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java - Spring Boot 运行 java: java.lang.NullPointerException 没有错误描述，intellij Mac OS Catalina

问题描述

我正在尝试在 IntelliJ 上启动 Spring Boot 应用程序。我在NullPointerException 类型的控制台中有两个错误，没有额外的描述。我不知道问题可能出在哪里。请帮我！

这是堆栈跟踪：

Executing pre-compile tasks...
Loading Ant Configuration...
Running Ant Tasks...
Running 'before' tasks
Checking sources
Copying resources... [xxx-xxx-xxx]
Checking dependencies... [xxx-xxx-xxx]
Dependency analysis found 0 affected files
Updating dependency information... [xxx-xxx-xxx]
Parsing java... [xxx-xxx-xxx]
java: Multiple elements named 'javax.annotation.Generated' in modules 'java.base, unnamed module, jdk.management.jfr, java.management, jdk.jfr, jdk.management, jdk.scripting.nashorn, java.scripting, java.logging, jdk.dynalink, javafx.web, javafx.base, java.desktop, java.datatransfer, java.xml, java.prefs, javafx.media, javafx.graphics, jdk.jsobject, javafx.controls, jdk.xml.dom, javafx.fxml, jdk.management.resource, java.instrument, jdk.security.auth, java.security.jgss, java.naming, java.security.sasl, jdk.jdi, jdk.attach, jdk.jdwp.agent, jdk.net, jdk.packager.services, jdk.jshell, jdk.compiler, java.compiler, jdk.security.jgss, jdk.jconsole, jdk.management.agent, java.management.rmi, java.rmi, jdk.accessibility, jdk.httpserver, jdk.sctp, javafx.swing, jdk.jartool, jdk.management.cmm, jdk.javadoc, jdk.unsupported, java.se, java.sql.rowset, java.sql, java.xml.crypto' were found by javax.lang.model.util.Elements.getTypeElement.
java: Multiple elements named 'javax.annotation.processing.Generated' in modules 'java.base, java.compiler, jdk.management.jfr, java.management, jdk.jfr, jdk.management, jdk.scripting.nashorn, java.scripting, java.logging, jdk.dynalink, javafx.web, javafx.base, java.desktop, java.datatransfer, java.xml, java.prefs, javafx.media, javafx.graphics, jdk.jsobject, javafx.controls, jdk.xml.dom, javafx.fxml, jdk.management.resource, java.instrument, jdk.security.auth, java.security.jgss, java.naming, java.security.sasl, jdk.jdi, jdk.attach, jdk.jdwp.agent, jdk.net, jdk.packager.services, jdk.security.jgss, jdk.jconsole, jdk.management.agent, java.management.rmi, java.rmi, jdk.accessibility, jdk.httpserver, jdk.sctp, javafx.swing, jdk.jartool, jdk.management.cmm, jdk.unsupported, java.sql.rowset, java.sql, java.xml.crypto' were found by javax.lang.model.util.Elements.getTypeElement.
java: Hibernate JPA 2 Static-Metamodel Generator 5.4.2.Final
java: java.lang.NullPointerException
java: java.lang.NullPointerException
Dependency analysis found 0 affected files
javac 11.0.8 was used to compile java sources
Finished, saving caches...
Executing post-compile tasks...
Loading Ant Configuration...
Running Ant Tasks...
Synchronizing output directories...
11/26/20, 22:19 - Build completed with 2 errors and 0 warnings in 4 s 916 ms

https://drive.google.com/file/d/1_SnlUKv9Tv6eQ2efjqh9oi9SXp_MUfoO/view?usp=sharing（输出控制台捕获）

标签： javamacosspring-bootintellij-ideanullpointerexception

解决方案

问题解决了。我使用的是与依赖项不兼容的 java 9。我切换到 Java 11

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