Exception in thread "main" java.lang.NoSuchMethodError: org.junit.platform.launcher.Launcher.execute

本文针对使用SpringBoot 2.2.4进行单元测试时出现的NoSuchMethodError错误,提供了解决方案,包括调整IDEA版本、降低SpringBoot版本及相应配置更改,确保单元测试正常运行。

错误:

Exception in thread "main" java.lang.NoSuchMethodError: org.junit.platform.launcher.Launcher.execute(Lorg/junit/platform/launcher/LauncherDiscoveryRequest;)V
环境:

       idea 2017.1.3

       springboot2.2.4

       数据库连接驱动使用的 com.mysql.cj.jdbc.Driver

     单元测试的时候报了这个错误,

     方案一:查询得到可能是idea版本问题,使用springboot.2.2.4单元测试的时候使用的是juit5,官网提示需要idea2017.3版本以上,但是因为没试过idea升级会不会造成idea那些配置都需要重新配置,懒得麻烦,所以就没使用这个方案.

    方案二:降低springboot的版本,个人使用2.0.5.RELEASE,降低版本后注意mysql驱动就需要改成com.mysql.jdbc.Driver,不然会报另外一个错,其实这个时候编译就会有问题,当时没看直接单元测试才发现.然后原来使用2.2.4版本的单元测试类不是public的,不改前控制台会提示这个问题,然后我改成public的就是了.还有一个需要注意,降低版本后单元测试类需要加上

@RunWith(SpringRunner.class)

因为2.2.4自动生成的单元测试类是没有这个的.该方案亲测有用

    方案三:有查到另外博客说是junit-jupiter-api这个依赖会影响,但是我的没有使用该依赖,所以该方法没试过,具体链接https://www.bbsmax.com/A/xl56poK0zr/

<dependencies>
    <dependency>
        <groupId>junit</groupId>
        <artifactId>junit</artifactId>
        <version>4.12</version>
    </dependency>
    <dependency>
        <groupId>org.junit.jupiter</groupId>
        <artifactId>junit-jupiter-api</artifactId>
        <version>RELEASE</version>
    </dependency>
</dependencies>

 

