Example usage for org.apache.hadoop.util GenericOptionsParser getLibJars

Introduction

In this page you can find the example usage for org.apache.hadoop.util GenericOptionsParser getLibJars.

Prototype

public static URL[] getLibJars(Configuration conf) throws IOException 

Source Link

Document

If libjars are set in the conf, parse the libjars.

Usage

From source file:com.asakusafw.runtime.stage.launcher.LauncherOptionsParserTest.java

License:Apache License

/**
 * w/ libjars.// ww w.j a  v  a 2s  .  c  o  m
 * @throws Exception if failed
 */
@Test
public void w_libjars() throws Exception {
    File lib = putFile("dummy.jar");
    LauncherOptions options = parse(
            new String[] { MockTool.class.getName(), LauncherOptionsParser.KEY_ARG_LIBRARIES, lib.getPath(), });
    assertClasspath(options.getApplicationClassLoader().getURLs(), "testing");
    assertThat(lib, is(inClasspath(options.getApplicationClassLoader().getURLs())));

    assertClasspath(GenericOptionsParser.getLibJars(conf), "testing");
    assertThat(lib, is(inClasspath(GenericOptionsParser.getLibJars(conf))));

    JobConf jc = new JobConf(conf);
    assertThat(jc.getJar(), is(nullValue()));
}

---

From source file:com.asakusafw.runtime.stage.launcher.LauncherOptionsParserTest.java

License:Apache License

/**
 * w/ libjars.// ww w  .  j  a v  a  2 s.com
 * @throws Exception if failed
 */
@Test
public void w_libjars_w_cache() throws Exception {
    File cacheRepo = folder.newFolder();
    conf.set(LauncherOptionsParser.KEY_CACHE_REPOSITORY, cacheRepo.toURI().toString());
    File lib = putFile("dummy.jar");
    LauncherOptions options = parse(
            new String[] { MockTool.class.getName(), LauncherOptionsParser.KEY_ARG_LIBRARIES, lib.getPath(), });
    assertClasspath(options.getApplicationClassLoader().getURLs(), "testing");
    assertThat(lib, is(inClasspath(options.getApplicationClassLoader().getURLs())));

    assertClasspath(GenericOptionsParser.getLibJars(conf), "testing");
    assertThat(lib, is(not(inClasspath(GenericOptionsParser.getLibJars(conf)))));
}

---

From source file:com.asakusafw.runtime.stage.launcher.LauncherOptionsParserTest.java

License:Apache License

/**
 * w/ libjars with disabled cache.//w  ww  .j a va 2 s  .  c o  m
 * @throws Exception if failed
 */
@Test
public void w_libjars_disabled() throws Exception {
    File cacheRepo = folder.newFolder();
    conf.set(LauncherOptionsParser.KEY_CACHE_REPOSITORY, cacheRepo.toURI().toString());
    conf.setBoolean(LauncherOptionsParser.KEY_CACHE_ENABLED, false);
    File lib = putFile("dummy.jar");
    LauncherOptions options = parse(
            new String[] { MockTool.class.getName(), LauncherOptionsParser.KEY_ARG_LIBRARIES, lib.getPath(), });
    assertClasspath(options.getApplicationClassLoader().getURLs(), "testing");
    assertThat(lib, is(inClasspath(options.getApplicationClassLoader().getURLs())));

    assertClasspath(GenericOptionsParser.getLibJars(conf), "testing");
    assertThat(lib, is(inClasspath(GenericOptionsParser.getLibJars(conf))));
}

---

From source file:io.apigee.lembos.utils.RunnerUtils.java

License:Apache License

/**
 * Adds the "-libjars" entries, if any, to the {@link ClassLoader}.
 *
 * @param conf the Hadoop configuration//www. j  a va 2s .c  o  m
 *
 * @throws IOException if there is an issue creating the new ClassLoader
 */
public static void addLibJarsToClassLoader(final Configuration conf) throws IOException {
    final URL[] libJars = GenericOptionsParser.getLibJars(conf);

    if (libJars != null && libJars.length > 0) {
        final ClassLoader loader = new URLClassLoader(libJars, conf.getClassLoader());

        Thread.currentThread().setContextClassLoader(loader);

        conf.setClassLoader(loader);
    }
}

---