Package org.apache.hadoop.ha

Examples of org.apache.hadoop.ha.ServiceFailedException

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  synchronized void transitionToStandby()
      throws ServiceFailedException, AccessControlException {
    namesystem.checkSuperuserPrivilege();
    if (!haEnabled) {
      throw new ServiceFailedException("HA for namenode is not enabled");
    }
    state.setState(haContext, STANDBY_STATE);
  }
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  synchronized HAServiceStatus getServiceStatus()
      throws ServiceFailedException, AccessControlException {
    namesystem.checkSuperuserPrivilege();
    if (!haEnabled) {
      throw new ServiceFailedException("HA for namenode is not enabled");
    }
    if (state == null) {
      return new HAServiceStatus(HAServiceState.INITIALIZING);
    }
    HAServiceState retState = state.getServiceState();
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  @Override
  public synchronized void becomeActive() throws ServiceFailedException {
    try {
      rmContext.getRMAdminService().transitionToActive(req);
    } catch (Exception e) {
      throw new ServiceFailedException("RM could not transition to Active", e);
    }
  }
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          "transitionToActive", "RMHAProtocolService");
    } catch (Exception e) {
      RMAuditLogger.logFailure(user.getShortUserName(), "transitionToActive",
          adminAcl.toString(), "RMHAProtocolService",
          "Exception transitioning to active");
      throw new ServiceFailedException(
          "Error when transitioning to Active mode", e);
    }
  }
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          "transitionToStandby", "RMHAProtocolService");
    } catch (Exception e) {
      RMAuditLogger.logFailure(user.getShortUserName(), "transitionToStandby",
          adminAcl.toString(), "RMHAProtocolService",
          "Exception transitioning to standby");
      throw new ServiceFailedException(
          "Error when transitioning to Standby mode", e);
    }
  }
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  synchronized void transitionToActive()
      throws ServiceFailedException, AccessControlException {
    namesystem.checkSuperuserPrivilege();
    if (!haEnabled) {
      throw new ServiceFailedException("HA for namenode is not enabled");
    }
    state.setState(haContext, ACTIVE_STATE);
  }
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  synchronized void transitionToStandby()
      throws ServiceFailedException, AccessControlException {
    namesystem.checkSuperuserPrivilege();
    if (!haEnabled) {
      throw new ServiceFailedException("HA for namenode is not enabled");
    }
    state.setState(haContext, STANDBY_STATE);
  }
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  synchronized HAServiceStatus getServiceStatus()
      throws ServiceFailedException, AccessControlException {
    namesystem.checkSuperuserPrivilege();
    if (!haEnabled) {
      throw new ServiceFailedException("HA for namenode is not enabled");
    }
    if (state == null) {
      return new HAServiceStatus(HAServiceState.INITIALIZING);
    }
    HAServiceState retState = state.getServiceState();
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    // call refreshAdminAcls before HA state transition
    // for the case that adminAcls have been updated in previous active RM
    try {
      refreshAdminAcls(false);
    } catch (YarnException ex) {
      throw new ServiceFailedException("Can not execute refreshAdminAcls", ex);
    }

    UserGroupInformation user = checkAccess("transitionToActive");
    checkHaStateChange(reqInfo);
    try {
      rm.transitionToActive();
      // call all refresh*s for active RM to get the updated configurations.
      refreshAll();
      RMAuditLogger.logSuccess(user.getShortUserName(),
          "transitionToActive", "RMHAProtocolService");
    } catch (Exception e) {
      RMAuditLogger.logFailure(user.getShortUserName(), "transitionToActive",
          adminAcl.toString(), "RMHAProtocolService",
          "Exception transitioning to active");
      throw new ServiceFailedException(
          "Error when transitioning to Active mode", e);
    }
  }
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    // call refreshAdminAcls before HA state transition
    // for the case that adminAcls have been updated in previous active RM
    try {
      refreshAdminAcls(false);
    } catch (YarnException ex) {
      throw new ServiceFailedException("Can not execute refreshAdminAcls", ex);
    }
    UserGroupInformation user = checkAccess("transitionToStandby");
    checkHaStateChange(reqInfo);
    try {
      rm.transitionToStandby(true);
      RMAuditLogger.logSuccess(user.getShortUserName(),
          "transitionToStandby", "RMHAProtocolService");
    } catch (Exception e) {
      RMAuditLogger.logFailure(user.getShortUserName(), "transitionToStandby",
          adminAcl.toString(), "RMHAProtocolService",
          "Exception transitioning to standby");
      throw new ServiceFailedException(
          "Error when transitioning to Standby mode", e);
    }
  }
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Related Classes of org.apache.hadoop.ha.ServiceFailedException

  • org.apache.hadoop.hdfs.server.namenode.BackupState
  • org.apache.hadoop.hdfs.server.namenode.ha.ActiveState
  • org.apache.hadoop.hdfs.server.namenode.ha.HAState
  • org.apache.hadoop.hdfs.server.namenode.ha.StandbyCheckpointer
  • org.apache.hadoop.hdfs.server.namenode.ha.StandbyState
  • org.apache.hadoop.hdfs.server.namenode.NameNode
  • org.apache.hadoop.yarn.server.resourcemanager.AdminService
  • org.apache.hadoop.yarn.server.resourcemanager.EmbeddedElectorService
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