Exception in thread "main" java.lang.NoSuchMethodError: 'java.util.Set org.junit.platform.engine.TestDescriptor.getAncestors()' at org.junit.platform.launcher.core.StackTracePruningEngineExecutionListener.getTestClassNames(StackTracePruningEngineExecutionListener.java:50) at org.junit.platform.launcher.core.StackTracePruningEngineExecutionListener.executionFinished(StackTracePruningEngineExecutionListener.java:39) at org.junit.platform.launcher.core.DelegatingEngineExecutionListener.executionFinished(DelegatingEngineExecutionListener.java:46) at org.junit.platform.launcher.core.OutcomeDelayingEngineExecutionListener.reportEngineFailure(OutcomeDelayingEngineExecutionListener.java:83) at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:203) at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:169) at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:93) at org.junit.platform.launcher.core.EngineExecutionOrchestrator.lambda$execute$0(EngineExecutionOrchestrator.java:58) at org.junit.platform.launcher.core.EngineExecutionOrchestrator.withInterceptedStreams(EngineExecutionOrchestrator.java:141) at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:57) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:103) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:85) at org.junit.platform.launcher.core.DelegatingLauncher.execute(DelegatingLauncher.java:47) at org.junit.platform.launcher.core.SessionPerRequestLauncher.execute(SessionPerRequestLauncher.java:63) at com.intellij.junit5.JUnit5IdeaTestRunner.startRunnerWithArgs(JUnit5IdeaTestRunner.java:57) at com.intellij.rt.junit.IdeaTestRunner$Repeater$1.execute(IdeaTestRunner.java:38) at com.intellij.rt.execution.junit.TestsRepeater.repeat(TestsRepeater.java:11) at com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:35) at com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:232) at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:55)
最新发布
11-07
八月 21, 2025 7:22:30 下午 org.junit.platform.launcher.core.DefaultLauncher handleThrowable 警告: TestEngine with ID 'junit-vintage' failed to discover tests java.lang.NoSuchMethodError: org.junit.platform.engine.EngineDiscoveryRequest.getDiscoveryListener()Lorg/junit/platform/engine/EngineDiscoveryListener; at org.junit.platform.engine.support.discovery.EngineDiscoveryRequestResolution.resolveCompletely(EngineDiscoveryRequestResolution.java:89) at org.junit.platform.engine.support.discovery.EngineDiscoveryRequestResolution.run(EngineDiscoveryRequestResolution.java:83) at org.junit.platform.engine.support.discovery.EngineDiscoveryRequestResolver.resolve(EngineDiscoveryRequestResolver.java:113) at org.junit.vintage.engine.discovery.VintageDiscoverer.discover(VintageDiscoverer.java:42) at org.junit.vintage.engine.VintageTestEngine.discover(VintageTestEngine.java:64) at org.junit.platform.launcher.core.DefaultLauncher.discoverEngineRoot(DefaultLauncher.java:168) at org.junit.platform.launcher.core.DefaultLauncher.discoverRoot(DefaultLauncher.java:155) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:128) at com.intellij.junit5.JUnit5IdeaTestRunner.startRunnerWithArgs(JUnit5IdeaTestRunner.java:57) at com.intellij.rt.junit.IdeaTestRunner$Repeater$1.execute(IdeaTestRunner.java:38) at com.intellij.rt.execution.junit.TestsRepeater.repeat(TestsRepeater.java:11) at com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:35) at com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:232) at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:55) 八月 21, 2025 7:22:30 下午 org.junit.platform.launcher.core.DefaultLauncher handleThrowable 警告: TestEngine with ID 'junit-jupiter' failed to discover tests java.lang.NoSuchMethodError: org.junit.platform.engine.EngineDiscoveryRequest.getDiscoveryListener()Lorg/junit/platform/engine/EngineDiscoveryListener; at org.junit.platform.engine.support.discovery.EngineDiscoveryRequestResolution.resolveCompletely(EngineDiscoveryRequestResolution.java:89) at org.junit.platform.engine.support.discovery.EngineDiscoveryRequestResolution.run(EngineDiscoveryRequestResolution.java:83) at org.junit.platform.engine.support.discovery.EngineDiscoveryRequestResolver.resolve(EngineDiscoveryRequestResolver.java:113) at org.junit.jupiter.engine.discovery.DiscoverySelectorResolver.resolveSelectors(DiscoverySelectorResolver.java:46) at org.junit.jupiter.engine.JupiterTestEngine.discover(JupiterTestEngine.java:69) at org.junit.platform.launcher.core.DefaultLauncher.discoverEngineRoot(DefaultLauncher.java:168) at org.junit.platform.launcher.core.DefaultLauncher.discoverRoot(DefaultLauncher.java:155) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:128) at com.intellij.junit5.JUnit5IdeaTestRunner.startRunnerWithArgs(JUnit5IdeaTestRunner.java:57) at com.intellij.rt.junit.IdeaTestRunner$Repeater$1.execute(IdeaTestRunner.java:38) at com.intellij.rt.execution.junit.TestsRepeater.repeat(TestsRepeater.java:11) at com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:35) at com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:232) at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:55) 这又怎么了
08-22
