add thrift compile files to pass CI.

Author: gengxiaoyu

.gitignore

@@ -1,7 +1,7 @@
 # Directories #
 /build/
 target/
-hudi-metastore/src/main/thrift/gen-java/
+#hudi-metastore/src/main/thrift/gen-java/
 
 # OS Files #
 .DS_Store

hudi-metastore/pom.xml

@@ -122,23 +122,57 @@
                 <groupId>org.apache.rat</groupId>
                 <artifactId>apache-rat-plugin</artifactId>
             </plugin>
+<!--            <plugin>-->
+<!--                <groupId>org.apache.thrift.tools</groupId>-->
+<!--                <artifactId>maven-thrift-plugin</artifactId>-->
+<!--                <version>0.1.11</version>-->
+<!--                <configuration>-->
+<!--                    <thriftExecutable>/usr/local/bin/thrift</thriftExecutable>-->
+<!--                    <thriftSourceRoot>src/main/thrift</thriftSourceRoot>-->
+<!--                    <outputDirectory>src/main/thrift/gen-java</outputDirectory>-->
+<!--                    <generator>java</generator>-->
+<!--                </configuration>-->
+<!--                <executions>-->
+<!--                    <execution>-->
+<!--                        <id>thrift-sources</id>-->
+<!--                        <phase>generate-sources</phase>-->
+<!--                        <goals>-->
+<!--                            <goal>compile</goal>-->
+<!--                        </goals>-->
+<!--                    </execution>-->
+<!--                </executions>-->
+<!--            </plugin>-->
             <plugin>
-                <groupId>org.apache.thrift.tools</groupId>
-                <artifactId>maven-thrift-plugin</artifactId>
-                <version>0.1.11</version>
-                <configuration>
-                    <thriftExecutable>/usr/local/bin/thrift</thriftExecutable>
-                    <thriftSourceRoot>src/main/thrift</thriftSourceRoot>
-                    <outputDirectory>src/main/thrift/gen-java</outputDirectory>
-                    <generator>java</generator>
-                </configuration>
+                <groupId>org.codehaus.mojo</groupId>
+                <artifactId>build-helper-maven-plugin</artifactId>
+                <version>1.8</version>
                 <executions>
                     <execution>
-                        <id>thrift-sources</id>
+                        <id>add-source</id>
                         <phase>generate-sources</phase>
                         <goals>
-                            <goal>compile</goal>
+                            <goal>add-source</goal>
                         </goals>
+                        <configuration>
+                            <sources>
+                                <source>src/main/java</source>
+                                <source>src/main/thrift/gen-java</source>
+                            </sources>
+                        </configuration>
+                    </execution>
+                    <execution>
+                        <id>add-test-source</id>
+                        <phase>generate-sources</phase>
+                        <goals>
+                            <goal>add-test-source</goal>
+                        </goals>
+                        <configuration>
+                            <sources>
+                                <source>src/test/java</source>
+                                <source>src/main/java</source>
+                                <source>src/main/thrift/gen-java</source>
+                            </sources>
+                        </configuration>
                     </execution>
                 </executions>
             </plugin>