CHANGES

* 0.157

- Fix Kerberos SPNEGO handling in HTTP client.

* 0.156

- Add HTTP client selector thread count config.
- Always ask for client certificates in HTTP server.
- Decrease discovery refresh wait time at startup.
- Remove workaround for Jetty client Kerberos realm bug.
- Add security module with support for reading and writing PEM files and
  creating certificate signing requests.

* 0.155

- Remove LifeCycleManager shutdown hook when stop() is called.

* 0.154

- Upgrade to Airbase 74.
- Buffer log messages to improve throughput.

* 0.153

- Downgrade to Jetty 9.4.6.v20170531.

* 0.152

- Upgrade to Airbase 72.
- Add config for HTTP client timeout executor concurrency.

* 0.151

- Upgrade to Airbase 71.
- Upgrade to Jersey 2.26.
- Add instance sizes to HyperLogLog and SparseHll.
- Support SSL KeyManager password for HTTP server.

* 0.150

- Upgrade to Airbase 68.
- Upgrade to Jetty 9.4.7.v20170914.
- Prevent "Address already in use" for HTTP server.
- Remove @Inject from Logger.
- Add HTTP/2 input buffer size config.
- Add support for monitoring the Jetty client shared thread pool.
- Ensure Jetty client request doesn't live past synchronous return.
- Enable detailed dumps for Jetty thread pools, which will help getting
  more information when debugging with the JMX dump operation.
- Add support for PostgreSQL in dbpool.
- Delete FileUtils from testing module.
- Make HttpClientModule non-public.
- Cleanup dependencies for various modules.
- Skip duplicate rows when printing configuration in Bootstrap.
- Support generalized suffix in Java version strings.

* 0.149

- Upgrade to Jetty 9.4.6.v20170531
- Fix UnknownFormatConversionException for config errors.
- Allow specifying etc directory for launcher.

* 0.148

- Add @ConfigSecuritySensitive annotation to prevent printing config values.

* 0.147

- Upgrade to Airbase 63
- Upgrade to Guava 21.0
- Add TestingHttpClient.Processor implementation that delegates to JAX-RS resource.

* 0.146

- Allow configuring secure random algorithm for HTTP client and server.

* 0.145

- Skip empty Optional fields in JSON serialization.
- Remove usage of deprecated APIs for all dependencies.

* 0.144

- Use JsonMapperParsingException in SmileMapper.
- Bean Validation is no longer performed for JAX-RS request objects.

* 0.143

- Deprecate usages of CompletableFuture or replace with ListenableFuture,
  which is easier to use and less error prone.
- Add MoreFutures methods for ListenableFuture.
- Replace RuntimeIOException with UncheckedIOException in HTTP client.
- Fix sporadic failure due to thread-safety when performing Bean Validation.
- Support using java.time.Instant for event client.
- Validate scheme for HTTP client Request objects.

* 0.142

- Improve performance of QuantileDigest copy constructor, which
  could cause contention in Distribution's copy constructor.

* 0.141

- Fix thread-safety issue in Distribution copy constructor.

* 0.140

- Fix rare bug when inserting into Sparse HLL that could result
  in corruption.
- Improve performance and memory utilization for QuantileDigest.
- Improve performance when generating trace tokens.
- Add BasicAuthRequestFilter for HttpClient to pre-authenticate
  requests with basic authentication.
- Add bindConfigGlobalDefaults to ConfigBinder to customize
  defaults for bound config objects.
- Buffer HTTP responses in chunks to avoid allocating big byte arrays.
- Update QuantileDigest serialization to take and produce Slice objects.

