When use @Autowire List
How can I avoid this situation?
Version info:
<properties>
<java.version>17</java.version>
<maven.compiler.source>17</maven.compiler.source>
<maven.compiler.target>17</maven.compiler.target>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<sourceEncoding>UTF-8</sourceEncoding>
<spring-boot.version>3.4.5</spring-boot.version>
<spring-ai.version>1.0.0-RC1</spring-ai.version>
</properties>
Code:
@Service
public class ClientToolsStdio4Demo implements CommandLineRunner {
private final List<McpSyncClient> mcpSyncClients;
public ClientToolsStdio4Demo(ObjectProvider<List<McpSyncClient>> mcpSyncClients) {
this.mcpSyncClients = mcpSyncClients.getIfAvailable();
}
}
application.yml
spring:
application.name: qzone-mcp-client
main.web-application-type: none
spring.ai.mcp.client:
request-timeout: 30s
stdio.connections:
qzone-stdio-demo:
command: java
args:
- -jar
- qzone-demo-mcp-server-bootstrap/target/qzone-demo-mcp-server-bootstrap-0.0.1-SNAPSHOT.jar
qzone-stdio-mysql:
command: java
args:
- -jar
- qzone-mysql-mcp-server-bootstrap/target/qzone-mysql-mcp-server-bootstrap-0.0.1-SNAPSHOT.jar
env:
- SPRING_DATASOURCE_URL: jdbc:mysql://127.0.0.1:3306/mcp?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8
- SPRING_DATASOURCE_USERNAME: root
- SPRING_DATASOURCE_PASSWORD: ****
sse.connections:
qzone-sse-demo.url: http://127.0.0.1:8099
qzone-sse-mysql.url: http://127.0.0.1:8090
Error message:
D:\ProgramData\Java\current\bin\java.exe -XX:TieredStopAtLevel=1 -Dspring.output.ansi.enabled=always -Dcom.sun.management.jmxremote -Dspring.jmx.enabled=true -Dspring.liveBeansView.mbeanDomain -Dspring.application.admin.enabled=true "-Dmanagement.endpoints.jmx.exposure.include=*" -Dsocket.server.port=33833 "-javaagent:D:\ProgramData\JetBrains\IntelliJ IDEA 2024.3.1.1\lib\idea_rt.jar=62204:D:\ProgramData\JetBrains\IntelliJ IDEA 2024.3.1.1\bin" -Dfile.encoding=UTF-8 -classpath D:\Archived\open-source\qzone_mcp\qzone-demo-mcp-client-bootstrap\target\classes;C:\Users\zhou_\.m2\repository\org\springframework\ai\spring-ai-starter-mcp-client\1.0.0-RC1\spring-ai-starter-mcp-client-1.0.0-RC1.jar;C:\Users\zhou_\.m2\repository\org\springframework\boot\spring-boot-starter\3.4.5\spring-boot-starter-3.4.5.jar;C:\Users\zhou_\.m2\repository\org\springframework\boot\spring-boot\3.4.5\spring-boot-3.4.5.jar;C:\Users\zhou_\.m2\repository\org\springframework\spring-context\6.2.6\spring-context-6.2.6.jar;C:\Users\zhou_\.m2\repository\org\springframework\spring-aop\6.2.6\spring-aop-6.2.6.jar;C:\Users\zhou_\.m2\repository\org\springframework\spring-beans\6.2.6\spring-beans-6.2.6.jar;C:\Users\zhou_\.m2\repository\org\springframework\spring-expression\6.2.6\spring-expression-6.2.6.jar;C:\Users\zhou_\.m2\repository\io\micrometer\micrometer-observation\1.14.6\micrometer-observation-1.14.6.jar;C:\Users\zhou_\.m2\repository\io\micrometer\micrometer-commons\1.14.6\micrometer-commons-1.14.6.jar;C:\Users\zhou_\.m2\repository\org\springframework\boot\spring-boot-autoconfigure\3.4.5\spring-boot-autoconfigure-3.4.5.jar;C:\Users\zhou_\.m2\repository\org\springframework\boot\spring-boot-starter-logging\3.4.5\spring-boot-starter-logging-3.4.5.jar;C:\Users\zhou_\.m2\repository\ch\qos\logback\logback-classic\1.5.18\logback-classic-1.5.18.jar;C:\Users\zhou_\.m2\repository\ch\qos\logback\logback-core\1.5.18\logback-core-1.5.18.jar;C:\Users\zhou_\.m2\repository\org\apache\logging\log4j\log4j-to-slf4j\2.24.3\log4j-to-slf4j-2.24.3.jar;C:\Users\zhou_\.m2\repository\org\apache\logging\log4j\log4j-api\2.24.3\log4j-api-2.24.3.jar;C:\Users\zhou_\.m2\repository\org\slf4j\jul-to-slf4j\2.0.17\jul-to-slf4j-2.0.17.jar;C:\Users\zhou_\.m2\repository\jakarta\annotation\jakarta.annotation-api\2.1.1\jakarta.annotation-api-2.1.1.jar;C:\Users\zhou_\.m2\repository\org\yaml\snakeyaml\2.3\snakeyaml-2.3.jar;C:\Users\zhou_\.m2\repository\org\springframework\ai\spring-ai-autoconfigure-mcp-client\1.0.0-RC1\spring-ai-autoconfigure-mcp-client-1.0.0-RC1.jar;C:\Users\zhou_\.m2\repository\org\springframework\ai\spring-ai-mcp\1.0.0-RC1\spring-ai-mcp-1.0.0-RC1.jar;C:\Users\zhou_\.m2\repository\io\modelcontextprotocol\sdk\mcp\0.11.0-SNAPSHOT\mcp-0.11.0-SNAPSHOT.jar;C:\Users\zhou_\.m2\repository\com\fasterxml\jackson\core\jackson-databind\2.18.3\jackson-databind-2.18.3.jar;C:\Users\zhou_\.m2\repository\com\fasterxml\jackson\core\jackson-annotations\2.18.3\jackson-annotations-2.18.3.jar;C:\Users\zhou_\.m2\repository\com\fasterxml\jackson\core\jackson-core\2.18.3\jackson-core-2.18.3.jar;C:\Users\zhou_\.m2\repository\io\projectreactor\reactor-core\3.7.5\reactor-core-3.7.5.jar;C:\Users\zhou_\.m2\repository\org\reactivestreams\reactive-streams\1.0.4\reactive-streams-1.0.4.jar;C:\Users\zhou_\.m2\repository\org\springframework\ai\spring-ai-client-chat\1.0.0-RC1\spring-ai-client-chat-1.0.0-RC1.jar;C:\Users\zhou_\.m2\repository\org\springframework\ai\spring-ai-model\1.0.0-RC1\spring-ai-model-1.0.0-RC1.jar;C:\Users\zhou_\.m2\repository\org\springframework\ai\spring-ai-commons\1.0.0-RC1\spring-ai-commons-1.0.0-RC1.jar;C:\Users\zhou_\.m2\repository\io\micrometer\micrometer-core\1.14.6\micrometer-core-1.14.6.jar;C:\Users\zhou_\.m2\repository\org\hdrhistogram\HdrHistogram\2.2.2\HdrHistogram-2.2.2.jar;C:\Users\zhou_\.m2\repository\org\latencyutils\LatencyUtils\2.0.3\LatencyUtils-2.0.3.jar;C:\Users\zhou_\.m2\repository\io\micrometer\context-propagation\1.1.3\context-propagation-1.1.3.jar;C:\Users\zhou_\.m2\repository\org\springframework\ai\spring-ai-template-st\1.0.0-RC1\spring-ai-template-st-1.0.0-RC1.jar;C:\Users\zhou_\.m2\repository\org\antlr\ST4\4.3.4\ST4-4.3.4.jar;C:\Users\zhou_\.m2\repository\org\antlr\antlr-runtime\3.5.3\antlr-runtime-3.5.3.jar;C:\Users\zhou_\.m2\repository\org\springframework\spring-messaging\6.2.6\spring-messaging-6.2.6.jar;C:\Users\zhou_\.m2\repository\org\antlr\antlr4-runtime\4.13.1\antlr4-runtime-4.13.1.jar;C:\Users\zhou_\.m2\repository\com\github\victools\jsonschema-module-jackson\4.37.0\jsonschema-module-jackson-4.37.0.jar;C:\Users\zhou_\.m2\repository\com\fasterxml\jackson\datatype\jackson-datatype-jsr310\2.18.3\jackson-datatype-jsr310-2.18.3.jar;C:\Users\zhou_\.m2\repository\com\fasterxml\jackson\module\jackson-module-jsonSchema\2.18.3\jackson-module-jsonSchema-2.18.3.jar;C:\Users\zhou_\.m2\repository\javax\validation\validation-api\1.1.0.Final\validation-api-1.1.0.Final.jar;C:\Users\zhou_\.m2\repository\io\swagger\core\v3\swagger-annotations\2.2.25\swagger-annotations-2.2.25.jar;C:\Users\zhou_\.m2\repository\com\github\victools\jsonschema-module-swagger-2\4.37.0\jsonschema-module-swagger-2-4.37.0.jar