Examples with InterruptedIOException java.io.InterruptedIOException used on opensource projects

Example 16 with InterruptedIOException

use of java.io.InterruptedIOException in project hbase by apache.

the class MiniZooKeeperCluster method waitForServerUp.

// XXX: From o.a.zk.t.ClientBase
private static boolean waitForServerUp(int port, long timeout) throws IOException {
    long start = System.currentTimeMillis();
    while (true) {
        try {
            Socket sock = new Socket("localhost", port);
            BufferedReader reader = null;
            try {
                OutputStream outstream = sock.getOutputStream();
                outstream.write("stat".getBytes());
                outstream.flush();
                Reader isr = new InputStreamReader(sock.getInputStream());
                reader = new BufferedReader(isr);
                String line = reader.readLine();
                if (line != null && line.startsWith("Zookeeper version:")) {
                    return true;
                }
            } finally {
                sock.close();
                if (reader != null) {
                    reader.close();
                }
            }
        } catch (IOException e) {
            // ignore as this is expected
            LOG.info("server localhost:" + port + " not up " + e);
        }
        if (System.currentTimeMillis() > start + timeout) {
            break;
        }
        try {
            Thread.sleep(250);
        } catch (InterruptedException e) {
            throw (InterruptedIOException) new InterruptedIOException().initCause(e);
        }
    }
    return false;
}

Example 17 with InterruptedIOException

use of java.io.InterruptedIOException in project hbase by apache.

the class ZKSplitLog method getRegionFlushedSequenceId.

/**
   * This function is used in distributedLogReplay to fetch last flushed sequence id from ZK
   * @param zkw
   * @param serverName
   * @param encodedRegionName
   * @return the last flushed sequence ids recorded in ZK of the region for <code>serverName</code>
   * @throws IOException
   */
public static RegionStoreSequenceIds getRegionFlushedSequenceId(ZooKeeperWatcher zkw, String serverName, String encodedRegionName) throws IOException {
    // when SplitLogWorker recovers a region by directly replaying unflushed WAL edits,
    // last flushed sequence Id changes when newly assigned RS flushes writes to the region.
    // If the newly assigned RS fails again(a chained RS failures scenario), the last flushed
    // sequence Id name space (sequence Id only valid for a particular RS instance), changes
    // when different newly assigned RS flushes the region.
    // Therefore, in this mode we need to fetch last sequence Ids from ZK where we keep history of
    // last flushed sequence Id for each failed RS instance.
    RegionStoreSequenceIds result = null;
    String nodePath = ZKUtil.joinZNode(zkw.znodePaths.recoveringRegionsZNode, encodedRegionName);
    nodePath = ZKUtil.joinZNode(nodePath, serverName);
    try {
        byte[] data;
        try {
            data = ZKUtil.getData(zkw, nodePath);
        } catch (InterruptedException e) {
            throw new InterruptedIOException();
        }
        if (data != null) {
            result = ZKUtil.parseRegionStoreSequenceIds(data);
        }
    } catch (KeeperException e) {
        throw new IOException("Cannot get lastFlushedSequenceId from ZooKeeper for server=" + serverName + "; region=" + encodedRegionName, e);
    } catch (DeserializationException e) {
        LOG.warn("Can't parse last flushed sequence Id from znode:" + nodePath, e);
    }
    return result;
}

Example 18 with InterruptedIOException

use of java.io.InterruptedIOException in project hbase by apache.

the class RemoteAdmin method getClusterVersion.

/**
   * @return string representing the cluster's version
   * @throws IOException
   *           if the endpoint does not exist, there is a timeout, or some other
   *           general failure mode
   */
public StorageClusterVersionModel getClusterVersion() throws IOException {
    StringBuilder path = new StringBuilder();
    path.append('/');
    if (accessToken != null) {
        path.append(accessToken);
        path.append('/');
    }
    path.append("version/cluster");
    int code = 0;
    for (int i = 0; i < maxRetries; i++) {
        Response response = client.get(path.toString(), Constants.MIMETYPE_XML);
        code = response.getCode();
        switch(code) {
            case 200:
                try {
                    return (StorageClusterVersionModel) getUnmarsheller().unmarshal(getInputStream(response));
                } catch (JAXBException jaxbe) {
                    throw new IOException("Issue parsing StorageClusterVersionModel object in XML form: " + jaxbe.getLocalizedMessage(), jaxbe);
                }
            case 404:
                throw new IOException("Cluster version not found");
            case 509:
                try {
                    Thread.sleep(sleepTime);
                } catch (InterruptedException e) {
                    throw (InterruptedIOException) new InterruptedIOException().initCause(e);
                }
                break;
            default:
                throw new IOException(path.toString() + " request returned " + code);
        }
    }
    throw new IOException("get request to " + path.toString() + " request timed out");
}

Example 19 with InterruptedIOException

use of java.io.InterruptedIOException in project hbase by apache.

the class RemoteAdmin method isTableAvailable.

/**
   * @param tableName name of table to check
   * @return true if all regions of the table are available
   * @throws IOException if a remote or network exception occurs
   */
public boolean isTableAvailable(byte[] tableName) throws IOException {
    StringBuilder path = new StringBuilder();
    path.append('/');
    if (accessToken != null) {
        path.append(accessToken);
        path.append('/');
    }
    path.append(Bytes.toStringBinary(tableName));
    path.append('/');
    path.append("exists");
    int code = 0;
    for (int i = 0; i < maxRetries; i++) {
        Response response = client.get(path.toString(), Constants.MIMETYPE_PROTOBUF);
        code = response.getCode();
        switch(code) {
            case 200:
                return true;
            case 404:
                return false;
            case 509:
                try {
                    Thread.sleep(sleepTime);
                } catch (InterruptedException e) {
                    throw (InterruptedIOException) new InterruptedIOException().initCause(e);
                }
                break;
            default:
                throw new IOException("get request to " + path.toString() + " returned " + code);
        }
    }
    throw new IOException("get request to " + path.toString() + " timed out");
}

Example 20 with InterruptedIOException

use of java.io.InterruptedIOException in project hbase by apache.

the class RemoteAdmin method deleteTable.

/**
   * Deletes a table.
   * @param tableName name of table to delete
   * @throws IOException if a remote or network exception occurs
   */
public void deleteTable(final byte[] tableName) throws IOException {
    StringBuilder path = new StringBuilder();
    path.append('/');
    if (accessToken != null) {
        path.append(accessToken);
        path.append('/');
    }
    path.append(Bytes.toStringBinary(tableName));
    path.append('/');
    path.append("schema");
    int code = 0;
    for (int i = 0; i < maxRetries; i++) {
        Response response = client.delete(path.toString());
        code = response.getCode();
        switch(code) {
            case 200:
                return;
            case 509:
                try {
                    Thread.sleep(sleepTime);
                } catch (InterruptedException e) {
                    throw (InterruptedIOException) new InterruptedIOException().initCause(e);
                }
                break;
            default:
                throw new IOException("delete request to " + path.toString() + " returned " + code);
        }
    }
    throw new IOException("delete request to " + path.toString() + " timed out");
}