* 0.139

- Upgrade to Jetty 9.3.13.M0
- Make jmxutils dependency optional for concurrent
- Add TempFile for use with try-with-resources
- Add unwrapCompletionException to MoreFutures
- Fix incorrect bucket computation in PauseMeter

* 0.138

- Add toJsonWithLengthLimit to JsonCodec
- Fix version check in JMX module to work with -ea Java versions
- Move type name to end of JsonCodec error message
- Add brackets around JSON in HTTP client response handler error messages
- Add utility to measure JVM and OS pauses

* 0.137

- Set ThreadContextClassLoader to null when loading bval

* 0.136

- Revert Jetty to 9.3.9.M1

* 0.135

- Add ThreadLocalCache
- Upgrade to Jackson 2.8.1
- Extract units to a standalone project
- Prevent self-supression in Closeables

* 0.134

- Add ConditionalModule
- Alternative JMX agent implementation for Java 8 vs 9

* 0.133

- Fix issue with IntelliJ mishandling of system-scoped dependencies

* 0.132

- Upgrade Jetty to 9.3.11.v20160721

* 0.131

- Statically configure logging for Jetty HTTP client

* 0.130

- Move Jetty and Jersey dependencies from Airbase
- Add getField method to EventTypeMetadata

* 0.129

- Add CpuTimer to stats
- Add FileBodyGenerator for HTTP client
- Add TrustStore configuration for HTTP client
- Expose EventTypeMetadata and EventFieldMetadata classes
- Remove requirement that nested event classes have no name
- Ignore EOFException (caused by client disconnect) while writing JSON HTTP response
- Upgrade Jetty to 9.3.11.M0. This fixes a race when using async responses

* 0.128

- Remove BoundedThreadPool
- Use default thread count for TestingHttpServerModule
- Support building prefixed configs in AbstractConfigurationAwareModule

* 0.127

- Remove all usage of ThreadGroup
- Make HTTP client response headers case insensitive
- Add HTTP/2 support in HTTP server for HTTP (not HTTPS)
- Add HTTP/2 support in HTTP client for HTTP (off by default)
- Add BoundedThreadPool

* 0.126

- Upgrade Jetty to 9.3.8.v20160314
- Upgrade Jersey to 2.22.2
- Add getQuantilesUpperBound() and getQuantilesLowerBound() to QuantileDigest

* 0.125

- Add JMX stats for HTTP response codes and failures
- Fix broken gzip handling in HTTP server
- Fix typo for keytab option in SpnegoAuthentication
- Fix thread leak in HTTP client when using anonymous pool

* 0.124

- Upgrade to jmxutils 1.19 which fixes issue with LoggingMBean

* 0.123

- Upgrade Jetty to 9.3.7.RC0
- Add ability for TestingHttpClient to send checked exceptions
- Use JDK Function for AsyncSemaphore

* 0.122

- Disable Jackson property mutator inference
- Add allAsList MoreFutures utility

* 0.121

- Fix configuration property to include and exclude HTTPS cipher suites

* 0.120

- Add configuration property to include and exclude HTTPS cipher suites

* 0.119

- Reduce contention during lifecycle tracking
- Add getMaxContentLength to HTTP client

* 0.118

- Improve messages for configuration errors
- Add JMX stat for days until HTTPS certificate expires

* 0.117

- Refresh Kerberos credentials for HTTP client before they expire

* 0.116

- Add configuration for HTTP selector and acceptor thread pools
- Fix config defaults bindings with annotation class
- Fix config defaults bindings for HTTP clients

* 0.115

- Add more MoreFutures utilities

* 0.114

- Make HttpServer logging more configurable
- Make configuration names for Logging and HttpServer logging match

* 0.113

- Change kerberos service principal format to correct serviceName@host
- Replace Guava Optional in TestingNodeModule and JettyHttpClient
- Report correct binding source for custom binders

* 0.112

- Always use keytab for kerberos auth

* 0.111

- Support JSON serialization of Java 7 types
- Add SPNEGO support to HTTP client
- Upgrade Jetty to 9.2.11.v20150529 to fix an issue that causes HTTP requests to hang
- Allow disabling console and file logging simultaneously

* 0.110

- Fix log levels being reset by garbage collection
- Reduce default http response buffer size from 64KB to zero bytes
- Add MoreFutures which contains utility methods for futures

* 0.109

- Add framework to override defaults of any configuration object

* 0.108

- Change default HTTP server accept queue size to 8000 from 50
- Upgrade to Airbase 38
- Exclude link local addresses in NodeInfo

* 0.107

- Remove dependency on SLF4J from log manager

* 0.106

- Upgrade to Airbase 36
- Upgrade to Jetty 9.2.11.M0
- Enable Jetty Client connection sweeper
- Reduce JettyHttpClient selectors to 2

