alibaba/java-dns-cache-manipulator

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Use $(..) instead of legacy ...
Open

      javaHome="`dirname \"$javaExecutable\"`"
Severity: Minor
Found in tool/src/bin/dcm by shellcheck

Use $(STATEMENT) instead of legacy `STATEMENT`

Problematic code

echo "Current time: `date`"

Correct code

echo "Current time: $(date)"

Rationale

Backtick command substitution `STATEMENT` is legacy syntax with several issues.

  1. It has a series of undefined behaviors related to quoting in POSIX.
  2. It imposes a custom escaping mode with surprising results.
  3. It's exceptionally hard to nest.

$(STATEMENT) command substitution has none of these problems, and is therefore strongly encouraged.

Exceptions

None.

See also

Notice

Original content from the ShellCheck https://github.com/koalaman/shellcheck/wiki.

Inline HTML
Open

<a href="https://www.apache.org/licenses/LICENSE-2.0.html"><img src="https://img.shields.io/github/license/alibaba/java-dns-cache-manipulator?color=4D7A97&logo=apache" alt="License"></a>
Severity: Info
Found in docs/zh-CN/library.md by markdownlint

MD033 - Inline HTML

Tags: html

Aliases: no-inline-html

This rule is triggered whenever raw HTML is used in a markdown document:

Inline HTML header

To fix this, use 'pure' markdown instead of including raw HTML:

# Markdown header

Rationale: Raw HTML is allowed in markdown, but this rule is included for those who want their documents to only include "pure" markdown, or for those who are rendering markdown documents in something other than HTML.

Inline HTML
Open

<a href="https://www.apache.org/licenses/LICENSE-2.0.html"><img src="https://img.shields.io/github/license/alibaba/java-dns-cache-manipulator?color=4D7A97&logo=apache" alt="License"></a>
Severity: Info
Found in docs/zh-CN/library.md by markdownlint

MD033 - Inline HTML

Tags: html

Aliases: no-inline-html

This rule is triggered whenever raw HTML is used in a markdown document:

Inline HTML header

To fix this, use 'pure' markdown instead of including raw HTML:

# Markdown header

Rationale: Raw HTML is allowed in markdown, but this rule is included for those who want their documents to only include "pure" markdown, or for those who are rendering markdown documents in something other than HTML.

Inline HTML
Open

<a href="https://github.com/alibaba/java-dns-cache-manipulator/releases"><img src="https://img.shields.io/github/release/alibaba/java-dns-cache-manipulator.svg" alt="GitHub release"></a>
Severity: Info
Found in docs/zh-CN/library.md by markdownlint

MD033 - Inline HTML

Tags: html

Aliases: no-inline-html

This rule is triggered whenever raw HTML is used in a markdown document:

Inline HTML header

To fix this, use 'pure' markdown instead of including raw HTML:

# Markdown header

Rationale: Raw HTML is allowed in markdown, but this rule is included for those who want their documents to only include "pure" markdown, or for those who are rendering markdown documents in something other than HTML.

Inline HTML
Open

<a href="https://github.com/alibaba/java-dns-cache-manipulator/stargazers"><img src="https://img.shields.io/github/stars/alibaba/java-dns-cache-manipulator?style=flat" alt="GitHub Stars"></a>
Severity: Info
Found in docs/zh-CN/library.md by markdownlint

MD033 - Inline HTML

Tags: html

Aliases: no-inline-html

This rule is triggered whenever raw HTML is used in a markdown document:

Inline HTML header

To fix this, use 'pure' markdown instead of including raw HTML:

# Markdown header

Rationale: Raw HTML is allowed in markdown, but this rule is included for those who want their documents to only include "pure" markdown, or for those who are rendering markdown documents in something other than HTML.

