Java ForeignException.getSource方法代码示例

import org.apache.hadoop.hbase.errorhandling.ForeignException; //导入方法依赖的package包/类
/**
 * This should be called by the member and should write a serialized root cause exception as
 * to the abort znode.
 */
@Override
public void sendMemberAborted(Subprocedure sub, ForeignException ee) {
  if (sub == null) {
    LOG.error("Failed due to null subprocedure", ee);
    return;
  }
  String procName = sub.getName();
  LOG.debug("Aborting procedure (" + procName + ") in zk");
  String procAbortZNode = zkController.getAbortZNode(procName);
  try {
    String source = (ee.getSource() == null) ? memberName: ee.getSource();
    byte[] errorInfo = ProtobufUtil.prependPBMagic(ForeignException.serialize(source, ee));
    ZKUtil.createAndFailSilent(zkController.getWatcher(), procAbortZNode, errorInfo);
    LOG.debug("Finished creating abort znode:" + procAbortZNode);
  } catch (KeeperException e) {
    // possible that we get this error for the procedure if we already reset the zk state, but in
    // that case we should still get an error for that procedure anyways
    zkController.logZKTree(zkController.getBaseZnode());
    member.controllerConnectionFailure("Failed to post zk node:" + procAbortZNode
        + " to abort procedure", e, procName);
  }
}
 

import org.apache.hadoop.hbase.errorhandling.ForeignException; //导入方法依赖的package包/类
/**
 * This is the abort message being sent by the coordinator to member
 *
 * TODO this code isn't actually used but can be used to issue a cancellation from the
 * coordinator.
 */
@Override
final public void sendAbortToMembers(Procedure proc, ForeignException ee) {
  String procName = proc.getName();
  LOG.debug("Aborting procedure '" + procName + "' in zk");
  String procAbortNode = zkProc.getAbortZNode(procName);
  try {
    LOG.debug("Creating abort znode:" + procAbortNode);
    String source = (ee.getSource() == null) ? coordName : ee.getSource();
    byte[] errorInfo = ProtobufUtil.prependPBMagic(ForeignException.serialize(source, ee));
    // first create the znode for the procedure
    ZKUtil.createAndFailSilent(zkProc.getWatcher(), procAbortNode, errorInfo);
    LOG.debug("Finished creating abort node:" + procAbortNode);
  } catch (KeeperException e) {
    // possible that we get this error for the procedure if we already reset the zk state, but in
    // that case we should still get an error for that procedure anyways
    zkProc.logZKTree(zkProc.baseZNode);
    coordinator.rpcConnectionFailure("Failed to post zk node:" + procAbortNode
        + " to abort procedure '" + procName + "'", new IOException(e));
  }
}
 

import org.apache.hadoop.hbase.errorhandling.ForeignException; //导入方法依赖的package包/类
/**
 * This should be called by the member and should write a serialized root cause exception as
 * to the abort znode.
 */
@Override
public void sendMemberAborted(Subprocedure sub, ForeignException ee) {
  if (sub == null) {
    LOG.error("Failed due to null subprocedure", ee);
    return;
  }
  String procName = sub.getName();
  LOG.debug("Aborting procedure (" + procName + ") in zk");
  String procAbortZNode = zkController.getAbortZNode(procName);
  try {
    String source = (ee.getSource() == null) ? memberName: ee.getSource();
    byte[] errorInfo = ProtobufUtil.prependPBMagic(ForeignException.serialize(source, ee));
    ZKUtil.createAndFailSilent(zkController.getWatcher(), procAbortZNode, errorInfo);
    LOG.debug("Finished creating abort znode:" + procAbortZNode);
  } catch (KeeperException e) {
    // possible that we get this error for the procedure if we already reset the zk state, but in
    // that case we should still get an error for that procedure anyways
    zkController.logZKTree(zkController.getBaseZnode());
    member.controllerConnectionFailure("Failed to post zk node:" + procAbortZNode
        + " to abort procedure", new IOException(e));
  }
}