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CHANGES.txt
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Avro Change Log
Trunk (not yet released)
INCOMPATIBLE CHANGES
AVRO-2035: Java: validate default values when parsing schemas. (cutting)
AVRO-2043: Move to java8
AVRO-2061: Improve Invalid File Format Error Message (Beluga Behr via gabor)
AVRO-1933: Add more specific error details to SchemaCompatibility class
(Anders Sundelin via gabor)
AVRO-2072: ResolvingGrammarGenerator doesn't implement schema resolution correctly for unions
(Nandor Kollar via gabor)
AVRO-2059: Remove support of Hadoop 1 (gabor)
NEW FEATURES
AVRO-1704: Java: Add support for single-message encoding. (blue)
AVRO-1704: Spec: Add single-message encoding format. (Niels Basjes via blue)
AVRO-1884: Java: Add method to set the compiler output suffix.
(shijinkui via blue)
AVRO-1932: Java: Allow setting the SchemaStore on generated classes.
(Niels Basjes)
OPTIMIZATIONS
IMPROVEMENTS
AVRO-1889: Update maven-shade-plugin to enable building in Java 8 on Mac.
(Sachin Goyal via blue)
AVRO-1695. Java: Fix GenericData#deepCopy() to support logical types.
(cutting)
AVRO-1719: C++: Fix tests with Boost >= 1.59. (Romain Geissler via blue)
AVRO-1879: Make conversions field static. (Michael Wong via blue)
AVRO-1919: Formalize the presence of build.sh. (Suraj Acharya via cutting)
AVRO-1918: Improve logical type documentation. (Gabor Szadovszky via cutting)
AVRO-1907: Java: Add debug logging for invalid logical types.
(Gabor Szadovszky via blue)
AVRO-1897: Fix build issues due to VERSION.txt newline, avro-tools.
(Suraj Acharya via blue)
AVRO-1993: C++ Byte ordering macro does not work on FreeBSD (thiru)
AVRO-1975: Upgrade java dependencies (gabor)
AVRO-1960: Add log4j properties for avro-tools
AVRO-1748. Add Snappy Compression to C++ DataFile (J. Langley via thiru)
AVRO-1723. Add support for forward declarations in avro IDL (Zoltan Farcas via thiru)
AVRO-1971: Allow alias annotation on fields (Johannes Schulte via gabor)
AVRO-2021: uuid logical type is not documented (Nandor Kollar via gabor)
AVRO-2056: DirectBinaryEncoder Creates Buffer For Each Call To writeDouble
(Beluga Behr via gabor)
AVRO-2054: Use StringBuilder instead of StringBuffer
(Beluga Behr via gabor)
AVRO-2050: Clear Array To Allow GC
(Beluga Behr via gabor)
AVRO-2049: Remove Superfluous Configuration From AvroSerializer
(Beluga Behr via gabor)
AVRO-2048: Avro Binary Decoding - Gracefully Handle Long Strings
(Beluga Behr via gabor)
AVRO-2053: Remove Reference To Deprecated Property mapred.output.compression.type
(Beluga Behr via gabor)
AVRO-2055: Remove Magic Value From org.apache.avro.hadoop.io.AvroSequenceFile
(Beluga Behr via gabor)
BUG FIXES
AVRO-1741: Python3: Fix error when codec is not in the header.
(Matthew Hayes via blue)
AVRO-1869: Java: Fix Decimal conversion from ByteBuffer. (blue)
AVRO-607: Java: Make SpecificData schema cache thread-safe.
(Andrius Druzinis-Vitkus via blue)
AVRO-1888: Java: Fix single-record encoding marker check. (blue)
AVRO-1848: Ruby: Fix handling of falsey default values.
(Brian McKelvey via blue)
AVRO-1874: Py3: Use recommended module-level logging.
(Torgeir Børresen via blue)
AVRO-1883: Java: Fix incompatible schema detection nested in unions.
(Yibing Shi via blue)
AVRO-1908: Fix TestSpecificCompiler reference to private method.
(blue)
AVRO-1873: Ruby: Add CRC32 checksum to Snappy-compressed blocks.
(blue)
AVRO-1900: Java: Remove dev-tools to fix Java build. (blue)
AVRO-1913: No warnings in the generated Java code. (Niels Basjes)
AVRO-1914: Fix licencing errors reported by rat. (Niels Basjes)
AVRO-1901: Record named "Exception" generated bad code.
(Radai Rosenblatt via Niels Basjes)
AVRO-1849: C++: printJson fails on record with no fields.
(Simon Woodford vai tomwhite)
AVRO-1853: C++: Compiler::toBin crashes on empty string.
