2023年6月5日 12:30:45go评论74阅读模式

英文:

What to do when getting 'software.amazon.awssdk.services.s3 does not exist' error in Maven project?

问题

这是pom.xml文件：

<?xml version="1.0" encoding="UTF-8"?>
<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>org.example</groupId>
    <artifactId>S3Bucket</artifactId>
    <version>1.0-SNAPSHOT</version>

    <properties>
        <maven.compiler.source>20</maven.compiler.source>
        <maven.compiler.target>20</maven.compiler.target>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    </properties>

    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>software.amazon.awssdk</groupId>
                <artifactId>bom</artifactId>
                <version>2.15.0</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
        </dependencies>
    </dependencyManagement>

    <dependencies>
        <dependency>
            <groupId>software.amazon.awssdk</groupId>
            <artifactId>s3</artifactId>
        </dependency>
    </dependencies>

</project>

这是CreateBucketExample.java文件：

package org.example;

import software.amazon.awssdk.services.s3.S3Client;
import software.amazon.awssdk.services.s3.model.CreateBucketRequest;

public class CreateBucketExample {
    public static void main(String[] args) {
        String bucketName = "bucket4example";
        S3Client client = S3Client.builder().build();

        CreateBucketRequest request = CreateBucketRequest.builder().bucket(bucketName).build();

        client.createBucket(request);
    }
}

这是之前工作中的代码，但有类似的导入问题：

package aws.example.s3;

import com.amazonaws.regions.Regions;
import com.amazonaws.services.s3.AmazonS3;
import com.amazonaws.services.s3.AmazonS3ClientBuilder;
import com.amazonaws.services.s3.model.AmazonS3Exception;
import com.amazonaws.services.s3.model.Bucket;

希望对你有所帮助。

英文:

I am trying to make a Create Bucket program using the aws s3 sdk, but this error stops the compilation:java: package software.amazon.awssdk.services.s3 does not exist

This is the pom.xml:

&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot;?&gt;
&lt;project xmlns=&quot;http://maven.apache.org/POM/4.0.0&quot;
         xmlns:xsi=&quot;http://www.w3.org/2001/XMLSchema-instance&quot;
         xsi:schemaLocation=&quot;http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd&quot;&gt;
    &lt;modelVersion&gt;4.0.0&lt;/modelVersion&gt;

    &lt;groupId&gt;org.example&lt;/groupId&gt;
    &lt;artifactId&gt;S3Bucket&lt;/artifactId&gt;
    &lt;version&gt;1.0-SNAPSHOT&lt;/version&gt;

    &lt;properties&gt;
        &lt;maven.compiler.source&gt;20&lt;/maven.compiler.source&gt;
        &lt;maven.compiler.target&gt;20&lt;/maven.compiler.target&gt;
        &lt;project.build.sourceEncoding&gt;UTF-8&lt;/project.build.sourceEncoding&gt;
    &lt;/properties&gt;

    &lt;dependencyManagement&gt;
        &lt;dependencies&gt;
            &lt;dependency&gt;
                &lt;groupId&gt;software.amazon.awssdk&lt;/groupId&gt;
                &lt;artifactId&gt;bom&lt;/artifactId&gt;
                &lt;version&gt;2.15.0&lt;/version&gt;
                &lt;type&gt;pom&lt;/type&gt;
                &lt;scope&gt;import&lt;/scope&gt;
            &lt;/dependency&gt;
        &lt;/dependencies&gt;
    &lt;/dependencyManagement&gt;

    &lt;dependencies&gt;
        &lt;dependency&gt;
            &lt;groupId&gt;software.amazon.awssdk&lt;/groupId&gt;
            &lt;artifactId&gt;s3&lt;/artifactId&gt;
        &lt;/dependency&gt;
    &lt;/dependencies&gt;

&lt;/project&gt;

