I run the following commands:
1) sls create --template aws-java-maven
2) mvn clean install
3) sls invoke local -f hello
I got this error:
Serverless: In order to get human-readable output, please implement "toString()" method of your "ApiGatewayResponse" object.
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at com.serverless.InvokeBridge.invoke(InvokeBridge.java:95)
at com.serverless.InvokeBridge.<init>(InvokeBridge.java:39)
at com.serverless.InvokeBridge.main(InvokeBridge.java:150)
Caused by: java.lang.NoSuchMethodError: com.amazonaws.services.lambda.runtime.LambdaLogger.log([B)V
at com.amazonaws.services.lambda.runtime.log4j2.LambdaAppender.append(LambdaAppender.java:74)
at org.apache.logging.log4j.core.config.AppenderControl.tryCallAppender(AppenderControl.java:156)
at org.apache.logging.log4j.core.config.AppenderControl.callAppender0(AppenderControl.java:129)
at org.apache.logging.log4j.core.config.AppenderControl.callAppenderPreventRecursion(AppenderControl.java:120)
at org.apache.logging.log4j.core.config.AppenderControl.callAppender(AppenderControl.java:84)
at org.apache.logging.log4j.core.config.LoggerConfig.callAppenders(LoggerConfig.java:448)
at org.apache.logging.log4j.core.config.LoggerConfig.processLogEvent(LoggerConfig.java:433)
at org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:417)
at org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:403)
at org.apache.logging.log4j.core.config.AwaitCompletionReliabilityStrategy.log(AwaitCompletionReliabilityStrategy.java:63)
at org.apache.logging.log4j.core.Logger.logMessage(Logger.java:146)
at org.apache.logging.log4j.spi.AbstractLogger.logMessageSafely(AbstractLogger.java:2091)
at org.apache.logging.log4j.spi.AbstractLogger.logMessage(AbstractLogger.java:2005)
at org.apache.logging.log4j.spi.AbstractLogger.logIfEnabled(AbstractLogger.java:1876)
at org.apache.logging.log4j.spi.AbstractLogger.info(AbstractLogger.java:1421)
at com.serverless.Handler.handleRequest(Handler.java:18)
... 7 more
Adding both log4j and log4j2 with version 1.0.0 (decreased from 1.1.0) helped ...
<dependency>
<groupId>com.amazonaws</groupId>
<artifactId>aws-lambda-java-log4j</artifactId>
<version>1.0.0</version>
</dependency>
<dependency>
<groupId>com.amazonaws</groupId>
<artifactId>aws-lambda-java-log4j2</artifactId>
<version>1.0.0</version>
</dependency>
It seems you are missing some runtime logger dependencies. Try adding these to your pom file
<dependency>
<groupId>com.amazonaws</groupId>
<artifactId>aws-lambda-java-log4j2</artifactId>
<version>1.1.0</version>
</dependency>
Also, you need to make sure that you are using the compatible version of Java AWS SDK, which is generally the same version number.Something like this
<dependency>
<groupId>com.amazonaws</groupId>
<artifactId>aws-lambda-java-log4j</artifactId>
<version>1.0.0</version>
</dependency>
This also work for me....
<dependency>
<groupId>com.amazonaws</groupId>
<artifactId>aws-lambda-java-log4j2</artifactId>
<version>1.1.0</version>
</dependency>
In java file add below lines.
LambdaLogger logger = context.getLogger();
logger.log("received: " +input.toString());
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