(Zoltan Ivanfi via tomwhite)
AVRO-1923, AVRO-1944: Stop infinite recursion in GenericData.toString. (Niels Basjes)
AVRO-1860: Java: Field#DefaultVal() returns Ints for Long fields.
(Gabor Szadovszky via cutting)
AVRO-1929: Java: SchemaCompatibility fails to recognize
string<->bytes promotion. (Anders Sundelin via cutting)
AVRO-1882: Java: Fix ConcurrentHashMap with non-string keys.
(Sachin Goyal via blue)
AVRO-1943: Java: Flaky test:
TestNettyServerWithCompression.testConnectionsCount
(Gabor Szadovszky via tomwhite)
AVRO-1947: Java: Inconsistent maven profile activation
(Gabor Szadovszky via tomwhite)
AVRO-1626: C#: Fix Avro.pref build error. (Naruto Takahashi via blue)
AVRO-1951: Python: Fix ipc_test.py with a valid DNS name. (blue)
AVRO-1966: Java: Fix NPE When copying builder with nullable record. (Niels Basjes)
AVRO-1967: Java: Fix NPE when calling getXyzBuilder on instance where the xyz is null
(Niels Basjes)
AVRO-1970: Java: Flaky test: TestInputBytes. (Gabor Szadovszky via tomwhite)
AVRO-1881: Java: Avro (Java) Memory Leak when reusing JsonDecoder instance.
(Nandor Kollar via tomwhite)
AVRO-1954: Java: Schema.Field.defaultVal() generates: Unknown datum type
(Nandor Kollar via tomwhite)
AVRO-1930: JsonParser doesn't handle integer scientific notation (Pietro Cerutti via thiru)
AVRO-1912: C++ Resolving Decoding doesn't work if element removed from record in array. (via thiru)
AVRO-1866. JsonNullFormatter fwd-declared as class, defined as struct ( Pietro Cerutti via thiru)
AVRO-1750. GenericDatum API behavior breaking change (thiru)
AVRO-1995: JSON Parser does not properly check current state (Victor Mota via thiru)
AVRO-1216. Setting precision for the output stream (John McClean via thiru)
AVRO-1813: Incorrect link to build instructions in Java Getting Started (Pietro Menna via gabor)
AVRO-1937: C++ generator for recursive structure crashes (thiru)
AVRO-1892. C++ library cannot parse unions with default values (Hua Zhang via thiru)
AVRO-1994. C++ Code Generator Generates Invalid Code if Field is of type Null (Darryl Green via thiru)
AVRO-1997. Avro Field.defaultVal broken for Fixed fields. (Zoltan Farkasi via thiru)
AVRO-2033. GenericUnions constructor defaults to a broken state (Philip Rizk via thiru)
AVRO-1857: GenericDatumWriter.write using BufferedBinaryEncoder leaves ByteBuffer in indeterminate state
(Nandor Kollar via gabor)
AVRO-1990: CreateRandomFileTool should validate arguments (Nandor Kollar via gabor)
AVRO-1401: @Nullable does not work with byte[] (Nandor Kollar via gabor)
AVRO-1985: Unreleased resources (gabor)
AVRO-1485: Specification says Record field type can be record name but implementation allows any named type.
(Nandor Kollar via gabor)
Avro 1.8.1 (14 May 2016)
INCOMPATIBLE CHANGES
NEW FEATURES
OPTIMIZATIONS
IMPROVEMENTS
AVRO-1793. Python2: Retain stack trace and original exception when failing
to parse schemas. Contributed by Jakob Homan (jghoman).
AVRO-1778: JavaScript: Add IPC/RPC support. (mtth)
AVRO-1824: C++: Fix docs for building Avro C++. (William S. Fulton via blue)
AVRO-1701: Fix for "warning: comparison between 'const enum testgen_r::ExampleEnum' and 'const enum testgen::ExampleEnum'" (peter liu via thiru)
AVRO-1823: Java: Do not swallow IOException while reading magic bytes.
(Koji Noguchi via blue)
AVRO-1825: Allow running build.sh dist under git (nielsbasjes)
AVRO-1819, AVRO-1820: Java: Add aliases, custom properties to Protocol.
(Konstantin Usachev via blue)
AVRO-1834: Lower the Javadoc warnings on the generated code. (nielsbasjes)
AVRO-1835: Running tests using JDK 1.8 complains about MaxPermSize (nielsbasjes)
AVRO-1828: Add EditorConfig file and cleanup of whitespace violations (nielsbasjes)
AVRO-1839: Update the gitignore files to hide generated files (nielsbasjes)
AVRO-1838: Java: Update checkstyle to catch trailing whitespace.