This is the CreateBucketExample.java:

package org.example;

import software.amazon.awssdk.services.s3.S3Client;

public class CreateBucketExample {
    public static void main(String[] args) {
        String bucketName = &quot;bucket4example&quot;;
        S3Client client = S3Client.builder().build();

        CreateBucketRequest request = CreateBucketRequest.builder().bucket(bucketName).build();

        client.createBucket(request);


    }
}

This was the code from my previous work, but a similar import problem arose:

package aws.example.s3;

import com.amazonaws.regions.Regions;
import com.amazonaws.services.s3.AmazonS3;
import com.amazonaws.services.s3.AmazonS3ClientBuilder;
import com.amazonaws.services.s3.model.AmazonS3Exception;
import com.amazonaws.services.s3.model.Bucket;

Any suggestions would be appreciated.
Thanks

答案1

得分: 0

Your Amazon S3 code looks fine. I have never had an issue running S3 code when POM is set properly. I used JDK 17 and my code worked.

我的Amazon S3代码看起来没问题。当POM正确设置时，我从未遇到过运行S3代码的问题。我使用了JDK 17，我的代码正常工作。

My Java code uses Waiters which is the only difference from your code. I think your issue is your POM.

我的Java代码使用了Waiters，这是与你的代码唯一的区别。我认为你的问题在于你的POM。

Java code

Java代码

import software.amazon.awssdk.auth.credentials.ProfileCredentialsProvider;
import software.amazon.awssdk.core.waiters.WaiterResponse;
import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.s3.S3Client;
import software.amazon.awssdk.services.s3.model.CreateBucketRequest;
import software.amazon.awssdk.services.s3.model.HeadBucketRequest;
import software.amazon.awssdk.services.s3.model.HeadBucketResponse;
import software.amazon.awssdk.services.s3.model.S3Exception;
import software.amazon.awssdk.services.s3.waiters.S3Waiter;
import java.net.URISyntaxException;

/**
 * Before running this Java V2 code example, set up your development environment, including your credentials.
 *
 * For more information, see the following documentation topic:
 *
 * https://docs.aws.amazon.com/sdk-for-java/latest/developer-guide/get-started.html
 */

public class HelloS3 {

    public static void main(String[] args) throws URISyntaxException {

        String bucketName = "myjunebucket";
        System.out.format("Creating a bucket named %s\n", bucketName);
        ProfileCredentialsProvider credentialsProvider = ProfileCredentialsProvider.create();
        Region region = Region.US_EAST_1;
        S3Client s3 = S3Client.builder()
            .region(region)
            .credentialsProvider(credentialsProvider)
            .build();

        createBucket (s3, bucketName);
        s3.close();
    }
    
    public static void createBucket( S3Client s3Client, String bucketName) {
        try {
            S3Waiter s3Waiter = s3Client.waiter();
            CreateBucketRequest bucketRequest = CreateBucketRequest.builder()
                .bucket(bucketName)
                .build();

            s3Client.createBucket(bucketRequest);
            HeadBucketRequest bucketRequestWait = HeadBucketRequest.builder()
                .bucket(bucketName)
                .build();

            // Wait until the bucket is created and print out the response.
            WaiterResponse<HeadBucketResponse> waiterResponse = s3Waiter.waitUntilBucketExists(bucketRequestWait);
            waiterResponse.matched().response().ifPresent(System.out::println);
            System.out.println(bucketName + " is ready");

        } catch (S3Exception e) {
            System.err.println(e.awsErrorDetails().errorMessage());
            System.exit(1);
        }
    }
}

