Spring Boot集成AWS Java SDK发送邮件时遇com.amazonaws.regions等包不存在错误求助

Hey there, let's work through this issue together—those missing package errors can be frustrating, but we've got a few solid fixes to try.

First, Let's Diagnose the Root Causes #

Your pom.xml looks like it has the right dependencies on paper (aws-java-sdk-ses and aws-java-sdk-core), but there are a few common pitfalls that might be blocking them from being recognized:

1. Force Refresh Your Maven Dependencies #

Sometimes Maven doesn't download dependencies correctly, or cached old versions are causing issues. Run this command in your project root to clean and refresh everything:

mvn clean install -U

The -U flag forces Maven to update snapshots and releases, ensuring you get the exact versions specified in your pom.xml.

2. Check for Dependency Conflicts #

Your temporal-sdk dependency might be pulling in a different version of aws-java-sdk-core that conflicts with your specified 1.12.98 version. To verify this, run:

mvn dependency:tree

Look for lines where com.amazonaws:aws-java-sdk-core shows up with a version other than 1.12.98. If you find one, exclude the conflicting version from the temporal-sdk dependency:

<dependency>
    <groupId>io.temporal</groupId>
    <artifactId>temporal-sdk</artifactId>
    <version>1.0.7</version>
    <exclusions>
        <exclusion>
            <groupId>com.amazonaws</groupId>
            <artifactId>aws-java-sdk-core</artifactId>
        </exclusion>
    </exclusions>
</dependency>

3. Ensure Java 17 Compatibility in Maven #

Since you're using Java 17, make sure your Maven compiler plugin is configured to target Java 17—this avoids issues where older compiler settings might not recognize newer SDK classes. Add this to your pom.xml's <build> section:

<build>
    <plugins>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-compiler-plugin</artifactId>
            <version>3.10.1</version>
            <configuration>
                <source>17</source>
                <target>17</target>
                <encoding>UTF-8</encoding>
            </configuration>
        </plugin>
    </plugins>
</build>

4. Upgrade Your AWS SDK Version #

The 1.12.98 version of AWS SDK v1 is a bit older, and while it should support Java 17, newer patches might resolve compatibility quirks. Try updating both aws-java-sdk-ses and aws-java-sdk-core to the latest 1.12.x release (as of now, that's around 1.12.500+):

<dependency>
    <groupId>com.amazonaws</groupId>
    <artifactId>aws-java-sdk-ses</artifactId>
    <version>1.12.510</version>
</dependency>
<dependency>
    <groupId>com.amazonaws</groupId>
    <artifactId>aws-java-sdk-core</artifactId>
    <version>1.12.510</version>
</dependency>

After trying these steps, rebuild your project and the missing package errors should disappear. If you're still stuck, double-check that your IDE (like IntelliJ or Eclipse) has refreshed the Maven dependencies—sometimes you need to manually trigger a refresh in the IDE's Maven panel.

内容的提问来源于stack exchange，提问作者inhaler