* 0.105

- Upgrade to Airbase 35
- Upgrade to Jetty 9.2.10.v20150310

* 0.104

- Upgrade to Airbase 34

* 0.103

- Upgrade to Airbase 32
- Upgrade to Slice 0.10

* 0.102

- Fix bug when deserializing dense HLL v1 with no overflow bucket
- Verify HLLs have the same bucket count before merging them
- Add thread factory threads to a ThreadGroup
- Add more JettyHttpClient stats and debug operations

* 0.101

- New layout for dense HLL
- Fix bug in cardinality estimates produced by sparse HLL
- Expose request queue depth stats in HttpClient

* 0.100

- New algorithm and representation for sparse HLL

* 0.99

- Java 8 is now required
- Support JSON serialization of Java 8 types

* 0.98

- Expose JettyHttpClient dump methods to JMX
- Make HyperLogLog.addHash public

* 0.97

- Add AsyncSemaphore concurrent utility
- Add /v1/jmx/mbean/{objectName}/{attributeName} to get a single MBean attribute value

* 0.96

- Add AbstractConfigurationAwareModule for accessing config at binding time
- Upgrade to Airbase 28
- Upgrade to Guava 18.0
- Remove server archetype builders
- Remove deprecated AsyncHttpClient and bindAsyncHttpClient()
- Un-deprecate discovery.uri config property
- Show stack traces in HTTP error responses

* 0.95

- Add AsyncResponseHandler utility for building async HTTP responses
- Add Add Announcer.forceAnnounce() and ServiceSelector.refresh()
- Add more utility methods to Closeables
- Name and group Jetty HTTP client threads
- Always use daemon threads in HTTP client
- Add getResponseBytes() and getResponseBody() to FullJsonResponseHandler
- Change Duration.nanosSince() convert to most succinct unit

* 0.94

- Add min/max validators for DataSize
- Allow JettyHttpClient to configure maxRequestsQueuedPerDestination
- Add Jersey AsyncContextDelegateProvider implementation
- Upgrade to Airbase 26
- Always remove GZIP handler from JettyHttpClient
- Switch BoundedExecutor queue to ConcurrentLinkedQueue

* 0.93

- Add JAX-RS mapper for Smile encoded data
- Set thread context class loader in thread factories

* 0.92

- Upgrade to Jersey 2.9.1
- Add JaxrsBinder for explicit resource binding
- Add JaxrsModule constructor parameter to require explicit bindings
- Add missing synchronization on DecayCounter.merge

* 0.91

- Change packaging to not include zip file dependencies

* 0.90

- Add AbstractEventClient

* 0.89

- [Bug] Fix inadvertent masking of errors when detecting jmx agent
- Allow TimeStat unit to be specified at instantiation
- Add BoundedExecutor

* 0.88

- Add HyperLogLog
- [Bug] Max response size in HttpClient was hard-coded
- Optimize buffer management in HttpClient response handler
- Remove GZIP handler from HttpClient
- Fix failing unit tests in Java 8

* 0.87

- Upgrade to Jetty 9.1.3
- [Bug] Expose HttpClient stats via JMX
- Add support for IPv6 addresses to HttpUriBuilder

* 0.86

- Upgrade to Jetty 9.1.2
- Added new JettyHttpClient
- Removed ApacheHttpClient, StandaloneNettyAsyncHttpClient and NettyAsyncHttpClient

* 0.85

- [Bug] Handle locales correctly in Duration and DataSize
- [Bug] Shutdown discovery client executor using LifeCycle
- Upgrade to Guava 16.0.1
- Add validation for nodeId
- Defunct http-server.ip and jetty.ip
- Defunct all legacy HTTP server properties
- Add TestingTicker to testing module
- Capture log messages from commons-logging
- Allow using resources with TestingHttpServer
- Use Guava TypeToken instead of Guice TypeLiteral for JsonCodec

* 0.84

- Add decayed total to Distribution
- Add NOTICE file to airlift distribution tar file if present in source tree

* 0.83

- Upgrade to Guava 15.0

* 0.82

- [Bug] Launch processes from the data directory

* 0.81

- [Bug] Ignore IOException in Closeables.closeQuietly()
- Always return local announcements from service selectors
- Add merge support to CounterStat and DecayCounter

