org.apache.cassandra.thrift.InvalidRequestException Java Examples

/**
 * This method intentionally swallows ordered execution issues.  For some reason, our Time UUID ordering does
 * not agree with the cassandra comparator as our micros get very close
 * @param query
 * @param <K>
 * @param <UUID>
 * @param <V>
 * @return
 */
protected static <K, UUID, V> List<HColumn<UUID, V>> swallowOrderedExecution( final SliceQuery<K, UUID, V> query ) {
    try {

        return query.execute().get().getColumns();
    }
    catch ( HInvalidRequestException e ) {
        //invalid request.  Occasionally we get order issues when there shouldn't be, disregard them.

        final Throwable invalidRequestException = e.getCause();

        if ( invalidRequestException instanceof InvalidRequestException
                //we had a range error
                && ( ( InvalidRequestException ) invalidRequestException ).getWhy().contains(
                "range finish must come after start in the order of traversal" )) {
            return Collections.emptyList();
        }

        throw e;
    }
}
 

@Test
public void testCassandraStorageCounterCF() throws IOException, ClassNotFoundException, TException, TimedOutException, NotFoundException, InvalidRequestException, NoSuchFieldException, UnavailableException, IllegalAccessException, InstantiationException, AuthenticationException, AuthorizationException
{
    pig.registerQuery("rows = LOAD 'cassandra://thriftKs/SomeApp?" + defaultParameters + "' USING CassandraStorage();");

    //Test counter column family support
    pig.registerQuery("CC = load 'cassandra://thriftKs/CC?" + defaultParameters + "' using CassandraStorage();");
    pig.registerQuery("total_hits = foreach CC generate key, SUM(columns.value);");
    //(chuck,4)
    Iterator<Tuple> it = pig.openIterator("total_hits");
    if (it.hasNext()) {
        Tuple t = it.next();
        Assert.assertEquals(t.get(0), "chuck");
        Assert.assertEquals(t.get(1), 4l);
    }
}
 

private void SingleKeyTableTest(String initialQuery)
throws AuthenticationException, AuthorizationException, InvalidRequestException, UnavailableException, TimedOutException, TException, NotFoundException, SchemaDisagreementException, IOException
{
    pig.setBatchOn();
    pig.registerQuery(initialQuery);
    pig.registerQuery("insertformat= FOREACH moretestvalues GENERATE TOTUPLE(TOTUPLE('a',x)),TOTUPLE(y);");
    pig.registerQuery("STORE insertformat INTO 'cql://cql3ks/test?" + defaultParameters + nativeParameters + "&output_query=UPDATE+cql3ks.test+set+b+%3D+%3F' USING CqlNativeStorage();");
    pig.executeBatch();
    //(5,5)
    //(6,6)
    //(4,4)
    //(2,2)
    //(3,3)
    //(1,1)
    //input_cql=select * from test where token(a) > ? and token(a) <= ?
    pig.registerQuery("result= LOAD 'cql://cql3ks/test?" + defaultParameters + nativeParameters + "&input_cql=select%20*%20from%20test%20where%20token(a)%20%3E%20%3F%20and%20token(a)%20%3C%3D%20%3F' USING CqlNativeStorage();");
    Iterator<Tuple> it = pig.openIterator("result");
    while (it.hasNext()) {
        Tuple t = it.next();
        Assert.assertEquals(t.get(0), t.get(1));
    }
}
 

@BeforeClass
public static void setup() throws TTransportException, IOException, InterruptedException, ConfigurationException,
                                  AuthenticationException, AuthorizationException, InvalidRequestException, UnavailableException, TimedOutException, TException, NotFoundException, CharacterCodingException, ClassNotFoundException, NoSuchFieldException, IllegalAccessException, InstantiationException
{
    startCassandra();
    setupDataByCql(statements);
    startHadoopCluster();
}
 