(nielsbasjes via blue)
AVRO-1840: Ensure that build.sh clean really cleans all generated files (nielsbasjes)
AVRO-1841: Add clientside githooks to do basic commit validation (nielsbasjes)
AVRO-1807: Java/JSON: Throw for unsupported objects rather than ignoring. (blue)
BUG FIXES
AVRO-1493. Java: Avoid the "Turkish Locale Problem". Schema fingerprints are
now consistent regardless of the environment's locale.
AVRO-1799: Fix GenericRecord#toString ByteBuffer handling. (blue)
AVRO-1667: Fix parser grammar flattening for recursive cases.
(Zoltan Farkas via blue)
AVRO-1829. C++ documentation improvements (William S Fulton via thiru)
AVRO-1821: Java: Fix possible memory leak in ReflectData accessor cache.
(Bryan Harclerode via blue)
AVRO-1642: Java: Do not generate invalid all-args constructor.
(Prateek Rungta and Barry Jones via blue)
AVRO-1826: build.sh rat fails over extra license files and many others (nielsbasjes).
AVRO-1814: Generated java code fails on variables with a TLD name like 'org' (nielsbasjes)
AVRO-1711: Java: Fix JsonParser#skipChildren to implement its defined contract.
(Zoltan Farkas and Thiruvalluvan M. G. via blue)
Avro 1.8.0 (22 January 2016)
INCOMPATIBLE CHANGES
AVRO-1334. Java: Update versions of many dependencies. (scottcarey, cutting)
AVRO-997. Java: For enum values, no longer sometimes permit any
Object whose toString() names an enum symbol, but rather always
require use of distinct enum types. (Sean Busbey via cutting)
AVRO-1602. Java: Remove Dapper-style RPC trace facility. This
seems unused and has been a source of build problems. (cutting)
AVRO-1586. Build against Hadoop 2. With this change the avro-mapred and
trevni-avro JARs without a hadoop1 or hadoop2 Maven classifier are Hadoop 2
artifacts. To use with Hadoop 1, set the classifier to hadoop1.
(tomwhite)
AVRO-1502. Java: Generated classes now implement Serializable.
Generated classes need to be regenerated to use this release. (cutting)
NEW FEATURES
AVRO-1555. C#: Add support for RPC over HTTP. (Dmitry Kovalev via cutting)
AVRO-739. Add date, time, timestamp, and duration binary types to
specification. (Dmitry Kovalev and Ryan Blue via tomwhite)
AVRO-1590. Java: In resolving records in unions, permit structural
and shortname matches when fullname matching fails.
(Ryan Blue via cutting)
AVRO-570. Python: Add connector for tethered mapreduce.
(Jeremy Lewi and Steven Willis via cutting)
AVRO-834. Java: Data File corruption recovery tool.
(scottcarey and tomwhite)
AVRO-1614. Java: In generated builder classes, add accessors to
field sub-builders, permitting easier creation of nested, optional
structures. (Niels Basjes via cutting)
AVRO-1537. Make it easier to set up a multi-language build environment.
Support for running a Docker container with all build dependencies.
(tomwhite)
AVRO-680. Java: Support non-string map keys. (Sachin Goyal via Ryan Blue).
AVRO-1497. Java: Add support for logical types. (blue)
AVRO-1685. Java: Allow specifying sync in DataFileWriter.create
(Sehrope Sarkuni via tomwhite)
AVRO-1683. Add microsecond time and timestamp logical types to the
specification. (blue)
AVRO-1672. Java: Add date/time logical types and conversions. (blue)
AVRO-1747. JS: Add Javascript IO implementation. (Matthieu Monsch via blue)
AVRO-1767. JS: Fall back to unwrapped union values. (Matthieu Monsch via blue)
AVRO-1784. C++: Should have a json encoder that pretty prints. (John McClean via thiru)
OPTIMIZATIONS
AVRO-1760. Java: Thread scalability problem with the use of SynchronizedMap
(tomwhite)
IMPROVEMENTS
AVRO-843. C#: Change Visual Studio project files to specify .NET 3.5.
(Dmitry Kovalev via cutting)
AVRO-1583. Java: Add stdin support to the tojson tool.
(Clément Mahtieu via cutting)
AVRO-1551. Java: Add an output encoding option to the compiler
command line tool. (Keegan Witt via cutting)
AVRO-1585. Java: Deprecate Jackson classes in public API. (tomwhite)
AVRO-1619. Java: Improve javadoc comments in generated code.
(Niels Basjes via cutting)
AVRO-1616. Add IntelliJ files to .gitignore. (Niels Basjes via cutting)
AVRO-1539. Java: Add FileSystem based FsInput constructor.
(Allan Shoup via cutting)
AVRO-1628. Java: Add Schema#createUnion(Schema ...) convenience method.
(Clément Mahtieu via cutting)
AVRO-1655. Java: Add Schema.createRecord with field list.
