Bump spotbugs from 4.6.0 to 4.7.0 #87

Bump spotbugs from 4.6.0 to 4.7.0 (#87)

Bumps [spotbugs](https://github.com/spotbugs/spotbugs) from 4.6.0 to 4.7.0.
- [Release notes](https://github.com/spotbugs/spotbugs/releases)
- [Changelog](https://github.com/spotbugs/spotbugs/blob/master/CHANGELOG.md)
- [Commits](https://github.com/spotbugs/spotbugs/compare/4.6.0...4.7.0)

---
updated-dependencies:
- dependency-name: com.github.spotbugs:spotbugs
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Merge pull request #86 from apache/dependabot/github_actions/github/codeql-action-2

Bump github/codeql-action from 1 to 2

Bump github/codeql-action from 1 to 2

Bumps [github/codeql-action](https://github.com/github/codeql-action) from 1 to 2.
- [Release notes](https://github.com/github/codeql-action/releases)
- [Changelog](https://github.com/github/codeql-action/blob/main/CHANGELOG.md)
- [Commits](https://github.com/github/codeql-action/compare/v1...v2)

---
updated-dependencies:
- dependency-name: github/codeql-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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Replace comparisons String.indexOf() with String.contains() method. (#85)

Merge pull request #84 from arturobernalg/feature/simplify_assert

 Simplify assert with simpler and equivalent calls.

 Simplify assert with simpler and equivalent calls.

Bump actions/setup-java from 2 to 3

Bump actions/cache from 3 to 3.0.2

Group some updates.

Merge pull request #82 from apache/dependabot/maven/org.apache.commons-commons-parent-53

Bump commons-parent from 52 to 53

Bump commons-parent from 52 to 53

Bumps commons-parent from 52 to 53.

---
updated-dependencies:
- dependency-name: org.apache.commons:commons-parent
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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Bump spotbugs from 4.5.3 to 4.6.0 #81

Bump spotbugs from 4.5.3 to 4.6.0 (#81)

Bumps [spotbugs](https://github.com/spotbugs/spotbugs) from 4.5.3 to 4.6.0.
- [Release notes](https://github.com/spotbugs/spotbugs/releases)
- [Changelog](https://github.com/spotbugs/spotbugs/blob/master/CHANGELOG.md)
- [Commits](https://github.com/spotbugs/spotbugs/compare/4.5.3...4.6.0)

---
updated-dependencies:
- dependency-name: com.github.spotbugs:spotbugs
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Bump maven-dependency-plugin from 3.2.0 to 3.3.0 #79

Bump maven-dependency-plugin from 3.2.0 to 3.3.0 (#79)

Bumps [maven-dependency-plugin](https://github.com/apache/maven-dependency-plugin) from 3.2.0 to 3.3.0.
- [Release notes](https://github.com/apache/maven-dependency-plugin/releases)
- [Commits](https://github.com/apache/maven-dependency-plugin/compare/maven-dependency-plugin-3.2.0...maven-dependency-plugin-3.3.0)

---
updated-dependencies:
- dependency-name: org.apache.maven.plugins:maven-dependency-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Bump spotbugs-maven-plugin from 4.5.3.0 to 4.6.0.0 #78

Bump spotbugs-maven-plugin from 4.5.3.0 to 4.6.0.0 (#78)

Bumps [spotbugs-maven-plugin](https://github.com/spotbugs/spotbugs-maven-plugin) from 4.5.3.0 to 4.6.0.0.
- [Release notes](https://github.com/spotbugs/spotbugs-maven-plugin/releases)
- [Commits](https://github.com/spotbugs/spotbugs-maven-plugin/compare/spotbugs-maven-plugin-4.5.3.0...spotbugs-maven-plugin-4.6.0.0)

---
updated-dependencies:
- dependency-name: com.github.spotbugs:spotbugs-maven-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Bump actions/cache from 2.1.7 to 3 #77

Bump actions/cache from 2.1.7 to 3 (#77)

Bumps [actions/cache](https://github.com/actions/cache) from 2.1.7 to 3.
- [Release notes](https://github.com/actions/cache/releases)
- [Commits](https://github.com/actions/cache/compare/v2.1.7...v3)

---
updated-dependencies:
- dependency-name: actions/cache
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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Bump maven-pmd-plugin from 3.15.0 to 3.16.0 #76

Bump maven-pmd-plugin from 3.15.0 to 3.16.0 (#76)

Bumps [maven-pmd-plugin](https://github.com/apache/maven-pmd-plugin) from 3.15.0 to 3.16.0.
- [Release notes](https://github.com/apache/maven-pmd-plugin/releases)
- [Commits](https://github.com/apache/maven-pmd-plugin/compare/maven-pmd-plugin-3.15.0...maven-pmd-plugin-3.16.0)

---
updated-dependencies:
- dependency-name: org.apache.maven.plugins:maven-pmd-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Delete "@version $Id$" from Subversion days.

