An warware: javax.xml.bind babu shi

Da farko da gabatarwa, kuskuren "javax.xml.bind ba ya wanzu" yana ɗaya daga cikin matsalolin da masu haɓakawa ke fuskanta lokacin da ake canjawa daga tsoffin juzu'in Java zuwa sababbi, musamman daga Java 8 zuwa Java 9, ko kuma sabo. A lokacin wannan canji, kuna iya ci karo da wannan saƙon da ke nuni da cewa wani fakitin ya ɓace, musamman saboda an cire javax.xml.bind a Java 9, kuma an cire shi daga Java 11.

Ana amfani da `javax.xml.bind` don Architecture na Java don daurin XML (JAXB). Ana aiki dashi don canza abubuwan Java zuwa XML kuma akasin haka. Muhimmancin JAXB ba za a iya wuce gona da iri ba, saboda yana ba da hanyoyin da ba za a iya warwarewa ba, marshal da ingantattun ayyuka.

Matsalolin JDK da Magani

Babban dalilin wannan saƙon kuskure shine tare da sakin Java SE 9 da tsarin tsarin, an cire wasu fakiti daga hanyar da aka saba, gami da `javax.xml.bind`.

Don gyara mai sauri da ɗan lokaci, zaku iya amfani da zaɓin layin umarni na `–add-modules’ idan kuna gudanar da shirin ku daga layin umarni. Don Maven da sauran makamantan kayan aikin gini, zaku iya ƙara abubuwan dogaro kai tsaye a cikin fayil ɗin pom.xml ko build.gradle.

<!-- This command tells Java to add the 'java.xml.bind' module to your classpath -->
java --add-modules java.xml.bind YourApp

Koyaya, don ƙarin bayani na dindindin, musamman idan kuna shirin ƙaura ayyukanku zuwa Java 11 da kuma bayan haka, dole ne ku haɗa ɗakin karatu na JAXB (javax.xml.bind) da hannu a cikin hanyar aikinku.

Ƙara Dogaran JAXB, Mataki-mataki

Don haɗa JAXB a cikin aikinku, da farko kuna buƙatar ƙara dogaro da `jaxb-api` zuwa pom.xml ko build.gradle. Ana samar da aiwatar da JAXB a cikin ma'ajiyar ta `com.sun.xml.bind`.

<!-- In pom.xml, add the following dependencies -->
<dependencies>
    <dependency>
        <groupId>javax.xml.bind</groupId>
        <artifactId>jaxb-api</artifactId>
        <version>2.3.1</version>
    </dependency>
    <dependency>
        <groupId>com.sun.xml.bind</groupId>
        <artifactId>jaxb-impl</artifactId>
        <version>2.3.1</version>
    </dependency>
    <dependency>
        <groupId>com.sun.xml.bind</groupId>
        <artifactId>jaxb-core</artifactId>
        <version>2.3.0.1</version>
    </dependency>
</dependencies>

Bayan haɗa waɗannan abubuwan dogaro a cikin aikin ku, ya kamata a warware batun ku tare da "javax.xml.bind ba ya wanzu".

Fahimtar Tasirin Canje-canje a cikin Java 9 da Beyond

Java 9 ya gabatar da sabon tsarin tsarin wanda ya yi tasiri sosai kan yadda masu haɓakawa ke ginawa da sarrafa aikace-aikacen su. Ta hanyar yin fakiti kamar `javax.xml.bind` ba za a iya samun su ta tsohuwa ba, an tilasta wa masu haɓakawa su kasance da hankali game da dogaro da ayyukansu.

Wannan canjin, ko da yake yana daɗaɗawa a farko, ya ƙare yana ƙarfafa kyakkyawan aiki a gudanar da dogaro, yana sa ayyukan su zama masu ƙarfi da sauƙin kiyayewa a cikin dogon lokaci.

Wannan ya ce, waɗannan canje-canjen suna nufin cewa masu haɓakawa suna buƙatar sanin kansu da sabon tsarin tsarin da yadda ake sarrafa abin dogaro a sarari. Amma tare da wasu ayyuka, magance batutuwan da suka shafi bacewar kayayyaki a cikin Java 9 da kuma bayan sun zama abin sarrafawa, har ma da yanayi na biyu.

Wannan daidaitawa ga tsarin ƙirar Java shaida ce ga haɓakar yanayin fasaha da ikon masu haɓakawa don daidaitawa da canje-canje tare da sabbin ayyuka.