(Lars Francke via blue)
AVRO-1681. Improve generated JavaDocs.
(Charles Gariépy-Ikeson via tomwhite)
AVRO-1645. Ruby: Improved handling of missing named types.
(Daniel Schierbeck via tomwhite)
AVRO-1693. Ruby: Allow writing arbitrary metadata to data files.
(Daniel Schierbeck via tomwhite)
AVRO-1692. Allow more than one logical type for a Java class. (blue via
tomwhite)
AVRO-1697. Ruby: Add support for the Snappy codec to the Ruby library.
(Daniel Schierbeck via tomwhite)
AVRO-1739. Update Avro URLs and mailing lists. (Gabor Liptak via blue)
AVRO-1765: JS: Update node.js version in docker to 4.x. (blue)
BUG FIXES
AVRO-1553. Java: MapReduce never uses MapOutputValueSchema (tomwhite)
AVRO-1544. Java: Fix GenericData#validate for unions with null.
(Matthew Hayes via cutting)
AVRO-1589. Java: Fix ReflectData.AllowNulls to not create unions
for primitive types. (Ryan Blue via cutting)
AVRO-1591. Java: Fix specific RPC so that proxies implement hashCode(),
equals() and toString(). (Mark Spadoni via cutting)
AVRO-1489. Java: Avro fails to build with OpenJDK 8. (Ricardo Arguello via
tomwhite)
AVRO-1302. Python: Update documentation to open files as binary to
prevent EOL substitution. (Lars Francke via cutting)
AVRO-1598. Java: Fix flakiness in TestFileSpanStorage.
(Ryan Blue via cutting)
AVRO-1592. Java: Fix handling of Java reserved words as enum
constants in generated code. (Lukas Steiblys via cutting)
AVRO-1597. Java: Random data tool writes corrupt files to standard out.
(cutting)
AVRO-1596. Java: Cannot read past corrupted block in Avro data file.
(tomwhite)
AVRO-1564. Java: Fix handling of optional byte field in Thrift.
(Michael Pershyn via cutting)
AVRO-1407: Java: Fix infinite loop on slow connect in NettyTransceiver.
(Gareth Davis via cutting)
AVRO-1604. Java: Fix ReflectData.AllowNull to work with @Nullable
annotations. (Ryan Blue via cutting)
AVRO-1545. Python. Fix to retain schema properties on primitive types.
(Dustin Spicuzza via cutting)
AVRO-1623. Java: Fix GenericData#validate to correctly resolve unions.
(Jeffrey Mullins via cutting)
AVRO-1621. PHP: FloatIntEncodingTest fails for NAN. (tomwhite)
AVRO-1573. Javascript. Upgrade to Grunt 0.4 for testing. (tomwhite)
AVRO-1624. Java. Surefire forkMode is deprecated. (Niels Basjes via
tomwhite)
AVRO-1630. Java: Creating Builder from instance loses data. (Niels Basjes
via tomwhite)
AVRO-1653. Fix typo in spec (lenghted => length). (Sehrope Sarkuni via blue)
AVRO-1656. Fix 'How to Contribute' link. (Benjamin Clauss via blue)
AVRO-1652. Java: Do not warn or validate defaults if validation is off.
(Michael D'Angelo via blue)
AVRO-1655. Java: Fix NPE in RecordSchema#toString when fields are null.
(Lars Francke via blue)
AVRO-1689. Update Dockerfile to use official Java repository. (tomwhite)
AVRO-1576. TestSchemaCompatibility is platform dependant.
(Stevo Slavic via tomwhite)
AVRO-1688. Ruby test_union(TestIO) is failing. (tomwhite)
AVRO-1673. Python 3 EnumSchema changes the order of symbols.
(Marcin Białoń via tomwhite)
AVRO-1491. Avro.ipc.dll not included in release zip/build file.
(Dmitry Kovalev via tomwhite)
AVRO-1676. Java: Do not treat enum symbols as immutable when deep copying.
(Mike Rodriguez via tomwhite)
AVRO-1593. C++: Use classic locale to escape control chars.
(Hatem Helal via blue)
AVRO-1700. C++: Fix avro_BufferStreambuf_hh__ header guard.
(Liu Yanbo via blue)
AVRO-1715. Java: Close files opened by the Schema parser.
(Pavel Safrata via blue)
AVRO-1729: Ruby: Add LICENSE and NOTICE to ruby gems. (blue)
AVRO-1732: C++: Add LICENSE and NOTICE to binary distribution. (blue)
AVRO-1733: C#: Add LICENSE and NOTICE to binary distribution. (blue)
AVRO-1755. Java: avro-mapred should not depend on avro-ipc:test.
