hanxu00920 removed a comment on issue #10216:
URL:
https://github.com/apache/shardingsphere/issues/10216#issuecomment-828918784
Did you really test and use a hybrid architecture?
I googled other people's examples, and tried to use the 4.0.1 version of the
dependency, and excluded many of the dependencies he said.
```
<dependency>
<groupId>org.apache.shardingsphere</groupId>
<artifactId>sharding-jdbc-orchestration-spring-boot-starter</artifactId>
<version>4.0.1</version>
<exclusions>
<exclusion>
<groupId>org.apache.curator</groupId>
<artifactId>curator-framework</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.apache.shardingsphere</groupId>
<artifactId>sharding-orchestration-reg-zookeeper-curator</artifactId>
<version>4.0.1</version>
<exclusions>
<exclusion>
<groupId>org.apache.curator</groupId>
<artifactId>curator-framework</artifactId>
</exclusion>
<exclusion>
<groupId>org.apache.curator</groupId>
<artifactId>curator-recipes</artifactId>
</exclusion>
<exclusion>
<groupId>org.apache.curator</groupId>
<artifactId>curator-client</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.apache.curator</groupId>
<artifactId>curator-framework</artifactId>
<version>2.10.0</version>
</dependency>
<dependency>
<groupId>org.apache.curator</groupId>
<artifactId>curator-recipes</artifactId>
<version>2.10.0</version>
</dependency>
```
The jdbc application is successfully started and the configuration is shared
to zookeeper, but the shardingsphere-proxy cannot be started through the
configuration center.
proxy error log:
```
Exception in thread "main" java.lang.NullPointerException
at java.util.regex.Matcher.getTextLength(Matcher.java:1283)
at java.util.regex.Matcher.reset(Matcher.java:309)
at java.util.regex.Matcher.<init>(Matcher.java:229)
at java.util.regex.Pattern.matcher(Pattern.java:1093)
at
org.yaml.snakeyaml.reader.StreamReader.checkPrintable(StreamReader.java:64)
at org.yaml.snakeyaml.reader.StreamReader.<init>(StreamReader.java:47)
at org.yaml.snakeyaml.Yaml.loadAs(Yaml.java:427)
at
org.apache.shardingsphere.underlying.common.yaml.engine.YamlEngine.unmarshal(YamlEngine.java:129)
at
org.apache.shardingsphere.underlying.common.yaml.engine.YamlEngine.unmarshal(YamlEngine.java:116)
at
org.apache.shardingsphere.orchestration.core.configcenter.ConfigCenter.loadAuthentication(ConfigCenter.java:292)
at
org.apache.shardingsphere.shardingproxy.Bootstrap.startWithRegistryCenter(Bootstrap.java:133)
at
org.apache.shardingsphere.shardingproxy.Bootstrap.main(Bootstrap.java:87)
```
So I first emptied the configuration center, and then shared the
configuration to zookeeper through shardingsphere-proxy, but the jdbc
application failed to start.
jdbc error log:
```
Caused by: java.lang.NullPointerException
at
org.apache.shardingsphere.orchestration.internal.registry.config.service.ConfigurationService.isEncryptRule(ConfigurationService.java:194)
at
org.apache.shardingsphere.shardingjdbc.orchestration.spring.boot.OrchestrationSpringBootConfiguration.dataSource(OrchestrationSpringBootConfiguration.java:175)
at
org.apache.shardingsphere.shardingjdbc.orchestration.spring.boot.OrchestrationSpringBootConfiguration$$EnhancerBySpringCGLIB$$f6d755b2.CGLIB$dataSource$4(<generated>)
at
org.apache.shardingsphere.shardingjdbc.orchestration.spring.boot.OrchestrationSpringBootConfiguration$$EnhancerBySpringCGLIB$$f6d755b2$$FastClassBySpringCGLIB$$891609a6.invoke(<generated>)
at
org.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:228)
at
org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:361)
at
org.apache.shardingsphere.shardingjdbc.orchestration.spring.boot.OrchestrationSpringBootConfiguration$$EnhancerBySpringCGLIB$$f6d755b2.dataSource(<generated>)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154)
... 44 more
```
I guarantee that the orchestration.name and registry.namespace
configurations are accurate, and that jdbc and proxy match.
It's really hard.
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