[Java]IDEA下项目JDK升级到11以上后,报javax.annotation不存在的解决方案

2021-09-04 30点热度 0人点赞 0条评论

前言

把项目的JDK升级成了JDK11后,发现原来的代码报错了,javax.annotation.Resource等地方,提示没有那个包:

java: package javax.annotation does not exist

解决

问题是Java11以后,都移除了javax.annotation,不过解决方案也简单,它只是不在标准的JDK里,还可以通过第三方jar包引入,或者利用maven引入:

pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<!--
  ~ Copyright (c) 2020.
  ~
  ~ Unless required by applicable law or agreed to in writing, software
  ~ distributed under the License is distributed on an "AS IS" BASIS,
  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  ~ See the License for the specific language governing permissions and
  ~ limitations under the License.
  ~
  -->

<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>com.terrynow</groupId>
    <artifactId>myapp</artifactId>
    <version>1.0-SNAPSHOT</version>


    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.6.0</version>
                <configuration>
                    <source>11</source>
                    <target>11</target>
                </configuration>
            </plugin>
        </plugins>
    </build>


    <dependencies>

        <!--其他依赖忽略-->

        
        <!--javax.annotation支持-->
        <dependency>
            <groupId>javax.annotation</groupId>
            <artifactId>javax.annotation-api</artifactId>
            <version>1.3.2</version>
        </dependency>

    

    </dependencies>
</project>

如上,问题解决!

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