[GitHub] [shardingsphere] 837414750 opened a new issue, #20870: The custom primary key generation policy SPI was not registered successfully

Sun, 09 Oct 2022 23:32:27 -0700 


837414750 opened a new issue, #20870:
URL: https://github.com/apache/shardingsphere/issues/20870

   ## Question
   `public class KeyGenerator implements ShardingKeyGenerator {
   
       private SnowflakeShardingKeyGenerator snow = new 
SnowflakeShardingKeyGenerator();
   
       @Override
       public Comparable<?> generateKey() {
           //return getCurrentDateKey() + snow.generateKey();
           return snow.generateKey();
       }
   
       @Override
       public String getType() {
           return "TRAINKEY";
       }
   
       @Override
       public Properties getProperties() {
           return null;
       }
   
       @Override
       public void setProperties(Properties properties) {
   
       }
   }`
   
![image](https://user-images.githubusercontent.com/29977320/189030019-81e080e7-670b-4c8c-91d8-c39839397365.png)
   
![image](https://user-images.githubusercontent.com/29977320/189030118-1bb31f1a-ed94-400c-8e1d-1e2c20cba7bf.png)
   --
   Startup error：
   Caused by: java.lang.RuntimeException: Invalid 
`org.apache.shardingsphere.spi.keygen.ShardingKeyGenerator` SPI type `TRAINKEY`.
        at 
org.apache.shardingsphere.spi.TypeBasedSPIServiceLoader.newService(TypeBasedSPIServiceLoader.java:46)
        at 
org.apache.shardingsphere.core.rule.TableRule.<init>(TableRule.java:113)
        at 
org.apache.shardingsphere.core.rule.ShardingRule.lambda$createTableRules$0(ShardingRule.java:91)
        at 
java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
        at 
java.util.LinkedList$LLSpliterator.forEachRemaining(LinkedList.java:1235)
        at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:482)
        at 
java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:472)
        at 
java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708)
        at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
        at 
java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:499)
   
   Please help
   


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