Category Archives: JAVA

[Solved] Error creating bean with name ‘sqlSessionFactory‘ defined in class path resource 

Error creating bean with name 'sqlSessionFactory' defined in class path resource [applicationContext.xml]: Initialization of bean failed; nested exception is
Could not resolve resource location pattern [classpath:com/test/mapper/*.xml]: class path resource [com/test/mapper/] cannot be resolved to URL because it does not exist

 

Spring MVC error
When you encounter this error, put the entity class in src/main/java instead of src/test/java

[Solved] shiro Error: SLF4J: Failed to load class “org.slf4j.impl.StaticLoggerBinder“.

shiro error: SLF4J: Failed to load class “org.slf4j.impl.StaticLoggerBinder“.

Shiro reports an error

SLF4J: Failed to load class “org.slf4j.impl.StaticLoggerBinder“.

Reason found after search:

Logging implication loading org.slf4j.impl.StaticLoggerBinder class failed
This warning message is reported when running the “org.slf4j.impl. Unable to load StaticLoggerBinder class into memory. This happens when a suitable SLF4J binding cannot be found on the class path. Putting one (and only one) of slf4j-nop.jar slf4j-simple.jar, slf4j-log4j12.jar, slf4j-jdk14.jar, or logback-classic.jar on the class path should solve the problem.
Note that the slf4j-api version is 2.0. x and later using the ServiceLoader mechanism. Backends, such as logback 1.3 and later, target slf4j-api 2. Do not distribute with org.slf4j.impl.StaticLoggerBinder. If you set up a logging backend targeting slf4j-api 2.0. X, you need to install slf4j-api-2.x.jar on the class path. See the related faq entry.

Solution:
Remove one of the jar packages slf4j-nop.jar slf4j-simple.jar, slf4j-log4j12.jar, slf4j-jdk14.jar or logback-classic.jar, leaving only one
runs successfully

[Solved] JSONUtil.toJsonStr() Error: org.springframework.web.util.NestedServletException: Handler dispatch failed…

hutool tool JSONUtil.toJsonStr() error:

org.springframework.web.util.NestedServletException: Handler dispatch failed; nested exception is java.lang.StackOverflowError
	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1053)
	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:942)
	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1005)
	at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:908)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:660)
	at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:882)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at com.yx.config.security.permission.MyFilterSecurityInterceptor.invoke(MyFilterSecurityInterceptor.java:48)
	at com.yx.config.security.permission.MyFilterSecurityInterceptor.doFilter(MyFilterSecurityInterceptor.java:42)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at com.yx.config.web.request.HttpServletFilter.doFilter(HttpServletFilter.java:30)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:320)
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:127)
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:91)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
	at com.yx.config.security.permission.MyFilterSecurityInterceptor.invoke(MyFilterSecurityInterceptor.java:48)
	at com.yx.config.security.permission.MyFilterSecurityInterceptor.doFilter(MyFilterSecurityInterceptor.java:42)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:119)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:137)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:111)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:170)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:63)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
	at com.yx.config.security.jwt.JWTAuthenticationFilter.doFilterInternal(JWTAuthenticationFilter.java:106)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:200)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:116)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
	at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:74)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:105)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
	at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:56)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:215)
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:178)
	at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:357)
	at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:270)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:92)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:93)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:200)
	at org.apache.catalina.core.StandardContextValve.__invoke(StandardContextValve.java:96)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:41002)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:490)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408)
	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:834)
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1415)
	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.StackOverflowError

The reason is that the incoming data is an entity class

Solution: just income vo or dto is OK

[Solved] Spring set xml Component Scanning error: Caused by: org.springframework.beans.factory.xml.XmlBeanDefinitionStoreException…

Spring set xml Component Scanning error

Caused by: org.springframework.beans.factory.xml.XmlBeanDefinitionStoreException: Line 9 in XML document from class path resource [applicationConfig.xml] is invalid; nested exception is org.xml.sax.SAXParseException; lineNumber: 9; columnNumber: 62; cvc-complex-type.2.4.c: The wildcard match is comprehensive, but the declaration of the element ‘context:component-scan’ cannot be found.

Reason:
applicationConfig configurate schemaLocation error:

Solution:

Done!!!

