8348986: Improve coverage of enhanced exception messages

[alexeybakhtin]

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I'd like to backport JDK-8348986 to control sensitive information in Exception messages.

Backport from https://github.com/openjdk/jdk21u-dev/pull/2132 is not clean. The following changes were applied manually:

• src/java.base/share/classes/sun/nio/ch/DatagramSocketAdaptor.java
  • copyright year
• src/java.base/share/classes/sun/nio/ch/NioSocketImpl.java
  • Throwing IOException from the connect() method is updated manually because of a context difference
• src/java.base/share/classes/module-info.java
  • exports sun.security.util updated manually
• src/java.base/share/classes/java/net/Inet4AddressImpl.java
  • changes discarded. JDK17 does not have JDK-8244202 and related changes : lookupAllHostAddr(String hostname, LookupPolicy lookupPolicy)
• src/java.base/share/classes/java/net/InetAddress.java
  • throwing UnknownHostException from NameServiceAddresses::get is updated manually because of context differences
  • import section
  • no CachecdLookup and ValidCachedLookup classes in JDK17. changes discarded
• src/java.base/share/classes/java/net/Proxy.java
  • copyright year
• src/java.base/share/classes/java/net/SocketPermission.java
  • copyright year
• src/java.base/share/classes/java/net/SocksSocketImpl.java
  • copyright year
• src/java.base/share/classes/java/net/URI.java
  • import section
• src/java.base/share/classes/java/net/URL.java
  • copyright year
• src/java.base/share/classes/java/net/URLStreamHandler.java
  • copyright year
• src/java.base/share/classes/sun/net/www/protocol/jar/Handler.java
  • copyright year
• src/java.base/windows/native/libnet/Inet4AddressImpl.c
  • copyright year
• src/java.base/windows/native/libnet/Inet6AddressImpl.c
  • copyright year
• src/java.base/share/native/libnet/net_util.h
  • copyright year
  • getEnhancedExceptionsAllowed() declaration added manually because of context difference
• src/java.naming/share/classes/com/sun/jndi/toolkit/url/Uri.java
  • parseCompat method is updated manually because of context differences
• src/java.base/windows/classes/sun/nio/ch/WindowsAsynchronousSocketChannelImpl.java
  • copyright year
• src/java.base/windows/classes/sun/nio/fs/WindowsUserPrincipals.java
  • copyright year
  • lookup method is updated manually because of context differences
• src/jdk.httpserver/share/classes/sun/net/httpserver/simpleserver/JWebServer.java
  • no such class in JDK17

Modified and related JTREG tests are passed

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Progress

• [ ] Change must be properly reviewed (1 review required, with at least 1 Reviewer)
• [ ] JDK-8348986 needs maintainer approval
• [x] Change must not contain extraneous whitespace
• [x] Commit message must refer to an issue
• [x] Change requires CSR request JDK-8366459 to be approved

Issues

• JDK-8348986: Improve coverage of enhanced exception messages (Enhancement - P3)
• JDK-8366459: Improve coverage of enhanced exception messages (CSR)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk17u-dev.git pull/3989/head:pull/3989
$ git checkout pull/3989

Update a local copy of the PR:
$ git checkout pull/3989
$ git pull https://git.openjdk.org/jdk17u-dev.git pull/3989/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 3989

View PR using the GUI difftool:
$ git pr show -t 3989

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk17u-dev/pull/3989.diff

Using Webrev

Link to Webrev Comment