paxxie2 opened a new issue, #15361: URL: https://github.com/apache/dubbo/issues/15361
### Pre-check - [x] I am sure that all the content I provide is in English. ### Search before asking - [x] I had searched in the [issues](https://github.com/apache/dubbo/issues?q=is%3Aissue) and found no similar issues. ### Apache Dubbo Component Java SDK (apache/dubbo) ### Dubbo Version Dubbo 3.3.1 , java 17, mac 15.3.2 ### Steps to reproduce this issue I new a pull request about proto, Unit Test On ubuntu-latest execute failed, see https://github.com/apache/dubbo/actions/runs/14910545315/job/41883681545?pr=15360 . Key log: ``` [INFO] Running org.apache.dubbo.rpc.protocol.dubbo.MultiThreadTest 15:58:33.683 |-INFO [main] bo.remoting.transport.netty4.NettyServer:69 -| [DUBBO] Start NettyServer bind /0.0.0.0:31715, export /127.0.0.1:31715, dubbo version: 3.3.4-SNAPSHOT, current host: 10.1.0.186 15:58:33.687 |-INFO [main] bo.remoting.transport.netty4.NettyClient:278 -| [DUBBO] Successfully connect to server /10.1.0.186:31715 from NettyClient 10.1.0.186 using dubbo version 3.3.4-SNAPSHOT, channel is NettyChannel [channel=[id: 0xb9a4cf08, L:/10.1.0.186:54996 - R:/10.1.0.186:31715]], dubbo version: 3.3.4-SNAPSHOT, current host: 10.1.0.186 15:58:33.687 |-INFO [main] bo.remoting.transport.netty4.NettyClient:95 -| [DUBBO] Start NettyClient /10.1.0.186 connect to the server /10.1.0.186:31715, dubbo version: 3.3.4-SNAPSHOT, current host: 10.1.0.186 15:58:33.687 |-INFO [NettyClientWorker-44-1] ting.transport.netty4.NettyClientHandler:64 -| [DUBBO] The connection [id: 0xb9a4cf08, L:/10.1.0.186:54996 - R:/10.1.0.186:31715] of 10.1.0.186:54996 -> 10.1.0.186:31715 is established., dubbo version: 3.3.4-SNAPSHOT, current host: 10.1.0.186 15:58:33.688 |-INFO [NettyServerWorker-43-1] ting.transport.netty4.NettyServerHandler:84 -| [DUBBO] The connection [id: 0xf8f9d072, L:/10.1.0.186:31715 - R:/10.1.0.186:54996] of 10.1.0.186:54996 -> 10.1.0.186:31715 is established., dubbo version: 3.3.4-SNAPSHOT, current host: 10.1.0.186 15:58:33.692 |-WARN [main] org.apache.dubbo.rpc.support.RpcUtils: -| [DUBBO] Not found class TestService, cause: TestService, dubbo version: 3.3.4-SNAPSHOT, current host: 10.1.0.186, error code: 0-8. This may be caused by , go to https://dubbo.apache.org/faq/0/8 to find instructions. java.lang.ClassNotFoundException: TestService at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:641) ~[?:?] at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:188) ~[?:?] at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:526) ~[?:?] at java.base/java.lang.Class.forName0(Native Method) ~[?:?] at java.base/java.lang.Class.forName(Class.java:534) ~[?:?] at java.base/java.lang.Class.forName(Class.java:513) ~[?:?] at org.apache.dubbo.common.utils.ReflectUtils.name2class(ReflectUtils.java:791) ~[dubbo-common-3.3.4-SNAPSHOT.jar:3.3.4-SNAPSHOT] at org.apache.dubbo.common.utils.ReflectUtils.forName(ReflectUtils.java:696) ~[dubbo-common-3.3.4-SNAPSHOT.jar:3.3.4-SNAPSHOT] ... 96 more Wrapped by: java.lang.IllegalStateException: Not found class TestService, cause: TestService ``` org.apache.dubbo.rpc.protocol.dubbo.MultiThreadTest#testDubboMultiThreadInvoke ``` @Test void testDubboMultiThreadInvoke() throws Exception { ApplicationModel.defaultModel() .getDefaultModule() .getServiceRepository() .registerService("TestService", DemoService.class); int port = NetUtils.getAvailablePort(); Exporter<?> rpcExporter = protocol.export(proxy.getInvoker( new DemoServiceImpl(), DemoService.class, URL.valueOf("dubbo://127.0.0.1:" + port + "/TestService"))); final AtomicInteger counter = new AtomicInteger(); final DemoService service = proxy.getProxy( protocol.refer(DemoService.class, URL.valueOf("dubbo://127.0.0.1:" + port + "/TestService"))); Assertions.assertEquals(service.getSize(new String[] {"123", "456", "789"}), 3); final StringBuffer sb = new StringBuffer(); for (int i = 0; i < 1024 * 64 + 32; i++) sb.append('A'); Assertions.assertEquals(sb.toString(), service.echo(sb.toString())); ExecutorService exec = Executors.newFixedThreadPool(10); for (int i = 0; i < 10; i++) { final int fi = i; exec.execute(new Runnable() { public void run() { for (int i = 0; i < 30; i++) { System.out.println(fi + ":" + counter.getAndIncrement()); Assertions.assertEquals(service.echo(sb.toString()), sb.toString()); } } }); } exec.shutdown(); exec.awaitTermination(10, TimeUnit.SECONDS); rpcExporter.unexport(); } ``` ### What you expected to happen I expect new a pull request about proto success. ### Anything else _No response_ ### Are you willing to submit a pull request to fix on your own? - [x] Yes I am willing to submit a pull request on my own! ### Code of Conduct - [x] I agree to follow this project's [Code of Conduct](https://www.apache.org/foundation/policies/conduct) -- This is an automated message from the Apache Git Service. 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