;C:\Users\zhou_\.m2\repository\com\knuddels\jtokkit\1.1.0\jtokkit-1.1.0.jar;C:\Users\zhou_\.m2\repository\com\github\victools\jsonschema-generator\4.37.0\jsonschema-generator-4.37.0.jar;C:\Users\zhou_\.m2\repository\com\fasterxml\classmate\1.7.0\classmate-1.7.0.jar;C:\Users\zhou_\.m2\repository\org\slf4j\slf4j-api\2.0.17\slf4j-api-2.0.17.jar;C:\Users\zhou_\.m2\repository\org\springframework\spring-core\6.2.6\spring-core-6.2.6.jar;C:\Users\zhou_\.m2\repository\org\springframework\spring-jcl\6.2.6\spring-jcl-6.2.6.jar;C:\Users\zhou_\.m2\repository\org\projectlombok\lombok\1.18.38\lombok-1.18.38.jar;C:\Users\zhou_\.restfulApiTool\lib\spring-socket-plugin-starter-1.0.0.jar com.qzdatasoft.mcp.demo.client.DemoMcpClientApplication
Picked up JAVA_TOOL_OPTIONS: -Dfile.encoding=UTF-8 -Dsun.jnu.encoding=UTF-8
. ____ _ __ _ _
/\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
\\/ ___)| |_)| | | | | || (_| | ) ) ) )
' |____| .__|_| |_|_| |_\__, | / / / /
=========|_|==============|___/=/_/_/_/
:: Spring Boot :: (v3.4.5)
2025-05-23T22:36:41.911+08:00 INFO 21656 --- [qzone-mcp-client] [ main] c.q.m.d.client.DemoMcpClientApplication : Starting DemoMcpClientApplication using Java 17.0.9 with PID 21656 (D:\Archived\open-source\qzone_mcp\qzone-demo-mcp-client-bootstrap\target\classes started by zhou_ in D:\Archived\open-source\qzone_mcp)
2025-05-23T22:36:41.912+08:00 INFO 21656 --- [qzone-mcp-client] [ main] c.q.m.d.client.DemoMcpClientApplication : No active profile set, falling back to 1 default profile: "default"
2025-05-23T22:36:42.382+08:00 ERROR 21656 --- [qzone-mcp-client] [onPool-worker-1] i.m.c.t.HttpClientSseClientTransport : SSE connection error
java.util.concurrent.CompletionException: java.net.ConnectException
at java.base/java.util.concurrent.CompletableFuture.encodeRelay(CompletableFuture.java:368) ~[na:na]
at java.base/java.util.concurrent.CompletableFuture.completeRelay(CompletableFuture.java:377) ~[na:na]
at java.base/java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:1152) ~[na:na]
at java.base/java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:510) ~[na:na]
at java.base/java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1773) ~[na:na]
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136) ~[na:na]
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) ~[na:na]
at java.base/java.lang.Thread.run(Thread.java:840) ~[na:na]
Caused by: java.net.ConnectException: null
at java.net.http/jdk.internal.net.http.common.Utils.toConnectException(Utils.java:1055) ~[java.net.http:na]
at java.net.http/jdk.internal.net.http.PlainHttpConnection.connectAsync(PlainHttpConnection.java:198) ~[java.net.http:na]
at java.net.http/jdk.internal.net.http.PlainHttpConnection.checkRetryConnect(PlainHttpConnection.java:230) ~[java.net.http:na]
at java.net.http/jdk.internal.net.http.PlainHttpConnection.lambda$connectAsync$1(PlainHttpConnection.java:206) ~[java.net.http:na]
at java.base/java.util.concurrent.CompletableFuture.uniHandle(CompletableFuture.java:934) ~[na:na]
at java.base/java.util.concurrent.CompletableFuture$UniHandle.tryFire(CompletableFuture.java:911) ~[na:na]
... 5 common frames omitted
Caused by: java.nio.channels.ClosedChannelException: null
at java.base/sun.nio.ch.SocketChannelImpl.ensureOpen(SocketChannelImpl.java:195) ~[na:na]
