junixsocket

• Fix compatibility with Java 7
• Fix error handling for non-blocking operations on Windows
• Fix interoperability of junixsocket-mysql and GraalVM native-image
• Fix socket-closed state upon exceptions indicating a closed socket descriptor
• Fix exceptions for channels: Throw ClosedChannelException instead of SocketClosedException, etc.
• Fix a flaky selftest when VSOCK is not supported
• Improve compatibility and performance with Virtual Threads in Java 21 or newer (JEP 444)
• Improve interopability with Java 15 UnixDomainSocketAddress and StandardProtocolFamily.UNIX
• Improve selftest stability and logging, more tests
• Add support for ServerSocketChannel.bind(null) for AF_UNIX socket addresses.
• Add more tests for mysql interoperability, optionally include mysql tests in selftest
• Add NotConnectedSocketException, NotBoundSocketException
• Building now requires Java 21, Maven 3.8.8 or newer
• Update build-time dependencies
• Code cleanup

• Fix ignored timeouts for Mysql-specific AFUNIXDatabaseSocketFactoryCJ
• Fix GraalVM configuration, support AFUNIXSocketFactory for native-image
• Fix compatibility with jetty 12.0.7
• Fix unnecessary failures in some tests, error handling in selftest
• Improve SocketException handling (throw SocketClosedException subclass upon accept error)
• Make native library code compile on Minix
• Add availability check of abstract namespace on emulated Linux environments (BSD)
• Add junixsocket-demo-jpackagejlink artifact to show how to use jpackage/jlink with junixsocket
• Update crossclang scripts, fix compatibility with Xcode 15.3
• Code cleanup

• Add generic socket fallback for FileDescriptors received from other processes
• Add "dup"/"dup2" support via FileDescriptorCast.duplicating
• Add listen/accept support to AFDatagramSocket, so we can serve SEQPACKETs
• Add more SocketException subclasses (such as BrokenPipe-/ConnectionResetSocketException)
• Add support to make shutdown-upon-close configurable
• Add support for undocumented "ECLOSED" (errno 3417) condition on IBM i PASE
• Add test for the "close-during-accept" condition
• Fix native library loading for AIX/IBM i on Java 15 and newer
• Fix blocking state when using FileDescriptorCast
• Fix module-info.java: Don't mark requirements transient (annotations, mysql connector)
• Fix TIPC tests on some old environments (which didn't time out)
• Fix compilation for z/OS 32-bit
• Fix AFServerSocketChannel.getLocalAddress to return AFSocketAddress subclass
• Fix unnecessary failures in some tests, error handling in selftest
• Fix "force override" path parsing for native library on Windows
• Update build/plugin/test/demo dependencies
• Update crossclang scripts; no longer requires root to install Xcode components
• Improve error handling on broken Java VMs (e.g., IBM Semeru 8.0.7 and older)
• Improve demo code, use slf4j-simple for logging
• Code cleanup

Backwards-incompatible change: Some AFSocket classes are now final or no longer declare constructor exceptions.

• Fix concurrency issue with AFSocketServerConnector, AFSelectionKey; take two
• Fix regression introduced in 2.8.2 that leaked FileDescriptors
• Reduce allocation overhead during select

Fix concurrency issue with AFSocketServerConnector, AFSelectionKey

• Fix UnsatisfiedLinkError with noexec temporary directory on RHEL 9 and others

• Java 7 support is back! (junixsocket-common only, as it was before version 2.5.0)
• Fix AFSocket shutdown to ignore InvalidSocketException upon setTimeout
• Fix two potential hangs in selftest
• Fix loading of the native library when running under macOS Rosetta 2
• Fix a potential exception when trying to serialize an AFRMISocketFactory
• Fix a potential race condition when working with native addresses
• Fix a potential crash in TIPC code when compiling the native library against an old Linux SDK
• Improve AFSocketServer, add new methods
• Improve crossclang to support Xcode 15
• Enable RMI support for GraalVM native-image; selftest now passes without issues
• Add junixsocket-ssl, to simplify securing junixsocket connections
• Requires Java 17 to build (and JDK 8 if Java 7 support is desired); build instructions have changed

• Fix SelectionKey logic (regression introduced in 2.7.1)
• Fix selftest-android dependency (some tests would always fail)
• Improve AFSocketAddress creation, skip DNS resolution on Android
• Add demo code for interacting with Apache Mina and Netty
• Code cleanup

• Fix openDatagramChannelPair (was using STREAM instead of DGRAM), add AFSocketType support
• Fix availability of AF_SYSTEM capability on Darwin
• Improve exception handling for "EPROTOTYPE" error on z/OS
• Improve SelectionKey logic, reduce locking/GC overhead
• Improve "unsupported operation" handling in native code
• Improve handling of "test aborted, but not really an issue"
• Add unit tests for Jetty 12
• Code cleanup, update dependencies

