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Releases: google/error-prone

Error Prone 2.7.1

14 May 23:11
@cushon cushon
v2.7.1
09262b8
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Error Prone 2.7.1

Everything in Error Prone 2.7.0, plus an additional fix for JDK 17.

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Error Prone 2.7.0

14 May 21:33
@cushon cushon
v2.7.0
84f7ba8
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Error Prone 2.7.0

Changes

  • Initial support for running on JDK 17 EA builds. Supports for Java 17 languages features is incomplete; bug reports for issues with Java 17 are welcome.
  • @InlineMe is a deprecation mechanism that allows automated tools to cleanup existing callers: http://errorprone.info/docs/inlineme

New checks:

Closed issues: #2257, #2260, #2282, #2301, #2322, #2323, #2324

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Error Prone 2.6.0

01 Apr 19:35
@cushon cushon
v2.6.0
46aeffa
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Error Prone 2.6.0

Checkers Added:

Issues Closed:

  • RFE: configurable DoNotCall/RestrictedApi/JdkObsolete/DefaultCharset/JavaTimeDefaultTimeZone check (#1211)
  • Add SystemOut checker (#1534)
  • WellKnownMutability: add java.awt.Color (#1682)
  • IdentityHashMapUsage warnings differ from its documentation (#2095)
  • UnusedMethod no longer works (#2215)
  • Document naming convention for UnusedMethod (#2223)
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Error Prone 2.5.1

15 Jan 04:32
@cushon cushon
v2.5.1
5e733ac
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Error Prone 2.5.1

Changes

NoSuchMethodError: 'com.sun.tools.javac.util.List com.sun.tools.javac.code.Symbol$TypeSymbol.getEnclosedElements

  • Fixed NoSuchMethodError crash in HidingField (#2092)
  • Fixed NoSuchElementException crash in RestrictedApiChecker (#2099)
  • False positive in DifferentNameButSame (#2094)
  • False positive in UnnecessaryOptionalGet (#2101)
  • False positive in UnnecessaryMethodReference (#2102)
  • Fixed a regression in JDK 16-EA support (#2105)
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Error Prone 2.5.0

12 Jan 21:24
@cushon cushon
v2.5.0
45ad90d
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Error Prone 2.5.0

New checks:

Fixed issues: #1044 #1177 #1275 #1322 #1326 #1503 #1529 #1563 #1645 #1650 #1652 #1653 #1655 #1665 #1670 #1672 #1694 #1699 #1705 #1767 #1788 #1809 #1849 #1873 #1916 #1981 #1982 #1986 #1987 #2009 #2026 #2029 #2059 #2064

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Error Prone 2.4.0

29 May 19:52
@cushon cushon
v2.4.0
1e2c8ac
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Error Prone 2.4.0

Support for latest JDK versions: Error Prone is now compatible with JDK 8 through JDK 14, as well as early access builds of JDK 15.

New checks:

Fixed issues: #1070, #1106, #1107, #1110, #1111, #1187, #1208, #1239, #1265, #1428, #1432, #1433, #1439, #1444, #1447, #1449, #1451, #1454, #1455, #1458, #1462, #1473, #1491, #1531, #1558, #1565, #1570, #1573, #1586, #1587, #1590, #1591, #1602, #1606, #1609, #1624, #776, #785, #930

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Error Prone 2.3.4

02 Dec 23:15
@epmjohnston epmjohnston
v2.3.4
6309061
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Error Prone 2.3.4

Performance Improvements: 40% speedup when run against Google's codebase with errors enabled.

New Checks:

Removed, moved, or disabled:

  • Moved Mockito checks into Mockito Error Prone Subproject.
  • Merged PreconditionsCheckNotNull and PreconditionsCheckNotNullPrimitive into UnnecessaryCheckNotNull.
  • Deleted DeprecatedThreadMethods in favour of general-purpose deprecation warnings.
  • Disabled ProvidesFixChecker as it causes too much noise.