POM

POM文件

<?xml version="1.0" encoding="UTF-8"?>
<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>org.example</groupId>
    <artifactId>S3Test5</artifactId>
    <version>1.0-SNAPSHOT</version>
    <packaging>jar</packaging>
    <properties>
        <maven.compiler.source>17</maven.compiler.source>
        <maven.compiler.target>17</maven.compiler.target>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    </properties>
    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-surefire-plugin</artifactId>
                <version>2.22.1</version>
            </plugin>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.1</version>
                <configuration>
                    <source>${java.version}</source>
                    <target>${java.version}</target>
                </configuration>
            </plugin>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-checkstyle-plugin</artifactId>
                <version>3.2.2</version>
                <configuration>
                    <configLocation>checkstyle.xml</configLocation>
                    <consoleOutput>true</consoleOutput>
                    <failsOnError>true</failsOnError>
                    <linkXRef>false</linkXRef>
                </configuration>
                <executions>
                    <execution>
                        <id>validate</id>
                        <phase>validate</phase>
                        <goals>
                            <goal>check</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>
    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>software.amazon.awssdk</groupId>
                <artifactId>bom</artifactId>
                <version>2.20.45</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
            <dependency>
                <groupId>org.apache.logging.log4j</groupId>
                <artifactId>log4j-bom</artifactId>
                <version>2.20.0</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
        </dependencies>
    </dependencyManagement>
    <dependencies>
        <dependency>
            <groupId>org.junit.jupiter</groupId>
            <artifactId>junit-jupiter-api</artifactId>
            <version>5.9.2</version>
            <scope>test</scope>
        </dependency>
        <!-- 其他依赖项... -->
    </dependencies>
</project>


