记录 class 不允许发送 Amazon SNS 消息

Logging class doesn't let Amazon SNS message to be send

我正在使用亚马逊的 SNS 服务向手机发送消息。正在使用 Java 和亚马逊的 SDK 进行开发。

一开始是完美的,但是现在消息已经停止发送,并且控制台出现以下错误:

Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/commons/logging/LogFactory

Caused by: java.lang.ClassNotFoundException: org.apache.commons.logging.LogFactory

发送消息的java代码与AWS documentation中的例子相同:

public static void main(String[] args) {
        AmazonSNSClient snsClient = new AmazonSNSClient();
        String message = "My SMS message";
        String phoneNumber = "+1XXX5550100";
        Map<String, MessageAttributeValue> smsAttributes = 
                new HashMap<String, MessageAttributeValue>();
        //<set SMS attributes>
        sendSMSMessage(snsClient, message, phoneNumber, smsAttributes); }

public static void sendSMSMessage(AmazonSNSClient snsClient, String message, String phoneNumber, Map<String, MessageAttributeValue> smsAttributes) {
        PublishResult result = snsClient.publish(new PublishRequest()
                        .withMessage(message)
                        .withPhoneNumber(phoneNumber)
                        .withMessageAttributes(smsAttributes));
        System.out.println(result); // Prints the message ID.
}

经过研究,我尝试使用从 AWS 开发人员论坛 here, which sets up a log4js.properties file, and the same solution in a thread 找到的日志记录解决方案。 None 他们工作了。

我也尝试添加 org.apache.commons.logging.LogFactory,因为错误是由它引起的(StackOveflow 的其他问题也提示了它)。之后又报错,说我需要加com.fasterxml.jackson.core。我添加了,它要求 com.fasterxml.jackson.databind。再次添加它,它要求另一个。在添加第 5 个(不是开玩笑)罐子时我放弃了。

AWS 的文档很糟糕。使程序正常工作的依赖项通常位于完全独立的页面中,开发人员必须自己找出来。

我已经用密钥和秘密密钥设置了一个用户。

我可以禁用日志记录以避免发生此错误吗?如果没有,我必须添加哪些 jar 作为依赖项才能使此代码正常工作?

那你还有别的事情要做。对于一个简单的 pom.xml:

<?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/maven-v4_0_0.xsd">

    <modelVersion>4.0.0</modelVersion>
    <artifactId>sns</artifactId>
    <groupId>com.hotjoe.aws</groupId>
    <name>SNS Sample</name>
    <version>1.0-SNAPSHOT</version>
    <packaging>war</packaging>

    <properties>
        <maven.compiler.source>1.8</maven.compiler.source>
        <maven.compiler.target>1.8</maven.compiler.target>
        <failOnMissingWebXml>false</failOnMissingWebXml>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    </properties>

    <dependencies>
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>javax.servlet-api</artifactId>
            <version>3.1.0</version>
            <scope>provided</scope>
        </dependency>

        <dependency>
            <groupId>com.amazonaws</groupId>
            <artifactId>aws-java-sdk-sns</artifactId>
            <version>1.11.202</version>
        </dependency>
    </dependencies>
</project>

然后 运行 mvn dependency:tree 我得到:

[INFO] --- maven-dependency-plugin:2.8:tree (default-cli) @ sns ---
[INFO] com.hotjoe.aws:sns:war:1.0-SNAPSHOT
[INFO] +- javax.servlet:javax.servlet-api:jar:3.1.0:provided
[INFO] \- com.amazonaws:aws-java-sdk-sns:jar:1.11.202:compile
[INFO]    +- com.amazonaws:aws-java-sdk-sqs:jar:1.11.202:compile
[INFO]    +- com.amazonaws:aws-java-sdk-core:jar:1.11.202:compile
[INFO]    |  +- commons-logging:commons-logging:jar:1.1.3:compile
[INFO]    |  +- org.apache.httpcomponents:httpclient:jar:4.5.2:compile
[INFO]    |  |  +- org.apache.httpcomponents:httpcore:jar:4.4.4:compile
[INFO]    |  |  \- commons-codec:commons-codec:jar:1.9:compile
[INFO]    |  +- software.amazon.ion:ion-java:jar:1.0.2:compile
[INFO]    |  +- com.fasterxml.jackson.core:jackson-databind:jar:2.6.7.1:compile
[INFO]    |  |  +- com.fasterxml.jackson.core:jackson-annotations:jar:2.6.0:compile
[INFO]    |  |  \- com.fasterxml.jackson.core:jackson-core:jar:2.6.7:compile
[INFO]    |  +- com.fasterxml.jackson.dataformat:jackson-dataformat-cbor:jar:2.6.7:compile
[INFO]    |  \- joda-time:joda-time:jar:2.8.1:compile
[INFO]    \- com.amazonaws:jmespath-java:jar:1.11.202:compile

如您所见,公共日志记录与 Jackson 库一起包含在内。