Users of junixsocket are strongly advised to upgrade to this version

• New supported platform (out of the box): Android (aarch64, arm-linux-androideabi, x86_64, i686)
• New platforms that can be used when building the native library from source: Haiku, IBM z/TPF
• Add selftest GUI app for Android (“junixsocket-selftest-android”)
• Add ability to get native file descriptor number via FileDescriptorCast
• Add AFSocketCapability for “large port numbers” (larger than 65535)
• Add support to convert UnixDomainSocketAddress to AFUNIXSocketAddress (Java 16+)
• Add support for AF_SYSTEM (macOS), which allows creating your own VPN via utun, for example.
• Add initial support for SOCK_SEQPACKET/SOCK_RDM/SOCK_RAW
• Fix potential data corruption when sending non-direct ByteBuffers larger than 8192 bytes
• Fix potential data corruption when receiving non-direct ByteBuffers with non-zero position
• Fix intermittent hangs when sending datagrams on macOS, BSD
• Fix “org.eclipse.jdt.annotation” JPMS module: no longer required at runtime
• Fix Exception messages from native code being empty in some Linux environments
• Fix selftest failing for vsock in some Linux environments
• Improve JNI library lookup; load from user.home/user.dir if tmpfs is mounted with noexec
• Improve concurrency performance for RMI over Unix domain sockets
• Improve reliability on exotic environments
• Update dependencies, improve tests, selftest, build scripts
• Require Java 16 to build (still supports running on Java 8 and newer)
• Last but not least: junixsocket finally has a logo!

• Add socket connectors for AF_VSOCK, Firecracker
• Add mayStopServerForce to AFSocketServerConnector
• Fix false-positive selftest failure on slow machines
• Fix potential hang in send
• Fix support for TIPC/VSOCK when building GraalVM native images
• Fix serialization of AFSocketAddresses
• Update dependencies, especially use the new mysql.connector.j

• Add AFSocket.checkConnectionClosed to probe connection status
• Fix connection status checks and error handling
• Fix bind behavior on Windows, support re-bind with reuseAddress
• Fix and improve unit tests/selftests, remove several false-positive errors found in the wild (Azure Cloudshell/Microsoft CBL-Mariner 2.0, Amazon EC2, OpenBSD, etc.)
• Fix SimpleTestServer demo, actually counting now to 5, not 6.
• Make builds reproducible, align timestamps with git commit

NOTE: If you're seeing unexpected errors in selftest, please verify with the attached junixsocket-selftest-2.6.1-hotpatch-jar-with-dependencies.jar. There may be false-positive socket timeout issues on very slow machines (e.g., qemu s390).

• Add support for GraalVM native-image
• Add support for native-image selftest
• Add support for AF_VSOCK (on Linux, and some macOS VMs)
• Reintroduce deprecated legacy constructors for AFUNIXSocketAddress that were removed in 2.5.0.
• Parent POM has been renamed from junixsocket-parent to junixsocket

• Fix address handling in the Abstract Namespace
• Fix support for very large datagrams (> 1MB)
• Fix InetAddress-wrapping of long addresses
• Update Xcode support script, crossclang
• Bump postgresql version in demo code
• Fix dependency for custom architecture artifact

• Add support for IBM z/OS (experimental, binary not included)
• Add support for building from source on arm64-Linux
• Add junixsocket support for jetty via junixsocket-jetty
• Fix Selector logic (more bug fixes)
• Documentation updates

• New supported platforms: AIX 7 Power64, IBM i Power64, Windows ARM64, Windows Server 2019 & 2022
• Generic rework to support more than just Unix Domain sockets
• Add support for AF_TIPC (on Linux)
• Add support for using sockets passed as standard input
• Add support for address-specific, non-standard URIs (for example
  unix:// and tipc://), as well as socat addresses
• Add support for using FileDescriptor for ProcessBuilder Redirects (Java 9+)
• Add support for peer credentials (PID) on Windows
• Fix Selector logic
• Fix cross-compilation on Apple Silicon
• Fix a file descriptor leak (regression in 2.4.0)
• Improve behavior on partially unsupported platforms and allow loading of Windows 10 native
  library on other Windows versions (e.g., Windows Server 2022, Windows 8.1).
• Javadoc improvements, Code cleanup
• Deprecate AFUNIXSocketCapability in favor of AFSocketCapability
• Drop support for Java 7

• New supported platforms: NetBSD, OpenBSD, DragonFlyBSD (AMD64-builds included by default)
• Add support for Datagram sockets
• Add support for non-blocking I/O, Java NIO SocketChannel, DatagramChannel, ByteBuffer, Selector, Pipe, etc.
• Add support for socketpair (with IP-based emulation on Windows)
• Add support for casting FileDescriptors to Socket, etc.
• Add support for Peer Credentials on Solaris/Illumos
• Improved creation and reuse of AFUNIXSocketAddress instances
• Add basic support to wrap an AFUNIXSocketAddress as an InetAddress
• Add fast-path for single-byte read/write
• Significant internal code refactoring and cleanup (both Java and native C code)
• AFUNIXRegistry lookup can now take a timeout parameter (to coordinate between starting processes)
• Replaced the "finalize" logic with a custom Cleaner for Java 9 and above
• Fixed compatibility issue with OkHttpClient, add demo code
• Fixed a race condition when connecting to a registry that's just starting up.
• More test cases, increased unit test code coverage
• Simplified local compilation on non-macOS/Linux systems.
• Improved selftest

Fix bind/stat on glibc-based Linux on aarch64 and RISC-V (regression from 2.3.2)

• Add support for aarch64 on Apple Silicon Macs
• Improved throughput by up to 40% by removing some JNI overhead (now on par with JEP380)
• Fix “undefined symbol: stat” error on older Linux machines
• Fix self-test on Windows; add more system information to selftest
• Fix LICENSE/NOTICE files (no license change, just reorganization)
• Fix build issues with RISC-V (use LLVM 9)
• Fix build issues on macOS
• Improve handling of ancillary receive buffers
• Add a new system property to control what happens when the library override fails to load
• Add an Xcode project to simplify cross-compilation; improved crossclang