<!-- If you need to report a security issue please visit https://github.com/apache/dubbo/security/policy -->

ExtensionLoader cannot be resumed after interruption.

```
java.lang.InterruptedException
  at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1302)
  at java.util.concurrent.CountDownLatch.await(CountDownLatch.java:231)
  at org.apache.dubbo.common.utils.ClassLoaderResourceLoader.loadResources(ClassLoaderResourceLoader.java:55)
  at org.apache.dubbo.common.extension.ExtensionLoader.loadDirectory(ExtensionLoader.java:1005)
  at org.apache.dubbo.common.extension.ExtensionLoader.loadDirectory(ExtensionLoader.java:943)
  at org.apache.dubbo.common.extension.ExtensionLoader.loadExtensionClasses(ExtensionLoader.java:931)
  at org.apache.dubbo.common.extension.ExtensionLoader.getExtensionClasses(ExtensionLoader.java:913)
  at org.apache.dubbo.common.extension.ExtensionLoader.createExtension(ExtensionLoader.java:752)
  at org.apache.dubbo.common.extension.ExtensionLoader.getExtension(ExtensionLoader.java:548)
  at org.apache.dubbo.common.extension.ExtensionLoader.getExtension(ExtensionLoader.java:523)
  at org.apache.dubbo.rpc.protocol.injvm.InjvmInvoker.<init>(InjvmInvoker.java:74)
```
}
        }
        if (i == 1) {
            buf.append(", no related exception was found, please check whether related SPI module is missing.");
        }
        return new IllegalStateException(buf.toString());
    }
    @SuppressWarnings("unchecked")
    private T createExtension(String name, boolean wrap) {
        Class<?> clazz = getExtensionClasses().get(name);
        if (clazz == null || unacceptableExceptions.contains(name)) {
            throw findException(name);
        }
        try {
            T instance = (T) extensionInstances.get(clazz);
            if (instance == null) {
                extensionInstances.putIfAbsent(clazz, createExtensionInstance(clazz));
                instance = (T) extensionInstances.get(clazz);
                instance = postProcessBeforeInitialization(instance, name);
                injectExtension(instance);
                instance = postProcessAfterInitialization(instance, name);
            }
            if (wrap) {
                List<Class<?>> wrapperClassesList = new ArrayList<>();
                if (cachedWrapperClasses != null) {
                    wrapperClassesList.addAll(cachedWrapperClasses);
                    wrapperClassesList.sort(WrapperComparator.COMPARATOR);
                    Collections.reverse(wrapperClassesList);
                }
                if (CollectionUtils.isNotEmpty(wrapperClassesList)) {