Line length
Open

<a href="https://github.com/alibaba/java-dns-cache-manipulator/graphs/contributors"><img src="https://img.shields.io/github/contributors/alibaba/java-dns-cache-manipulator" alt="GitHub Contributors"></a>
Severity: Info
Found in docs/developer-guide.md by markdownlint

MD013 - Line length

Tags: line_length

Aliases: line-length Parameters: linelength, codeblocks, tables (number; default 80, boolean; default true)

This rule is triggered when there are lines that are longer than the configured line length (default: 80 characters). To fix this, split the line up into multiple lines.

This rule has an exception where there is no whitespace beyond the configured line length. This allows you to still include items such as long URLs without being forced to break them in the middle.

You also have the option to exclude this rule for code blocks and tables. To do this, set the code_blocks and/or tables parameters to false.

Code blocks are included in this rule by default since it is often a requirement for document readability, and tentatively compatible with code rules. Still, some languages do not lend themselves to short lines.

Line length
Open

The DNS Cache of the JVM is maintained in the private field of the InetAddress class and is set by reflection. For specific implementation, see
Severity: Info
Found in docs/developer-guide.md by markdownlint

MD013 - Line length

Tags: line_length

Aliases: line-length Parameters: linelength, codeblocks, tables (number; default 80, boolean; default true)

This rule is triggered when there are lines that are longer than the configured line length (default: 80 characters). To fix this, split the line up into multiple lines.

This rule has an exception where there is no whitespace beyond the configured line length. This allows you to still include items such as long URLs without being forced to break them in the middle.

You also have the option to exclude this rule for code blocks and tables. To do this, set the code_blocks and/or tables parameters to false.

Code blocks are included in this rule by default since it is often a requirement for document readability, and tentatively compatible with code rules. Still, some languages do not lend themselves to short lines.

Inline HTML
Open

<a href="https://github.com/alibaba/java-dns-cache-manipulator/network/dependents"><img src="https://badgen.net/github/dependents-repo/alibaba/java-dns-cache-manipulator?label=user%20repos" alt="user repos"></a>
Severity: Info
Found in docs/developer-guide.md by markdownlint

MD033 - Inline HTML

Tags: html

Aliases: no-inline-html

This rule is triggered whenever raw HTML is used in a markdown document:

Inline HTML header

To fix this, use 'pure' markdown instead of including raw HTML:

# Markdown header

Rationale: Raw HTML is allowed in markdown, but this rule is included for those who want their documents to only include "pure" markdown, or for those who are rendering markdown documents in something other than HTML.

Can't follow non-constant source. Use a directive to specify location.
Open

source "$BASH_BUDDY_ROOT/lib/maven_utils.sh"
Severity: Minor
Found in scripts/integration_test by shellcheck

Can't follow non-constant source. Use a directive to specify location.

Problematic code:

. "$(find_install_dir)/lib.sh"

Correct code:

# shellcheck source=src/lib.sh
. "$(find_install_dir)/lib.sh"

Rationale:

ShellCheck is not able to include sourced files from paths that are determined at runtime. The file will not be read, potentially resulting in warnings about unassigned variables and similar.

Use a [[Directive]] to point shellcheck to a fixed location it can read instead.

Exceptions:

If you don't care that ShellCheck is unable to account for the file, specify # shellcheck source=/dev/null.

Notice

Original content from the ShellCheck https://github.com/koalaman/shellcheck/wiki.

Use $(..) instead of legacy ...
Open

    JAVA_HOME=`java-config --jre-home`
Severity: Minor
Found in tool/src/bin/dcm by shellcheck

Use $(STATEMENT) instead of legacy `STATEMENT`

Problematic code

echo "Current time: `date`"

Correct code

echo "Current time: $(date)"

Rationale

Backtick command substitution `STATEMENT` is legacy syntax with several issues.

  1. It has a series of undefined behaviors related to quoting in POSIX.
  2. It imposes a custom escaping mode with surprising results.
  3. It's exceptionally hard to nest.

$(STATEMENT) command substitution has none of these problems, and is therefore strongly encouraged.

Exceptions

None.

See also

Notice

Original content from the ShellCheck https://github.com/koalaman/shellcheck/wiki.