[Solved] Spring integrates canal to call feign error: pool-1-thread-1

Spring integrates canal to call feign error: pool-1-thread-1

canal Error: pool-1-thread-1: Error occurred when invoke the listener’s interface! class:com.changgou.canal.CanalDataEventListener, method:onEventCustomUpdate
feign call error:

om.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure

The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
	at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.15.jar:8.0.15]
	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.15.jar:8.0.15]
	at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:835) ~[mysql-connector-java-8.0.15.jar:8.0.15]
	at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:455) ~[mysql-connector-java-8.0.15.jar:8.0.15]
	at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:240) ~[mysql-connector-java-8.0.15.jar:8.0.15]
	at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:199) ~[mysql-connector-java-8.0.15.jar:8.0.15]
	at com.zaxxer.hikari.util.DriverDataSource.getConnection(DriverDataSource.java:136) ~[HikariCP-3.2.0.jar:na]
	at com.zaxxer.hikari.pool.PoolBase.newConnection(PoolBase.java:369) ~[HikariCP-3.2.0.jar:na]
	at com.zaxxer.hikari.pool.PoolBase.newPoolEntry(PoolBase.java:198) ~[HikariCP-3.2.0.jar:na]
	at com.zaxxer.hikari.pool.HikariPool.createPoolEntry(HikariPool.java:467) [HikariCP-3.2.0.jar:na]
	at com.zaxxer.hikari.pool.HikariPool.checkFailFast(HikariPool.java:541) [HikariCP-3.2.0.jar:na]
	at com.zaxxer.hikari.pool.HikariPool.<init>(HikariPool.java:115) [HikariCP-3.2.0.jar:na]
	at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:112) [HikariCP-3.2.0.jar:na]
	at com.zaxxer.hikari.HikariDataSource$$FastClassBySpringCGLIB$$eeb1ae86.invoke(<generated>) [HikariCP-3.2.0.jar:na]
	at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:218) [spring-core-5.1.6.RELEASE.jar:5.1.6.RELEASE]
	at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:749) [spring-aop-5.1.6.RELEASE.jar:5.1.6.RELEASE]
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163) [spring-aop-5.1.6.RELEASE.jar:5.1.6.RELEASE]
	at org.springframework.aop.support.DelegatingIntroductionInterceptor.doProceed(DelegatingIntroductionInterceptor.java:136) [spring-aop-5.1.6.RELEASE.jar:5.1.6.RELEASE]
	at org.springframework.aop.support.DelegatingIntroductionInterceptor.invoke(DelegatingIntroductionInterceptor.java:124) [spring-aop-5.1.6.RELEASE.jar:5.1.6.RELEASE]
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) [spring-aop-5.1.6.RELEASE.jar:5.1.6.RELEASE]
	at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:688) [spring-aop-5.1.6.RELEASE.jar:5.1.6.RELEASE]
	at com.zaxxer.hikari.HikariDataSource$$EnhancerBySpringCGLIB$$97c0ce60.getConnection(<generated>) [HikariCP-3.2.0.jar:na]
	at org.springframework.jdbc.datasource.DataSourceUtils.fetchConnection(DataSourceUtils.java:157) [spring-jdbc-5.1.6.RELEASE.jar:5.1.6.RELEASE]
	at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:115) [spring-jdbc-5.1.6.RELEASE.jar:5.1.6.RELEASE]
	at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:78) [spring-jdbc-5.1.6.RELEASE.jar:5.1.6.RELEASE]
	at org.mybatis.spring.transaction.SpringManagedTransaction.openConnection(SpringManagedTransaction.java:82) [mybatis-spring-1.3.2.jar:1.3.2]
	at org.mybatis.spring.transaction.SpringManagedTransaction.getConnection(SpringManagedTransaction.java:68) [mybatis-spring-1.3.2.jar:1.3.2]
	at org.apache.ibatis.executor.BaseExecutor.getConnection(BaseExecutor.java:338) [mybatis-3.4.6.jar:3.4.6]
	at org.apache.ibatis.executor.SimpleExecutor.prepareStatement(SimpleExecutor.java:84) [mybatis-3.4.6.jar:3.4.6]
	at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:62) [mybatis-3.4.6.jar:3.4.6]
	at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:326) [mybatis-3.4.6.jar:3.4.6]
	at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:156) [mybatis-3.4.6.jar:3.4.6]
	at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:109) [mybatis-3.4.6.jar:3.4.6]
	at com.github.pagehelper.PageInterceptor.intercept(PageInterceptor.java:143) [pagehelper-5.1.2.jar:na]
	at org.apache.ibatis.plugin.Plugin.invoke(Plugin.java:61) [mybatis-3.4.6.jar:3.4.6]
	at com.sun.proxy.$Proxy141.query(Unknown Source) [na:na]
	at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:148) [mybatis-3.4.6.jar:3.4.6]
	at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:141) [mybatis-3.4.6.jar:3.4.6]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_301]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_301]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_301]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_301]
	at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:433) [mybatis-spring-1.3.2.jar:1.3.2]
	at com.sun.proxy.$Proxy85.selectList(Unknown Source) [na:na]
	at org.mybatis.spring.SqlSessionTemplate.selectList(SqlSessionTemplate.java:230) [mybatis-spring-1.3.2.jar:1.3.2]
	at org.apache.ibatis.binding.MapperMethod.executeForMany(MapperMethod.java:139) [mybatis-3.4.6.jar:3.4.6]
	at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:76) [mybatis-3.4.6.jar:3.4.6]
	at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:59) [mybatis-3.4.6.jar:3.4.6]
	at com.sun.proxy.$Proxy97.select(Unknown Source) [na:na]
