/** * 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); } }