at java.base/sun.nio.ch.SocketChannelImpl.beginConnect(SocketChannelImpl.java:760) ~[na:na]
at java.base/sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:848) ~[na:na]
at java.net.http/jdk.internal.net.http.PlainHttpConnection.lambda$connectAsync$0(PlainHttpConnection.java:183) ~[java.net.http:na]
at java.base/java.security.AccessController.doPrivileged(AccessController.java:569) ~[na:na]
at java.net.http/jdk.internal.net.http.PlainHttpConnection.connectAsync(PlainHttpConnection.java:185) ~[java.net.http:na]
... 9 common frames omitted
2025-05-23T22:36:42.386+08:00 ERROR 21656 --- [qzone-mcp-client] [onPool-worker-1] reactor.core.publisher.Operators : Operator called default onErrorDropped
reactor.core.Exceptions$ErrorCallbackNotImplemented: java.net.ConnectException
Caused by: java.net.ConnectException: null
at java.net.http/jdk.internal.net.http.common.Utils.toConnectException(Utils.java:1055) ~[java.net.http:na]
at java.net.http/jdk.internal.net.http.PlainHttpConnection.connectAsync(PlainHttpConnection.java:198) ~[java.net.http:na]
at java.net.http/jdk.internal.net.http.PlainHttpConnection.checkRetryConnect(PlainHttpConnection.java:230) ~[java.net.http:na]
at java.net.http/jdk.internal.net.http.PlainHttpConnection.lambda$connectAsync$1(PlainHttpConnection.java:206) ~[java.net.http:na]
at java.base/java.util.concurrent.CompletableFuture.uniHandle(CompletableFuture.java:934) ~[na:na]
at java.base/java.util.concurrent.CompletableFuture$UniHandle.tryFire(CompletableFuture.java:911) ~[na:na]
at java.base/java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:510) ~[na:na]
at java.base/java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1773) ~[na:na]
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136) ~[na:na]
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) ~[na:na]
at java.base/java.lang.Thread.run(Thread.java:840) ~[na:na]
Caused by: java.nio.channels.ClosedChannelException: null
at java.base/sun.nio.ch.SocketChannelImpl.ensureOpen(SocketChannelImpl.java:195) ~[na:na]
at java.base/sun.nio.ch.SocketChannelImpl.beginConnect(SocketChannelImpl.java:760) ~[na:na]
at java.base/sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:848) ~[na:na]
at java.net.http/jdk.internal.net.http.PlainHttpConnection.lambda$connectAsync$0(PlainHttpConnection.java:183) ~[java.net.http:na]
at java.base/java.security.AccessController.doPrivileged(AccessController.java:569) ~[na:na]
at java.net.http/jdk.internal.net.http.PlainHttpConnection.connectAsync(PlainHttpConnection.java:185) ~[java.net.http:na]
... 9 common frames omitted
2025-05-23T22:36:52.390+08:00 WARN 21656 --- [qzone-mcp-client] [ main] s.c.a.AnnotationConfigApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'clientToolsStdio4Demo' defined in file [D:\Archived\open-source\qzone_mcp\qzone-demo-mcp-client-bootstrap\target\classes\com\qzdatasoft\mcp\demo\client\ClientToolsStdio4Demo.class]: Failed to instantiate [com.qzdatasoft.mcp.demo.client.ClientToolsStdio4Demo]: Constructor threw exception
2025-05-23T22:36:52.396+08:00 INFO 21656 --- [qzone-mcp-client] [ main] .s.b.a.l.ConditionEvaluationReportLogger :
Error starting ApplicationContext. To display the condition evaluation report re-run your application with 'debug' enabled.
