fluid-ws-java-client/src/main/java/com/fluidbpm/ws/client/v1/ABaseClientWS.java
protected void closeConnectionNonThreaded() {
		if(this.closeableHttpClient != null) {
			try {
				this.closeableHttpClient.close();
			} catch (IOException e) {
				throw new FluidClientException(
						"Unable to close Http Client connection. "+
								e.getMessage(),
						e, FluidClientException.ErrorCode.IO_ERROR);
			}
		}

		this.closeableHttpClient = null;
	}
protected void closeConnectionNonThreaded() {
		if(this.closeableHttpClient != null) {
			try {
				this.closeableHttpClient.close();
			} catch (IOException e) {
				throw new FluidClientException(
						"Unable to close Http Client connection. "+
								e.getMessage(),
						e, FluidClientException.ErrorCode.IO_ERROR);
			}
		}

		this.closeableHttpClient = null;
	}
Close the SQL and ElasticSearch Connection, but not in
a separate {@code Thread}.