	at com.changgou.content.service.impl.ContentServiceImpl.findByCategory(ContentServiceImpl.java:32) [classes/:na]
	at com.changgou.content.controller.ContentController.findByCategory(ContentController.java:31) [classes/:na]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_301]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_301]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_301]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_301]
	at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:189) [spring-web-5.1.6.RELEASE.jar:5.1.6.RELEASE]
	at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138) [spring-web-5.1.6.RELEASE.jar:5.1.6.RELEASE]
	at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:102) [spring-webmvc-5.1.6.RELEASE.jar:5.1.6.RELEASE]
	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:892) [spring-webmvc-5.1.6.RELEASE.jar:5.1.6.RELEASE]
	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:797) [spring-webmvc-5.1.6.RELEASE.jar:5.1.6.RELEASE]
	at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87) [spring-webmvc-5.1.6.RELEASE.jar:5.1.6.RELEASE]
	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1038) [spring-webmvc-5.1.6.RELEASE.jar:5.1.6.RELEASE]
	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:942) [spring-webmvc-5.1.6.RELEASE.jar:5.1.6.RELEASE]
	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1005) [spring-webmvc-5.1.6.RELEASE.jar:5.1.6.RELEASE]
	at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:897) [spring-webmvc-5.1.6.RELEASE.jar:5.1.6.RELEASE]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:634) [tomcat-embed-core-9.0.17.jar:9.0.17]
	at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:882) [spring-webmvc-5.1.6.RELEASE.jar:5.1.6.RELEASE]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:741) [tomcat-embed-core-9.0.17.jar:9.0.17]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) [tomcat-embed-core-9.0.17.jar:9.0.17]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [tomcat-embed-core-9.0.17.jar:9.0.17]
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) [tomcat-embed-websocket-9.0.17.jar:9.0.17]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [tomcat-embed-core-9.0.17.jar:9.0.17]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [tomcat-embed-core-9.0.17.jar:9.0.17]
	at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99) [spring-web-5.1.6.RELEASE.jar:5.1.6.RELEASE]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-5.1.6.RELEASE.jar:5.1.6.RELEASE]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [tomcat-embed-core-9.0.17.jar:9.0.17]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [tomcat-embed-core-9.0.17.jar:9.0.17]
	at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:92) [spring-web-5.1.6.RELEASE.jar:5.1.6.RELEASE]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-5.1.6.RELEASE.jar:5.1.6.RELEASE]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [tomcat-embed-core-9.0.17.jar:9.0.17]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [tomcat-embed-core-9.0.17.jar:9.0.17]
	at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:93) [spring-web-5.1.6.RELEASE.jar:5.1.6.RELEASE]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-5.1.6.RELEASE.jar:5.1.6.RELEASE]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [tomcat-embed-core-9.0.17.jar:9.0.17]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [tomcat-embed-core-9.0.17.jar:9.0.17]
	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200) [spring-web-5.1.6.RELEASE.jar:5.1.6.RELEASE]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-5.1.6.RELEASE.jar:5.1.6.RELEASE]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [tomcat-embed-core-9.0.17.jar:9.0.17]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [tomcat-embed-core-9.0.17.jar:9.0.17]
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:200) [tomcat-embed-core-9.0.17.jar:9.0.17]
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) [tomcat-embed-core-9.0.17.jar:9.0.17]
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:490) [tomcat-embed-core-9.0.17.jar:9.0.17]
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139) [tomcat-embed-core-9.0.17.jar:9.0.17]
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92) [tomcat-embed-core-9.0.17.jar:9.0.17]
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74) [tomcat-embed-core-9.0.17.jar:9.0.17]
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343) [tomcat-embed-core-9.0.17.jar:9.0.17]
	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408) [tomcat-embed-core-9.0.17.jar:9.0.17]
	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) [tomcat-embed-core-9.0.17.jar:9.0.17]
	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:834) [tomcat-embed-core-9.0.17.jar:9.0.17]
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1415) [tomcat-embed-core-9.0.17.jar:9.0.17]
	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) [tomcat-embed-core-9.0.17.jar:9.0.17]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [na:1.8.0_301]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [na:1.8.0_301]
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-embed-core-9.0.17.jar:9.0.17]
	at java.lang.Thread.run(Thread.java:748) [na:1.8.0_301]
Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure

The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_301]
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_301]
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_301]
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_301]
	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.15.jar:8.0.15]
	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.15.jar:8.0.15]
	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.15.jar:8.0.15]
	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.15.jar:8.0.15]
	at com.mysql.cj.protocol.a.NativeProtocol.negotiateSSLConnection(NativeProtocol.java:361) ~[mysql-connector-java-8.0.15.jar:8.0.15]
	at com.mysql.cj.protocol.a.NativeAuthenticationProvider.negotiateSSLConnection(NativeAuthenticationProvider.java:777) ~[mysql-connector-java-8.0.15.jar:8.0.15]
	at com.mysql.cj.protocol.a.NativeAuthenticationProvider.proceedHandshakeWithPluggableAuthentication(NativeAuthenticationProvider.java:486) ~[mysql-connector-java-8.0.15.jar:8.0.15]
	at com.mysql.cj.protocol.a.NativeAuthenticationProvider.connect(NativeAuthenticationProvider.java:202) ~[mysql-connector-java-8.0.15.jar:8.0.15]
	at com.mysql.cj.protocol.a.NativeProtocol.connect(NativeProtocol.java:1449) ~[mysql-connector-java-8.0.15.jar:8.0.15]
	at com.mysql.cj.NativeSession.connect(NativeSession.java:165) ~[mysql-connector-java-8.0.15.jar:8.0.15]
	at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:955) ~[mysql-connector-java-8.0.15.jar:8.0.15]
	at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:825) ~[mysql-connector-java-8.0.15.jar:8.0.15]
	... 102 common frames omitted
Caused by: javax.net.ssl.SSLHandshakeException: No appropriate protocol (protocol is disabled or cipher suites are inappropriate)
	at sun.security.ssl.HandshakeContext.<init>(HandshakeContext.java:171) ~[na:1.8.0_301]
	at sun.security.ssl.ClientHandshakeContext.<init>(ClientHandshakeContext.java:101) ~[na:1.8.0_301]
	at sun.security.ssl.TransportContext.kickstart(TransportContext.java:238) ~[na:1.8.0_301]
	at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:394) ~[na:1.8.0_301]
	at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:373) ~[na:1.8.0_301]
	at com.mysql.cj.protocol.ExportControlled.performTlsHandshake(ExportControlled.java:315) ~[mysql-connector-java-8.0.15.jar:8.0.15]
	at com.mysql.cj.protocol.StandardSocketFactory.performTlsHandshake(StandardSocketFactory.java:188) ~[mysql-connector-java-8.0.15.jar:8.0.15]
	at com.mysql.cj.protocol.a.NativeSocketConnection.performTlsHandshake(NativeSocketConnection.java:99) ~[mysql-connector-java-8.0.15.jar:8.0.15]
	at com.mysql.cj.protocol.a.NativeProtocol.negotiateSSLConnection(NativeProtocol.java:352) ~[mysql-connector-java-8.0.15.jar:8.0.15]
	... 109 common frames omitted

You can check whether the database connection address in the YML file is added or not: &useSSL=false

[Solved] nested exception is java.lang.NoClassDefFoundError: javax/xml/bind/DatatypeConverter

Error: javax/xml/bind/DatatypeConverter

Error content

org.springframework.web.util.NestedServletException: Handler dispatch failed; nested exception is java.lang.NoClassDefFoundError: javax/xml/bind/DatatypeConverter
  at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1055)
  at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:943)
  at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006)
  at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:909)
  at javax.servlet.http.HttpServlet.service(HttpServlet.java:660)
  at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883)
  at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
  at

Error reporting reason:

JAXB API is an API for java EE and this Jar package is no longer included in java SE 9.0.
By default, the Jar package for java EE will no longer be included in Java SE
In JDK 6/7/8 about this API are bundled together.

Solutioin:

Method I:

Downgrade the version of JDK to JDK 8

Method II:

The following parts are introduced into the dependencies of the pom.xml file:

<dependency>
        <groupId>javax.xml.bind</groupId>
        <artifactId>jaxb-api</artifactId>
        <version>2.3.0</version>
    </dependency>
    <dependency>
        <groupId>com.sun.xml.bind</groupId>
        <artifactId>jaxb-impl</artifactId>
        <version>2.3.0</version>
    </dependency>
    <dependency>
        <groupId>com.sun.xml.bind</groupId>
        <artifactId>jaxb-core</artifactId>
        <version>2.3.0</version>
    </dependency>
    <dependency>
        <groupId>javax.activation</groupId>
        <artifactId>activation</artifactId>
        <version>1.1.1</version>
    </dependency>

[Solved] SSM startup error: ClassNotFoundException: java.lang.ClassNotFoundException: org.springframework.web.context.ContextLoaderListener

SSM Startup Error: ClassNotFoundException

Phenomenon

Error message after adding jar package again:
java.lang.ClassNotFoundException: org.springframework.web.context.ContextLoaderListener

 

Solution:

Select Project Structure in the file and then select Artifacts, right click on the rightmost project name and select Put into Output Root

How to Solve Flynk Task Java verifyerror 209 error

Flynk Task Java verifyerror 209 error

Projects developed using java will more or less encounter problems similar to verifyerror
flash version: flash-1.10.1
JDK version: 1.8.0_20

java version "1.8.0_20"
Java(TM) SE Runtime Environment (build 1.8.0_20-b26)
Java HotSpot(TM) 64-Bit Server VM (build 25.20-b23, mixed mode)

report errors:

22/05/16 16:46:08 INFO entrypoint.ClusterEntrypoint: Shutting YarnJobClusterEntrypoint down with application status FAILED. Diagnostics java.lang.Exception: Could not create actor system
	at org.apache.flink.runtime.clusterframework.BootstrapTools.startActorSystem(BootstrapTools.java:278)
	at org.apache.flink.runtime.clusterframework.BootstrapTools.startActorSystem(BootstrapTools.java:164)
	at org.apache.flink.runtime.clusterframework.BootstrapTools.startActorSystem(BootstrapTools.java:123)
	at org.apache.flink.runtime.clusterframework.BootstrapTools.startActorSystem(BootstrapTools.java:98)
	at org.apache.flink.runtime.rpc.akka.AkkaRpcServiceUtils.createRpcService(AkkaRpcServiceUtils.java:85)
	at org.apache.flink.runtime.entrypoint.ClusterEntrypoint.createRpcService(ClusterEntrypoint.java:285)
	at org.apache.flink.runtime.entrypoint.ClusterEntrypoint.initializeServices(ClusterEntrypoint.java:254)
	at org.apache.flink.runtime.entrypoint.ClusterEntrypoint.runCluster(ClusterEntrypoint.java:207)
	at org.apache.flink.runtime.entrypoint.ClusterEntrypoint.lambda$startCluster$0(ClusterEntrypoint.java:169)
	at org.apache.flink.runtime.entrypoint.ClusterEntrypoint$$Lambda$18/1199262943.call(Unknown Source)
	at org.apache.flink.runtime.security.HadoopSecurityContext$$Lambda$19/590845366.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1836)
	at org.apache.flink.runtime.security.HadoopSecurityContext.runSecured(HadoopSecurityContext.java:41)
	at org.apache.flink.runtime.entrypoint.ClusterEntrypoint.startCluster(ClusterEntrypoint.java:168)
	at org.apache.flink.runtime.entrypoint.ClusterEntrypoint.runClusterEntrypoint(ClusterEntrypoint.java:518)
	at org.apache.flink.yarn.entrypoint.YarnJobClusterEntrypoint.main(YarnJobClusterEntrypoint.java:119)
Caused by: java.lang.VerifyError: Uninitialized object exists on backward branch 209
Exception Details:
  Location:
    scala/collection/immutable/HashMap$HashTrieMap.split()Lscala/collection/immutable/Seq; @249: goto
  Reason:
    Error exists in the bytecode
  Bytecode:
    0x0000000: 2ab6 0064 04a0 001e b200 c1b2 00c6 04bd
    0x0000010: 0002 5903 2a53 c000 c8b6 00cc b600 d0c0
    0x0000020: 00d2 b02a b600 38b8 0042 3c1b 04a4 0156
    0x0000030: 1b05 6c3d 2a1b 056c 2ab6 0038 b700 d43e
    0x0000040: 2ab6 0038 021d 787e 3604 2ab6 0038 0210
    0x0000050: 201d 647c 7e36 05bb 0019 59b2 00c6 2ab6
    0x0000060: 003a c000 c8b6 00d8 b700 db1c b600 df3a
    0x0000070: 0619 06c6 001a 1906 b600 e3c0 008b 3a07
    0x0000080: 1906 b600 e6c0 008b 3a08 a700 0dbb 00e8
    0x0000090: 5919 06b7 00eb bf19 073a 0919 083a 0abb
    0x00000a0: 0002 5915 0419 09bb 0019 59b2 00c6 1909
    0x00000b0: c000 c8b6 00d8 b700 db03 b800 f13a 0e3a
    0x00000c0: 0d03 190d b900 f501 0019 0e3a 1136 1036
    0x00000d0: 0f15 0f15 109f 0027 150f 0460 1510 190d
    0x00000e0: 150f b900 f802 00c0 0005 3a17 1911 1917
    0x00000f0: b800 fc3a 1136 1036 0fa7 ffd8 1911 b801
    0x0000100: 00b7 0069 3a0b bb00 0259 1505 190a bb00
    0x0000110: 1959 b200 c619 0ac0 00c8 b600 d8b7 00db
    0x0000120: 03b8 00f1 3a13 3a12 0319 12b9 00f5 0100
    0x0000130: 1913 3a16 3615 3614 1514 1515 9f00 2715
    0x0000140: 1404 6015 1519 1215 14b9 00f8 0200 c000
    0x0000150: 053a 1819 1619 18b8 0103 3a16 3615 3614
    0x0000160: a7ff d819 16b8 0100 b700 693a 0cbb 0105
    0x0000170: 5919 0bbb 0105 5919 0cb2 010a b701 0db7
    0x0000180: 010d b02a b600 3a03 32b6 010f b0       
  Stackmap Table:
    same_frame(@35)
    full_frame(@141,{Object[#2],Integer,Integer,Integer,Integer,Integer,Object[#118]},{})
    append_frame(@151,Object[#139],Object[#139])
    full_frame(@209,{Object[#2],Integer,Integer,Integer,Integer,Integer,Object[#118],Object[#139],Object[#139],Object[#139],Object[#139],Top,Top,Object[#25],Object[#62],Integer,Integer,Object[#116]},{Uninitialized[#159],Uninitialized[#159],Integer,Object[#139]})
    full_frame(@252,{Object[#2],Integer,Integer,Integer,Integer,Integer,Object[#118],Object[#139],Object[#139],Object[#139],Object[#139],Top,Top,Object[#25],Object[#62],Integer,Integer,Object[#116]},{Uninitialized[#159],Uninitialized[#159],Integer,Object[#139]})
    full_frame(@312,{Object[#2],Integer,Integer,Integer,Integer,Integer,Object[#118],Object[#139],Object[#139],Object[#139],Object[#139],Object[#2],Top,Object[#25],Object[#62],Integer,Integer,Object[#116],Object[#25],Object[#62],Integer,Integer,Object[#116]},{Uninitialized[#262],Uninitialized[#262],Integer,Object[#139]})
    full_frame(@355,{Object[#2],Integer,Integer,Integer,Integer,Integer,Object[#118],Object[#139],Object[#139],Object[#139],Object[#139],Object[#2],Top,Object[#25],Object[#62],Integer,Integer,Object[#116],Object[#25],Object[#62],Integer,Integer,Object[#116]},{Uninitialized[#262],Uninitialized[#262],Integer,Object[#139]})
    full_frame(@387,{Object[#2],Integer},{})