Bump actions/checkout from 2 to 3 #75

Bump actions/checkout from 2 to 3 (#75)

Bumps [actions/checkout](https://github.com/actions/checkout) from 2 to 3.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](https://github.com/actions/checkout/compare/v2...v3)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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Bump spotbugs from 4.5.2 to 4.5.3 (#74)

Bumps [spotbugs](https://github.com/spotbugs/spotbugs) from 4.5.2 to 4.5.3.
- [Release notes](https://github.com/spotbugs/spotbugs/releases)
- [Changelog](https://github.com/spotbugs/spotbugs/blob/master/CHANGELOG.md)
- [Commits](https://github.com/spotbugs/spotbugs/compare/4.5.2...4.5.3)

---
updated-dependencies:
- dependency-name: com.github.spotbugs:spotbugs
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Bump spotbugs-maven-plugin from 4.5.2.0 to 4.5.3.0 (#73)

Bumps [spotbugs-maven-plugin](https://github.com/spotbugs/spotbugs-maven-plugin) from 4.5.2.0 to 4.5.3.0.
- [Release notes](https://github.com/spotbugs/spotbugs-maven-plugin/releases)
- [Commits](https://github.com/spotbugs/spotbugs-maven-plugin/compare/spotbugs-maven-plugin-4.5.2.0...spotbugs-maven-plugin-4.5.3.0)

---
updated-dependencies:
- dependency-name: com.github.spotbugs:spotbugs-maven-plugin
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Bump actions/cache from 2.1.5 to 2.1.7 (#72)

Bumps [actions/cache](https://github.com/actions/cache) from 2.1.5 to 2.1.7.
- [Release notes](https://github.com/actions/cache/releases)
- [Commits](https://github.com/actions/cache/compare/v2.1.5...v2.1.7)

---
updated-dependencies:
- dependency-name: actions/cache
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Add CodeQL GitHub workflow.

Bump spotbugs-surefire-plugin from 2.22.2 to 3.0.0-M5.

Bump spotbugs-failsafe-plugin from 2.22.2 to 3.0.0-M5.

Use a weak reference for the cached class loader #71.

Use a weak reference for the cached class loader (#71)

This replaces the strong reference to the class loader, `thisClassLoader`,
with a weak one.

The strong ref shows up as causing a GC root after unloading a web app in Tomcat that uses this library.
With these modifications, the GC root is gone...

LOGGING-177 - Remove redundant initializer #46

LOGGING-177 - Remove redundant initializer (#46)

Bump junit from 4.13.1 to 4.13.2 #38.

Bump junit from 4.13.1 to 4.13.2 (#38)

Bumps [junit](https://github.com/junit-team/junit4) from 4.13.1 to 4.13.2.
- [Release notes](https://github.com/junit-team/junit4/releases)
- [Changelog](https://github.com/junit-team/junit4/blob/main/doc/ReleaseNotes4.13.1.md)
- [Commits](https://github.com/junit-team/junit4/compare/r4.13.1...r4.13.2)

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Bump maven-checkstyle-plugin from 3.1.1 to 3.1.2 #35.

Merge branch 'master' of https://gitbox.apache.org/repos/asf/commons-logging

Bump maven-checkstyle-plugin from 3.1.1 to 3.1.2 (#35)

Bumps [maven-checkstyle-plugin](https://github.com/apache/maven-checkstyle-plugin) from 3.1.1 to 3.1.2.
- [Release notes](https://github.com/apache/maven-checkstyle-plugin/releases)
- [Commits](https://github.com/apache/maven-checkstyle-plugin/compare/maven-checkstyle-plugin-3.1.1...maven-checkstyle-plugin-3.1.2)

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Bump actions/checkout from 2.3.4 to 2.4.0 #63.

Bump actions/checkout from 2.3.4 to 2.4.0 (#63)

Bumps [actions/checkout](https://github.com/actions/checkout) from 2.3.4 to 2.4.0.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](https://github.com/actions/checkout/compare/v2.3.4...v2.4.0)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Bump actions/cache from 2 to 2.1.5 #50
.

Bump actions/cache from 2 to 2.1.5 (#50)

Bumps [actions/cache](https://github.com/actions/cache) from 2 to 2.1.5.
- [Release notes](https://github.com/actions/cache/releases)
- [Commits](https://github.com/actions/cache/compare/v2...v2.1.5)

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Run dependabot once a week.