[1]: https://i.stack.imgur.com/rjXN3.png
<details>
<summary>英文:</summary>
Your Amazon S3 code looks fine. I have never had an issue running S3 code when POM is set properly. I used JDK 17 and my code worked. 
[![enter image description here][1]][1]
My Java code uses Waiters which is the only difference from your code. I think your issue is your POM. 
**Java code**
import software.amazon.awssdk.auth.credentials.ProfileCredentialsProvider;
import software.amazon.awssdk.core.waiters.WaiterResponse;
import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.s3.S3Client;
import software.amazon.awssdk.services.s3.model.CreateBucketRequest;
import software.amazon.awssdk.services.s3.model.HeadBucketRequest;
import software.amazon.awssdk.services.s3.model.HeadBucketResponse;
import software.amazon.awssdk.services.s3.model.S3Exception;
import software.amazon.awssdk.services.s3.waiters.S3Waiter;
import java.net.URISyntaxException;
/**
* Before running this Java V2 code example, set up your development environment, including your credentials.
*
* For more information, see the following documentation topic:
*
* https://docs.aws.amazon.com/sdk-for-java/latest/developer-guide/get-started.html
*/
public class HelloS3 {
public static void main(String[] args) throws URISyntaxException {
String bucketName = &quot;myjunebucket&quot;;
System.out.format(&quot;Creating a bucket named %s\n&quot;, bucketName);
ProfileCredentialsProvider credentialsProvider = ProfileCredentialsProvider.create();
Region region = Region.US_EAST_1;
S3Client s3 = S3Client.builder()
.region(region)
.credentialsProvider(credentialsProvider)
.build();
createBucket (s3, bucketName);
s3.close();
}
public static void createBucket( S3Client s3Client, String bucketName) {
try {
S3Waiter s3Waiter = s3Client.waiter();
CreateBucketRequest bucketRequest = CreateBucketRequest.builder()
.bucket(bucketName)
.build();
s3Client.createBucket(bucketRequest);
HeadBucketRequest bucketRequestWait = HeadBucketRequest.builder()
.bucket(bucketName)
.build();
// Wait until the bucket is created and print out the response.
WaiterResponse&lt;HeadBucketResponse&gt; waiterResponse = s3Waiter.waitUntilBucketExists(bucketRequestWait);
waiterResponse.matched().response().ifPresent(System.out::println);
System.out.println(bucketName +&quot; is ready&quot;);
} catch (S3Exception e) {
System.err.println(e.awsErrorDetails().errorMessage());
System.exit(1);
}
}
}
**POM**
&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot;?&gt;
&lt;project xmlns=&quot;http://maven.apache.org/POM/4.0.0&quot; xmlns:xsi=&quot;http://www.w3.org/2001/XMLSchema-instance&quot; xsi:schemaLocation=&quot;http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd&quot;&gt;
&lt;modelVersion&gt;4.0.0&lt;/modelVersion&gt;
&lt;groupId&gt;org.example&lt;/groupId&gt;
&lt;artifactId&gt;S3Test5&lt;/artifactId&gt;
&lt;version&gt;1.0-SNAPSHOT&lt;/version&gt;
&lt;packaging&gt;jar&lt;/packaging&gt;
&lt;properties&gt;
&lt;maven.compiler.source&gt;17&lt;/maven.compiler.source&gt;
&lt;maven.compiler.target&gt;17&lt;/maven.compiler.target&gt;
&lt;project.build.sourceEncoding&gt;UTF-8&lt;/project.build.sourceEncoding&gt;
&lt;/properties&gt;
&lt;build&gt;
&lt;plugins&gt;
&lt;plugin&gt;
&lt;groupId&gt;org.apache.maven.plugins&lt;/groupId&gt;
&lt;artifactId&gt;maven-surefire-plugin&lt;/artifactId&gt;
&lt;version&gt;2.22.1&lt;/version&gt;
&lt;/plugin&gt;
&lt;plugin&gt;
&lt;groupId&gt;org.apache.maven.plugins&lt;/groupId&gt;
&lt;artifactId&gt;maven-compiler-plugin&lt;/artifactId&gt;
&lt;version&gt;3.1&lt;/version&gt;
&lt;configuration&gt;
&lt;source&gt;${java.version}&lt;/source&gt;
&lt;target&gt;${java.version}&lt;/target&gt;
&lt;/configuration&gt;
&lt;/plugin&gt;
&lt;plugin&gt;