(Clément MAHTIEU via tomwhite)
AVRO-1754. C++ ValiditingDecoder handles null incorrectly. (John McClean via thiru)
AVRO-1731: C: Add LICENSE and NOTICE to binary distribution. (blue)
AVRO-1735: Perl: Add LICENSE and NOTICE to distribution. (blue)
AVRO-1736: PHP: Add LICENSE and NOTICE to distribution. (blue)
AVRO-1730: Python 2, 3: Add LICENSE and NOTICE to distribution. (blue)
AVRO-1722: Update root LICENSE.txt and NOTICE.txt. (blue)
AVRO-1584: Java: Escape characters not allowed in JSON in toString. (blue)
AVRO-1728: Java: Add LICENSE and NOTICE files to jars. (blue)
AVRO-1572: C: Fix EOF handling on data files that are multiples of
4096 bytes. (Ben Walsh via martinkl)
AVRO-1617: C: Fix equality checking of record schemas. (Skye
Wanderman-Milne via martinkl)
AVRO-1560: C: Fix build for custom libsnappy location. (Ujjwal via martinkl)
AVRO-1770. Python 3 overwrites custom README.txt (blue via tomwhite)
AVRO-1771. Add LICENSE and NOTICE to avro-doc artifact. (blue via tomwhite)
AVRO-1772. Ruby: load error in rubygem when loading schema normalization.
(blue and martinkl via tomwhite)
AVRO-1725. Docs: clarify restrictions on enum symbols. (martinkl)
AVRO-1779. Avro docs convenience artifact missing LICENSE/NOTICE.
(blue via tomwhite)
AVRO-1781. Java: Fix Schema.parse thread safety bug introduced by logical
types. (blue)
AVRO-1782. Ruby: Fix unit test failures in new versions of Ruby. (martinkl)
AVRO-1769. C: Use operating system's libjansson instead of bundling
it with Avro. (Magnus Edenhill via martinkl)
AVRO-1691. C: Allow schemas consisting only of a primitive type.
(Magnus Edenhill via martinkl)
AVRO-1663. C: Fix handling of namespaces for enum and fixed types.
(martinkl)
AVRO-1775. Ruby: Use test-unit gem for running tests. (martinkl)
AVRO-1783. Ruby: Ensure correct binary encoding for byte strings.
(martinkl)
Avro 1.7.7 (23 July 2014)
NEW FEATURES
AVRO-1315. Java: Schema Validation utilities. (scottcarey and tomwhite)
AVRO-1439. Java: Add AvroMultipleInputs for mapred. (Harsh J via cutting)
AVRO-974. Add a Perl implementation of Avro. (Yann Kerhervé & John Karp)
AVRO-1471. Java: Permit writing generated code in different
character encodings. (Eugene Mustaphin via cutting)
AVRO-1402. Add optional subtypes to specification, initially
including a subtype of bytes and fixed for decimal values.
(tomwhite & Ryan Blue via cutting)
AVRO-1522. Java: Add support for compression codecs to SortedKeyValueFile.
(Steven Willis via cutting)
AVRO-1474. C++ resolvind decoder doesn't work when reader schema
has more fields than writer schema. (thiru with help from Ramana
Suvarapu)
AVRO-1352. Schema for fixed types corrupted when writing out in
JSON format (Steve Roehrs via thiru)
AVRO-1533. Java: In schema resolution, permit conversion between
bytes and string. (cutting)
OPTIMIZATIONS
AVRO-1455. Deep copy does not need to create new instances for primitives.
(tomwhite)
IMPROVEMENTS
AVRO-1441. Java: Improve documentation for Maven configuration.
(Jesse Anderson via cutting)
AVRO-1447. Java: Remove dead code from example in documentation.
(Jesse Anderson via cutting)
AVRO-1449. Java: Optionally validate default values while reading schemas.
(cutting)
AVRO-1472. Java: Clarify parse method in getting started guide.
(Michael Knapp via cutting)
AVRO-1465. Java: Improve the error message when union dispatch fails.
(Gabriel Reid via cutting)
AVRO-1482. In specification, place "null" first in unions as best practice.
(cutting)
AVRO-1476. Java: Remove transient declaration from Schema.Field#position.
(Robert Chu via cutting)
AVRO-1512. Java: Support Thrift unions. (cutting)
AVRO-1535. Java: Make the name .X to refer to X in the null namespace.
This permits aliases to names in the null namespace. (cutting)
AVRO-1536. Ruby: Remove monkeypatching of Enumerable.
(Willem van Bergen via martinkl)
AVRO-1546. Java: Change GenericData.Record#toString() to not
escape forward slashes. (Brandon Forehand via cutting)
BUG FIXES
AVRO-1446. C#: Correctly handle system errors in RPC.
