Examples of org.apache.hadoop.yarn.api.ApplicationClientProtocol.cancelDelegationToken()

Class org.apache.hadoop.yarn.api.ApplicationClientProtocol

Examples of org.apache.hadoop.yarn.api.ApplicationClientProtocol.cancelDelegationToken()

org.apache.hadoop.yarn.api.ApplicationClientProtocol.cancelDelegationToken()
Cancel an existing delegation {@link Token}. @param request the delegation token to be cancelled. @return an empty response. @throws YarnException @throws IOException

      if (rmClient != null) {
        try {
          CancelDelegationTokenRequest request =
              Records.newRecord(CancelDelegationTokenRequest.class);
          request.setDelegationToken(convertToProtoToken(token));
          rmClient.cancelDelegationToken(request);
        } catch (YarnException e) {
          throw new IOException(e);
        } finally {
          RPC.stopProxy(rmClient);
        }

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      if (rmClient != null) {
        try {
          CancelDelegationTokenRequest request =
              Records.newRecord(CancelDelegationTokenRequest.class);
          request.setDelegationToken(convertToProtoToken(token));
          rmClient.cancelDelegationToken(request);
        } catch (YarnException e) {
          throw new IOException(e);
        } finally {
          RPC.stopProxy(rmClient);
        }

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      if (rmClient != null) {
        try {
          CancelDelegationTokenRequest request =
              Records.newRecord(CancelDelegationTokenRequest.class);
          request.setDelegationToken(convertToProtoToken(token));
          rmClient.cancelDelegationToken(request);
        } catch (YarnException e) {
          throw new IOException(e);
        } finally {
          RPC.stopProxy(rmClient);
        }

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