Package org.apache.hadoop.ipc

Examples of org.apache.hadoop.ipc.RemoteException

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  public void disallowSnapshot(String[] argv) throws IOException { 
    DistributedFileSystem dfs = getDFS();
    try {
      dfs.disallowSnapshot(new Path(argv[1]));
    } catch (SnapshotException e) {
      throw new RemoteException(e.getClass().getName(), e.getMessage());
    }
    System.out.println("Disallowing snaphot on " + argv[1] + " succeeded");
  }
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      responseWrapper.readFields(inStream);
      RpcResponseHeaderProto header = responseWrapper.getMessageHeader();
      switch (header.getStatus()) {
        case ERROR: // might get a RPC error during
        case FATAL:
          throw new RemoteException(header.getExceptionClassName(),
                                    header.getErrorMsg());
        default: break;
      }
      if (totalLen != responseWrapper.getLength()) {
        throw new SaslException("Received malformed response length");
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  }

  @Test
  public void testRemoteExceptionUnwrap() throws Exception {
    PathIOException pe;
    RemoteException re;
    IOException ie;
   
    pe = new PathIOException(path);
    re = new RemoteException(PathIOException.class.getName(), "test constructor1");
    ie = re.unwrapRemoteException();
    assertTrue(ie instanceof PathIOException);
    ie = re.unwrapRemoteException(PathIOException.class);
    assertTrue(ie instanceof PathIOException);

    pe = new PathIOException(path, "constructor2");
    re = new RemoteException(PathIOException.class.getName(), "test constructor2");
    ie = re.unwrapRemoteException();
    assertTrue(ie instanceof PathIOException);
    ie = re.unwrapRemoteException(PathIOException.class);
    assertTrue(ie instanceof PathIOException);   
  }
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  private void verifyRemoteExceptionUnwrapping(
      Class<? extends Throwable> expectedLocalException,
      String realExceptionClassName) {
  String message = realExceptionClassName + "Message";
    RemoteException re = new RemoteException(realExceptionClassName, message);
    ServiceException se = new ServiceException(re);

    Throwable t = null;
    try {
      RPCUtil.unwrapAndThrowException(se);
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  }

  private static void readStatus(DataInputStream inStream) throws IOException {
    int status = inStream.readInt(); // read status
    if (status != SaslStatus.SUCCESS.state) {
      throw new RemoteException(WritableUtils.readString(inStream),
          WritableUtils.readString(inStream));
    }
  }
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          if (LOG.isDebugEnabled()) {
            LOG.debug("call #"+id+", response is:\n"+value.toString());
          }
          call.setValue(value);
        } else if (state == Status.ERROR.state) {
          call.setException(new RemoteException(WritableUtils.readString(in),
                                                WritableUtils.readString(in)));
        } else if (state == Status.FATAL.state) {
          // Close the connection
          markClosed(new RemoteException(WritableUtils.readString(in),
                                         WritableUtils.readString(in)));
        }
      } catch (IOException e) {
        if (e instanceof SocketTimeoutException && remoteId.rpcTimeout > 0) {
          // Clean up open calls but don't treat this as a fatal condition,
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      if (num_calls > num_calls_allowed) {
        throw new IOException("addBlock called more times than "
                              + RETRY_CONFIG
                              + " allows.");
      } else {
          throw new RemoteException(NotReplicatedYetException.class.getName(),
                                    ADD_BLOCK_EXCEPTION);
      }
    }
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        Call call = calls.remove(id);

        boolean isError = in.readBoolean();     // read if error
        if (isError) {
          call.setException(new RemoteException( WritableUtils.readString(in),
              WritableUtils.readString(in)));
        } else {
          Writable value = ReflectionUtils.newInstance(valueClass, conf);
          value.readFields(in);                 // read value
          call.setValue(value);
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      DFSInputStream c_in = dfs.open(dirString + "c");
      FSDataOutputStream d_out = createFsOut(dfs, dirString + "d");

      // stub the renew method.
      doThrow(new RemoteException(InvalidToken.class.getName(),
          "Your token is worthless")).when(spyNN).renewLease(anyString());

      // We don't need to wait the lease renewer thread to act.
      // call renewLease() manually.
      // make it look like lease has already expired.
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      if (cur instanceof RegionMovedException || cur instanceof RegionOpeningException
          || cur instanceof RegionTooBusyException) {
        return cur;
      }
      if (cur instanceof RemoteException) {
        RemoteException re = (RemoteException) cur;
        cur = re.unwrapRemoteException(
            RegionOpeningException.class, RegionMovedException.class,
            RegionTooBusyException.class);
        if (cur == null) {
          cur = re.unwrapRemoteException();
        }
        // unwrapRemoteException can return the exception given as a parameter when it cannot
        //  unwrap it. In this case, there is no need to look further
        // noinspection ObjectEquality
        if (cur == re) {
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  • org.apache.hadoop.fs.shell.TestAclCommands$StubFileSystem
  • org.apache.hadoop.fs.shell.TestPathExceptions
  • org.apache.hadoop.hbase.client.ConnectionManager
  • org.apache.hadoop.hbase.client.HConnectionManager
  • org.apache.hadoop.hbase.client.TestFastFailWithoutTestUtil
  • org.apache.hadoop.hbase.ipc.HBaseClient$Connection
  • org.apache.hadoop.hbase.ipc.RpcClient$Connection
  • org.apache.hadoop.hbase.ipc.SecureClient$SecureConnection
  • org.apache.hadoop.hbase.security.HBaseSaslRpcClient
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