(David Taylor via cutting)
AVRO-1445. Java: Fix protobuf support to correctly handle enums
with default values. (cutting)
AVRO-1436. C#: Fix tests to run multiple times. (David Taylor via cutting)
AVRO-1458. Java: Setting char record field via reflection affects other
fields. (tomwhite)
AVRO-1454. Java: Fix GenericData#toString and AvroAsTextRecordReader
to generate valid Json for NaN and infinities. (cutting)
AVRO-1473. Java: Fix references to names in the empty namespace.
(Gabriel Reid via cutting)
AVRO-1459. Ruby: Fix a typo in Rakefile that breaks 'gem install'.
(Tomas Svarovsky via cutting)
AVRO-1457. Java: Fix Encoder so that offset in non-array-backed
ByteBuffers is not altered when written. (Rob Turner via cutting)
AVRO-1442. Java: Fix ResolvingGrammarGenerator to work with fixed type.
(Jim Pivarski via cutting)
AVRO-1500. Java: Fix bug in handling of Thrift shorts in unions.
(Michael Pershyn via cutting)
AVRO-1513. Perl: Remove test plans from unit test files.
(John Karp via cutting)
AVRO-1462. Perl: Stop spurious serializer warnings about Non-ASCII
decimal characters. (John Karp via cutting)
AVRO-1470. Perl: Fix encoding of boolean values. (John Karp via cutting)
AVRO-1525. Java: ReflectData cannot resolve union with fixed. (tomwhite)
AVRO-1499. Ruby: Fix encoding issue that caused corrupted data files
to be written under Ruby 2.0+. (Willem van Bergen and martinkl)
AVRO-1498. Java: Fix custom encodings to work in reflect without
Unsafe access. (Christopher Mann via cutting)
AVRO-1448. Python3: Fix setup.py installation through PyPI. (taton)
AVRO-1540. C++ doesn't build in Ubuntu. (thiru)
Avro 1.7.6 (15 January 2014)
NEW FEATURES
AVRO-975. C#: Add RPC support. (Mark Lamley via cutting)
AVRO-1388. Java: Add fsync support to DataFileWriter.
(Hari Shreedharan via cutting)
AVRO-1373. Java: Add support for "xz" compresssion codec, using LZMA2.
(Nick White via cutting)
AVRO-1400. Java: Add AvroDefault reflect annotation to specify
default values. (cutting)
AVRO-1397. Java: Binary fragment tools can now read multiple
objects from their input. (Rob Turner via cutting)
AVRO-1396. Java: Enable tojson command-line tool to pretty print output.
(Rob Turner via cutting)
AVRO-1409. Java: Add an API for testing schema compatibility.
(Christophe Taton via cutting)
AVRO-1379. C: avro_file_writer_append_encoded() function.
(Mark Teodoro via dcreager)
AVRO-1414. C++: Add support for deflate-compressed data files.
(Daniel Russel via cutting)
AVRO-1418. Java: Add sync support to AvroMultipleOutputs.
(Deepak Kumar V via cutting)
AVRO-1421. Java: Add an @AvroSchema annotation to reflect. (cutting)
AVRO-1382. Add support for Python3. (Christophe Taton via cutting)
OPTIMIZATIONS
AVRO-1348. Java: Improve UTF-8 to String conversion performance in
Java 6. (cutting)
IMPROVEMENTS
AVRO-1355. Java: Reject schemas with duplicate field
names. (Christophe Taton via cutting)
AVRO-1332. C#: Improve DatumReader performance.
(David McIntosh via cutting)
AVRO-1387. Java: Add DataFileWriter option to inhibit flush per block.
(Hari Shreedharan via cutting)
AVRO-1384. Java: Permit Maven to find imports within project.
(Alexandre Normand via cutting)
AVRO-1397. Java: Improve error message when missing field has no default.
(David Carr via cutting)
AVRO-1398. Increase default sync interval from 16k to 64k.
(Rob Turner via cutting)
AVRO-1234. Java: Permit AvroInputFormat to process files whose
names don't end in .avro. (Dave Beech & Sandy Ryza via cutting)
AVRO-1344. Java: Expose sync interval configuration in mapreduce API.
(Rob Turner via cutting)
AVRO-1406. C++. GenericRecord (GenericDatum, etc.) doesn't support
getters and setters with field name argument.
(Iaroslav Zeigerman via thiru)
AVRO-1063. Ruby: Use multi_json instead of requiring yajl.
(Duke via cutting)
AVRO-1225. Java: Add guide for MapReduce API. (Brock Noland via cutting)
AVRO-1426. Java: Add mapreduce word count example.
