连接到 Cloud SQL (Mysql) 时 Google Cloud 函数出现间歇性异常

Question

Failed to update metadata for Cloud SQL instance.
at com.google.cloud.sql.core.CloudSqlInstance.addExceptionContext (CloudSqlInstance.java:455)
at com.google.cloud.sql.core.CloudSqlInstance.fetchMetadata (CloudSqlInstance.java:322)
at com.google.common.util.concurrent.TrustedListenableFutureTask$TrustedFutureInterruptibleTask.runInterruptibly (TrustedListenableFutureTask.java:125)
at com.google.common.util.concurrent.InterruptibleTask.run (InterruptibleTask.java:69)
at com.google.common.util.concurrent.TrustedListenableFutureTask.run (TrustedListenableFutureTask.java:78)
at java.util.concurrent.Executors$RunnableAdapter.call (Executors.java:515)
at java.util.concurrent.FutureTask.run (FutureTask.java:264)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run (ScheduledThreadPoolExecutor.java:304)
at java.util.concurrent.ThreadPoolExecutor.runWorker (ThreadPoolExecutor.java:1128)
at java.util.concurrent.ThreadPoolExecutor$Worker.run (ThreadPoolExecutor.java:628)
at java.lang.Thread.run (Thread.java:834)
Caused by: javax.net.ssl.SSLException: readHandshakeRecord
at sun.security.ssl.SSLSocketImpl.readHandshakeRecord (SSLSocketImpl.java:1320)
at sun.security.ssl.SSLSocketImpl.startHandshake (SSLSocketImpl.java:440)
at sun.security.ssl.SSLSocketImpl.startHandshake (SSLSocketImpl.java:411)
at sun.net.www.protocol.https.HttpsClient.afterConnect (HttpsClient.java:567)
at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect (AbstractDelegateHttpsURLConnection.java:185)
at sun.net.www.protocol.https.HttpsURLConnectionImpl.connect (HttpsURLConnectionImpl.java:168)
at com.google.api.client.http.javanet.NetHttpRequest.execute (NetHttpRequest.java:148)
at com.google.api.client.http.javanet.NetHttpRequest.execute (NetHttpRequest.java:84)
at com.google.api.client.http.HttpRequest.execute (HttpRequest.java:1012)
at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.executeUnparsed (AbstractGoogleClientRequest.java:549)

另一个

Failed to create ephemeral certificate for the Cloud SQL instance. at com.google.cloud.sql.core.CloudSqlInstance.addExceptionContext(CloudSqlInstance.java:455) at 
com.google.cloud.sql.core.CloudSqlInstance.fetchEphemeralCertificate(CloudSqlInstance.java:341) at 
com.google.cloud.sql.core.CloudSqlInstance.lambda$performRefresh$0(CloudSqlInstance.java:204) at 
com.google.common.util.concurrent.TrustedListenableFutureTask$TrustedFutureInterruptibleTask.runInterruptibly(TrustedListenableFutureTask.java:125) at 
com.google.common.util.concurrent.InterruptibleTask.run(InterruptibleTask.java:69) at 
com.google.common.util.concurrent.TrustedListenableFutureTask.run(TrustedListenableFutureTask.java:78) 
at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) 
at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) 
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) 
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) 
at java.base/java.lang.Thread.run(Thread.java:834) 
Caused by: javax.net.ssl.SSLException: readHandshakeRecord 
at java.base/sun.security.ssl.SSLSocketImpl.readHandshakeRecord(SSLSocketImpl.java:1320) 
at java.base/sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:440) at java.base/sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:411) 
at java.base/sun.net.www.protocol.https.HttpsClient.afterConnect(HttpsClient.java:567) 
at java.base/sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:185) 
at java.base/sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1367) 
at java.base/sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1342) 
at java.base/sun.net.www.protocol.https.HttpsURLConnectionImpl.getOutputStream(HttpsURLConnectionImpl.java:246) 
at com.google.api.client.http.javanet.NetHttpRequest.execute(NetHttpRequest.java:113) 
at com.google.api.client.http.javanet.NetHttpRequest.execute(NetHttpRequest.java:84) 
at com.google.api.client.http.HttpRequest.execute(HttpRequest.java:1012) 
at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.executeUnparsed(AbstractGoogleClientRequest.java:549) 
at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.executeUnparsed(AbstractGoogleClientRequest.java:482) 
at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.execute(AbstractGoogleClientRequest.java:599) 
at com.google.cloud.sql.core.CloudSqlInstance.fetchEphemeralCertificate(CloudSqlInstance.java:339) ... 10 more Suppressed: java.net.SocketException: Broken pipe (Write failed) at java.base/java.net.SocketOutputStream.socketWrite0(Native Method) at java.base/java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:110) at java.base/java.net.SocketOutputStream.write(SocketOutputStream.java:150) at java.base/sun.security.ssl.SSLSocketOutputRecord.encodeAlert(SSLSocketOutputRecord.java:81) at

从我的云函数访问 cloudsql(mysql) 时出现此异常

我正在使用 com.zaxxer.hikari.* 包进行连接池和管理。已阅读其中一篇文章中可以忽略这些异常，因为这些异常是在重试时创建的，但是它们太频繁了，我们可能无法知道最终用户体验以及是否可以忽略这些异常。

请求您的帮助