Use $(..) instead of legacy ...
Open

    JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
Severity: Minor
Found in tool/src/bin/dcm by shellcheck

Use $(STATEMENT) instead of legacy `STATEMENT`

Problematic code

echo "Current time: `date`"

Correct code

echo "Current time: $(date)"

Rationale

Backtick command substitution `STATEMENT` is legacy syntax with several issues.

  1. It has a series of undefined behaviors related to quoting in POSIX.
  2. It imposes a custom escaping mode with surprising results.
  3. It's exceptionally hard to nest.

$(STATEMENT) command substitution has none of these problems, and is therefore strongly encouraged.

Exceptions

None.

See also

Notice

Original content from the ShellCheck https://github.com/koalaman/shellcheck/wiki.

Inline HTML
Open

<a href="https://github.com/alibaba/java-dns-cache-manipulator/actions/workflows/ci.yaml"><img src="https://img.shields.io/github/actions/workflow/status/alibaba/java-dns-cache-manipulator/ci.yaml?branch=main&logo=github&logoColor=white&label=fast ci" alt="Github Workflow Build Status"></a>
Severity: Info
Found in docs/zh-CN/library.md by markdownlint

MD033 - Inline HTML

Tags: html

Aliases: no-inline-html

This rule is triggered whenever raw HTML is used in a markdown document:

Inline HTML header

To fix this, use 'pure' markdown instead of including raw HTML:

# Markdown header

Rationale: Raw HTML is allowed in markdown, but this rule is included for those who want their documents to only include "pure" markdown, or for those who are rendering markdown documents in something other than HTML.

Inline HTML
Open

<a href="https://github.com/alibaba/java-dns-cache-manipulator/actions/workflows/strong_ci.yaml"><img src="https://img.shields.io/github/actions/workflow/status/alibaba/java-dns-cache-manipulator/strong_ci.yaml?branch=main&logo=github&logoColor=white&label=strong ci" alt="Github Workflow Build Status"></a>
Severity: Info
Found in docs/zh-CN/library.md by markdownlint

MD033 - Inline HTML

Tags: html

Aliases: no-inline-html

This rule is triggered whenever raw HTML is used in a markdown document:

Inline HTML header

To fix this, use 'pure' markdown instead of including raw HTML:

# Markdown header

Rationale: Raw HTML is allowed in markdown, but this rule is included for those who want their documents to only include "pure" markdown, or for those who are rendering markdown documents in something other than HTML.

Line length
Open

<a href="https://openjdk.java.net/"><img src="https://img.shields.io/badge/Java-8+-339933?logo=openjdk&logoColor=white" alt="Java support"></a>
Severity: Info
Found in docs/developer-guide.md by markdownlint

MD013 - Line length

Tags: line_length

Aliases: line-length Parameters: linelength, codeblocks, tables (number; default 80, boolean; default true)

This rule is triggered when there are lines that are longer than the configured line length (default: 80 characters). To fix this, split the line up into multiple lines.

This rule has an exception where there is no whitespace beyond the configured line length. This allows you to still include items such as long URLs without being forced to break them in the middle.

You also have the option to exclude this rule for code blocks and tables. To do this, set the code_blocks and/or tables parameters to false.

Code blocks are included in this rule by default since it is often a requirement for document readability, and tentatively compatible with code rules. Still, some languages do not lend themselves to short lines.

Line length
Open

Taking JDK 8 as an example, by looking at the implementation of the InetAddress class, it can be determined that thread safety is ensured by the synchronized block with the addressCache field as the lock.
Severity: Info
Found in docs/developer-guide.md by markdownlint

MD013 - Line length

Tags: line_length

Aliases: line-length Parameters: linelength, codeblocks, tables (number; default 80, boolean; default true)

This rule is triggered when there are lines that are longer than the configured line length (default: 80 characters). To fix this, split the line up into multiple lines.

This rule has an exception where there is no whitespace beyond the configured line length. This allows you to still include items such as long URLs without being forced to break them in the middle.