(Jesse Anderson via cutting)
AVRO-987. Java: Make Avro OSGI-ready. (Ioannis Canellos via cutting)
AVRO-1427. Java: Improve ResolvingDecoder tests. (Rob Turner via cutting)
AVRO-1432. Java: Reduce javadoc warnings. (cutting)
AVRO-1415. C++ binary encoder and decoder doesn't handle
uninitialzed enums (Ramana Suvarapu via thiru)
AVRO-1434. C#: Fix ObjectCreator to be thread safe.
(David Taylor via cutting)
BUG FIXES
AVRO-1368. Fix SpecificDatumWriter to, when writing a string
schema, not silently convert any object to a string.
(Christophe Taton via cutting)
AVRO-1374. Java: Fix compilation against Hadoop 2.1.
(Julian Zhou via cutting)
AVRO-1366. Fix specification's description of metadata format.
(cutting)
AVRO-1377. Java: Fix a bug in Schema#toString() when a namespaced
enum or fixed is defined within an un-namespaced record.
(Graham Sanderson via cutting)
AVRO-1399. Java: Fix a test within TestAvroKeyOutputFormat.
(Rob Turner via cutting)
AVRO-1410. Explicit version specification in pom prevents dependency
management. (Eric Sammer via tomwhite)
AVRO-1358. C: Hide symbols that aren't in the public API. (dcreager)
AVRO-1237. C: Bounds-check union discriminant when reading a data file.
(Michael Cooper via dcreager)
AVRO-1369. C: Use correct byte-swapping functions on Mac OS X.
(thinker0 via dcreager)
AVRO-1405. C: Check for end-of-file correctly.
(Mika Ristimaki via dcreager)
AVRO-1424. ValidatingDecoder hangs on large schema (thiru)
AVRO-1433. Java: Fix compiler to not drop aliases when StringType
is String. (cutting)
Avro 1.7.5 (12 August 2013)
NEW FEATURES
AVRO-1307. Java: Add 'cat' tool to append and sample data files.
(Vincenz Priesnitz via cutting)
AVRO-1274. Java: Add a schema builder API. (tomwhite)
AVRO-1319. Java: Add command line tools to generate random data
files and to convert Avro to Trevni. (cutting)
AVRO-823: C#: Add data file support. (David McIntosh via cutting)
AVRO-896. C: Snappy compression codec. (Grisha Trubetskoy via dcreager)
AVRO-1337. Java: Add a command line tool to generate schema files
from a protocol. (Bertrand Dechoux via cutting)
AVRO-1341. Java: Add reflection annotations @AvroName, @AvroIgnore,
@AvroMeta, @AvroAlias and @AvroEncode. (Vincenz Priesnitz via cutting)
AVRO-1353. Java: Permit specification of data model (generic,
specific, reflect, or other) in mapreduce job configuration.
(Marshall Bockrath-Vandegrift via cutting)
IMPROVEMENTS
AVRO-1260. Ruby: Improve read performance. (Martin Kleppmann via cutting)
AVRO-1267. Java: Permit dashes in IDL property names. (cutting)
AVRO-1272. Ruby: Improve schema namespace handling.
(Martin Kleppmann via cutting)
AVRO-1268. Java: Extend support for stringables from reflect to
specific. String schemas in generated classes now support the
"java-class" and "java-key-class" properties. The built-in Java
types BigDecimal, BigInteger, URI, URL, and File can now be fields
in generated classes. (Alexandre Normand and cutting)
AVRO-1259. Java: Improve Trevni's encoding of sparse columns.
(cutting)
AVRO-1287. Add data file with deflate codec to the interoperability
test suite. (martinkl)
AVRO-1288. Ruby: Add support for deflate codec in data files.
(martinkl)
AVRO-867. Java: Enable command-line tools to read data files from
any Hadoop FileSystem implementation. (Vincenz Priesnitz via cutting)
AVRO-1299. Java: SpecificRecordBase implements GenericRecord.
(Christophe Taton via cutting)
AVRO-1282. Java: Use sun.misc.Unsafe to improve Reflect API Performance.
(Leo Romanoff via scottcarey)
AVRO-1313. Java: Add system property avro.disable.unsafe for disabling
use of sun.misc.Unsafe. (scottcarey)
AVRO-1327. Java: Make GenericEnumSymbol implement Comparable. (cutting)
AVRO-1314. Java: add @threadSafe annotation to maven plugins.
(scottcarey)
AVRO-1334. Java: Upgrade snappy-java dependency to 1.0.5
(scottcarey)
AVRO-1238. C: EOF detection in avro_file_reader_read_value.
(Michael Cooper via dcreager)
AVRO-1324. C: Handle namespaces in schema parsing.