2025-05-23T22:36:52.403+08:00 ERROR 21656 --- [qzone-mcp-client] [ main] o.s.boot.SpringApplication : Application run failed
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'clientToolsStdio4Demo' defined in file [D:\Archived\open-source\qzone_mcp\qzone-demo-mcp-client-bootstrap\target\classes\com\qzdatasoft\mcp\demo\client\ClientToolsStdio4Demo.class]: Failed to instantiate [com.qzdatasoft.mcp.demo.client.ClientToolsStdio4Demo]: Constructor threw exception
at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:321) ~[spring-beans-6.2.6.jar:6.2.6]
at org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:309) ~[spring-beans-6.2.6.jar:6.2.6]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireConstructor(AbstractAutowireCapableBeanFactory.java:1387) ~[spring-beans-6.2.6.jar:6.2.6]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1224) ~[spring-beans-6.2.6.jar:6.2.6]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:569) ~[spring-beans-6.2.6.jar:6.2.6]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:529) ~[spring-beans-6.2.6.jar:6.2.6]
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:339) ~[spring-beans-6.2.6.jar:6.2.6]
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:371) ~[spring-beans-6.2.6.jar:6.2.6]
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:337) ~[spring-beans-6.2.6.jar:6.2.6]
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) ~[spring-beans-6.2.6.jar:6.2.6]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.instantiateSingleton(DefaultListableBeanFactory.java:1221) ~[spring-beans-6.2.6.jar:6.2.6]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingleton(DefaultListableBeanFactory.java:1187) ~[spring-beans-6.2.6.jar:6.2.6]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:1122) ~[spring-beans-6.2.6.jar:6.2.6]
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:987) ~[spring-context-6.2.6.jar:6.2.6]
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:627) ~[spring-context-6.2.6.jar:6.2.6]
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:753) ~[spring-boot-3.4.5.jar:3.4.5]
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:439) ~[spring-boot-3.4.5.jar:3.4.5]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:318) ~[spring-boot-3.4.5.jar:3.4.5]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1362) ~[spring-boot-3.4.5.jar:3.4.5]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1351) ~[spring-boot-3.4.5.jar:3.4.5]
at com.qzdatasoft.mcp.demo.client.DemoMcpClientApplication.main(DemoMcpClientApplication.java:10) ~[classes/:na]
Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [com.qzdatasoft.mcp.demo.client.ClientToolsStdio4Demo]: Constructor threw exception
at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:222) ~[spring-beans-6.2.6.jar:6.2.6]
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:145) ~[spring-beans-6.2.6.jar:6.2.6]
at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:318) ~[spring-beans-6.2.6.jar:6.2.6]
... 20 common frames omitted
Caused by: java.lang.RuntimeException: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'mcpSyncClients' defined in class path resource [org/springframework/ai/mcp/client/autoconfigure/McpClientAutoConfiguration.class]: Failed to instantiate [java.util.List]: Factory method 'mcpSyncClients' threw exception with message: Failed to wait for the message endpoint
at com.qzdatasoft.mcp.demo.client.ClientToolsStdio4Demo.<init>(ClientToolsStdio4Demo.java:36) ~[classes/:na]
at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:na]
at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77) ~[na:na]
at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:na]
at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) ~[na:na]
at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) ~[na:na]
at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:209) ~[spring-beans-6.2.6.jar:6.2.6]
... 22 common frames omitted