Drop obsolete .travis.yaml.

Bump spotbugs-maven-plugin from 4.5.0.0 to 4.5.2.0 #70.

Bump spotbugs-maven-plugin from 4.5.0.0 to 4.5.2.0 (#70)

Bumps [spotbugs-maven-plugin](https://github.com/spotbugs/spotbugs-maven-plugin) from 4.5.0.0 to 4.5.2.0.
- [Release notes](https://github.com/spotbugs/spotbugs-maven-plugin/releases)
- [Commits](https://github.com/spotbugs/spotbugs-maven-plugin/compare/spotbugs-maven-plugin-4.5.0.0...spotbugs-maven-plugin-4.5.2.0)

---
updated-dependencies:
- dependency-name: com.github.spotbugs:spotbugs-maven-plugin
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Bump maven-dependency-plugin from 3.1.2 to 3.2.0 (#69)

Bumps [maven-dependency-plugin](https://github.com/apache/maven-dependency-plugin) from 3.1.2 to 3.2.0.
- [Release notes](https://github.com/apache/maven-dependency-plugin/releases)
- [Commits](https://github.com/apache/maven-dependency-plugin/compare/maven-dependency-plugin-3.1.2...maven-dependency-plugin-3.2.0)

---
updated-dependencies:
- dependency-name: org.apache.maven.plugins:maven-dependency-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Bump maven-pmd-plugin from 3.14.0 to 3.15.0 (#68)

Bumps [maven-pmd-plugin](https://github.com/apache/maven-pmd-plugin) from 3.14.0 to 3.15.0.
- [Release notes](https://github.com/apache/maven-pmd-plugin/releases)
- [Commits](https://github.com/apache/maven-pmd-plugin/compare/maven-pmd-plugin-3.14.0...maven-pmd-plugin-3.15.0)

---
updated-dependencies:
- dependency-name: org.apache.maven.plugins:maven-pmd-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Bump spotbugs-maven-plugin from 4.2.0 to 4.5.0.0 (#65)

Bumps [spotbugs-maven-plugin](https://github.com/spotbugs/spotbugs-maven-plugin) from 4.2.0 to 4.5.0.0.
- [Release notes](https://github.com/spotbugs/spotbugs-maven-plugin/releases)
- [Commits](https://github.com/spotbugs/spotbugs-maven-plugin/compare/spotbugs-maven-plugin-4.2.0...spotbugs-maven-plugin-4.5.0.0)

---
updated-dependencies:
- dependency-name: com.github.spotbugs:spotbugs-maven-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Bump spotbugs from 4.2.0 to 4.5.2 (#67)

Bumps [spotbugs](https://github.com/spotbugs/spotbugs) from 4.2.0 to 4.5.2.
- [Release notes](https://github.com/spotbugs/spotbugs/releases)
- [Changelog](https://github.com/spotbugs/spotbugs/blob/master/CHANGELOG.md)
- [Commits](https://github.com/spotbugs/spotbugs/compare/4.2.0...4.5.2)

---
updated-dependencies:
- dependency-name: com.github.spotbugs:spotbugs
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Use Javadoc code tags instead of HTML (except when code blocks use tag
delimiters).

Update GitHub build from Java 16 to 17.

Update GitHub build from Java 17-EA to 18-EA but comment it (not there
yet).

AdoptOpenJDK is moving to the Eclipse Foundation and rebranding as
Eclipse Temurin.

Simplify expressions.

Add GitHub code of conduct page that points to the Apache page.

Update `actions/setup-java` to v2.

Replace GitHub build for Java 15 with Java 16 and drop Java 16-ea.

Revert change

Dummy change to be reverted

license-* files confuse GH license detection

No need to nest in else.

Use primitive parsing.

Use varargs.

Raise embedded if into parent if.

Normalize to US English spelling.

Normalize to US English spelling.

Minor Improvements #34.

Minor Improvement: (#34)

* Change 'StringBuffer' by 'StringBuilder'
* Fix javadoc
* Remove redundant initializer
* Use Empty array

Bump spotbugs-maven-plugin from 4.1.4 to 4.2.0 #33.

Bump spotbugs-maven-plugin from 4.1.4 to 4.2.0 (#33)

Bumps [spotbugs-maven-plugin](https://github.com/spotbugs/spotbugs-maven-plugin) from 4.1.4 to 4.2.0.
- [Release notes](https://github.com/spotbugs/spotbugs-maven-plugin/releases)
- [Commits](https://github.com/spotbugs/spotbugs-maven-plugin/compare/spotbugs-maven-plugin-4.1.4...spotbugs-maven-plugin-4.2.0)

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Fix Checkstyle configuration DTD link.