@Test void register_ExceedMaxUserCount_ThrowsException() { UserInfo user = UserInfo.builder().build(); when(userRepository.count()).thenReturn(1001L); assertThrows(RuntimeException.class, () -> userService.register(user), "系统已达最大用户数限制:1000"); }报错java.lang.NoSuchMethodError: org.mockito.internal.configuration.plugins.Plugins.getMockitoLogger()Lorg/mockito/plugins/MockitoLogger; at org.mockito.junit.jupiter.MockitoExtension.beforeEach(MockitoExtension.java:152) at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.lambda$invokeBeforeEachCallbacks$2(TestMethodTestDescriptor.java:163) at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.lambda$invokeBeforeMethodsOrCallbacksUntilExceptionOccurs$6(TestMethodTestDescriptor.java:199) at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.invokeBeforeMethodsOrCallbacksUntilExceptionOccurs(TestMethodTestDescriptor.java:199) at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.invokeBeforeEachCallbacks(TestMethodTestDescriptor.java:162) at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:129) at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:66) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:151) at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:141) at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:139) at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138) at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95) at java.util.ArrayList.forEach(ArrayList.java:1259) at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:41) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:155) at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:141) at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:139) at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138) at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95) at java.util.ArrayList.forEach(ArrayList.java:1259) at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:41) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:155) at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:141) at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:139) at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138) at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95) at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.submit(SameThreadHierarchicalTestExecutorService.java:35) at org.junit.platform.engine.support.hierarchical.HierarchicalTestExecutor.execute(HierarchicalTestExecutor.java:57) at org.junit.platform.engine.support.hierarchical.HierarchicalTestEngine.execute(HierarchicalTestEngine.java:54) at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:107) at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:88) at org.junit.platform.launcher.core.EngineExecutionOrchestrator.lambda$execute$0(EngineExecutionOrchestrator.java:54) at org.junit.platform.launcher.core.EngineExecutionOrchestrator.withInterceptedStreams(EngineExecutionOrchestrator.java:67) at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:52) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:114) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:86) at org.junit.platform.launcher.core.DefaultLauncherSession$DelegatingLauncher.execute(DefaultLauncherSession.java:86) at org.junit.platform.launcher.core.SessionPerRequestLauncher.execute(SessionPerRequestLauncher.java:53) at com.intellij.junit5.JUnit5IdeaTestRunner.startRunnerWithArgs(JUnit5IdeaTestRunner.java:57) at com.intellij.rt.junit.IdeaTestRunner$Repeater$1.execute(IdeaTestRunner.java:38) at com.intellij.rt.execution.junit.TestsRepeater.repeat(TestsRepeater.java:11) at com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:35) at com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:231) at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:55) Suppressed: java.lang.NullPointerException at org.mockito.junit.jupiter.MockitoExtension.afterEach(MockitoExtension.java:184) at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.lambda$invokeAfterEachCallbacks$12(TestMethodTestDescriptor.java:257) at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.lambda$invokeAllAfterMethodsOrCallbacks$13(TestMethodTestDescriptor.java:273) at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.lambda$invokeAllAfterMethodsOrCallbacks$14(TestMethodTestDescriptor.java:273) at java.util.ArrayList.forEach(ArrayList.java:1259) at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.invokeAllAfterMethodsOrCallbacks(TestMethodTestDescriptor.java:272) at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.invokeAfterEachCallbacks(TestMethodTestDescriptor.java:256) at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:141) ... 47 more
08-22
Internal Error occurred. org.junit.platform.commons.JUnitException: TestEngine with ID 'junit-jupiter' failed to discover tests at org.junit.platform.launcher.core.EngineDiscoveryOrchestrator.discoverEngineRoot(EngineDiscoveryOrchestrator.java:165) at org.junit.platform.launcher.core.EngineDiscoveryOrchestrator.discoverSafely(EngineDiscoveryOrchestrator.java:132) at org.junit.platform.launcher.core.EngineDiscoveryOrchestrator.discover(EngineDiscoveryOrchestrator.java:105) at org.junit.platform.launcher.core.EngineDiscoveryOrchestrator.discover(EngineDiscoveryOrchestrator.java:78) at org.junit.platform.launcher.core.DefaultLauncher.discover(DefaultLauncher.java:99) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:85) at org.junit.platform.launcher.core.DelegatingLauncher.execute(DelegatingLauncher.java:47) at org.junit.platform.launcher.core.InterceptingLauncher.lambda$execute$1(InterceptingLauncher.java:39) at org.junit.platform.launcher.core.ClasspathAlignmentCheckingLauncherInterceptor.intercept(ClasspathAlignmentCheckingLauncherInterceptor.java:25) at org.junit.platform.launcher.core.InterceptingLauncher.execute(InterceptingLauncher.java:38) at