我以前有 Spring Boot 應(yīng)用程序，我曾經(jīng)在 Eclipse 中使用過它在那里工作，最近切換到 IntelliJ，在 IntelliJ 應(yīng)用程序中沒有盯著，在這里我在啟動(dòng)時(shí)共享日志 . ____ _ __ _ _ /\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \ \\/ ___)| |_)| | | | | || (_| | ) ) ) ) ' |____| .__|_| |_|_| |_\__, | / / / / =========|_|==============|___/=/_/_/_/ :: Spring Boot :: (v2.0.0.RELEASE)2019-09-20 13:34:56.609 INFO 30977 --- [ restartedMain] com.kn.Application : Starting Application on Dhanu-MAC.local with PID 30977 (/Applications/Data/RT/20190815_source_prod/2_etn_backend/target/classes started by dhanu in /Applications/Data/RT/20190815_source_prod/2_etn_backend)2019-09-20 13:34:56.621 INFO 30977 --- [ restartedMain] com.kn.Application : The following profiles are active: devWARNING: An illegal reflective access operation has occurredWARNING: Illegal reflective access by org.codehaus.groovy.reflection.CachedClass (file:/Users/dhanu/.m2/repository/org/codehaus/groovy/groovy/2.4.13/groovy-2.4.13.jar) to method java.lang.Object.finalize()WARNING: Please consider reporting this to the maintainers of org.codehaus.groovy.reflection.CachedClassWARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operationsWARNING: All illegal access operations will be denied in a future release正如我在日志中看到的，它已成功與數(shù)據(jù)庫連接，但 tomcat 停止了，沒有顯示任何原因我在這里呆了很長(zhǎng)一段時(shí)間，有人可以幫忙嗎？
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TA貢獻(xiàn)1883條經(jīng)驗(yàn) 獲得超3個(gè)贊
嵌套異常是java.lang.NoClassDefFoundError: javax/xml/bind/annotation/XmlElement
簡(jiǎn)而言之：隨著 Java 9 的發(fā)布，所需的依賴項(xiàng)已從 JDK 中刪除。如果您使用 Java 8 JDK 啟動(dòng)應(yīng)用程序，則會(huì)提供依賴項(xiàng)并且您的應(yīng)用程序可以正常運(yùn)行。如果您使用 Java 9 JDK 或更高版本啟動(dòng)應(yīng)用程序，則依賴項(xiàng)將不再存在并且無法啟動(dòng)。
修復(fù)此問題的正確解決方案是將所需的依賴項(xiàng)添加到您的項(xiàng)目中：
dependencies {
? ? // JAX-B dependencies for JDK 9+
? ? implementation "javax.xml.bind:jaxb-api:2.2.11"
? ? implementation "com.sun.xml.bind:jaxb-core:2.2.11"
? ? implementation "com.sun.xml.bind:jaxb-impl:2.2.11"
? ? implementation "javax.activation:activation:1.1.1"
}
Maven 依賴項(xiàng)
<!-- https://mvnrepository.com/artifact/javax.xml.bind/jaxb-api -->
? ? ? ? <dependency>
? ? ? ? ? ? <groupId>javax.xml.bind</groupId>
? ? ? ? ? ? <artifactId>jaxb-api</artifactId>
? ? ? ? ? ? <version>2.2.11</version>
? ? ? ? </dependency>
? ? ? ? <!-- https://mvnrepository.com/artifact/com.sun.xml.bind/jaxb-core -->
? ? ? ? <dependency>
? ? ? ? ? ? <groupId>com.sun.xml.bind</groupId>
? ? ? ? ? ? <artifactId>jaxb-core</artifactId>
? ? ? ? ? ? <version>2.2.11</version>
? ? ? ? </dependency>
? ? ? ? <!-- https://mvnrepository.com/artifact/com.sun.xml.bind/jaxb-impl -->
? ? ? ? <dependency>
? ? ? ? ? ? <groupId>com.sun.xml.bind</groupId>
? ? ? ? ? ? <artifactId>jaxb-impl</artifactId>
? ? ? ? ? ? <version>2.2.11</version>
? ? ? ? </dependency>
? ? ? ? <!-- https://mvnrepository.com/artifact/javax.activation/activation -->
? ? ? ? <dependency>
? ? ? ? ? ? <groupId>javax.activation</groupId>
? ? ? ? ? ? <artifactId>activation</artifactId>
? ? ? ? ? ? <version>1.1.1</version>
? ? ? ? </dependency>
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