https://git.opendaylight.org/gerrit/gitweb?p=bgpcep.git;a=blob_plain;f=programming/api/src/main/yang/programming.yang;hb=28bf8424619a036fb0d9adb2c8cdabd84ff060a0 defines an RPC, submit-instruction.

https://git.opendaylight.org/gerrit/gitweb?p=bgpcep.git;a=blob_plain;f=programming/tunnel-api/src/main/yang/topology-tunnel-programming.yang;hb=28bf8424619a036fb0d9adb2c8cdabd84ff060a0 then attempts to augment it (note the comment BUG-107).

This fails with:

[ERROR] yang-to-sources: Unable to parse yang files from /home/nite/bgpcep/programming/tunnel-api/src/main/yang
org.opendaylight.yangtools.yang.parser.util.YangParseException: Error in module 'topology-tunnel-programming' at line 46: Error in augment parsing: failed to find augment target
at org.opendaylight.yangtools.yang.parser.impl.YangParserImpl.resolveAugments(YangParserImpl.java:575)
at org.opendaylight.yangtools.yang.parser.impl.YangParserImpl.build(YangParserImpl.java:372)
at org.opendaylight.yangtools.yang.parser.impl.YangParserImpl.parseYangModelsFromStreamsMapped(YangParserImpl.java:231)
at org.opendaylight.yangtools.yang2sources.plugin.YangToSourcesProcessor.processYang(YangToSourcesProcessor.java:97)
at org.opendaylight.yangtools.yang2sources.plugin.YangToSourcesProcessor.execute(YangToSourcesProcessor.java:74)
at org.opendaylight.yangtools.yang2sources.plugin.YangToSourcesMojo.execute(YangToSourcesMojo.java:102)
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:101)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:209)
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:84)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:59)
at org.apache.maven.lifecycle.internal.LifecycleStarter.singleThreadedBuild(LifecycleStarter.java:183)
at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:161)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:320)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156)
at org.apache.maven.cli.MavenCli.execute(MavenCli.java:537)
at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:196)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:141)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:290)
at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:230)
at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:409)
at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:352)