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'mcpSyncClients' defined in class path resource [org/springframework/ai/mcp/client/autoconfigure/McpClientAutoConfiguration.class]: Failed to instantiate [java.util.List]: Factory method 'mcpSyncClients' threw exception with message: Failed to wait for the message endpoint
at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:657) ~[spring-beans-6.2.6.jar:6.2.6]
at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:645) ~[spring-beans-6.2.6.jar:6.2.6]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1367) ~[spring-beans-6.2.6.jar:6.2.6]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1197) ~[spring-beans-6.2.6.jar:6.2.6]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:569) ~[spring-beans-6.2.6.jar:6.2.6]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:529) ~[spring-beans-6.2.6.jar:6.2.6]
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:339) ~[spring-beans-6.2.6.jar:6.2.6]
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:371) ~[spring-beans-6.2.6.jar:6.2.6]
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:337) ~[spring-beans-6.2.6.jar:6.2.6]
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) ~[spring-beans-6.2.6.jar:6.2.6]
at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:254) ~[spring-beans-6.2.6.jar:6.2.6]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1739) ~[spring-beans-6.2.6.jar:6.2.6]
at org.springframework.beans.factory.support.DefaultListableBeanFactory$DependencyObjectProvider.getIfAvailable(DefaultListableBeanFactory.java:2524) ~[spring-beans-6.2.6.jar:6.2.6]
at com.qzdatasoft.mcp.demo.client.ClientToolsStdio4Demo.<init>(ClientToolsStdio4Demo.java:34) ~[classes/:na]
... 28 common frames omitted
Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [java.util.List]: Factory method 'mcpSyncClients' threw exception with message: Failed to wait for the message endpoint
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.lambda$instantiate$0(SimpleInstantiationStrategy.java:199) ~[spring-beans-6.2.6.jar:6.2.6]
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiateWithFactoryMethod(SimpleInstantiationStrategy.java:88) ~[spring-beans-6.2.6.jar:6.2.6]
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:168) ~[spring-beans-6.2.6.jar:6.2.6]
at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:653) ~[spring-beans-6.2.6.jar:6.2.6]
... 41 common frames omitted
Caused by: io.modelcontextprotocol.spec.McpError: Failed to wait for the message endpoint
at io.modelcontextprotocol.client.transport.HttpClientSseClientTransport.sendMessage(HttpClientSseClientTransport.java:403) ~[mcp-0.11.0-SNAPSHOT.jar:0.11.0-SNAPSHOT]
at io.modelcontextprotocol.spec.McpClientSession.lambda$sendRequest$9(McpClientSession.java:237) ~[mcp-0.11.0-SNAPSHOT.jar:0.11.0-SNAPSHOT]
at reactor.core.publisher.MonoCreate.subscribe(MonoCreate.java:61) ~[reactor-core-3.7.5.jar:3.7.5]
at reactor.core.publisher.MonoDeferContextual.subscribe(MonoDeferContextual.java:55) ~[reactor-core-3.7.5.jar:3.7.5]
at reactor.core.publisher.Mono.subscribe(Mono.java:4576) ~[reactor-core-3.7.5.jar:3.7.5]
at reactor.core.publisher.Mono.block(Mono.java:1778) ~[reactor-core-3.7.5.jar:3.7.5]
at io.modelcontextprotocol.client.McpSyncClient.initialize(McpSyncClient.java:171) ~[mcp-0.11.0-SNAPSHOT.jar:0.11.0-SNAPSHOT]
at org.springframework.ai.mcp.client.autoconfigure.McpClientAutoConfiguration.mcpSyncClients(McpClientAutoConfiguration.java:168) ~[spring-ai-autoconfigure-mcp-client-1.0.0-RC1.jar:1.0.0-RC1]
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:na]
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[na:na]
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:na]
at java.base/java.lang.reflect.Method.invoke(Method.java:568) ~[na:na]
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.lambda$instantiate$0(SimpleInstantiationStrategy.java:171) ~[spring-beans-6.2.6.jar:6.2.6]
... 44 common frames omitted
Suppressed: java.lang.Exception: #block terminated with an error
at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:104) ~[reactor-core-3.7.5.jar:3.7.5]
at reactor.core.publisher.Mono.block(Mono.java:1779) ~[reactor-core-3.7.5.jar:3.7.5]
... 51 common frames omitted
进程已结束，退出代码为 1