Explanation for issue #3748
We explain what happens with HTTP Basic Authentication for proxies with Oracle JDK > 8u111.
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+//
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements. See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership. The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License. You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied. See the License for the
+// specific language governing permissions and limitations
+// under the License.
+//
+
+= HTTP Proxy Basic Authentication
+:jbake-type: wiki
+:jbake-tags: wiki, devfaq, needsreview
+:jbake-status: published
+:syntax: true
+:description: APITest SIGTest NetBeans
+:icons: font
+:source-highlighter: pygments
+:toc: left
+:toc-title:
+:experimental:
+
+JDK 8u111 link:https://www.oracle.com/java/technologies/javase/8u111-relnotes.html[disabled Basic authentication for HTTPS tunneling],
+this means that if you use a network proxy with Apache NetBeans and this proxy is using Basic authentication you won't be able to
+access HTTPS based servers.
+
+As a workaround for this JDK feature, you can add the option
+
+[source]
+----
+-Djdk.http.auth.tunneling.disabledSchemes=""
+----
+
+to the Apache NetBeans `etc/netbeans.conf` configuration file, in the `netbeans_default_options` entry, like so:
+
+[source]
+----
+netbeans_default_options="-J-XX:+UseStringDeduplication -J-Xss2m -J-Djdk.http.auth.tunneling.disabledSchemes=\"\" -J-Dapple.laf.useScreenMenuBar=true (...)
+----
+
+NOTE: We don't want to set this as a default options because it may pose a security problem.
+
+NOTE: This was reported as link:https://github.com/apache/netbeans/issues/3748[issue #3748] in github.
+
+
+
+