Spring Cloud OpenFeign is a declarative service call and load balancing component officially launched by Spring. Its bottom layer is based on Netflix Feign, which is an open source declarative WebService client designed by Netflix to simplify communication between services. Spring Cloud openfeign enhances Feign to support Spring MVC annotations, and integrates Ribbon and Nacos, […]
Tag: invocation
Service splitting and remote invocation (microservices)
Regardless of any distributed architecture, it is inseparable from the splitting and refinement between services, and the same is true for microservices. Next, Brother Feng will take you to understand the service splitting principles of microservices, and take you through a Take a small case to learn about splitting between services and remote calls. 1 […]
[Solved] The solution to java.lang.reflect.InvocationTargetException when Java calls Hbase
The solution of java.lang.reflect.InvocationTargetException when Java calls Hbase problem background solution Lyric: You and I are in the same world Question Background When connecting to Hbase, I get a reflection error Exception in thread “main” java.lang.reflect.InvocationTargetException 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 com.intellij.rt.execution.CommandLineWrapper.main(CommandLineWrapper.java:64) Caused by: java.lang.NoClassDefFoundError: org/apache/hadoop/hbase/protobuf/generated/MasterProtos$MasterService$BlockingInterface at java.lang.Class.forName0(Native Method) at […]
[Solved] Solve Failed toString() invocation on an object com.alibaba.fastjson.JSONException: write javaBean error
Article table of contents 1. Reproduce the problem 2. Analyze the problem 3. Problem solving 1. Reproduce the problem Today, when starting the spring boot project, the following problems suddenly occurred: SLF4J: Failed toString() invocation on an object of type [com.superjson.superjsonmanager.config.jwt.JwtProperties$$EnhancerBySpringCGLIB$$3c58badf] Reported exception: com.alibaba.fastjson.JSONException: write javaBean error, fastjson version 1.2.70, class org.springframework.beans.factory.support.DefaultListableBeanFactory, fieldName : $$beanFactory, […]
[Solved] The solution to java.lang.reflect.InvocationTargetException when Java calls Hbase
The solution of java.lang.reflect.InvocationTargetException when Java calls Hbase problem background solution Lyric: You and I are in the same world Question Background When connecting to Hbase, I get a reflection error Exception in thread “main” java.lang.reflect.InvocationTargetException 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 com.intellij.rt.execution.CommandLineWrapper.main(CommandLineWrapper.java:64) Caused by: java.lang.NoClassDefFoundError: org/apache/hadoop/hbase/protobuf/generated/MasterProtos$MasterService$BlockingInterface at java.lang.Class.forName0(Native Method) at […]
[Solved] [Tauri+vite+ts] The solution to the problem that fs cannot read and write files in Tauri and the exploration of fs invocation
“tauri-app/api version^1.0.2” The official address of inaccessible due to daily exhaustion https://tauri. app/v1/api/js/modules/fs fs permission problem Related referenceshttps://github.com/tauri-apps/tauri /issues/4130 Remember to make changes here ? Modify as shown ? “fs”: { “scope”: [“*”] } According to my “my own understanding”, the scope is to give the program operation permission. If it is not written, an […]
[Solved] com.alibaba.nacos.api.exception.NacosException: java.lang.reflect.InvocationTargetException
com.alibaba.nacos.api.exception.NacosException: endpoint is blank com.alibaba.nacos.api.exception.NacosException: java.lang.reflect.InvocationTargetException exception information exception handling Anomaly Analysis bootstrap.yml vs application.yml com.alibaba.nacos.api.exception.NacosException: endpoint is blank com.alibaba.nacos.api.exception.NacosException: java.lang.reflect.InvocationTargetException) Exception information After springCloud alibaba configures Nacos to start the service, it will report an error com.alibaba.nacos.api.exception.NacosException: java.lang.reflect.InvocationTargetException at com.alibaba.nacos.api.config.ConfigFactory.createConfigService(ConfigFactory.java:45) ~[nacos-api-1.1.1.jar:na] at com.alibaba.nacos.api.NacosFactory.createConfigService(NacosFactory.java:43) ~[nacos-api-1.1.1.jar:na] at com.alibaba.cloud.nacos.NacosConfigProperties.configServiceInstance(NacosConfigProperties.java:346) ~[spring-cloud-alibaba-nacos-config-2.1.0.RELEASE.jar:2.1.0.RELEASE] at com.alibaba.cloud.nacos.NacosConfigAutoConfiguration.nacosContextRefresher(NacosConfigAutoConfiguration.java:64) [spring-cloud-alibaba-nacos-config-2.1.0.RELEASE.jar:2.1.0.RELEASE] at com.alibaba.cloud.nacos.NacosConfigAutoConfiguration$$EnhancerBySpringCGLIB$$a65c2a5b.CGLIB$nacosContextRefresher$2(<generated>) [spring-cloud-alibaba-nacos-config-2.1.0.RELEASE.jar:2.1.0.RELEASE ] […]
[Solved] Reflection exception java.lang.reflect.InvocationTargetException handling
InvocationTargetException is thrown by the Method.invoke(obj, args…) method. This exception is received when the called method internally throws an exception and is not caught. A problem is that when we use reflection to call the underlying code, an error java.lang.reflect.InvocationTargetException is reported, and scala information is printed Just throw a java.lang.reflect.InvocationTargetException exception, and then there […]
[Solved] java.lang.reflect.InvocationTargetException and java.lang.IllegalArgumentException
Problem: java.lang.reflect.InvocationTargetException, Caused by: org.mybatis.spring.MyBatisSystemException, Caused by: org.apache.ibatis .reflection.ReflectionException, Caused by: java.lang.IllegalArgumentException <!–Correspondence between entity classes and database table fields–> <resultMap id=”resultMap” type=”Staff”> <id property=”id” column=”id” javaType=”Integer”/><!–If the field corresponding to the database is the primary key, use the id tag–> <result property=”account” column=”account” javaType=”String”/> <result property=”password” column=”password” javaType=”String”/> <result property=”status” column=”status” javaType=”String”/> <result property=”did” […]
[Solved] android gets java.lang.reflect.InvocationTargetException for system cache
android gets java.lang.reflect.InvocationTargetException for system cache Today I will share with you a method for obtaining the cache information of android mobile phone applications and the adaptation of versions above androidO. If the adaptation is not compatible, a java.lang.reflect.InvocationTargetException error will be reported. The method we used to obtain is as follows: public void getPackageSizeInfo(String […]