(Unknown Source)
at java.util.ServiceLoader.access$100(Unknown Source)
at java.util.ServiceLoader$LazyIterator.nextService(Unknown Source)
at java.util.ServiceLoader$LazyIterator.next(Unknown Source)
at java.util.ServiceLoader$1.next(Unknown Source)
at net.time4j.base.ResourceLoader$StdResourceLoader.services(ResourceLoader.java:463)
at net.time4j.scale.LeapSeconds.<init>(LeapSeconds.java:201)
at net.time4j.scale.LeapSeconds.<clinit>(LeapSeconds.java:179)
at net.time4j.SystemClock.calibrate(SystemClock.java:474)
at net.time4j.SystemClock.<clinit>(SystemClock.java:95)
at net.time4j.ui.javafx.CalendarPicker.lambda$persianWithSystemDefaults$15(CalendarPicker.java:761)
at net.time4j.ui.javafx.CalendarControl.<init>(CalendarControl.java:82)
at net.time4j.ui.javafx.CalendarPicker.<init>(CalendarPicker.java:178)
at net.time4j.ui.javafx.CalendarPicker.create(CalendarPicker.java:1110)
at net.time4j.ui.javafx.CalendarPicker.persian(CalendarPicker.java:785)
at net.time4j.ui.javafx.CalendarPicker.persianWithSystemDefaults(CalendarPicker.java:759)
at HomeScreenController.<init>(HomeScreenController.java:71)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
at java.lang.reflect.Constructor.newInstance(Unknown Source)
at java.lang.Class.newInstance(Unknown Source)
at sun.reflect.misc.ReflectUtil.newInstance(Unknown Source)
at javafx.fxml.FXMLLoader$ValueElement.processAttribute(FXMLLoader.java:927)
at javafx.fxml.FXMLLoader$InstanceDeclarationElement.processAttribute(FXMLLoader.java:971)
at javafx.fxml.FXMLLoader$Element.processStartElement(FXMLLoader.java:220)
at javafx.fxml.FXMLLoader$ValueElement.processStartElement(FXMLLoader.java:744)
at javafx.fxml.FXMLLoader.processStartElement(FXMLLoader.java:2707)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:2527)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:2441)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3214)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3175)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3148)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3124)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3104)
at javafx.fxml.FXMLLoader.load(FXMLLoader.java:3097)
at Main.start(Main.java:39)
at com.sun.javafx.application.LauncherImpl.lambda$launchApplication1$166(LauncherImpl.java:863)
at com.sun.javafx.application.PlatformImpl.lambda$runAndWait$179(PlatformImpl.java:326)
at com.sun.javafx.application.PlatformImpl.lambda$null$177(PlatformImpl.java:295)
at java.security.AccessController.doPrivileged(Native Method)
at com.sun.javafx.application.PlatformImpl.lambda$runLater$178(PlatformImpl.java:294)
at com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:95)
at com.sun.glass.ui.win.WinApplication._runLoop(Native Method)
at com.sun.glass.ui.win.WinApplication.lambda$null$152(WinApplication.java:177)
... 1 more
Caused by: java.lang.NoSuchMethodError: net.time4j.PlainDate.localFormatter(Ljava/lang/String;Lnet/time4j/format/ChronoPattern;)Lnet/time4j/format/TemporalFormatter;
at net.time4j.scale.spi.DefaultLeapSecondProviderSPI.<init>(DefaultLeapSecondProviderSPI.java:77)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
at java.lang.reflect.Constructor.newInstance(Unknown Source)
at java.lang.Class.newInstance(Unknown Source)
... 44 more
Exception running application Main
【问题讨论】：
【参考方案1】：NoSuchMethodError 通常意味着您的编译时和运行时环境之间存在依赖差异。
实际上，您很可能有：
1. 类路径中net.time4j JAR 的多个不同版本
2. 运行时类路径中的net.time4j JAR 与编译时使用的不同。
由于调用层次结构似乎表明 net.time4j 本身正在调用它不知道的方法，我怀疑类路径上有多个 JAR 版本。
这似乎与您正在谈论使用的 JAR 一致。您正在混合版本4.38 和版本5.5。您应该坚持使用套件中所有库的一个版本，因为它们很可能被设计为协同工作。
您可能有点困惑，因为 Time4J 似乎更改了 4.x 和 5.x 版本之间的封装，而 time4j-core 现在可能被命名为 time4j-base
tutorial page on the Time4J website 似乎表明您可以简单地删除对 time4-core 和 time4j-calendar 的现有依赖项。
【讨论】：
是的，可以删除旧的 v4.38 依赖项以支持 time4j-base-5.5.jar（以及用于 JavaFX 组件的 time4j-ui-5.5）。一个小的修正：新的基本模块（在 v5.x 中）正在替换旧的核心模块和旧的日历模块（在 v4.38 中）。【参考方案2】：由于在网上找到的不同来源，我遇到了同样的问题，混合了不同的 time4j - 版本。
所以这是不工作 - POM.XML - 导致问题的配置：
<!-- https://mvnrepository.com/artifact/net.time4j/time4j-core -->
<dependency>
<groupId>net.time4j</groupId>
<artifactId>time4j-parent</artifactId>
<version>5.5</version>
<type>pom</type>
</dependency>
<dependency>
<groupId>net.time4j</groupId>
<artifactId>time4j-core</artifactId>
<version>4.38</version>
</dependency>
<!-- https://mvnrepository.com/artifact/net.time4j/time4j-base -->
<dependency>
<groupId>net.time4j</groupId>
<artifactId>time4j-base</artifactId>
<version>5.5</version>
</dependency>
<dependency>
<groupId>net.time4j</groupId>
<artifactId>time4j-i18n</artifactId>
<version>4.38</version>
</dependency>
</dependencies>
解决方案：更新 MAVEN - 存储库。 Maven 仍在使用 4.38，尽管我已更改为 5.5 - 需要清理（清除）存储库。
<!-- https://mvnrepository.com/artifact/net.time4j/time4j-base -->
<dependency>
<groupId>net.time4j</groupId>
<artifactId>time4j-base</artifactId>
<version>5.5</version>
</dependency>
</dependencies>
<build>
<pluginManagement>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<configuration>
<archive>
<manifest>
<addClasspath>true</addClasspath>
<mainClass>fully.qualified.MainClass</mainClass>
</manifest>
</archive>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-dependency-plugin</artifactId>
<version>3.1.1</version>
<executions>
<execution>
<id>build-classpath</id>
<phase>generate-sources</phase>
<goals>
<goal>build-classpath</goal>
<goal>purge-local-repository</goal>
</goals>
<configuration>
<!-- configure the plugin here -->
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</pluginManagement>
<finalName>$project.artifactId</finalName>
</build>
现在它就像一个魅力。
【讨论】：
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