Netweaver

tcode SAAB，将Logpoints设置为"Log":

给想打开trace的user创建一个activation：

新建一个report：

执行完report后返回SAAB即可查看到记录的log.

CloudFoundry

pom.xml里定义cf-logging, log4j2和slf4j这三个组件的版本号：

<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>${slf4j.version}</version>
</dependency>
<dependency>
<groupId>com.sap.hcp.cf.logging</groupId>
<artifactId>cf-java-logging-support-log4j2</artifactId>
<version>${cf-logging-version}</version>
</dependency>

<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-slf4j-impl</artifactId>
<version>${log4j2.version}</version>
</dependency>

<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-core</artifactId>
<version>${log4j2.version}</version>
</dependency>

<dependency>
<groupId>com.sap.hcp.cf.logging</groupId>
<artifactId>cf-java-logging-support-servlet</artifactId>
<version>${cf-logging-version}</version>
</dependency>

代码里的使用：

log记录成功：

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