client-adapter IDEA启动报错 （OuterAdapter externalLibD

环境信息

canal 1.1.3 mysql 5.7.19

问题描述

client-adapter 启动异常

错误源头 (externalLibDir.exists())=false File externalLibDir = new File(dir); if (!externalLibDir.exists()) { externalLibDir = new File(File.separator + this.getJarDirectoryPath() + File.separator + "canal-adapter" + File.separator + "plugin"); } logger.info("extension classpath dir: " + externalLibDir.getAbsolutePath()); if (externalLibDir.exists()) { File[] files = externalLibDir.listFiles((dir1, name) -> name.endsWith(".jar")); if (files != null) { for (File f : files) { URL url; try { url = f.toURI().toURL(); } catch (MalformedURLException e) { throw new RuntimeException("load extension jar failed!", e); }

            ClassLoader parent = Thread.currentThread().getContextClassLoader();
            URLClassLoader localClassLoader;
            if (classLoaderPolicy == null || "".equals(classLoaderPolicy)
                || DEFAULT_CLASSLOADER_POLICY.equalsIgnoreCase(classLoaderPolicy)) {
                localClassLoader = new URLClassExtensionLoader(new URL[] { url });
            } else {
                localClassLoader = new URLClassLoader(new URL[] { url }, parent);
            }

            loadFile(extensionClasses, CANAL_DIRECTORY, localClassLoader);
            loadFile(extensionClasses, SERVICES_DIRECTORY, localClassLoader);
        }
    }
}
// 只加载外部spi, 不加载classpath
// 2. load inner extension class with default classLoader
// ClassLoader classLoader = findClassLoader();
// loadFile(extensionClasses, CANAL_DIRECTORY, classLoader);
// loadFile(extensionClasses, SERVICES_DIRECTORY, classLoader);

return extensionClasses;

配置文件

canal.conf: canalServerHost: 127.0.0.1:11111 batchSize: 500 syncBatchSize: 1000 retries: 0 timeout: accessKey: secretKey: mode: tcp canalAdapters:

instance: example # canal instance Name or mq topic name groups: groupId: g1 outerAdapters: name: es hosts: 172.16.200.164:9200 properties: cluster.name: elasticsearch ###错误日志 java.lang.IllegalStateException: Extension instance(name: es, class: interface com.alibaba.otter.canal.client.adapter.OuterAdapter) could not be instantiated: class could not be found at com.alibaba.otter.canal.client.adapter.support.ExtensionLoader.createExtension(ExtensionLoader.java:182) ~[classes/:na] at com.alibaba.otter.canal.client.adapter.support.ExtensionLoader.getExtension(ExtensionLoader.java:139) ~[classes/:na] at com.alibaba.otter.canal.adapter.launcher.loader.CanalAdapterLoader.loadConnector(CanalAdapterLoader.java:141) [classes/:na] at com.alibaba.otter.canal.adapter.launcher.loader.CanalAdapterLoader.init(CanalAdapterLoader.java:94) [classes/:na] at com.alibaba.otter.canal.adapter.launcher.loader.CanalAdapterService.init(CanalAdapterService.java:62) [classes/:na] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_131] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_131] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_131] at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_131] at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleElement.invoke(InitDestroyAnnotationBeanPostProcessor.java:365) [spring-beans-5.0.5.RELEASE.jar:5.0.5.RELEASE] at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleMetadata.invokeInitMethods(InitDestroyAnnotationBeanPostProcessor.java:308) [spring-beans-5.0.5.RELEASE.jar:5.0.5.RELEASE] at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessBeforeInitialization(InitDestroyAnnotationBeanPostProcessor.java:135) [spring-beans-5.0.5.RELEASE.jar:5.0.5.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsBeforeInitialization(AbstractAutowireCapableBeanFactory.java:422) [spring-beans-5.0.5.RELEASE.jar:5.0.5.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1694) [spring-beans-5.0.5.RELEASE.jar:5.0.5.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:579) [spring-beans-5.0.5.RELEASE.jar:5.0.5.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:501) [spring-beans-5.0.5.RELEASE.jar:5.0.5.RELEASE] at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$1(AbstractBeanFactory.java:353) [spring-beans-5.0.5.RELEASE.jar:5.0.5.RELEASE] at org.springframework.cloud.context.scope.GenericScope$BeanLifecycleWrapper.getBean(GenericScope.java:390) ~[spring-cloud-context-2.0.0.RELEASE.jar:2.0.0.RELEASE] at org.springframework.cloud.context.scope.GenericScope.get(GenericScope.java:184) ~[spring-cloud-context-2.0.0.RELEASE.jar:2.0.0.RELEASE] at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:350) [spring-beans-5.0.5.RELEASE.jar:5.0.5.RELEASE] at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) [spring-beans-5.0.5.RELEASE.jar:5.0.5.RELEASE] at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1089) ~[spring-context-5.0.5.RELEASE.jar:5.0.5.RELEASE] at org.springframework.cloud.context.scope.refresh.RefreshScope.eagerlyInitialize(RefreshScope.java:126) ~[spring-cloud-context-2.0.0.RELEASE.jar:2.0.0.RELEASE] at org.springframework.cloud.context.scope.refresh.RefreshScope.start(RefreshScope.java:117) ~[spring-cloud-context-2.0.0.RELEASE.jar:2.0.0.RELEASE] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_131] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_131] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_131] at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_131] at org.springframework.context.event.ApplicationListenerMethodAdapter.doInvoke(ApplicationListenerMethodAdapter.java:264) ~[spring-context-5.0.5.RELEASE.jar:5.0.5.RELEASE] at org.springframework.context.event.ApplicationListenerMethodAdapter.processEvent(ApplicationListenerMethodAdapter.java:182) ~[spring-context-5.0.5.RELEASE.jar:5.0.5.RELEASE] at org.springframework.context.event.ApplicationListenerMethodAdapter.onApplicationEvent(ApplicationListenerMethodAdapter.java:144) ~[spring-context-5.0.5.RELEASE.jar:5.0.5.RELEASE] at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:172) ~[spring-context-5.0.5.RELEASE.jar:5.0.5.RELEASE] at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:165) ~[spring-context-5.0.5.RELEASE.jar:5.0.5.RELEASE] at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:139) ~[spring-context-5.0.5.RELEASE.jar:5.0.5.RELEASE] at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:400) ~[spring-context-5.0.5.RELEASE.jar:5.0.5.RELEASE] at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:354) ~[spring-context-5.0.5.RELEASE.jar:5.0.5.RELEASE] at org.springframework.context.support.AbstractApplicationContext.finishRefresh(AbstractApplicationContext.java:888) ~[spring-context-5.0.5.RELEASE.jar:5.0.5.RELEASE] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.finishRefresh(ServletWebServerApplicationContext.java:161) ~[spring-boot-2.0.1.RELEASE.jar:2.0.1.RELEASE] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:553) ~[spring-context-5.0.5.RELEASE.jar:5.0.5.RELEASE] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:140) ~[spring-boot-2.0.1.RELEASE.jar:2.0.1.RELEASE] at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:759) ~[spring-boot-2.0.1.RELEASE.jar:2.0.1.RELEASE] at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:395) ~[spring-boot-2.0.1.RELEASE.jar:2.0.1.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:327) ~[spring-boot-2.0.1.RELEASE.jar:2.0.1.RELEASE] at com.alibaba.otter.canal.adapter.launcher.CanalAdapterApplication.main(CanalAdapterApplication.java:19) ~[classes/:na]

原提问者GitHub用户bailangzhufan