Lazy synchronized SSL Context initialization in the HttpUrlConnector
Signed-off-by: jansupol <jan.supol@oracle.com>
diff --git a/core-client/src/main/java/org/glassfish/jersey/client/internal/HttpUrlConnector.java b/core-client/src/main/java/org/glassfish/jersey/client/internal/HttpUrlConnector.java
index 72bceec..21456b9 100644
--- a/core-client/src/main/java/org/glassfish/jersey/client/internal/HttpUrlConnector.java
+++ b/core-client/src/main/java/org/glassfish/jersey/client/internal/HttpUrlConnector.java
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2011, 2020 Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2021 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
@@ -73,7 +73,8 @@
private static final String ALLOW_RESTRICTED_HEADERS_SYSTEM_PROPERTY = "sun.net.http.allowRestrictedHeaders";
// Avoid multi-thread uses of HttpsURLConnection.getDefaultSSLSocketFactory() because it does not implement a
// proper lazy-initialization. See https://github.com/jersey/jersey/issues/3293
- private static final SSLSocketFactory DEFAULT_SSL_SOCKET_FACTORY = HttpsURLConnection.getDefaultSSLSocketFactory();
+ private static final LazyValue<SSLSocketFactory> DEFAULT_SSL_SOCKET_FACTORY =
+ Values.lazy((Value<SSLSocketFactory>) () -> HttpsURLConnection.getDefaultSSLSocketFactory());
// The list of restricted headers is extracted from sun.net.www.protocol.http.HttpURLConnection
private static final String[] restrictedHeaders = {
"Access-Control-Request-Headers",
@@ -305,7 +306,7 @@
suc.setHostnameVerifier(verifier);
}
- if (DEFAULT_SSL_SOCKET_FACTORY == suc.getSSLSocketFactory()) {
+ if (DEFAULT_SSL_SOCKET_FACTORY.get() == suc.getSSLSocketFactory()) {
// indicates that the custom socket factory was not set
suc.setSSLSocketFactory(sslSocketFactory.get());
}