SpringBoot中FailureAnalyzer的使用详解

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot</artifactId>
</dependency>

@Getter
@AllArgsConstructor
public class FailureAnalysis {
    private final String description;
    private final String action;
    private final Throwable cause;
}

public interface FailureAnalyzer {
    FailureAnalysis analyze(Throwable var1);
}

# Failure analyzers
org.springframework.boot.diagnostics.FailureAnalyzer=\
org.springframework.boot.autoconfigure.diagnostics.analyzer.NoSuchBeanDefinitionFailureAnalyzer,\
org.springframework.boot.autoconfigure.jdbc.DataSourceBeanCreationFailureAnalyzer,\
org.springframework.boot.autoconfigure.jdbc.HikariDriverConfigurationFailureAnalyzer

public interface FailureAnalysisReporter {
    void report(FailureAnalysis var1);
}

@NoArgsConstructor
public final class LoggingFailureAnalysisReporter implements FailureAnalysisReporter {
    public void report(FailureAnalysis failureAnalysis) {
		logger.debug("Application failed to start due to an exception", failureAnalysis.getCause());
        logger.error(this.buildMessage(failureAnalysis));
    }
    private String buildMessage(FailureAnalysis failureAnalysis) {
        StringBuilder builder = new StringBuilder();
        builder.append(String.format("%n%n"));
        builder.append(String.format("***************************%n"));
        builder.append(String.format("APPLICATION FAILED TO START%n"));
        builder.append(String.format("***************************%n%n"));
        builder.append(String.format("Description:%n%n"));
        builder.append(String.format("%s%n", failureAnalysis.getDescription()));
        if (StringUtils.hasText(failureAnalysis.getAction())) {
            builder.append(String.format("%nAction:%n%n"));
            builder.append(String.format("%s%n", failureAnalysis.getAction()));
        }
        return builder.toString();
    }
}