### Environment

* Dubbo version: 2.7.3
* Operating System version: win 10
* Java version: 1.8

系统启动时报
Caused by: java.lang.IllegalArgumentException: Unsupported generic type false
	at org.apache.dubbo.config.ServiceConfig.setGeneric(ServiceConfig.java:1015)

这个错误只有在2.7.3的时候存在，在使用2.7.2的时候没有
checkMock(interfaceClass);
    }
    /**
     * Determine if it is injvm
     *
     * @return
     */
    private boolean isOnlyInJvm() {
        return getProtocols().size() == 1 && LOCAL_PROTOCOL.equalsIgnoreCase(getProtocols().get(0).getName());
    }
    public synchronized void export() {
        checkAndUpdateSubConfigs();
        if (!shouldExport()) {
            return;
        }
        if (shouldDelay()) {
            DELAY_EXPORT_EXECUTOR.schedule(this::doExport, getDelay(), TimeUnit.MILLISECONDS);
        } else {
            doExport();
        }
    }
    private boolean shouldExport() {
        Boolean export = getExport();
        // 
        return export == null ? true : export;
    }
    @Override
    public Boolean getExport() {
        return (export == null && provider != null) ? provider.getExport() : export;
    }