* 0.80

- [Bug] Fix issue in launcher when inspecting etc and plugin symlinks
- [Bug] Fix JSONP support in jaxrs for generic types (like collections)
- [Bug] Fix logging of configs with multiple independent bindings
- Move the HTML user interface for JMX to /v1/jmx
- Don't try to start JMX agent if already running
- Add 1,5,10, and 25 percentiles to Distribution
- Add manual percentile specification to Distribution getPercentiles
- Add byte array methods for JsonCodec
- Change DataSize toString to round to two decimal places

* 0.79

- Replace custom jmx agent with jdk's
- Defunct jmx.rmiserver.hostname property
- Add additional Logger methods for literal messages
- Update RequestStats to use DistributionStat instead of MeterStat
- Deprecate TimedStat and introduce TimeStat
- Add ConfigurationAwareProvider interface to implement custom
  configuration providers
- Roll and compress the http request log daily
- [Experimental] Add management wrapper for thread pool executor
- New python-based launcher

* 0.78

- Redesign HttpClient exception handling
- Backwards incompatible change to Duration to align with DataSize
- Bind to localhost when using TestingNodeModule
- Validate discovered address in NodeInfo
- Add Discovery ServiceSelectorManager for forced refreshes
- [Bug] In Discovery retry quicker after a failure

* 0.77

- Implemented QuantileDigest merging
- Added methods for serializing and deserializing QuantileDigest
- Allow adding negative values to QuantileDigest
- Fix handling of missing content type for JSON http responses

* 0.76

- Rack server support has been moved to a separate project: airlift-rack
- Added TestingHttpClient to simplify testing

* 0.75

- Add "X-Content-Type-Options: nosniff" header to all json responses to prevent
  broken browsers from rendering the json as html, which is a potential XSS
  vulnerability

* 0.74

- Remove experimental from all artifact names
- AsyncHttpClient (Netty based) now shares I/O pools by default. To get a
  private IO pool, use withPrivateIoThreadPool() when binding the client.
  The pools running user code are still per-client.

* 0.73
- [BUG] Always notify http response handler of errors
- Properly name http client threads
- Add properties to control number of Netty http boss and worker io threads
- Add AsyncHttpResponseFuture with state method for debugging

* 0.72
- Event client supports multiple backend implementations simultaneously
- Move logging management code from log module to new log-manager module
- Drop jax-rs dependencies in clients
- [Bug] launcher would sometimes create empty pid file which resulted in "kill 0" being executed

* 0.71

- JMXAgent now uses NodeInfo to find IP address to bind to.
- Use airbase to build.
- Upgrade to Jetty 8.1.9
- Upgrade to Guava 13.0.1
- Upgrade to Apache BVal 0.5
- Upgrade to slf4j 1.7.2
- Upgrade to logback 1.0.9
- Upgrade to Jersey 1.17
- Upgrade to Joda Time 2.1
- Upgrade to JCommander 1.30
- Upgrade to MySQL Connector 5.1.23
- Upgrade to h2 1.3.170
- Upgrade to TestNG 6.8
- Upgrade to Mockito 1.9.5
- Upgrade to Hamcrest 1.3
- Change io.airlift.log.Logger to use java.util.logging internally


* 0.70

- Upgrade to Jackson 2.1.3
- add support for Jackson modules
- Change AsyncHttpClient to be a true async http client

* 0.69

- Upgrade to jmxutils 1.13
- Upgrade to Jackson 1.9.12

* 0.68

- Dropped support for v1 events
- HTTP clients are now Closeable and shutdown properly
- JsonCodecFactory no longer pretty prints by default
- [Bug] Prevent HTTP tests from hanging on machines with many processors

* 0.67

- Dropped the Cassandra module
- Improvements to EquivalenceTester
- [Bug] Don't send entity in http client if there's no body generator
- [Bug] Use System.nanoTime() instead of System.currentTimeMillis for measuring time intervals
- Upgrade to Apache httpclient 4.2.2
- [Bug] Don't throw an exception from http request logger when wall clock time goes backwards
- Improve validation of H2EmbeddedDataSource config
- Allow use of H2 without an init script
- Enable mvcc support for embedded H2
- DataSize and Duration are now serializable as json

