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??-February-2019 - 6.12.0

The PMD team is pleased to announce PMD 6.12.0.

This is a minor release.

New and noteworthy

PMD’s logo was great for a long time. But now we want to take the opportunity with the next major release to change our logo in order to use a more “politically correct” one.

Learn more about how to participate on github issue 1663.

CPD Suppression for Antlr-based languages

ITBA students Matías Fraga, Tomi De Lucca and Lucas Soncini keep working on bringing full Antlr support to PMD. For this release, they have implemented token filtering in an equivalent way as we did for JavaCC languages, adding support for CPD suppressions through CPD-OFF and CPD-ON comments for all Antlr-based languages.

This means, you can now ignore arbitrary blocks of code on:

  • Go
  • Kotlin
  • Swift

Simply start the suppression with any comment (single or multiline) containing CPD-OFF, and resume again with a comment containing CPD-ON.

More information is available in the user documentation.

PL/SQL Grammar improvements

  • In this release, many more parser bugs in our PL/SQL support have been fixed. This adds more complete support for UPDATE statements and subqueries and hierarchical queries in SELECT statements.
  • Support for analytic functions such as LISTAGG has been added.
  • Conditions in WHERE clauses support now REGEX_LIKE and multiset conditions.

New Rules

  • The new Java rule UseTryWithResources (apex-codestyle) has a new property skipTestMethodUnderscores, which is by default disabled. The new property allows for ignoring all test methods, either using the testMethod modifier or simply annotating them @isTest.

Fixed Issues

  • all
    • #1462: [core] Failed build on Windows with source zip archive
    • #1559: [core] CPD: Lexical error in file (no file name provided)
    • #1671: [doc] Wrong escaping in suppressing warnings for nopmd-comment
    • #1693: [ui] Improved error reporting for the designer
  • java-bestpractices
    • #808: [java] AccessorMethodGeneration false positives with compile time constants
    • #1405: [java] New Rule: UseTryWithResources - Replace close and IOUtils.closeQuietly with try-with-resources
    • #1555: [java] UnusedImports false positive for method parameter type in @see Javadoc
  • java-codestyle
    • #1543: [java] LinguisticNaming should ignore overriden methods
    • #1547: [java] AtLeastOneConstructorRule: false-positive with lombok.AllArgsConstructor
    • #1624: [java] UseDiamondOperator false positive with var initializer
  • java-design
    • #1641: [java] False-positive with Lombok and inner classes
  • java-errorprone
    • #780: [java] BeanMembersShouldSerializeRule does not recognize lombok accessors
  • java-multithreading
    • #1633: [java] UnsynchronizedStaticFormatter reports commons lang FastDateFormat
  • java-performance
    • #1632: [java] ConsecutiveLiteralAppends false positive over catch
  • plsql
    • #1587: [plsql] ParseException with EXISTS
    • #1589: [plsql] ParseException with subqueries in WHERE clause
    • #1590: [plsql] ParseException when using hierarchical query clause
    • #1656: [plsql] ParseException with analytic functions, trim and subqueries
  • designer
    • #1679: [ui] No default language version selected

API Changes

External Contributions

  • #1623: [java] Fix lombok.AllArgsConstructor support - Bobby Wertman
  • #1625: [java] UnusedImports false positive for method parameter type in @see Javadoc - Shubham
  • #1628: [java] LinguisticNaming should ignore overriden methods - Shubham
  • #1634: [java] BeanMembersShouldSerializeRule does not recognize lombok accessors - Shubham
  • #1635: [java] UnsynchronizedStaticFormatter reports commons lang FastDateFormat - Shubham
  • #1637: [java] Compile time constants initialized by literals avoided by AccessorMethodGenerationRule - Shubham
  • #1640: [java] Update instead of override classHasLombokAnnotation flag - Phokham Nonava
  • #1644: [apex] Add property to allow apex test methods to contain underscores - Tom
  • #1645: [java] ConsecutiveLiteralAppends false positive - Shubham
  • #1646: [java] UseDiamondOperator doesn’t work with var - Shubham
  • #1654: [core] Antlr token filter - Tomi De Lucca
  • #1655: [kotlin] Kotlin tokenizer refactor - Lucas Soncini
  • #1686: [doc] Replaced wrong escaping with “>” - Himanshu Pandey