Fixed issues: #1106, #1225, #1231, #1234, #1238, #1241, #1246, #1252, #1259, #1260, #1271, #1274, #1287, #1308, #1316, #1329, #1373, #1391, #1408

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Error Prone 2.3.3

20 Mar 18:31
@cushon cushon
v2.3.3
24f4d7d
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Error Prone 2.3.3

New checks:

  • AssignmentToMock: Fields annotated with @mock should not be manually assigned to.
  • AutoValueImmutableFields: AutoValue recommends using immutable collections
  • CompareToZero: The result of #compareTo or #compare should only be compared to 0. It is an implementation detail whether a given type returns strictly the values {-1, 0, +1} or others.
  • DeduplicateConstants: This expression was previously declared as a constant; consider replacing this occurrence.
  • DiscardedPostfixExpression: The result of this unary operation on a lambda parameter is discarded
  • DuplicateMapKeys: Map#ofEntries will throw an IllegalArgumentException if there are any duplicate keys
  • EscapedEntity: HTML entities in @code/@literal tags will appear literally in the rendered javadoc.
  • InheritDoc: Invalid use of @inheritdoc.
  • InterfaceWithOnlyStatics: This interface only contains static fields and methods; consider making it a final class instead to prevent subclassing.
  • InvalidBlockTag: This tag is invalid.
  • InvalidInlineTag: This tag is invalid.
  • MissingSummary: A summary line is required on public/protected Javadocs.
  • MixedDescriptors: The field number passed into #getFieldByNumber belongs to a different proto to the Descriptor.
  • MixedMutabilityReturnType: This method returns both mutable and immutable collections or maps from different paths. This may be confusing for users of the method.
  • MockitoInternalUsage: org.mockito.internal.* is a private API and should not be used by clients
  • OptionalMapToOptional: Mapping to another Optional will yield a nested Optional. Did you mean flatMap?
  • OutlineNone: Setting CSS outline style to none or 0 (while not otherwise providing visual focus indicators) is inaccessible for users navigating a web page without a mouse.
  • PreconditionsCheckNotNullRepeated: Including the first argument of checkNotNull in the failure message is not useful, as it will always be null.
  • RedundantOverride: This override is redundant, and can be removed.
  • RefersToDaggerCodegen: Don't refer to Dagger's internal or generated code
  • RxReturnValueIgnored: Returned Rx objects must be checked. Ignoring a returned Rx value means it is never scheduled for execution
  • TreeToString: Tree#toString shouldn't be used for Trees deriving from the code being compiled, as it discards whitespace and comments.
  • TypeEquals: com.sun.tools.javac.code.Type doesn't override Object.equals and instances are not interned by javac, so testing types for equality should be done with Types#isSameType instead
  • UnescapedEntity: Javadoc is interpreted as HTML, so HTML entities such as &, <, > must be escaped.
  • UnusedMethod: Unused.
  • UnusedNestedClass: This nested class is unused, and can be removed.
  • UnusedVariable: Unused.

New date and time related checks:

