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How-to-build.md

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How to build project

This document helps people to compile and build the project in your maven and set your IDE.

Build Project

Because we are using Git submodule, we recommend don't use GitHub tag or release page to download source codes for compiling.

Build from GitHub

  1. Prepare git, JDK8 and maven3
  2. git clone https://github.com/apache/incubator-skywalking.git
  3. cd incubator-skywalking/
  4. Switch to the tag by using git checkout [tagname] (Optional, switch if want to build a release from source codes)
  5. git submodule init
  6. git submodule update
  7. Run ./mvnw clean package -DskipTests
  8. All packages are in /dist.(.tar.gz for Linux and .zip for Windows).

Build from Apache source codes

  1. Prepare JDK8 and maven3
  2. Run ./mvnw clean package -DskipTests
  3. All packages are in /dist.(.tar.gz for Linux and .zip for Windows).

Setup your IntelliJ IDEA

  1. Import the project as a maven project
  2. Run ./mvnw compile -Dmaven.test.skip=true to compile project and generate source codes. Because we use gRPC and protobuf.
  3. Set Generated Source Codes folders.
    • grpc-java and java folders in apm-protocol/apm-network/target/generated-sources/protobuf
    • grpc-java and java folders in oap-server/server-core/target/generated-sources/protobuf
    • grpc-java and java folders in oap-server/server-receiver-plugin/skywalking-istio-telemetry-receiver-plugin/target/generated-sources/protobuf

Setup your Eclipse IDE

  1. Import the project as a maven project
  2. For supporting multiple source directories, you need to add the following configuration in incubator-skywalking/pom.xml file:
<plugin>
    <groupId>org.codehaus.mojo</groupId>
    <artifactId>build-helper-maven-plugin</artifactId>
    <version>1.8</version>
    <executions>
        <execution>
            <id>add-source</id>
            <phase>generate-sources</phase>
            <goals>
                <goal>add-source</goal>
            </goals>
            <configuration>
                <sources>
                    <source>src/java/main</source>
                    <source>apm-protocol/apm-network/target/generated-sources/protobuf</source>
                    <source>apm-collector/apm-collector-remote/collector-remote-grpc-provider/target/generated-sources/protobuf</source>
               </sources>
            </configuration>
        </execution>
    </executions>
</plugin>
  1. Add the following configuration under to let eclipse's M2e plug-in supports execution's solution configuration
<pluginManagement>
    <plugins>
    <!--This plugin's configuration is used to store Eclipse m2e settings 
    only. It has no influence on the Maven build itself. -->
        <plugin>
            <groupId>org.eclipse.m2e</groupId>
            <artifactId>lifecycle-mapping</artifactId>
            <version>1.0.0</version>
            <configuration>
                <lifecycleMappingMetadata>
                    <pluginExecutions>
                        <pluginExecution>
                            <pluginExecutionFilter>
                                <groupId>org.codehaus.mojo</groupId>
                                <artifactId>build-helper-maven-plugin</artifactId>
                                <versionRange>[1.8,)</versionRange>
                                <goals>
                                    <goal>add-source</goal>
                                </goals>
                            </pluginExecutionFilter>
                        </pluginExecution>
                    </pluginExecutions>
                </lifecycleMappingMetadata>
            </configuration>
        </plugin>
    </plugins>
</pluginManagement>
  1. Adding Google guava dependency to apm-collector-remote/collector-remote-grpc-provider/pom.xml files
<dependency>
   <groupId>com.google.guava</groupId>
   <artifactId>guava</artifactId>
   <version>24.0-jre</version>
</dependency>
  1. Run ./mvnw compile -Dmaven.test.skip=true
  2. Run maven update. Must remove the clean projects item before maven update(This will be clear the proto conversion Java file generated by the complie)
  3. Run ./mvnw compile complie collector-remote-grpc-provider and apm-protocol
  4. Refresh project

Building Resin-3, Resin-4, and OJDBC sdk plugins

Due to license incompatibilities/restrictions these plugins under apm-sniffer/apm-sdk-plugin/ are not built by default. Download them manually into the ci-dependencies/ directory and the plugins will be included in the maven reactor and built. The names of the artifacts downloaded and placed in the ci-dependencies/ directory must be exact:

  • resin-3.0.9.jar
  • resin-4.0.41.jar
  • ojdbc14-10.2.0.4.0.jar