• Error creating bean with name ‘sessionFactory’ defined


    Error creating bean with name ‘sessionFactory’ defined in class path resource [spring/applicationContext-hibernate.xml]: Invocation of init method failed; nested exception is org.hibernate.MappingException: entity class not found: com.zking.ssh.book.entity.Module Using SSH development project, this error is reported when starting the service with Tomcat. After carefully verifying the corresponding package and class mapping, the startup is still an error. […]

  • Ora-12541: TNS: no listener


    Ora-12541: TNS: no listener Error when connecting to database:Error: ora-12541: TNS: no listener Interpretation:The listening service of the database is not started normally. Idea:1.Win+R——>services.msc——>CheckOracleOraDB12Home1TNSListener、OracleServiceORCLWhether the service is started. If not, click start and modify it to self start.2. If the problem still cannot be solved after startup, stop the above services first. Find the listening […]

  • 9.3 k8s minimum dispatching unit pod


    Relationship with container A pod can contain one or more containers Pod management Create a new pod_ Nginx.yml file apiVersion: v1 kind: Pod metadata: name: nginx labels: app: nginx spec: containers: – name: nginx image: nginx ports: – containerPort: 80 establish #If the installation fails or hangs, you can view the error message through kubectl […]