  • JavaDurationGetSecondsGetNano: duration.getNano() only accesses the underlying nanosecond adjustment from the whole second.
  • JavaDurationWithNanos: Use of java.time.Duration.withNanos(int) is not allowed.
  • JavaDurationWithSeconds: Use of java.time.Duration.withSeconds(long) is not allowed.
  • JavaInstantGetSecondsGetNano: instant.getNano() only accesses the underlying nanosecond adjustment from the whole second.
  • JavaTimeDefaultTimeZone: java.time APIs that silently use the default system time-zone are not allowed.
  • JodaDurationConstructor: Use of new Duration(long) is not allowed. Please use Duration.millis(long) instead.
  • JodaDurationWithMillis: Use of duration.withMillis(long) is not allowed. Please use Duration.millis(long) instead.
  • JodaInstantWithMillis: Use of instant.withMillis(long) is not allowed. Please use new Instant(long) instead.
  • JodaNewPeriod: This may have surprising semantics, e.g. new Period(LocalDate.parse("1970-01-01"), LocalDate.parse("1970-02-02")).getDays() == 1, not 32.
  • JodaPlusMinusLong: Use of JodaTime's type.plus(long) or type.minus(long) is not allowed (where = {Duration,Instant,DateTime,DateMidnight}). Please use type.plus(Duration.millis(long)) or type.minus(Duration.millis(long)) instead.
  • JodaTimeConverterManager: Joda-Time's ConverterManager makes the semantics of DateTime/Instant/etc construction subject to global static state. If you need to define your own converters, use a helper.
  • JodaToSelf: Use of Joda-Time's DateTime.toDateTime(), Duration.toDuration(), Instant.toInstant(), Interval.toInterval(), and Period.toPeriod() are not allowed.
  • JodaWithDurationAddedLong: Use of JodaTime's type.withDurationAdded(long, int) (where = {Duration,Instant,DateTime}). Please use type.withDurationAdded(Duration.millis(long), int) instead.
  • TemporalAccessorGetChronoField: TemporalAccessor.get() only works for certain values of ChronoField.
  • TimeUnitConversionChecker: This TimeUnit conversion looks buggy: converting from a smaller unit to a larger unit (and passing a constant), converting to/from the same TimeUnit, or converting TimeUnits where the result is statically known to be 0 or 1 are all buggy patterns.
  • DurationFrom: Duration.from(Duration) returns itself; from(Period) throws a runtime exception.
  • DurationGetTemporalUnit: Duration.get() only works with SECONDS or NANOS.
  • DurationToLongTimeUnit: Unit mismatch when decomposing a Duration or Instant to call a <long, TimeUnit> API
  • InvalidZoneId: Invalid zone identifier. ZoneId.of(String) will throw exception at runtime.
  • PeriodFrom: Period.from(Period) returns itself; from(Duration) throws a runtime exception.
  • PeriodGetTemporalUnit: Period.get() only works with YEARS, MONTHS, or DAYS.
  • PeriodTimeMath: When adding or subtracting from a Period, Duration is incompatible.
  • ProtoDurationGetSecondsGetNano: getNanos() only accesses the underlying nanosecond-adjustment of the duration.
  • ProtoTimestampGetSecondsGetNano: getNanos() only accesses the underlying nanosecond-adjustment of the instant.
  • ProtoTruthMixedDescriptors: The arguments passed to ignoringFields are inconsistent with the proto which is the subject of the assertion.
  • TimeUnitMismatch: An value that appears to be represented in one unit is used where another appears to be required (e.g., seconds where nanos are needed)

API changes:

  • @BugPattern.category is no longer supported; prefer @BugPattern.tags as a means to apply general tags to checks.

Other changes:

  • Suppress checks thoroughly when -XepDisableWarningsInGeneratedCode is passed.
  • Make UnusedVariable match unused assignments too.
  • Handle static methods in InfiniteRecursion
  • Add common java.time types to ReturnValueIgnored.
  • ModifiedButNotUsed: match orphaned chains of proto/collection builders
  • Improve NarrowingCompoundAssignment's fixes for ternary
  • Allow suppressing AutoValueImmutableFields at the field level rather than just for the entire class...
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Error Prone 2.3.2

11 Oct 18:58
@epmjohnston epmjohnston
v2.3.2
28647b1
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Error Prone 2.3.2

Highlights:

  • Opt-in check AndroidJdkLibsChecker enforces which JDK libraries can be used in Android applications, and, with the -XepOpt:Android:Java8Libs flag, can allow select Java 8 library support via https://developer.android.com/studio/write/java8-support. Look out for this in bazel.build after the next release.
  • Immutable{Annotation,Enum}Checker now requires the Error Prone @Immutable annotation, not the JSR-305 @Immutable annotation

New Checks:

Fixes Issues:

#1008, #1028, #1038, #1040, #1077, #1078, #1079, #1083, #1084, #1085, #1095, #1096, #1101, #1125, #1129, #1130, #35, #607, #783, #849, #926

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Error Prone 2.3.1

20 Apr 22:36
@eaftan eaftan
v2.3.1
083dae3
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Error Prone 2.3.1

New checks:

  • [AssertThrowsMultipleStatements] The lambda passed to assertThows should contain exactly one statement
  • [FieldCanBeFinal] This field is only assigned during initialization; consider making it final
  • [ObjectToString] Calling toString on Objects that don't override toString() doesn't provide useful information

Other changes:

  • Make ParcelableCreator check an ERROR
  • OrphanedFormatString detects string literals correctly passed to @FormatMethod methods

Fixes issues: #996, #999, #1001, #1004

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