Examples with ServiceStateException org.apache.hadoop.service.ServiceStateException used on opensource projects

Example 11 with ServiceStateException

use of org.apache.hadoop.service.ServiceStateException in project hadoop by apache.

the class TestHistoryServerLeveldbStateStoreService method testCheckVersion.

@Test
public void testCheckVersion() throws IOException {
    HistoryServerLeveldbStateStoreService store = new HistoryServerLeveldbStateStoreService();
    store.init(conf);
    store.start();
    // default version
    Version defaultVersion = store.getCurrentVersion();
    assertEquals(defaultVersion, store.loadVersion());
    // compatible version
    Version compatibleVersion = Version.newInstance(defaultVersion.getMajorVersion(), defaultVersion.getMinorVersion() + 2);
    store.dbStoreVersion(compatibleVersion);
    assertEquals(compatibleVersion, store.loadVersion());
    store.close();
    store = new HistoryServerLeveldbStateStoreService();
    store.init(conf);
    store.start();
    // overwrite the compatible version
    assertEquals(defaultVersion, store.loadVersion());
    // incompatible version
    Version incompatibleVersion = Version.newInstance(defaultVersion.getMajorVersion() + 1, defaultVersion.getMinorVersion());
    store.dbStoreVersion(incompatibleVersion);
    store.close();
    store = new HistoryServerLeveldbStateStoreService();
    try {
        store.init(conf);
        store.start();
        fail("Incompatible version, should have thrown before here.");
    } catch (ServiceStateException e) {
        assertTrue("Exception message mismatch", e.getMessage().contains("Incompatible version for state:"));
    }
    store.close();
}