* 0.66

- Java 7 is now required
- Replace EWMA with DecayCounter, an implementation that doesn't require a thread pool
- Add HttpUriBuilder from Airship (Formerly Galaxy)
- Add support for binding Jackson key serializers and deserializers in Guice
- Add support for fromString method in configuration type coercion
- Better testing for nulls and unrelated classes in EquivalenceTester
- [Bug] Http client could attempt to connect to port zero; now throw an exception
- Minor fixes for windows
- Add QuantileDigest for computing approximate quantile statistics
- Deprecate MeterStat in favor of newly introduced DistributionStat

* 0.65

- Repackaged the project under io.airlift

* 0.64

- [Bug] Add missing HttpEventModule to skeleton-server
- Enforce use of HttpClientBinder

* 0.63

- [Bug] Make http-client-experimental a compile dependency

* 0.62

- Removed all dependencies to Ning's Asynchronous HTTP client
- Cleaned up dependency management
- Multiple refactoring commits for readability
- Addition of request filter support to HttpClient
- Removal of deprecated JavaUrlHttpClient
- Removal of the experimental module, segmented into separate modules

* 0.61

- Upgrade to Guava 12.0 for Platform and Rest Server Base
- Tests for keep alives in ApacheHttpClient

* 0.60

- [Bug] Fix announcements for Rack servers

* 0.59

- Replace Hibernate validator with direct dependency on Apache BVal
- [Bug] Fix V1 Events so they can be used with http request events
- Check for duplicate classes in the dependency closure during builds
- Add JsonEventSerializer for external use
- Add support for Rack servers to be able to announce with Discovery

* 0.58

- [Bug] Add new required modules for Rack server
- [Bug] Make media type parser more lenient
- [Experimental] Make JsonResponseHandler success codes configurable

* 0.57

- [Bug] ServiceInventory periodic refresh wasn't working
- Export ServiceInventory through JMX

* 0.56

- Fixed bug that causes HttpRequestEvents to not be published

* 0.55

- Upgrade to Jackson 1.9.5
- Record and event for each http request processed
- Added support for X-FORWARDED-FOR and X-FORWARDED-PROTO in request event and logging
- Add timing filter to http request flow for measuring time to first byte
- Set names of http server threads to a reasonable value
- Service inventory now support file URIs
- [Experimental] Changed HttpClient to not be async and added new AsyncHttpClient
- [Experimental] Replace java.net.URL with Apache HTTP Components in http-client

* 0.54

- [Bug] Don't use doclava in javadoc plugin for servers that use rest-server-base, it's buggy

* 0.53

- Upgrade to jetty 8.1.1 to fix connection leak when clients hang up prematurely
- EOFException while reading a JSON request now results in a 400 instead of a 500
- Add support for binding servlet filters into TestingHttpServer
- [Experimental] Update Rack packaging (JRuby on Rails) for Rails 3.1+

* 0.52

- Use a separate thread pool for http server admin listener
- Make http client connect and read timeout configurable
- Add node.external-address property to specify external routable address
- Server response header is not longer sent

* 0.51

- [Experimental] Trace token support in http server
- Support Map and Multimap for event fields
- Add server binary and config spec in jmx-http-rpc announcement
- [Bug] Announce jmx-http-rpc on admin port instead of main port
- [Bug] Add support for legacy log.config to launcher

* 0.50

- Upgrade to Guava 10.0.1
- Upgrade to TestNG 6.2.1
- Upgrade to Joda time 2.0
- Upgrade to CGlib 2.2.2
- Upgrade to Hibernate validation 4.2.0.Final
- Upgrade to log4j-over-slf4j 1.6.2
- Upgrade to Logback 0.9.30
- [Experimental] Log levels can be configured via JMX

