Spring Boot - Font Awesome OTS parsing error: Failed to convert（ Failed to decode downloaded font）

The issue is that Maven was filtering the font files and corrupting them.

    <resource><directory>${project.basedir}/src/main/resources</directory><filtering>true</filtering></resource>

The fix was to make the following changes to the pom.xml

    <resource><directory>${project.basedir}/src/main/resources</directory><filtering>true</filtering><excludes><exclude>static/fonts/**</exclude></excludes></resource><resource><directory>${project.basedir}/src/main/resources</directory><filtering>false</filtering><includes><include>static/fonts/**</include></includes></resource>

This change allows for the fonts to not be filtered during packaging.

参考：https://stackoverflow.com/questions/34037051/spring-boot-font-awesome-ots-parsing-error-failed-to-convert