如何手动将Java跟踪发送到OpenTelemetry收集器

<dependency>
    <groupId>io.opentelemetry</groupId>
    <artifactId>opentelemetry-api</artifactId>
    <version>1.7.0</version>
</dependency>
<dependency>
    <groupId>io.opentelemetry</groupId>
    <artifactId>opentelemetry-exporter-otlp</artifactId>
    <version>1.7.0</version>
</dependency>
<dependency>
    <groupId>io.opentelemetry</groupId>
    <artifactId>opentelemetry-sdk</artifactId>
    <version>1.7.0</version>
</dependency>

import io.opentelemetry.api.OpenTelemetry;
import io.opentelemetry.api.trace.Tracer;
import io.opentelemetry.exporter.otlp.trace.OtlpGrpcSpanExporter;
import io.opentelemetry.sdk.OpenTelemetrySdk;
import io.opentelemetry.sdk.trace.SdkTracerProvider;
import io.opentelemetry.sdk.trace.export.BatchSpanProcessor;

public class OpenTelemetryExample {
    public static void main(String[] args) {
        // 创建OTLP Span Exporter
        OtlpGrpcSpanExporter spanExporter = OtlpGrpcSpanExporter.builder()
                .setEndpoint("your-opentelemetry-collector-endpoint")
                .build();

        // 创建Span Processor
        BatchSpanProcessor spanProcessor = BatchSpanProcessor.builder(spanExporter).build();

        // 创建Tracer Provider
        SdkTracerProvider tracerProvider = SdkTracerProvider.builder()
                .addSpanProcessor(spanProcessor)
                .build();

        // 创建OpenTelemetry实例
        OpenTelemetry openTelemetry = OpenTelemetrySdk.builder()
                .setTracerProvider(tracerProvider)
                .build();

        // 获取Tracer对象
        Tracer tracer = openTelemetry.getTracer("your-instrumentation-name");

        // 使用Tracer进行跟踪
        // ...
    }
}

import io.opentelemetry.api.trace.Span;
import io.opentelemetry.api.trace.Tracer;

public class OpenTelemetryExample {
    public static void main(String[] args) {
        // 获取Tracer对象
        Tracer tracer = openTelemetry.getTracer("your-instrumentation-name");

        // 创建Span对象
        Span span = tracer.spanBuilder("your-span-name").startSpan();

        try {
            // 在这里执行需要跟踪的代码逻辑
            // ...
        } finally {
            // 结束Span
            span.end();
        }
    }
}