* 0.49

- Upgrade to Jetty 8.0.3. Fixes critical bug where the http server leaks connections and file descriptors
- Sign artifacts for projects that inherit from rest-server-base and rack-server-base-experimental
- Optimize event serializer under high-concurrency
- [Experimental] Discovery client now bootstraps itself by calling out to an optional service inventory API
- [Experimental] Http server and client now expose request stats over JMX
- [Experimental] Support for conditional module binding
- [Experimental] Http-based JMX connector listens on an alternate admin port
- [Bug] Http client now consumes all unread input, otherwise keep-alive doesn't work
- [Bug] RackServlet inherited GEM_HOME and GEM_PATH environment variables

* 0.48
- Upgrade to Guava 10.0 - older version are now banned
- Upgrade to Hector 0.8.0-2
- Upgrade to Jersey 1.9.1
- Upgrade to Jetty 8.0.1
- [Experimental] Added http based JMX remote connector
- [Experimental] User agent if http client is now node.id to make debugging easier
- [Bug] removed broken discovery and event fail-safe logic

* 0.47
- [Bug] Fixed memory leaks in DiscoveryClient and EventClient due to AsyncHttpClient
- [Experimental] Added simplified HttpClient based in java.net.URL

* 0.46
- Launcher script now symlinks etc directory from install dir to data dir
- Launcher now looks for etc/node.properties instead of etc/node.config

* 0.45
- Releases and snapshots are now published to oss.sonatype.org
- HttpServer now allows SSL renegotiation (underlying issue has been fixed in JVM)
- Record request size in http log
- Launcher now supports --node-config for passing node specific data from Galaxy Agent
- Upgrade to async-http-client 1.6.5
- [Experimental] Rewrote event client v2 serialization and deprecated v1
- [Experimental] Added support for nested and iterable event fields in v2
- [Experimental] Changed event client to use java.net.URL instead of AsyncHttpClient due to memory leak
- [Experimental] Upgraded embedded Cassandra to 0.8.5
- [Experimental] Changed default Cassandra partitioner to BYTE_ORDERED
- [Experimental] Added rpc timeout configuration support for embedded Cassandra
- [Experimental] Moved experimental discovery based JDBC driver to pure Ruby
- [Experimental] Removed experimental dbpool-no-dep jar
- [Experimental] JRuby on Rails platform integration and galaxy packaging
- [Experimental] Added toBytes and roundTo methods to DataSize
- [Bug] System out and err redirect to logging does not flush
- [Bug] Fixed race condition in embedded Cassandra lifecycle
- [Bug] Fixed error reporting in event client
- [Bug] Fixed launcher issues with spawn using 'sh -c' on Linux

* 0.44 [BAD]
- This is a bad release.  Do not use.

* 0.43
- [Experimental] Added rack servlet for integration with JRuby on Rails
- [Bug] Discovery client fails to reschedule refresh job in some cases

* 0.42

- [Experimental] Embedded cassandra server and testing utilities
- [Experimental] Added DataSize (similar to Duration)
- [Experimental] Added ValidationAssertions.assertValidates and assertFailsValidation
- [Bug] Discovery client fails when consuming static announcements
- [Bug] MySQL connection timeouts using the wrong unit (ms vs s)
- [Bug] Jar manifest using the wrong file names when building snapshot versions

* 0.41

- Removed support for building RPMs
- Launcher now requires MRI Ruby 1.9.2+
- Launcher script now supports arbitrary properties using -Dname=value
- Launcher script now supports restart command
- Launcher script now supports a data directory argument which specifies
  the location to which the process should write persistent data files
- Launcher script now writes pid file and launcher log to data directory
- Added location to NodeInfo
- Updated to Surefire 2.8.1 which fixes Guice dependency problems
- Graduated @MinDuration and @MaxDuration to platform units module
- [Experimental] Added service discovery client
- [Experimental] JMX now announces to discovery server
- [Experimental] HTTP event client now uses discovery to find event collectors
- [Experimental] MySQL db pool now uses discovery to find mysql servers
- [Experimental] Added no-dep discovery database driver for use in Rails
- [Bug] Assembly packaging now picks up jars that contain a maven classifier

* 0.40

- Builder-based API for EquivalenceTester
- Improved error reporting for EquivalenceTester
- MockRequest for testing Jax-RS resources
- Bean validation annotations for Durations (@MinDuration, @MaxDuration)
- Log.debug() variant that takes an exception
- http-server.https.keystore.password to http-server.https.keystore.key
- Bug fixes