You also have the option to exclude this rule for code blocks and tables. To do this, set the code_blocks and/or tables parameters to false.

Code blocks are included in this rule by default since it is often a requirement for document readability, and tentatively compatible with code rules. Still, some languages do not lend themselves to short lines.

Inline HTML
Open

<p align="center">
Severity: Info
Found in docs/developer-guide.md by markdownlint

MD033 - Inline HTML

Tags: html

Aliases: no-inline-html

This rule is triggered whenever raw HTML is used in a markdown document:

Inline HTML header

To fix this, use 'pure' markdown instead of including raw HTML:

# Markdown header

Rationale: Raw HTML is allowed in markdown, but this rule is included for those who want their documents to only include "pure" markdown, or for those who are rendering markdown documents in something other than HTML.

Inline HTML
Open

<a href="https://github.com/alibaba/java-dns-cache-manipulator/actions/workflows/strong_ci.yaml"><img src="https://img.shields.io/github/actions/workflow/status/alibaba/java-dns-cache-manipulator/strong_ci.yaml?branch=main&logo=github&logoColor=white&label=strong ci" alt="Github Workflow Build Status"></a>
Severity: Info
Found in docs/developer-guide.md by markdownlint

MD033 - Inline HTML

Tags: html

Aliases: no-inline-html

This rule is triggered whenever raw HTML is used in a markdown document:

Inline HTML header

To fix this, use 'pure' markdown instead of including raw HTML:

# Markdown header

Rationale: Raw HTML is allowed in markdown, but this rule is included for those who want their documents to only include "pure" markdown, or for those who are rendering markdown documents in something other than HTML.

Inline HTML
Open

<a href="https://github.com/alibaba/java-dns-cache-manipulator/actions/workflows/ci.yaml"><img src="https://img.shields.io/github/actions/workflow/status/alibaba/java-dns-cache-manipulator/ci.yaml?branch=main&logo=github&logoColor=white&label=fast ci" alt="Github Workflow Build Status"></a>
Severity: Info
Found in docs/developer-guide.md by markdownlint

MD033 - Inline HTML

Tags: html

Aliases: no-inline-html

This rule is triggered whenever raw HTML is used in a markdown document:

Inline HTML header

To fix this, use 'pure' markdown instead of including raw HTML:

# Markdown header

Rationale: Raw HTML is allowed in markdown, but this rule is included for those who want their documents to only include "pure" markdown, or for those who are rendering markdown documents in something other than HTML.

Inline HTML
Open

<a href="https://alibaba.github.io/java-dns-cache-manipulator/apidocs/"><img src="https://img.shields.io/github/release/alibaba/java-dns-cache-manipulator?label=javadoc&color=339933&logo=read-the-docs&logoColor=white" alt="Javadocs"></a>
Severity: Info
Found in docs/developer-guide.md by markdownlint

MD033 - Inline HTML

Tags: html

Aliases: no-inline-html

This rule is triggered whenever raw HTML is used in a markdown document:

Inline HTML header

To fix this, use 'pure' markdown instead of including raw HTML:

# Markdown header

Rationale: Raw HTML is allowed in markdown, but this rule is included for those who want their documents to only include "pure" markdown, or for those who are rendering markdown documents in something other than HTML.

Inline HTML
Open

<a href="https://github.com/alibaba/java-dns-cache-manipulator/fork"><img src="https://img.shields.io/github/forks/alibaba/java-dns-cache-manipulator?style=flat" alt="GitHub Forks"></a>
Severity: Info
Found in docs/developer-guide.md by markdownlint

MD033 - Inline HTML

Tags: html

Aliases: no-inline-html

This rule is triggered whenever raw HTML is used in a markdown document:

Inline HTML header

To fix this, use 'pure' markdown instead of including raw HTML:

# Markdown header

Rationale: Raw HTML is allowed in markdown, but this rule is included for those who want their documents to only include "pure" markdown, or for those who are rendering markdown documents in something other than HTML.

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