(Ben Walsh via dcreager)
AVRO-1290. Handling NaN and positive and negative infinities in
C++ Json (Daniel Russel via thiru)
AVRO-1351. Extend SortedKeyValueFile to support data models
besides generic. (cutting)
AVRO-1261. Clarify in documentation that generated no-arg
constructors do not use default values from schema. (cutting)
AVRO-1297. NettyTransceiver: Provide overloaded
close(boolean awaitCompletion). (jbaldassari)
AVRO-1279. C: Treat missing codec in data files as null codec.
(Carl Steinbach via dcreager)
AVRO-1325. Java: Enhanced Schema Builder API. (scottcarey)
BUG FIXES
AVRO-1296. Python: Fix schemas retrieved from protocol types
to not ignore namespaces. (Jeremy Kahn via philz)
AVRO-1266. Java: Fix mapred.AvroMultipleOutputs to support multiple
different schemas. (Ashish Nagavaram via martinkl)
AVRO-1295. Java: Fix printing of a non-null namespace within a
null namespace. (cutting)
AVRO-1300. Java: Fix generated copy constructors to copy field
values. (Christophe Taton via cutting)
AVRO-1309. Java: Fix nested protobuf enums. (cutting)
AVRO-1308. Java: Fix repeated protobuf messages & enums.
(Steve Zesch & cutting)
AVRO-1306. Java mapred: Fix incorrect documentation for combiners.
(Mina Naguib via martinkl)
AVRO-1320. Java: Fix Trevni to correctly read unions and specific enums.
(cutting)
AVRO-1326. Java: Fix bug in BZip2 codec. (cutting)
AVRO-1322. Java: Add Hadoop version classifier to trevni-avro
Maven artifacts. (massie)
AVRO-1316. Java: Fix compiler to split long schema string
constants so javac can compile them. (Jeremy Kahn via cutting)
AVRO-1331. Java: Fix schema-parsing incompatibility from AVRO-1295.
(cutting)
AVRO-1181. compileJsonSchemaFromString(std::string) declared in
Compiler.hh but not defined (Daniel Russel via thiru)
AVRO-1346. C++: schema parser cannot parse verbose primitive types
(Skye Wanderman-Milne via thiru)
AVRO-1171. Avro C++ Json Decoder: Double cannot be decoded (Sam
Overend via thiru)
AVRO-1293. Java: Fix potential deadlock in NettyTransceiver.
(James Baldassari via cutting)
AVRO-1292. Java: Fix potential client blocking in NettyTransceiver.
(James Baldassari via cutting)
AVRO-1144. Java: Deadlock with FSInput and Hadoop NativeS3FileSystem.
(scottcarey)
AVRO-1356. Java: Fix AvroMultipleOutputs for map-only jobs.
(Alan Paulsen via cutting)
Avro 1.7.4 (22 February 2013)
NEW FEATURES
AVRO-1248. Avro Tool to dump protocol of a remote RPC Service
(Gareth Davis via philz)
AVRO-1229. Add support for booleans to Trevni. (cutting)
AVRO-1250. Add a command-line tool to concatenate data files.
(Nick White via cutting)
AVRO-1243. Java: Add support for bzip2 file compression and
translate Hadoop job compression options. (Ted Malaska via cutting)
AVRO-1253. Java: Add support for bzip2 file compression to Trevni.
(Ted Malaska via cutting)
AVRO-1254. Java: Add support for new mapreduce APIs to Trevni.
(Ted Malaska via cutting)
IMPROVEMENTS
AVRO-1211. Add MR guide to documentation. (Skye Wanderman-Milne via
tomwhite)
AVRO-1221. Java: Fix TestSaslDigestMd5 to pass on IBM JVM.
(Rodrigo Trujillo via cutting)
AVRO-1008. Java: Improve support for forcing connection
handshakes. (jbaldassari & cutting)
AVRO-970. Java: Make Codec API public. (Rui Pereira via cutting)
AVRO-1223. Java: Add a static method to generated classes that
returns its schema, getClassSchema(). (cutting)
AVRO-1232. Java: Add a toString() method to AvroWrapper so that it
works with TextOutputFormat. (Garrett Wu via cutting)
AVRO-1241. Java: Optimize Trevni string input. (Joseph Adler via cutting)
AVRO-1198. Java: Improve error message for malformed data. (cutting)
AVRO-1252. Java: Add a '-string' option to compiler command line
to cause java.lang.String to be used instead of Utf8. (cutting)
AVRO-1255. Python: Make 'names' parameter optional in to_json methods.
(Jeremy Kahn via cutting)
AVRO-1251. Java: Add TestNettyServerWithCompression, illustrating
how one can add compression to Avro Netty-based RPC.
(Ted Malaska via cutting)
BUG FIXES
AVRO-1231. Java: Fix Trevni shredder to work on non-recursive