在IDE外部运行时，HttpClient .send()抛出IOException
在IDE外部运行时，HttpClient .send()抛出IOException
提问于 2022-05-28 12:43:14
我试着通过HttpClient获得一个Github的最新发布标签。
该计划是将请求发送到github.com/user/存储库/releases/ redirect，并获得重定向的uri以确定最新的发布标记。
当程序在我的IDE中运行时，一切正常。但是出于某些原因，当程序被jlinked + jpackaged时会抛出一个IOException。
我已经试着把它作为管理员运行，以排除这一点。
我的代码：
private static String latestVersionTag() {
HttpClient client = HttpClient.newBuilder().followRedirects(HttpClient.Redirect.NORMAL).build();
HttpRequest request = HttpRequest
.newBuilder(URI.create("https://github.com/{placeholderUser}/{placeholderRepo}/releases/latest"))
.timeout(Duration.ofSeconds(5))
.build();
try {
HttpResponse<InputStream> response = client.send(request, HttpResponse.BodyHandlers.ofInputStream());
String path = response.uri().getPath();
return path.substring(path.lastIndexOf('/') + 1);
} catch (IOException | InterruptedException e) {
return null;
}
}编辑:我在没有打包的情况下运行了jlinked映像以获得堆栈跟踪(之前没有想到这一点，对不起)
javax.net.ssl.SSLHandshakeException: Received fatal alert: handshake_failure
at java.net.http/jdk.internal.net.http.HttpClientImpl.send(HttpClientImpl.java:576)
at java.net.http/jdk.internal.net.http.HttpClientFacade.send(HttpClientFacade.java:123)
at launchofexile/com.github.cptblacksheep.launchofexile.UpdateChecker.latestVersionTag(UpdateChecker.java:76)
at launchofexile/com.github.cptblacksheep.launchofexile.UpdateChecker.checkForNewVersion(UpdateChecker.java:35)
at launchofexile/com.github.cptblacksheep.launchofexile.UpdateChecker.startupCheckForNewVersion(UpdateChecker.java:28)
at launchofexile/com.github.cptblacksheep.launchofexile.LaunchOfExileMain.initialize(LaunchOfExileMain.java:285)
at launchofexile/com.github.cptblacksheep.launchofexile.LaunchOfExileMain.main(LaunchOfExileMain.java:475)
Caused by: javax.net.ssl.SSLHandshakeException: Received fatal alert: handshake_failure
at java.base/sun.security.ssl.Alert.createSSLException(Alert.java:131)
at java.base/sun.security.ssl.Alert.createSSLException(Alert.java:117)
at java.base/sun.security.ssl.TransportContext.fatal(TransportContext.java:358)
at java.base/sun.security.ssl.Alert$AlertConsumer.consume(Alert.java:293)
at java.base/sun.security.ssl.TransportContext.dispatch(TransportContext.java:204)
at java.base/sun.security.ssl.SSLTransport.decode(SSLTransport.java:172)
at java.base/sun.security.ssl.SSLEngineImpl.decode(SSLEngineImpl.java:736)
at java.base/sun.security.ssl.SSLEngineImpl.readRecord(SSLEngineImpl.java:691)
at java.base/sun.security.ssl.SSLEngineImpl.unwrap(SSLEngineImpl.java:506)
at java.base/sun.security.ssl.SSLEngineImpl.unwrap(SSLEngineImpl.java:482)
at java.base/javax.net.ssl.SSLEngine.unwrap(SSLEngine.java:679)
at java.net.http/jdk.internal.net.http.common.SSLFlowDelegate$Reader.unwrapBuffer(SSLFlowDelegate.java:529)
at java.net.http/jdk.internal.net.http.common.SSLFlowDelegate$Reader.processData(SSLFlowDelegate.java:433)
at java.net.http/jdk.internal.net.http.common.SSLFlowDelegate$Reader$ReaderDownstreamPusher.run(SSLFlowDelegate.java:268)
at java.net.http/jdk.internal.net.http.common.SequentialScheduler$LockingRestartableTask.run(SequentialScheduler.java:205)
at java.net.http/jdk.internal.net.http.common.SequentialScheduler$CompleteRestartableTask.run(SequentialScheduler.java:149)
at java.net.http/jdk.internal.net.http.common.SequentialScheduler$SchedulableTask.run(SequentialScheduler.java:230)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
at java.base/java.lang.Thread.run(Thread.java:833)回答 1
Stack Overflow用户
回答已采纳
发布于 2022-05-28 15:15:29
握手失败是因为您的自定义运行时映像缺少必要的加密模块。增加：
--add-modules jdk.crypto.cryptoki,jdk.crypto.ec当运行时，jlink应该修复这个问题。
我不确定您是否绝对需要这两个模块，或者如果您不需要这两个模块，那么这两个模块中的哪个模块是必需的。它们中的一个也可能是requires另一个，导致另一个被隐式地拉进来。
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原文链接：
https://stackoverflow.com/questions/72415805
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