org.junit.platform.launcher.core.DelegatingLauncher.execute(DelegatingLauncher.java:47) at org.junit.platform.launcher.core.SessionPerRequestLauncher.execute(SessionPerRequestLauncher.java:63) at com.intellij.junit5.JUnit5IdeaTestRunner.startRunnerWithArgs(JUnit5IdeaTestRunner.java:57) at com.intellij.rt.junit.IdeaTestRunner$Repeater$1.execute(IdeaTestRunner.java:38) at com.intellij.rt.execution.junit.TestsRepeater.repeat(TestsRepeater.java:11) at com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:35) at com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:232) at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:55) Caused by: org.junit.platform.commons.JUnitException: MethodSelector [className = 'com.jinzhu.JdbcTest', methodName = 'testUpdate', parameterTypes = '', classLoader = null] resolution failed at org.junit.platform.launcher.listeners.discovery.AbortOnFailureLauncherDiscoveryListener.selectorProcessed(AbortOnFailureLauncherDiscoveryListener.java:39) at org.junit.platform.engine.support.discovery.EngineDiscoveryRequestResolution.resolveCompletely(EngineDiscoveryRequestResolution.java:103) at org.junit.platform.engine.support.discovery.EngineDiscoveryRequestResolution.run(EngineDiscoveryRequestResolution.java:83) at org.junit.platform.engine.support.discovery.EngineDiscoveryRequestResolver.resolve(EngineDiscoveryRequestResolver.java:116) at org.junit.jupiter.engine.discovery.DiscoverySelectorResolver.resolveSelectors(DiscoverySelectorResolver.java:46) at org.junit.jupiter.engine.JupiterTestEngine.discover(JupiterTestEngine.java:69) at org.junit.platform.launcher.core.EngineDiscoveryOrchestrator.discoverEngineRoot(EngineDiscoveryOrchestrator.java:152) ... 17 more Caused by: java.lang.NoSuchMethodError: 'boolean org.junit.platform.commons.util.ReflectionUtils.returnsVoid(java.lang.reflect.Method)' at org.junit.jupiter.engine.discovery.predicates.IsTestableMethod.test(IsTestableMethod.java:48) at org.junit.jupiter.engine.discovery.predicates.IsTestMethod.test(IsTestMethod.java:23) at org.junit.jupiter.engine.discovery.predicates.IsTestableMethod.test(IsTestableMethod.java:26) at java.base/java.util.function.Predicate.lambda$or$2(Predicate.java:101) at java.base/java.util.function.Predicate.lambda$or$2(Predicate.java:101) at org.junit.platform.commons.util.ReflectionUtils.findMethod(ReflectionUtils.java:1593) at org.junit.platform.commons.util.ReflectionUtils.isMethodPresent(ReflectionUtils.java:1442) at org.junit.jupiter.engine.discovery.predicates.IsTestClassWithTests.hasTestOrTestFactoryOrTestTemplateMethods(IsTestClassWithTests.java:50) at org.junit.jupiter.engine.discovery.predicates.IsTestClassWithTests.test(IsTestClassWithTests.java:46) at org.junit.jupiter.engine.discovery.predicates.IsTestClassWithTests.test(IsTestClassWithTests.java:27) at java.base/java.util.function.Predicate.lambda$or$2(Predicate.java:101) at org.junit.jupiter.engine.discovery.MethodSelectorResolver.resolve(MethodSelectorResolver.java:87) at org.junit.jupiter.engine.discovery.MethodSelectorResolver.resolve(MethodSelectorResolver.java:75) at org.junit.platform.engine.support.discovery.EngineDiscoveryRequestResolution.lambda$resolve$2(EngineDiscoveryRequestResolution.java:150) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197) at java.base/java.util.ArrayList$ArrayListSpliterator.tryAdvance(ArrayList.java:1602) at java.base/java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:129) at java.base/java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:527) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:513) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499) at java.base/java.util.stream.FindOps$FindOp.evaluateSequential(FindOps.java:150) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.findFirst(ReferencePipeline.java:647) at org.junit.platform.engine.support.discovery.EngineDiscoveryRequestResolution.resolve(EngineDiscoveryRequestResolution.java:189) at org.junit.platform.engine.support.discovery.EngineDiscoveryRequestResolution.resolve(EngineDiscoveryRequestResolution.java:126) at org.junit.platform.engine.support.discovery.EngineDiscoveryRequestResolution.resolveCompletely(EngineDiscoveryRequestResolution.java:92) ... 22 more
06-23
`Exception in thread "main" java.lang.NoSuchMethodError: getZLVersion` 这个错误通常在 Java 环境中出现,而提到 C# 调用中琅 SDK 出现此错误,可能存在一些混淆,因为 C# 是 .NET 平台的编程语言,而 `java.lang.NoSuchMethodError` 是 Java 的异常。不过,下面从不同可能的情况给出解决办法: ### 1. 检查 SDK 版本兼容性 确保使用的中琅 SDK 版本与项目的目标框架以及代码兼容。如果 SDK 版本过旧或者过新,都可能导致方法找不到的错误。需要从官方渠道获取适合当前项目的 SDK 版本,并更新项目引用。 ### 2. 检查方法签名 确认 `getZLVersion` 方法的签名是否正确。方法签名包括方法名、参数类型和返回值类型。在调用该方法时,参数的数量、类型和顺序必须与 SDK 中定义的一致。 ### 3. 重新引用 SDK 在 C# 项目中,移除现有的中琅 SDK 引用,然后重新添加正确的 SDK 引用。步骤如下: ```plaintext 1. 在 Visual Studio 中,右键单击项目的“引用”文件夹,选择“管理 NuGet 包”(如果 SDK 是通过 NuGet 安装的)或者直接在“引用”文件夹中右键选择“添加引用”。 2. 在“引用管理器”中,找到中琅 SDK 的正确版本并添加引用。 ``` ### 4. 检查命名空间和类名 确保在代码中正确引用了包含 `getZLVersion` 方法的命名空间和类名。示例代码如下: ```csharp using ZhongLangSDKNamespace; // 替换为实际的命名空间 class Program { static void Main() { // 假设 SDK 中有一个类名为 ZhongLangSDK ZhongLangSDK sdk = new ZhongLangSDK(); try { string version = sdk.getZLVersion(); // 调用方法 Console.WriteLine("SDK 版本: " + version); } catch (Exception ex) { Console.WriteLine("调用方法时出错: " + ex.Message); } } } ``` ### 5. 检查 SDK 文档和示例代码 查阅中琅 SDK 的官方文档和示例代码,确保调用 `getZLVersion` 方法的方式符合官方建议。有时候,SDK 可能有特定的初始化步骤或者调用顺序要求。 ### 6. 联系 SDK 技术支持 如果以上方法都无法解决问题,建议联系中琅 SDK 的技术支持团队,向他们提供详细的错误信息和代码片段,以便他们协助排查问题。
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