Question

尝试在Eclipse Mars中创建Gradle项目时出现以下错误

由于连接到Gradle构建时出错，因此加载Gradle项目预览失败。无法从＆＃39; https://services.gradle.org/distributions/gradle-2.6-bin.zip＆＃39;。

安装Gradle分发版

java.lang.RuntimeException: Unexpected error: java.security.InvalidAlgorithmParameterException: the trustAnchors parameter must be non-empty
Unexpected error: java.security.InvalidAlgorithmParameterException: the trustAnchors parameter must be non-empty
the trustAnchors parameter must be non-empty
org.gradle.tooling.GradleConnectionException: Could not install Gradle distribution from 'https://services.gradle.org/distributions/gradle-2.6-bin.zip'.
    at org.gradle.tooling.internal.consumer.DistributionFactory$ZippedDistribution$1.call(DistributionFactory.java:128)
    at org.gradle.tooling.internal.consumer.DistributionFactory$ZippedDistribution$1.call(DistributionFactory.java:116)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)
    at org.gradle.tooling.internal.consumer.BlockingResultHandler.getResult(BlockingResultHandler.java:46)
    at org.gradle.tooling.internal.consumer.DefaultBuildLauncher.run(DefaultBuildLauncher.java:72)
    at com.gradleware.tooling.toolingclient.internal.DefaultToolingClient.executeAndWait(DefaultToolingClient.java:123)
    at com.gradleware.tooling.toolingclient.internal.DefaultBuildLaunchRequest.executeAndWait(DefaultBuildLaunchRequest.java:49)
    at org.eclipse.buildship.ui.wizard.project.ProjectCreationWizard$NewGradleProjectInitializer.run(ProjectCreationWizard.java:298)
    at org.eclipse.buildship.core.projectimport.ProjectPreviewJob.runToolingApiJobInWorkspace(ProjectPreviewJob.java:76)
    at org.eclipse.buildship.core.util.progress.ToolingApiWorkspaceJob$1.run(ToolingApiWorkspaceJob.java:74)
    at org.eclipse.buildship.core.util.progress.ToolingApiInvoker.invoke(ToolingApiInvoker.java:61)
    at org.eclipse.buildship.core.util.progress.ToolingApiWorkspaceJob.runInWorkspace(ToolingApiWorkspaceJob.java:71)
    at org.eclipse.core.internal.resources.InternalWorkspaceJob.run(InternalWorkspaceJob.java:39)
    at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
Caused by: javax.net.ssl.SSLException: java.lang.RuntimeException: Unexpected error: java.security.InvalidAlgorithmParameterException: the trustAnchors parameter must be non-empty
    at sun.security.ssl.Alerts.getSSLException(Alerts.java:208)
    at sun.security.ssl.SSLSocketImpl.fatal(SSLSocketImpl.java:1949)
    at sun.security.ssl.SSLSocketImpl.fatal(SSLSocketImpl.java:1906)
    at sun.security.ssl.SSLSocketImpl.handleException(SSLSocketImpl.java:1889)
    at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1410)
    at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1387)
    at sun.net.www.protocol.https.HttpsClient.afterConnect(HttpsClient.java:559)
    at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:185)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1513)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1441)
    at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:254)
    at org.gradle.wrapper.Download.downloadInternal(Download.java:58)
    at org.gradle.wrapper.Download.download(Download.java:44)
    at org.gradle.tooling.internal.consumer.DistributionFactory$ProgressReportingDownload.download(DistributionFactory.java:177)
    at org.gradle.wrapper.Install$1.call(Install.java:62)
    at org.gradle.wrapper.Install$1.call(Install.java:48)
    at org.gradle.wrapper.ExclusiveFileAccessManager.access(ExclusiveFileAccessManager.java:65)
    at org.gradle.wrapper.Install.createDist(Install.java:48)
    at org.gradle.tooling.internal.consumer.DistributionFactory$ZippedDistribution$1.call(DistributionFactory.java:122)
    at org.gradle.tooling.internal.consumer.DistributionFactory$ZippedDistribution$1.call(DistributionFactory.java:116)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.RuntimeException: Unexpected error: java.security.InvalidAlgorithmParameterException: the trustAnchors parameter must be non-empty
    at sun.security.validator.PKIXValidator.<init>(PKIXValidator.java:90)
    at sun.security.validator.Validator.getInstance(Validator.java:179)
    at sun.security.ssl.X509TrustManagerImpl.getValidator(X509TrustManagerImpl.java:312)
    at sun.security.ssl.X509TrustManagerImpl.checkTrustedInit(X509TrustManagerImpl.java:171)
    at sun.security.ssl.X509TrustManagerImpl.checkTrusted(X509TrustManagerImpl.java:184)
    at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(X509TrustManagerImpl.java:124)
    at sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1491)
    at sun.security.ssl.ClientHandshaker.processMessage(ClientHandshaker.java:216)
    at sun.security.ssl.Handshaker.processLoop(Handshaker.java:979)
    at sun.security.ssl.Handshaker.process_record(Handshaker.java:914)
    at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:1062)
    at sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1375)
    at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1403)
    ... 19 more
Caused by: java.security.InvalidAlgorithmParameterException: the trustAnchors parameter must be non-empty
    at java.security.cert.PKIXParameters.setTrustAnchors(PKIXParameters.java:200)
    at java.security.cert.PKIXParameters.<init>(PKIXParameters.java:120)
    at java.security.cert.PKIXBuilderParameters.<init>(PKIXBuilderParameters.java:104)
    at sun.security.validator.PKIXValidator.<init>(PKIXValidator.java:88)
    ... 31 more

另请注意，我在创建Maven项目时遇到了类似的错误。关于它的谷歌搜索，我猜它与关键
有关

Answer 1

此问题是由于ca-certificates-java中存在的问题，并且发现存在于完全更新的Ubuntu 15.10中。经过一个小时的谷歌搜索后，我在launchpad page

中找到了解决方案

我终于通过以下命令解决了这个问题：

sudo /var/lib/dpkg/info/ca-certificates-java.postinst configure

Answer 2

在我的情况下，问题是由于代理（由我的公司使用）引起的，然后我切换到VPN，它就可以正常工作。

加载Gradle项目预览失败

2 个答案: