小编Jev*_*man的帖子

我从github做了nginx入口控制器教程并公开了kubernetes仪表板

kubernetes-dashboard   NodePort    10.233.53.77    <none>        443:31925/TCP   20d

创造了入口

apiVersion: extensions/v1beta1
kind: Ingress
metadata:
  annotations:
    ingress.kubernetes.io/ssl-passthrough: "true"
    nginx.org/ssl-backends: "kubernetes-dashboard"
    kubernetes.io/ingress.allow-http: "false"
  name: dashboard-ingress
  namespace: kube-system
spec:
  tls:
  - hosts:
    - serverdnsname
    secretName: kubernetes-dashboard-certs
  rules:
  - host: serverdnsname
    http:
      paths:
      - path: /dashboard
        backend:
          serviceName: kubernetes-dashboard
          servicePort: 443

ingress-nginx   ingress-nginx          NodePort    10.233.21.200   <none>        80:30827/TCP,443:32536/TCP   5h

https:// serverdnsname:32536 /仪表板 但仪表板抛出错误

2018/01/18 14:42:51 http: TLS handshake error from ipWhichEndsWith.77:52686: tls: first record does not look like a TLS handshake

和入口控制器日志

2018/01/18 14:42:51 …

情况：有书籍和类别。每个类别可以有 n 本书。想要从类别中创建新书、更新书或删除书。如果类别为空，则从数据库中删除它。当前插入、更新和删除书籍。

问题： orphanRemoval=true 如果类别为空，则不会删除类别。

@Entity
@Table(name = "book")
@Getter
@Setter
public class BookEntity implements DBEntity, Serializable {

    @Id
    private Integer id;
    private String bookname;
    @ManyToOne(cascade = {CascadeType.MERGE, CascadeType.PERSIST, CascadeType.DETACH, CascadeType.REFRESH})
    @JoinColumn(name = "categoryid", referencedColumnName = "id")
    private CategoryEntity categoryEntity;

    public Integer getId() {
        return this.id;
    }
}

@Entity
@Table(name = "category")
@Getter
@Setter

public class CategoryEntity implements DBEntity, Serializable {
    @Id
    private Integer id;
    private String categoryName;

    @OneToMany(cascade = CascadeType.REMOVE, mappedBy = "categoryEntity", orphanRemoval = true)
    private Set<BookEntity> …