Solution:
change JDK version to: 1.8.0_271

java version "1.8.0_271"
Java(TM) SE Runtime Environment (build 1.8.0_271-b09)
Java HotSpot(TM) 64-Bit Server VM (build 25.271-b09, mixed mode)

[Solved] Error building SqlSession.The error may exist in XXXXXMapper/xml

 

Problem description

describe the problems encountered in the project here:
caused by: org.apache.ibatis.exceptions.PersistenceException:

Error building SqlSession.

The error may exist in XXXXXMapper/xml

Cause analysis:

1. Cannot find mapper file associated with; Error in mapper’s fully qualified name (primary cause)

Solution:

1. Check whether the corresponding mapper file name is correct
2. Check whether the fully qualified name corresponding to mapper file in the configuration file is correct. The fully qualified name is separated by “/”
quick copy file fully qualified name:
right click the target file as follows

[Solved] RabbitMQ Error: Error creating bean with name ‘rabbitConnectionFactory‘ defined in class path resource

1. Error Messages:

Error creating bean with name 'rabbitConnectionFactory' defined in class path resource [org/springframework/boot/autoconfigure/amqp/RabbitAutoConfiguration$RabbitConnectionFactoryCreator.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.amqp.rabbit.connection.CachingConnectionFactory]: Factory method 'rabbitConnectionFactory' threw exception; nested exception is java.lang.IllegalArgumentException: Address 192.168.74.128:5672:5672 seems to contain an unquoted IPv6 address. Make sure you quote IPv6 addresses like so: [2001:db8:85a3:8d3:1319:8a2e:370:7348]
2. Reason
Address 192.168.74.128:5672:5672 seems to contain an unquoted IPv6 address. Make sure you quote IPv6 addresses like so: [2001:db8:85a3:8d3:1319:8a2e:370:7348]
Identified as ipv6, rabbitmq should also support IPV6
3. Solution
application.yml File

 rabbitmq:
  #host: 192.168.74.128:5672//去掉端口
  host: 192.168.74.128
  username: admin
  password: 123123
  virtual-host: /

[Solved] jvm 1 Error occurred during initialization of VM Could not reserve enough space for object heap

When I double click activemq.bat to start MQ and reports the following error,

The reason is caused by insufficient memory. You can use Ctrl + Alt + Del –> Task manager, close some process tasks to make room, and then start again

 

Solution:

Method 1:

There may be other similar situations, which may also be caused by the non rent of memory

For example, the error of starting Kafka package in the following figure: Java HotSpot(TM) 64-Bit Server VM warning: INFO: os::commit_memory(0x00000000c0000000, 1073741824, 0) failed; error=’The page file is too small and it can be operated.’ (DOS error/errno=1455)

Through the method agreed above, you can start successfully

 

Method 2:

  1. Open the idea location and select the idea64.exe.vmoptions file.

  1. Open this file as a text document
  2. Modify the parameters to be larger

 

Notice:

  1. Restart the idea and project after making changes
  2. If it does not take effect, modify the other one under the same folder as shown in Figure 1 below
  3. If it does not take effect yet, modify the file in this path in the C drive, as shown in Figure 2 below

Springboot integrates Redis annotation and access error: java.io.NotSerializableException: com.demo.entity.MemberEntity

Problem Description.
SpringBoot integration with Redis annotations, requesting an error:

java.io.NotSerializableException: com.demo.entity.MemberEntity at
java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1184)
~[na:1.8.0_191] at
java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:348)
~[na:1.8.0_191] at
java.util.ArrayList.writeObject(ArrayList.java:766) ~[na:1.8.0_191]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
~[na:1.8.0_191] at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
~[na:1.8.0_191] at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
~[na:1.8.0_191] at java.lang.reflect.Method.invoke(Method.java:498)
~[na:1.8.0_191] at
java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:1140)
~[na:1.8.0_191] at
java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1496)
~[na:1.8.0_191] at
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
~[na:1.8.0_191] at
java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
~[na:1.8.0_191] at
java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:348)
~[na:1.8.0_191]

Problem: Serialization is not performed in the entity class
Solution: Serializable interface is implemented in the entity class