Examples with ExitException org.apache.hadoop.util.ExitUtil.ExitException used on opensource projects

Example 6 with ExitException

use of org.apache.hadoop.util.ExitUtil.ExitException in project hadoop by apache.

the class TestClusterId method testFormatWithNonInteractive.

/**
   * Test namenode format with -format -nonInteractive options when a non empty
   * name directory exists. Format should not succeed.
   * 
   * @throws IOException
   */
@Test
public void testFormatWithNonInteractive() throws IOException {
    // we check for a non empty dir, so create a child path
    File data = new File(hdfsDir, "file");
    if (!data.mkdirs()) {
        fail("Failed to create dir " + data.getPath());
    }
    String[] argv = { "-format", "-nonInteractive" };
    try {
        NameNode.createNameNode(argv, config);
        fail("createNameNode() did not call System.exit()");
    } catch (ExitException e) {
        assertEquals("Format should have been aborted with exit code 1", 1, e.status);
    }
    // check if the version file does not exists.
    File version = new File(hdfsDir, "current/VERSION");
    assertFalse("Check version should not exist", version.exists());
}

Example 7 with ExitException

use of org.apache.hadoop.util.ExitUtil.ExitException in project hadoop by apache.

the class TestCheckpoint method testTooManyEditReplayFailures.

/*
   * Simulate 2NN exit due to too many merge failures.
   */
@Test(timeout = 30000)
public void testTooManyEditReplayFailures() throws IOException {
    Configuration conf = new HdfsConfiguration();
    conf.setInt(DFSConfigKeys.DFS_NAMENODE_CHECKPOINT_MAX_RETRIES_KEY, 1);
    conf.setInt(DFSConfigKeys.DFS_NAMENODE_CHECKPOINT_PERIOD_KEY, 1);
    FSDataOutputStream fos = null;
    SecondaryNameNode secondary = null;
    MiniDFSCluster cluster = null;
    FileSystem fs = null;
    try {
        cluster = new MiniDFSCluster.Builder(conf).numDataNodes(numDatanodes).checkExitOnShutdown(false).build();
        cluster.waitActive();
        fs = cluster.getFileSystem();
        fos = fs.create(new Path("tmpfile0"));
        fos.write(new byte[] { 0, 1, 2, 3 });
        // Cause merge to fail in next checkpoint.
        Mockito.doThrow(new IOException("Injecting failure during merge")).when(faultInjector).duringMerge();
        secondary = startSecondaryNameNode(conf);
        secondary.doWork();
        // Fail if we get here.
        fail("2NN did not exit.");
    } catch (ExitException ee) {
        // ignore
        ExitUtil.resetFirstExitException();
        assertEquals("Max retries", 1, secondary.getMergeErrorCount() - 1);
    } finally {
        if (fs != null) {
            fs.close();
        }
        cleanup(secondary);
        secondary = null;
        cleanup(cluster);
        cluster = null;
        Mockito.reset(faultInjector);
    }
}