Examples with AcceptableThriftTableOperationException org.apache.accumulo.core.client.impl.AcceptableThriftTableOperationException used on opensource projects

Example 11 with AcceptableThriftTableOperationException

use of org.apache.accumulo.core.client.impl.AcceptableThriftTableOperationException in project accumulo by apache.

the class RenameTable method call.

@Override
public Repo<Master> call(long tid, Master master) throws Exception {
    Instance instance = master.getInstance();
    Pair<String, String> qualifiedOldTableName = Tables.qualify(oldTableName);
    Pair<String, String> qualifiedNewTableName = Tables.qualify(newTableName);
    // ensure no attempt is made to rename across namespaces
    if (newTableName.contains(".") && !namespaceId.equals(Namespaces.getNamespaceId(instance, qualifiedNewTableName.getFirst())))
        throw new AcceptableThriftTableOperationException(tableId.canonicalID(), oldTableName, TableOperation.RENAME, TableOperationExceptionType.INVALID_NAME, "Namespace in new table name does not match the old table name");
    IZooReaderWriter zoo = ZooReaderWriter.getInstance();
    Utils.tableNameLock.lock();
    try {
        Utils.checkTableDoesNotExist(instance, newTableName, tableId, TableOperation.RENAME);
        final String newName = qualifiedNewTableName.getSecond();
        final String oldName = qualifiedOldTableName.getSecond();
        final String tap = ZooUtil.getRoot(instance) + Constants.ZTABLES + "/" + tableId + Constants.ZTABLE_NAME;
        zoo.mutate(tap, null, null, new Mutator() {

            @Override
            public byte[] mutate(byte[] current) throws Exception {
                final String currentName = new String(current, UTF_8);
                if (currentName.equals(newName))
                    // assume in this case the operation is running again, so we are done
                    return null;
                if (!currentName.equals(oldName)) {
                    throw new AcceptableThriftTableOperationException(null, oldTableName, TableOperation.RENAME, TableOperationExceptionType.NOTFOUND, "Name changed while processing");
                }
                return newName.getBytes(UTF_8);
            }
        });
        Tables.clearCache(instance);
    } finally {
        Utils.tableNameLock.unlock();
        Utils.unreserveTable(tableId, tid, true);
        Utils.unreserveNamespace(namespaceId, tid, false);
    }
    LoggerFactory.getLogger(RenameTable.class).debug("Renamed table {} {} {}", tableId, oldTableName, newTableName);
    return null;
}

Example 12 with AcceptableThriftTableOperationException

use of org.apache.accumulo.core.client.impl.AcceptableThriftTableOperationException in project accumulo by apache.

the class Utils method reserveTable.

public static long reserveTable(Table.ID tableId, long tid, boolean writeLock, boolean tableMustExist, TableOperation op) throws Exception {
    if (getLock(tableId, tid, writeLock).tryLock()) {
        if (tableMustExist) {
            Instance instance = HdfsZooInstance.getInstance();
            IZooReaderWriter zk = ZooReaderWriter.getInstance();
            if (!zk.exists(ZooUtil.getRoot(instance) + Constants.ZTABLES + "/" + tableId))
                throw new AcceptableThriftTableOperationException(tableId.canonicalID(), "", op, TableOperationExceptionType.NOTFOUND, "Table does not exist");
        }
        log.info("table {} ({}) locked for {} operation: {}", tableId, Long.toHexString(tid), (writeLock ? "write" : "read"), op);
        return 0;
    } else
        return 100;
}

Example 13 with AcceptableThriftTableOperationException

use of org.apache.accumulo.core.client.impl.AcceptableThriftTableOperationException in project accumulo by apache.

the class Utils method reserveNamespace.

public static long reserveNamespace(Namespace.ID namespaceId, long id, boolean writeLock, boolean mustExist, TableOperation op) throws Exception {
    if (getLock(namespaceId, id, writeLock).tryLock()) {
        if (mustExist) {
            Instance instance = HdfsZooInstance.getInstance();
            IZooReaderWriter zk = ZooReaderWriter.getInstance();
            if (!zk.exists(ZooUtil.getRoot(instance) + Constants.ZNAMESPACES + "/" + namespaceId))
                throw new AcceptableThriftTableOperationException(namespaceId.canonicalID(), "", op, TableOperationExceptionType.NAMESPACE_NOTFOUND, "Namespace does not exist");
        }
        log.info("namespace {} ({}) locked for {} operation: {}", namespaceId, Long.toHexString(id), (writeLock ? "write" : "read"), op);
        return 0;
    } else
        return 100;
}

Example 14 with AcceptableThriftTableOperationException

use of org.apache.accumulo.core.client.impl.AcceptableThriftTableOperationException in project accumulo by apache.

the class WriteExportFiles method call.

@Override
public Repo<Master> call(long tid, Master master) throws Exception {
    try {
        exportTable(master.getFileSystem(), master, tableInfo.tableName, tableInfo.tableID, tableInfo.exportDir);
    } catch (IOException ioe) {
        throw new AcceptableThriftTableOperationException(tableInfo.tableID.canonicalID(), tableInfo.tableName, TableOperation.EXPORT, TableOperationExceptionType.OTHER, "Failed to create export files " + ioe.getMessage());
    }
    Utils.unreserveNamespace(tableInfo.namespaceID, tid, false);
    Utils.unreserveTable(tableInfo.tableID, tid, false);
    Utils.unreserveHdfsDirectory(new Path(tableInfo.exportDir).toString(), tid);
    return null;
}

Example 15 with AcceptableThriftTableOperationException

use of org.apache.accumulo.core.client.impl.AcceptableThriftTableOperationException in project accumulo by apache.

the class WriteExportFiles method isReady.

@Override
public long isReady(long tid, Master master) throws Exception {
    long reserved = Utils.reserveNamespace(tableInfo.namespaceID, tid, false, true, TableOperation.EXPORT) + Utils.reserveTable(tableInfo.tableID, tid, false, true, TableOperation.EXPORT);
    if (reserved > 0)
        return reserved;
    Connector conn = master.getConnector();
    checkOffline(conn);
    Scanner metaScanner = conn.createScanner(MetadataTable.NAME, Authorizations.EMPTY);
    metaScanner.setRange(new KeyExtent(tableInfo.tableID, null, null).toMetadataRange());
    // scan for locations
    metaScanner.fetchColumnFamily(TabletsSection.CurrentLocationColumnFamily.NAME);
    metaScanner.fetchColumnFamily(TabletsSection.FutureLocationColumnFamily.NAME);
    if (metaScanner.iterator().hasNext()) {
        return 500;
    }
    // use the same range to check for walogs that we used to check for hosted (or future hosted) tablets
    // this is done as a separate scan after we check for locations, because walogs are okay only if there is no location
    metaScanner.clearColumns();
    metaScanner.fetchColumnFamily(LogColumnFamily.NAME);
    if (metaScanner.iterator().hasNext()) {
        throw new AcceptableThriftTableOperationException(tableInfo.tableID.canonicalID(), tableInfo.tableName, TableOperation.EXPORT, TableOperationExceptionType.OTHER, "Write ahead logs found for table");
    }
    return 0;
}