Rebuild maven local repository index after updated the library


Please remember to rebuild the maven local repository index after your library is being updated. For example, common library that are developing.

留言

張貼留言

這個網誌中的熱門文章

10 Tips for Proper Application Logging

圖片
Reference: https://www.javacodegeeks.com/2011/01/10-tips-proper-application-logging.html   Our latest   JCP partner ,   Tomasz Nurkiewicz , has submitted a number of posts describing the basic principles of proper application   logging . I found them quite interesting, thus I decided to aggregate them in a more compact format and present them to you. So, here are his suggestions for clean and helpful logs:(NOTE: The original posts have been slightly edited to improve readability) 1) Use the appropriate tools for the job Many programmers seem to forget how important is logging an application’s behavior and its current activity. When somebody puts: 1 log.info( "Happy and carefree logging" ); happily somewhere in the code, he probably doesn’t realize the importance of application logs during maintenance, tuning and failure identification. Underestimating the value of good logs is a terrible mistake. In my opinion, SLF4J is the best logging API availab...
閱讀完整內容

java.lang.NoClassDefFoundError: org/apache/xerces/jaxp/datatype/XMLGregorianCalendarImpl$Parser

When you encounter the following error that related to web service. java.lang.NoClassDefFoundError: org/apache/xerces/jaxp/datatype/XMLGregorianCalendarImpl$Parser Solution 1: Ensure no xercesImpl.jar in your classpath since the implementation of xerce is built-in wiht JAVA SE 1.6. Solution 2: Use XmlJavaTypeAdapter [ @XmlJavaTypeAdapter(JaxbDateAdapter.class)] to convert XMLGregorianCalendar type to Date type. XMLGregorianCalendar is the built-in Java data type for JAXB mapping with datetime. Example: Binding.xjb <?xml version="1.0" encoding="UTF-8"?> <bindings xmlns="http://java.sun.com/xml/ns/jaxb"                 xmlns:xsi="http://www.w3.org/2000/10/XMLSchema-instance"                 xmlns:xjc="http://java.sun.com/xml/ns/jaxb/xjc"               ...
閱讀完整內容

Multiple writable mappings exist for the field. Only one may be defined as writable, all others must be specified read-only.

In entity bean, the foreign key usually replaced by the referential relationship such as : public class Status implements Serializable {     /**      *      */     private static final long serialVersionUID = 1L;     @Column(name="creation_datetime", nullable = false)     private Timestamp creationDatetime;     @Id     @Column(name="seq_no", nullable = false)     @GeneratedValue(strategy=GenerationType.IDENTITY)     private Integer seqNo;     @Column(name="status", nullable = false)     private String status;     @Column(name="car_id", nullable = false, insertable=false, updatable=false)     private String carId;     @ManyToOne     @JoinColumn(name = "car_id")     private Transaction transaction;     pub...
閱讀完整內容