Examples of org.apache.hadoop.hdfs.server.namenode.EditLogOutputStream.abort()

Package org.apache.hadoop.hdfs.server.namenode

Class org.apache.hadoop.hdfs.server.namenode.EditLogOutputStream

Examples of org.apache.hadoop.hdfs.server.namenode.EditLogOutputStream.abort()

org.apache.hadoop.hdfs.server.namenode.EditLogOutputStream.abort()
Close the stream without necessarily flushing any pending data. This may be called after a previous write or close threw an exception.

      op.setTransactionId(txid++);
      out.write(op);
    }
    out.setReadyToFlush();
    out.flush();
    out.abort();
    out.close();
    
    long numTrans = bkjm.getNumberOfTransactions(1, true);
    assertEquals((txid-1), numTrans);
  }

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      out.write(op);
    }
    out.setReadyToFlush();
    out.flush();


    out.abort();
    out.close();




    assertNull(zkc.exists(bkjm.finalizedLedgerZNode(1, 100), false));
    assertNotNull(zkc.exists(bkjm.inprogressZNode(1), false));

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      op.setTransactionId(txid++);
      out.write(op);
    }
    out.setReadyToFlush();
    out.flush();
    out.abort();
    out.close();
    
    long numTrans = bkjm.getNumberOfTransactions(1, true);
    assertEquals((txid-1), numTrans);
  }

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      out.write(op);
    }
    out.setReadyToFlush();
    out.flush();


    out.abort();
    out.close();




    assertNull(zkc.exists(bkjm.finalizedLedgerZNode(1, 100), false));
    assertNotNull(zkc.exists(bkjm.inprogressZNode(1), false));

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    EditLogOutputStream stm = qjm.startLogSegment(4,
        NameNodeLayoutVersion.CURRENT_LAYOUT_VERSION);
    try {
      waitForAllPendingCalls(qjm.getLoggerSetForTests());
    } finally {
      stm.abort();
    }
    
    
    // Make a new QJM
    qjm = closeLater(new QuorumJournalManager(

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        fail("Did not fail even though 2/3 failed");
      } catch (QuorumException qe) {
        GenericTestUtils.assertExceptionContains("mock failure", qe);
      }
    } finally {
      stm.abort();
    }
    
    // Bring back the down JN.
    cluster.restartJournalNode(nodeMissingSegment);

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      // Should fail, because logger 1 had an injected fault and
      // logger 0 should detect writer out of sync
      GenericTestUtils.assertExceptionContains("Writer out of sync",
          qe);
    } finally {
      stm.abort();
      qjm.close();
    }
    
    // State:
    // Logger 0: 1-3 in-progress (since it missed finalize)

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    EditLogOutputStream stm = qjm.startLogSegment(4);
    try {
      waitForAllPendingCalls(qjm.getLoggerSetForTests());
    } finally {
      stm.abort();
    }
    
    
    // Make a new QJM
    qjm = new QuorumJournalManager(

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        fail("Did not fail even though 2/3 failed");
      } catch (QuorumException qe) {
        GenericTestUtils.assertExceptionContains("mock failure", qe);
      }
    } finally {
      stm.abort();
    }
    
    // Bring back the down JN.
    cluster.restartJournalNode(nodeMissingSegment);

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      // Should fail, because logger 1 had an injected fault and
      // logger 0 should detect writer out of sync
      GenericTestUtils.assertExceptionContains("Writer out of sync",
          qe);
    } finally {
      stm.abort();
      qjm.close();
    }
    
    // State:
    // Logger 0: 1-3 in-progress (since it missed finalize)

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