0

这段代码

private AlternatorDBClientV2 Client;

@Before
public void setUp() throws Exception {
    this.Client = new AlternatorDBClientV2();
}

给了我这个例外

java.lang.IllegalStateException: Unrecognized prefix for the AWS http client class name AlternatorDBClientV2
    at com.amazonaws.AmazonWebServiceClient.computeServiceName(AmazonWebServiceClient.java:546)
    at com.amazonaws.AmazonWebServiceClient.getServiceNameIntern(AmazonWebServiceClient.java:509)
    at com.amazonaws.AmazonWebServiceClient.configSigner(AmazonWebServiceClient.java:202)
    at com.amazonaws.AmazonWebServiceClient.setEndpoint(AmazonWebServiceClient.java:135)
    at com.michelboudreau.alternatorv2.AlternatorDBClientV2.setEndpoint(AlternatorDBClientV2.java:273)
    at com.michelboudreau.alternatorv2.AlternatorDBClientV2.init(AlternatorDBClientV2.java:109)
    at com.michelboudreau.alternatorv2.AlternatorDBClientV2.<init>(AlternatorDBClientV2.java:96)
    at com.michelboudreau.alternatorv2.AlternatorDBClientV2.<init>(AlternatorDBClientV2.java:91)
    at com.salesfront.test.CreateUserTest.setUp(CreateUserTest.java:51)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:45)
    at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
    at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42)
    at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:27)
    at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:30)
    at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:263)
    at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:68)
    at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:47)
    at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231)
    at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60)
    at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229)
    at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50)
    at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:222)
    at org.junit.runners.ParentRunner.run(ParentRunner.java:300)
    at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
    at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
4

3 回答 3

1

堆栈跟踪行号表明您已在应用程序的pom.xml文件中配置了 AWS Java 开发工具包的 1.6.8 版。

我查看了 AWS Java SDK 项目的连续 Git 标签,我从其 GitHub 站点克隆到我的工作站:

https://github.com/aws/aws-sdk-java

Alternator 项目是使用 AWS Java 开发工具包 1.6.4 版构建和回归测试的。

自 AWS Java SDK 1.6.4 版以来,亚马逊一直在添加逻辑,以根据解析端点 URL 和AmazonWebServiceClient.java的特定子类的实际名称来自动检测要连接的数据中心区域和服务

Alternator 仿真器客户端就是这样的AmazonWebServiceClient子类,但它们不遵循预期的命名约定。

要使用当前版本的 Alternator,您应该修改pom.xml以引用 AWS Java 开发工具包的 1.6.4 版本。您可以尝试使用 1.6.5、1.6.6 或 1.6.7 版本,但肯定 1.6.8 与 Alternator 不兼容。

于 2013-12-20T14:58:50.477 回答
0

自最初的答案以来,已经创建了更新版本的 Alternator,允许使用更高版本的 AWS SDK for Java 1.6 和 1.7。

请参阅 Alternator GitHub 存储库的问题和拉取请求部分:

https://github.com/mboudreau/Alternator

于 2014-06-16T01:11:54.823 回答
0

Alternator GitHub 存储库中有一个待处理的拉取请求,可解决此问题。

https://github.com/mboudreau/Alternator/pull/84

于 2014-01-03T19:47:38.380 回答