grundprinzip commented on code in PR #38609:
URL: https://github.com/apache/spark/pull/38609#discussion_r1023252592
##########
connector/connect/README.md:
##########
@@ -24,7 +24,31 @@ or
```bash
./build/sbt -Phive clean package
```
-
+
+### Build with user-defined `protoc` and `protoc-gen-grpc-java`
+
+When the user cannot use the official `protoc` and `protoc-gen-grpc-java`
binary files to build the `connect` module in the compilation environment,
+for example, compiling `connect` module on CentOS 6 or CentOS 7 which the
default `glibc` version is less than 2.14, we can try to compile and test by
+specifying the user-defined `protoc` and `protoc-gen-grpc-java` binary files
as follows:
+
+```bash
+export CONNECT_PROTOC_EXEC_PATH=/path-to-protoc-exe
+export CONNECT_PLUGIN_EXEC_PATH=/path-to-protoc-gen-grpc-java-exe
+./build/mvn -Phive -Puser-defined-pb clean package
Review Comment:
From a consistency perspective I'm suggesting to actually call the profile
`user-defined-protoc` because it points to the `protoc` compiler.
```suggestion
./build/mvn -Phive -Puser-defined-protoc clean package
```
##########
connector/connect/pom.xml:
##########
@@ -371,4 +350,68 @@
</plugin>
</plugins>
</build>
+ <profiles>
+ <profile>
+ <id>official-pb</id>
Review Comment:
```suggestion
<id>default-protoc</id>
```
##########
connector/connect/README.md:
##########
@@ -24,7 +24,31 @@ or
```bash
./build/sbt -Phive clean package
```
-
+
+### Build with user-defined `protoc` and `protoc-gen-grpc-java`
+
+When the user cannot use the official `protoc` and `protoc-gen-grpc-java`
binary files to build the `connect` module in the compilation environment,
+for example, compiling `connect` module on CentOS 6 or CentOS 7 which the
default `glibc` version is less than 2.14, we can try to compile and test by
+specifying the user-defined `protoc` and `protoc-gen-grpc-java` binary files
as follows:
+
+```bash
+export CONNECT_PROTOC_EXEC_PATH=/path-to-protoc-exe
+export CONNECT_PLUGIN_EXEC_PATH=/path-to-protoc-gen-grpc-java-exe
+./build/mvn -Phive -Puser-defined-pb clean package
+```
+
+or
+
+```bash
+export CONNECT_PROTOC_EXEC_PATH=/path-to-protoc-exe
+export CONNECT_PLUGIN_EXEC_PATH=/path-to-protoc-gen-grpc-java-exe
+./build/sbt -Puser-defined-pb clean package
Review Comment:
```suggestion
./build/sbt -Puser-defined-protoc clean package
```
##########
connector/connect/pom.xml:
##########
@@ -371,4 +350,68 @@
</plugin>
</plugins>
</build>
+ <profiles>
+ <profile>
+ <id>official-pb</id>
+ <activation>
+ <activeByDefault>true</activeByDefault>
+ </activation>
+ <build>
+ <plugins>
+ <!-- Add protobuf-maven-plugin and provide ScalaPB as a code
generation plugin -->
+ <plugin>
+ <groupId>org.xolstice.maven.plugins</groupId>
+ <artifactId>protobuf-maven-plugin</artifactId>
+ <version>0.6.1</version>
+ <configuration>
+
<protocArtifact>com.google.protobuf:protoc:${protobuf.version}:exe:${os.detected.classifier}</protocArtifact>
+ <pluginId>grpc-java</pluginId>
+
<pluginArtifact>io.grpc:protoc-gen-grpc-java:${io.grpc.version}:exe:${os.detected.classifier}</pluginArtifact>
+ <protoSourceRoot>src/main/protobuf</protoSourceRoot>
+ </configuration>
+ <executions>
+ <execution>
+ <goals>
+ <goal>compile</goal>
+ <goal>compile-custom</goal>
+ <goal>test-compile</goal>
+ </goals>
+ </execution>
+ </executions>
+ </plugin>
+ </plugins>
+ </build>
+ </profile>
+ <profile>
+ <id>user-defined-pb</id>
Review Comment:
```suggestion
<id>user-defined-protoc</id>
```
##########
project/SparkBuild.scala:
##########
@@ -109,6 +109,14 @@ object SparkBuild extends PomBuild {
if (profiles.contains("jdwp-test-debug")) {
sys.props.put("test.jdwp.enabled", "true")
}
+ if (profiles.contains("user-defined-pb")) {
Review Comment:
```suggestion
if (profiles.contains("user-defined-protoc")) {
```
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