在Spring Tool Suite中创建Spring启动项目时的java.net.SocketException

Question

创建spring starter项目时，我面临java.net.SocketException。项目详情如下图所示：

但是当我点击完成按钮时，我得到以下错误弹出窗口：

我检查了错误日志，发现了详细错误：

java.lang.reflect.InvocationTargetException
    at org.springframework.ide.eclipse.boot.wizard.importing.MavenStrategy$MavenCodeSetImport.run(MavenStrategy.java:90)
    at org.springframework.ide.eclipse.boot.wizard.NewSpringBootWizardModel.performFinish(NewSpringBootWizardModel.java:354)
    at org.springframework.ide.eclipse.boot.wizard.NewSpringBootWizard$1.run(NewSpringBootWizard.java:227)
    at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
Caused by: java.net.SocketException: Connection reset
    at java.net.SocketInputStream.read(SocketInputStream.java:210)
    at java.net.SocketInputStream.read(SocketInputStream.java:141)
    at java.io.BufferedInputStream.fill(BufferedInputStream.java:246)
    at java.io.BufferedInputStream.read1(BufferedInputStream.java:286)
    at java.io.BufferedInputStream.read(BufferedInputStream.java:345)
    at sun.net.www.MeteredStream.read(MeteredStream.java:134)
    at java.io.FilterInputStream.read(FilterInputStream.java:133)
    at sun.net.www.protocol.http.HttpURLConnection$HttpInputStream.read(HttpURLConnection.java:3375)
    at sun.net.www.protocol.http.HttpURLConnection$HttpInputStream.read(HttpURLConnection.java:3368)
    at org.springsource.ide.eclipse.commons.frameworks.core.util.IOUtil.pipe(IOUtil.java:51)
    at org.springsource.ide.eclipse.commons.frameworks.core.downloadmanager.SimpleDownloadService.fetch(SimpleDownloadService.java:58)
    at org.springsource.ide.eclipse.commons.frameworks.core.downloadmanager.DownloadManager.downloadFile(DownloadManager.java:143)
    at org.springsource.ide.eclipse.commons.frameworks.core.downloadmanager.DownloadManager.doWithDownload(DownloadManager.java:194)
    at org.springsource.ide.eclipse.commons.frameworks.core.downloadmanager.DownloadableItem.getFile(DownloadableItem.java:65)
    at org.springframework.ide.eclipse.boot.wizard.content.ZipFileCodeSet.each(ZipFileCodeSet.java:135)
    at org.springframework.ide.eclipse.boot.wizard.content.CodeSet.createAt(CodeSet.java:168)
    at org.springframework.ide.eclipse.boot.wizard.importing.MavenStrategy$MavenCodeSetImport.run(MavenStrategy.java:77)
    ... 3 more
Root exception:
java.net.SocketException: Connection reset
    at java.net.SocketInputStream.read(SocketInputStream.java:210)
    at java.net.SocketInputStream.read(SocketInputStream.java:141)
    at java.io.BufferedInputStream.fill(BufferedInputStream.java:246)
    at java.io.BufferedInputStream.read1(BufferedInputStream.java:286)
    at java.io.BufferedInputStream.read(BufferedInputStream.java:345)
    at sun.net.www.MeteredStream.read(MeteredStream.java:134)
    at java.io.FilterInputStream.read(FilterInputStream.java:133)
    at sun.net.www.protocol.http.HttpURLConnection$HttpInputStream.read(HttpURLConnection.java:3375)
    at sun.net.www.protocol.http.HttpURLConnection$HttpInputStream.read(HttpURLConnection.java:3368)
    at org.springsource.ide.eclipse.commons.frameworks.core.util.IOUtil.pipe(IOUtil.java:51)
    at org.springsource.ide.eclipse.commons.frameworks.core.downloadmanager.SimpleDownloadService.fetch(SimpleDownloadService.java:58)
    at org.springsource.ide.eclipse.commons.frameworks.core.downloadmanager.DownloadManager.downloadFile(DownloadManager.java:143)
    at org.springsource.ide.eclipse.commons.frameworks.core.downloadmanager.DownloadManager.doWithDownload(DownloadManager.java:194)
    at org.springsource.ide.eclipse.commons.frameworks.core.downloadmanager.DownloadableItem.getFile(DownloadableItem.java:65)
    at org.springframework.ide.eclipse.boot.wizard.content.ZipFileCodeSet.each(ZipFileCodeSet.java:135)
    at org.springframework.ide.eclipse.boot.wizard.content.CodeSet.createAt(CodeSet.java:168)
    at org.springframework.ide.eclipse.boot.wizard.importing.MavenStrategy$MavenCodeSetImport.run(MavenStrategy.java:77)
    at org.springframework.ide.eclipse.boot.wizard.NewSpringBootWizardModel.performFinish(NewSpringBootWizardModel.java:354)
    at org.springframework.ide.eclipse.boot.wizard.NewSpringBootWizard$1.run(NewSpringBootWizard.java:227)
    at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)

有人可以解释为什么我收到此错误。几天前也是如此。

Answer 1

我遇到了类似的问题，但是不同之处在于，我使用的是带有https的网址，例如https://start.spring.io/，这会导致相同的错误。

我在浏览器中尝试了该URL，并能够访问Spring Starter。

当我在Eclipse中将URL更改为类似http://start.spring.io/的http时，它开始工作，并且我也可以创建所需的Project。