エラーは次のとおりです。
org.thymeleaf.exceptions.TemplateInputException: Error resolving template "xxx/xxx", template might not exist or might not be accessible by any of the configured Template Resolvers
at org.thymeleaf.engine.TemplateManager.resolveTemplate(TemplateManager.java:865) ~[thymeleaf-3.0.2.RELEASE.jar:3.0.2.RELEASE]
at org.thymeleaf.engine.TemplateManager.parseAndProcess(TemplateManager.java:608) ~[thymeleaf-3.0.2.RELEASE.jar:3.0.2.RELEASE]
at org.thymeleaf.TemplateEngine.process(TemplateEngine.java:1087) [thymeleaf-3.0.2.RELEASE.jar:3.0.2.RELEASE]
at org.thymeleaf.TemplateEngine.process(TemplateEngine.java:1061) [thymeleaf-3.0.2.RELEASE.jar:3.0.2.RELEASE]
解決策:
他のすべての構成が正常な場合、次のステートメントを pom.xml に追加します。
<build>
<resources>
<resource>
<directory>src/main/resources</directory>
</resource>
</resources>
</build>