java Spring STS 3.6.1和Gradle插件

Question

我已经通过spring STS 3.6.1仪表板中的扩展选项卡下载了Gradle支持插件

然后尝试导入一个基于本地gradle的项目。但当我点击“构建模型”按钮时。弹出以下错误消息，gradel项目无法导入到我的spring STS中

unable to find valid certification path to requested target See error log for details

错误日志详细信息如下：

org.eclipse.core.runtime.CoreException: unable to find valid certification path to requested target at org.springsource.ide.eclipse.gradle.core.GradleModelProvider$GroupedModelProvider.ensureModels(GradleModelProvider.java:284) at org.springsource.ide.eclipse.gradle.core.GradleProject.getGradleModel(GradleProject.java:633) at org.springsource.ide.eclipse.gradle.core.GradleProject.getSkeletalGradleModel(GradleProject.java:654) at org.springsource.ide.eclipse.gradle.ui.wizards.GradleImportWizardPageOne$11.doit(GradleImportWizardPageOne.java:516) at org.springsource.ide.eclipse.gradle.core.util.GradleRunnable.run(GradleRunnable.java:84) at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:122) Caused by: org.gradle.tooling.GradleConnectionException: Could not install Gradle distribution from 'https://services.gradle.org/distributions/gradle-2.0-bin.zip'. at org.gradle.tooling.internal.consumer.DistributionFactory$ZippedDistribution.getToolingImplementationClasspath(DistributionFactory.java:107) at org.gradle.tooling.internal.consumer.loader.CachingToolingImplementationLoader.create(CachingToolingImplementationLoader.java:36) at org.gradle.tooling.internal.consumer.loader.SynchronizedToolingImplementationLoader.create(SynchronizedToolingImplementationLoader.java:40) at org.gradle.tooling.internal.consumer.connection.LazyConsumerActionExecutor.onStartAction(LazyConsumerActionExecutor.java:98) at org.gradle.tooling.internal.consumer.connection.LazyConsumerActionExecutor.run(LazyConsumerActionExecutor.java:81) at org.gradle.tooling.internal.consumer.connection.ProgressLoggingConsumerActionExecutor.run(ProgressLoggingConsumerActionExecutor.java:58) at org.gradle.tooling.internal.consumer.connection.LoggingInitializerConsumerActionExecutor.run(LoggingInitializerConsumerActionExecutor.java:44) at org.gradle.tooling.internal.consumer.async.DefaultAsyncConsumerActionExecutor$1$1.run(DefaultAsyncConsumerActionExecutor.java:55) at org.gradle.internal.concurrent.DefaultExecutorFactory$StoppableExecutorImpl$1.run(DefaultExecutorFactory.java:64) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.gradle.tooling.internal.consumer.BlockingResultHandler.getResult(BlockingResultHandler.java:46) at org.gradle.tooling.internal.consumer.DefaultModelBuilder.get(DefaultModelBuilder.java:48) at org.springsource.ide.eclipse.gradle.core.GradleModelProvider.buildModel(GradleModelProvider.java:385) at org.springsource.ide.eclipse.gradle.core.GradleModelProvider$GroupedModelProvider.ensureModels(GradleModelProvider.java:290) ... 5 more Caused by: javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target at sun.security.ssl.Alerts.getSSLException(Unknown Source) at sun.security.ssl.SSLSocketImpl.fatal(Unknown Source) at sun.security.ssl.Handshaker.fatalSE(Unknown Source) at sun.security.ssl.Handshaker.fatalSE(Unknown Source) at sun.security.ssl.ClientHandshaker.serverCertificate(Unknown Source) at sun.security.ssl.ClientHandshaker.processMessage(Unknown Source) at sun.security.ssl.Handshaker.processLoop(Unknown Source) at sun.security.ssl.Handshaker.process_record(Unknown Source) at sun.security.ssl.SSLSocketImpl.readRecord(Unknown Source) at sun.security.ssl.SSLSocketImpl.performInitialHandshake(Unknown Source) at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source) at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source) at sun.net.www.protocol.https.HttpsClient.afterConnect(Unknown Source) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(Unknown Source) at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source) at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(Unknown Source) at org.gradle.wrapper.Download.downloadInternal(Download.java:56) at org.gradle.wrapper.Download.download(Download.java:42) at org.gradle.tooling.internal.consumer.DistributionFactory$ProgressReportingDownload.download(DistributionFactory.java:127) at org.gradle.wrapper.Install$1.call(Install.java:57) at org.gradle.wrapper.Install$1.call(Install.java:44) at org.gradle.wrapper.ExclusiveFileAccessManager.access(ExclusiveFileAccessManager.java:65) at org.gradle.wrapper.Install.createDist(Install.java:44) at org.gradle.tooling.internal.consumer.DistributionFactory$ZippedDistribution.getToolingImplementationClasspath(DistributionFactory.java:103) at org.gradle.tooling.internal.consumer.loader.CachingToolingImplementationLoader.create(CachingToolingImplementationLoader.java:36) at org.gradle.tooling.internal.consumer.loader.SynchronizedToolingImplementationLoader.create(SynchronizedToolingImplementationLoader.java:40) at org.gradle.tooling.internal.consumer.connection.LazyConsumerActionExecutor.onStartAction(LazyConsumerActionExecutor.java:98) at org.gradle.tooling.internal.consumer.connection.LazyConsumerActionExecutor.run(LazyConsumerActionExecutor.java:81) at org.gradle.tooling.internal.consumer.connection.ProgressLoggingConsumerActionExecutor.run(ProgressLoggingConsumerActionExecutor.java:58) at org.gradle.tooling.internal.consumer.connection.LoggingInitializerConsumerActionExecutor.run(LoggingInitializerConsumerActionExecutor.java:44) at org.gradle.tooling.internal.consumer.async.DefaultAsyncConsumerActionExecutor$1$1.run(DefaultAsyncConsumerActionExecutor.java:55) at org.gradle.internal.concurrent.DefaultExecutorFactory$StoppableExecutorImpl$1.run(DefaultExecutorFactory.java:64) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) Caused by: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target at sun.security.validator.PKIXValidator.doBuild(Unknown Source) at sun.security.validator.PKIXValidator.engineValidate(Unknown Source) at sun.security.validator.Validator.validate(Unknown Source) at sun.security.ssl.X509TrustManagerImpl.validate(Unknown Source) at sun.security.ssl.X509TrustManagerImpl.checkTrusted(Unknown Source) at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(Unknown Source) ... 31 more Caused by: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target at sun.security.provider.certpath.SunCertPathBuilder.engineBuild(Unknown Source) at java.security.cert.CertPathBuilder.build(Unknown Source) ... 37 more