Hi,

1. I've tried to do the Deep dive 12.

When I build the Java module, it generates the error.

This is CDS 2.3.2, Compiler 1.0.30, Home: node_modules/@sap/cds
Compiled 'srv/my-service.cds' to  
srv/src/main/resources/edmx/CrudService.xml  
srv/src/main/resources/edmx/csn.json
[ERROR] ENOENT: no such file or directory, scandir '/home/vcap/app/.java-buildpack/tomcat/temp/builder/sap.java.maven/builds/build-6476755901837354415/bp_test/db/src/gen'
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! my.app@1.0.0 build: `cds build --clean`
npm ERR! Exit status 1
npm ERR! 
npm ERR! Failed at the my.app@1.0.0 build script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
npm ERR! A complete log of this run can be found in:
npm ERR!     /home/vcap/app/META-INF/cache/8.9.1/.npm/_logs/2018-08-15T05_35_30_240Z-debug.log[ERROR] 
Command execution failed.org.apache.commons.exec.ExecuteException: Process exited with an error: 1 (Exit value: 1)	
at org.apache.commons.exec.DefaultExecutor.executeInternal(DefaultExecutor.java:404)	
at org.apache.commons.exec.DefaultExecutor.execute(DefaultExecutor.java:166)	
at org.codehaus.mojo.exec.ExecMojo.executeCommandLine(ExecMojo.java:804)	
at org.codehaus.mojo.exec.ExecMojo.executeCommandLine(ExecMojo.java:751)	
at org.codehaus.mojo.exec.ExecMojo.execute(ExecMojo.java:313)	
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:134)	
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:207)	
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)	
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)	
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:116)	
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:80)	
at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)	
at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:128)	
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:307)	
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:193)	
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:106)	
at org.apache.maven.cli.MavenCli.execute(MavenCli.java:863)	
at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:288)	
at org.apache.maven.cli.MavenCli.main(MavenCli.java:199)	
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 org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)	
at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)	
at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)	
at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356

Here is the POM file which is generated by the template

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
	<modelVersion>4.0.0</modelVersion>
	<parent>
		<groupId>com.sap.cloud.servicesdk.prov</groupId>
		<artifactId>projects-parent-odatav2</artifactId>
		<version>1.17.1</version>
	</parent>
	<artifactId>srv</artifactId>
	<groupId>com.company.bp_test</groupId>
	<version>0.0.1-SNAPSHOT</version>
	<packaging>war</packaging>
	<name>srv</name>
	<properties>
		<packageName>com.company.bp_test</packageName>
	</properties>
	<build>
		<finalName>${project.artifactId}-${project.version}</finalName>
		<plugins >
			<plugin>
				<groupId>org.codehaus.mojo</groupId>
				<artifactId>exec-maven-plugin</artifactId>
				<version>1.6.0</version>
				<executions>
					<execution>
						<id>npm install(initialize)</id>
						<goals>
							<goal>exec</goal>
						</goals>
						<phase>generate-sources</phase>
						<configuration>
							<executable>npm</executable>
							<workingDirectory>${project.basedir}/../</workingDirectory>
							<arguments>
								<argument>install</argument>
							</arguments>
						</configuration>
					</execution>
					<execution>
						<id>npm run build cds</id>
						<goals>
							<goal>exec</goal>
						</goals>
						<phase>generate-sources</phase>
						<configuration>
							<!--assuming npm is in the $PATH-->
							<executable>npm</executable>
							<workingDirectory>${project.basedir}/../</workingDirectory>
							<arguments>
								<argument>run</argument>
								<argument>build</argument>
							</arguments>
						</configuration>
					</execution>
				</executions>
			</plugin>
		</plugins>
		<resources>
			<resource>
				<directory>src/main/resources</directory>
			</resource>
		</resources>
	</build>
	<profiles>
		<profile>
			<activation>
				<property>
					<name>devmode</name>
					<value>true</value>
				</property>
			</activation>
			<build>
				<plugins>
					<plugin>
						<artifactId>maven-war-plugin</artifactId>
						<version>3.0.0</version>
						<configuration>
							<webResources combine.children="append">
								<resource>
									<directory>${project.build.sourceDirectory}</directory>
									<targetPath>sources</targetPath>
								</resource>
							</webResources>
						</configuration>
					</plugin>
				</plugins>
			</build>
		</profile>
	</profiles>
</project>

Does anyone know how to resolve it?

Regards,

Tri