&lt;groupId&gt;org.apache.maven.plugins&lt;/groupId&gt;
&lt;artifactId&gt;maven-checkstyle-plugin&lt;/artifactId&gt;
&lt;version&gt;3.2.2&lt;/version&gt;
&lt;configuration&gt;
&lt;configLocation&gt;checkstyle.xml&lt;/configLocation&gt;
&lt;consoleOutput&gt;true&lt;/consoleOutput&gt;
&lt;failsOnError&gt;true&lt;/failsOnError&gt;
&lt;linkXRef&gt;false&lt;/linkXRef&gt;
&lt;/configuration&gt;
&lt;executions&gt;
&lt;execution&gt;
&lt;id&gt;validate&lt;/id&gt;
&lt;phase&gt;validate&lt;/phase&gt;
&lt;goals&gt;
&lt;goal&gt;check&lt;/goal&gt;
&lt;/goals&gt;
&lt;/execution&gt;
&lt;/executions&gt;
&lt;/plugin&gt;
&lt;/plugins&gt;
&lt;/build&gt;
&lt;dependencyManagement&gt;
&lt;dependencies&gt;
&lt;dependency&gt;
&lt;groupId&gt;software.amazon.awssdk&lt;/groupId&gt;
&lt;artifactId&gt;bom&lt;/artifactId&gt;
&lt;version&gt;2.20.45&lt;/version&gt;
&lt;type&gt;pom&lt;/type&gt;
&lt;scope&gt;import&lt;/scope&gt;
&lt;/dependency&gt;
&lt;dependency&gt;
&lt;groupId&gt;org.apache.logging.log4j&lt;/groupId&gt;
&lt;artifactId&gt;log4j-bom&lt;/artifactId&gt;
&lt;version&gt;2.20.0&lt;/version&gt;
&lt;type&gt;pom&lt;/type&gt;
&lt;scope&gt;import&lt;/scope&gt;
&lt;/dependency&gt;
&lt;/dependencies&gt;
&lt;/dependencyManagement&gt;
&lt;dependencies&gt;
&lt;dependency&gt;
&lt;groupId&gt;org.junit.jupiter&lt;/groupId&gt;
&lt;artifactId&gt;junit-jupiter-api&lt;/artifactId&gt;
&lt;version&gt;5.9.2&lt;/version&gt;
&lt;scope&gt;test&lt;/scope&gt;
&lt;/dependency&gt;
&lt;dependency&gt;
&lt;groupId&gt;org.junit.jupiter&lt;/groupId&gt;
&lt;artifactId&gt;junit-jupiter-engine&lt;/artifactId&gt;
&lt;version&gt;5.9.2&lt;/version&gt;
&lt;scope&gt;test&lt;/scope&gt;
&lt;/dependency&gt;
&lt;dependency&gt;
&lt;groupId&gt;com.fasterxml.jackson.core&lt;/groupId&gt;
&lt;artifactId&gt;jackson-databind&lt;/artifactId&gt;
&lt;version&gt;2.14.2&lt;/version&gt;
&lt;/dependency&gt;
&lt;dependency&gt;
&lt;groupId&gt;org.junit.platform&lt;/groupId&gt;
&lt;artifactId&gt;junit-platform-commons&lt;/artifactId&gt;
&lt;version&gt;1.9.2&lt;/version&gt;
&lt;/dependency&gt;
&lt;dependency&gt;
&lt;groupId&gt;software.amazon.awssdk.crt&lt;/groupId&gt;
&lt;artifactId&gt;aws-crt&lt;/artifactId&gt;
&lt;version&gt;0.21.12&lt;/version&gt;
&lt;/dependency&gt;
&lt;dependency&gt;
&lt;groupId&gt;org.junit.platform&lt;/groupId&gt;
&lt;artifactId&gt;junit-platform-launcher&lt;/artifactId&gt;
&lt;version&gt;1.9.2&lt;/version&gt;
&lt;scope&gt;test&lt;/scope&gt;
&lt;/dependency&gt;
&lt;dependency&gt;
&lt;groupId&gt;software.amazon.awssdk&lt;/groupId&gt;
&lt;artifactId&gt;s3&lt;/artifactId&gt;
&lt;/dependency&gt;
&lt;dependency&gt;
&lt;groupId&gt;software.amazon.awssdk&lt;/groupId&gt;
&lt;artifactId&gt;sso&lt;/artifactId&gt;
&lt;/dependency&gt;
&lt;dependency&gt;
&lt;groupId&gt;software.amazon.awssdk&lt;/groupId&gt;
&lt;artifactId&gt;ssooidc&lt;/artifactId&gt;
&lt;/dependency&gt;
&lt;dependency&gt;
&lt;groupId&gt;software.amazon.awssdk&lt;/groupId&gt;
&lt;artifactId&gt;s3-transfer-manager&lt;/artifactId&gt;
&lt;/dependency&gt;
&lt;dependency&gt;
&lt;groupId&gt;software.amazon.awssdk&lt;/groupId&gt;
&lt;artifactId&gt;kms&lt;/artifactId&gt;
&lt;/dependency&gt;
&lt;dependency&gt;
&lt;groupId&gt;software.amazon.awssdk&lt;/groupId&gt;
&lt;artifactId&gt;s3control&lt;/artifactId&gt;
&lt;/dependency&gt;
&lt;dependency&gt;
&lt;groupId&gt;org.apache.logging.log4j&lt;/groupId&gt;
&lt;artifactId&gt;log4j-core&lt;/artifactId&gt;
&lt;/dependency&gt;
&lt;dependency&gt;
&lt;groupId&gt;org.apache.logging.log4j&lt;/groupId&gt;
&lt;artifactId&gt;log4j-slf4j2-impl&lt;/artifactId&gt;
&lt;/dependency&gt;
&lt;/dependencies&gt;
&lt;/project&gt;
[1]: https://i.stack.imgur.com/rjXN3.png
</details>

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