Caused by: org.springframework.dao.InvalidDataAccessApiUsageException: Scan is not supported across multiple nodes within a cluster

[zzy444626905]

env

win10 + jdk1.8 + redis 5.0.5 cluster

maven

<dependency>
    <groupId>org.springframework.data</groupId>
    <artifactId>spring-data-redis</artifactId>
    <version>2.3.3.RELEASE</version>
</dependency>

<dependency>
    <groupId>redis.clients</groupId>
    <artifactId>jedis</artifactId>
    <version>3.9.0</version>
</dependency>

code

AtomicLong count = new AtomicLong();
redisTemplate.execute((RedisCallback<Set<String>>) connection -> {
    Cursor<byte[]> cursor = connection.scan(new ScanOptions.ScanOptionsBuilder()
            .match("*").count(10 * 10000).build());
    while (cursor.hasNext()) {
        byte[] next = cursor.next();
        count.incrementAndGet();
        if (count.get() % 100 == 0) {
            System.out.printf("%s=======================%s\n",new String(next),count.get());
        }
    }
    return null;
});

console output:

C:\Users\Administrator\Desktop>java -jar jar-exe-1.0-SNAPSHOT.jar
[INFO ] [2023-08-29 17:03:14.587] [main] [org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor] [181]
[Initializing ExecutorService]

Exception in thread "main" java.lang.reflect.InvocationTargetException
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:49)
        at org.springframework.boot.loader.Launcher.launch(Launcher.java:109)
        at org.springframework.boot.loader.Launcher.launch(Launcher.java:58)
        at org.springframework.boot.loader.JarLauncher.main(JarLauncher.java:88)
Caused by: org.springframework.dao.InvalidDataAccessApiUsageException: Scan is not supported across multiple nodes within a cluster
        at org.springframework.data.redis.connection.jedis.JedisClusterKeyCommands.scan(JedisClusterKeyCommands.java:173)
        at org.springframework.data.redis.connection.DefaultedRedisConnection.scan(DefaultedRedisConnection.java:117)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at org.springframework.data.redis.core.CloseSuppressingInvocationHandler.invoke(CloseSuppressingInvocationHandler.java:61)
        at com.sun.proxy.$Proxy6.scan(Unknown Source)
        at com.zzy.redis_tool.RedisTool.lambda$main$0(RedisTool.java:47)
        at org.springframework.data.redis.core.RedisTemplate.execute(RedisTemplate.java:228)
        at org.springframework.data.redis.core.RedisTemplate.execute(RedisTemplate.java:188)
        at org.springframework.data.redis.core.RedisTemplate.execute(RedisTemplate.java:175)
        at com.zzy.redis_tool.RedisTool.main(RedisTool.java:46)
        ... 8 more

[zzy444626905]

Ha ha, I'll sit and wait for reply of the big boss who named Mark Paluch.

[mp911de]

Spring Data Redis 2.3 is no longer supported. Please upgrade to 2.7. Please use the Lettuce driver to scan across a cluster, there's no support for Jedis Cluster Scans.