Remove unused import.

Add Java 17-EA to the GitHub build.

Migrate from maven-checkstyle-plugin from 2.7 to 3.1.1.

Bump servlet-api from 2.3 to 2.5 #27.

Bump servlet-api from 2.3 to 2.5 (#27)

Bumps servlet-api from 2.3 to 2.5.

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Cache Maven repo in Travis.

Add checkstyle to default goal.

Bump maven-assembly-plugin from 2.5 to 3.3.0 #30.

Merge branch 'master' of https://gitbox.apache.org/repos/asf/commons-logging.git

Bump maven-assembly-plugin from 2.5 to 3.3.0 (#30)

Bumps [maven-assembly-plugin](https://github.com/apache/maven-assembly-plugin) from 2.5 to 3.3.0.
- [Release notes](https://github.com/apache/maven-assembly-plugin/releases)
- [Commits](https://github.com/apache/maven-assembly-plugin/compare/maven-assembly-plugin-2.5...maven-assembly-plugin-3.3.0)

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Merge branch 'master' of https://gitbox.apache.org/repos/asf/commons-logging.git

Update dependencies.

- Bump maven-failsafe-plugin from 2.12 to 2.22.2 #31.
- Bump maven-dependency-plugin from 2.4 to 3.1.2 #29.
- Bump maven-pmd-plugin from 3.3 to 3.14.0 #28.

Bump maven-pmd-plugin from 3.3 to 3.14.0 (#28)

Bumps [maven-pmd-plugin](https://github.com/apache/maven-pmd-plugin) from 3.3 to 3.14.0.
- [Release notes](https://github.com/apache/maven-pmd-plugin/releases)
- [Commits](https://github.com/apache/maven-pmd-plugin/compare/maven-pmd-plugin-3.3...maven-pmd-plugin-3.14.0)

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Bump maven-dependency-plugin from 2.4 to 3.1.2 (#29)

Bumps [maven-dependency-plugin](https://github.com/apache/maven-dependency-plugin) from 2.4 to 3.1.2.
- [Release notes](https://github.com/apache/maven-dependency-plugin/releases)
- [Commits](https://github.com/apache/maven-dependency-plugin/compare/maven-dependency-plugin-2.4...maven-dependency-plugin-3.1.2)

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Bump maven-failsafe-plugin from 2.12 to 2.22.2 (#31)

Bumps [maven-failsafe-plugin](https://github.com/apache/maven-surefire) from 2.12 to 2.22.2.
- [Release notes](https://github.com/apache/maven-surefire/releases)
- [Commits](https://github.com/apache/maven-surefire/compare/surefire-2.12...surefire-2.22.2)

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Trying to fix Travis build.

Merge branch 'master' of https://gitbox.apache.org/repos/asf/commons-logging.git

Bump findbugs-maven-plugin from 2.5.2 to 3.0.5 #8.

Bump findbugs-maven-plugin from 2.5.2 to 3.0.5 (#8)

Bumps [findbugs-maven-plugin](https://github.com/gleclaire/findbugs-maven-plugin) from 2.5.2 to 3.0.5.
- [Release notes](https://github.com/gleclaire/findbugs-maven-plugin/releases)
- [Commits](https://github.com/gleclaire/findbugs-maven-plugin/commits/findbugs-maven-plugin-3.0.5)

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Typo.

Add CLIRR check to Maven default goal.

Bump clirr-maven-plugin from 2.2.2 to 2.8 #14.

Bump clirr-maven-plugin from 2.2.2 to 2.8 (#14)

Bumps [clirr-maven-plugin](https://github.com/mojohaus/clirr-maven-plugin) from 2.2.2 to 2.8.
- [Release notes](https://github.com/mojohaus/clirr-maven-plugin/releases)
- [Commits](https://github.com/mojohaus/clirr-maven-plugin/compare/clirr-maven-plugin-2.2.2...clirr-maven-plugin-2.8)

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Merge branch 'master' of https://gitbox.apache.org/repos/asf/commons-logging.git

Add clean to Maven default goal.

Bump junit from 3.8.1 to 4.13.1 #23.

Bump junit from 3.8.1 to 4.13.1 (#23)

Bumps [junit](https://github.com/junit-team/junit4) from 3.8.1 to 4.13.1.
- [Release notes](https://github.com/junit-team/junit4/releases)
- [Changelog](https://github.com/junit-team/junit4/blob/main/doc/ReleaseNotes4.13.1.md)
- [Commits](https://github.com/junit-team/junit4/commits/r4.13.1)

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Add more entries to .gitignore file #25.