@BeforeClass
public static void setup() throws TTransportException, IOException, InterruptedException, ConfigurationException,
AuthenticationException, AuthorizationException, InvalidRequestException, UnavailableException, TimedOutException, TException, NotFoundException, CharacterCodingException, ClassNotFoundException, NoSuchFieldException, IllegalAccessException, InstantiationException
{
    startCassandra();
    setupDataByCql(statements);
    startHadoopCluster();
}
 

private void executeCliStatements(String[] statements) throws CharacterCodingException, ClassNotFoundException, TException, TimedOutException, NotFoundException, InvalidRequestException, NoSuchFieldException, UnavailableException, IllegalAccessException, InstantiationException
{
    CliMain.connect("127.0.0.1", 9170);
    try
    {
        for (String stmt : statements)
            CliMain.processStatement(stmt);
    }
    catch (Exception e)
    {
    }
}
 

private String getColumnValue(String ks, String cf, String colName, String key, String validator)
throws AuthenticationException, AuthorizationException, InvalidRequestException, UnavailableException, TimedOutException, TException, NotFoundException, IOException
{
    Cassandra.Client client = getClient();
    client.set_keyspace(ks);

    ByteBuffer key_user_id = ByteBufferUtil.bytes(key);
    ColumnPath cp = new ColumnPath(cf);
    cp.column = ByteBufferUtil.bytes(colName);

    // read
    ColumnOrSuperColumn got = client.get(key_user_id, cp, ConsistencyLevel.ONE);
    return parseType(validator).getString(got.getColumn().value);
}
 

@Test
public void testCassandraStorageFullCopy() throws IOException, ClassNotFoundException, TException, TimedOutException, NotFoundException, InvalidRequestException, NoSuchFieldException, UnavailableException, IllegalAccessException, InstantiationException, AuthenticationException, AuthorizationException
{
    pig.setBatchOn();
    pig.registerQuery("rows = LOAD 'cassandra://thriftKs/SomeApp?" + defaultParameters + "' USING CassandraStorage();");
    //full copy
    pig.registerQuery("STORE rows INTO 'cassandra://thriftKs/CopyOfSomeApp?" + defaultParameters + "' USING CassandraStorage();");
    pig.executeBatch();
    Assert.assertEquals("User Qux", getColumnValue("thriftKs", "CopyOfSomeApp", "name", "qux", "UTF8Type"));
    Assert.assertEquals("dislike", getColumnValue("thriftKs", "CopyOfSomeApp", "vote_type", "qux", "UTF8Type"));
    Assert.assertEquals("64.7", getColumnValue("thriftKs", "CopyOfSomeApp", "percent", "qux", "FloatType"));
}
 

@Test
public void testCqlNativeStorage() throws IOException, ClassNotFoundException, TException, TimedOutException, NotFoundException, InvalidRequestException, NoSuchFieldException, UnavailableException, IllegalAccessException, InstantiationException, AuthenticationException, AuthorizationException
{
    //regular thrift column families
    //input_cql=select * from "SomeApp" where token(key) > ? and token(key) <= ?
    cqlStorageTest("data = load 'cql://thriftKs/SomeApp?" + defaultParameters + nativeParameters + "&input_cql=select%20*%20from%20%22SomeApp%22%20where%20token(key)%20%3E%20%3F%20and%20token(key)%20%3C%3D%20%3F' using CqlNativeStorage();");

    //Test counter colun family
    //input_cql=select * from "CC" where token(key) > ? and token(key) <= ?
    cqlStorageCounterTableTest("cc_data = load 'cql://thriftKs/CC?" + defaultParameters + nativeParameters + "&input_cql=select%20*%20from%20%22CC%22%20where%20token(key)%20%3E%20%3F%20and%20token(key)%20%3C%3D%20%3F' using CqlNativeStorage();");

    //Test composite column family
    //input_cql=select * from "Compo" where token(key) > ? and token(key) <= ?
    cqlStorageCompositeTableTest("compo_data = load 'cql://thriftKs/Compo?" + defaultParameters + nativeParameters + "&input_cql=select%20*%20from%20%22Compo%22%20where%20token(key)%20%3E%20%3F%20and%20token(key)%20%3C%3D%20%3F' using CqlNativeStorage();");
}
 

@BeforeClass
public static void setup() throws TTransportException, IOException, InterruptedException, ConfigurationException,
                                  AuthenticationException, AuthorizationException, InvalidRequestException, UnavailableException, TimedOutException, TException, NotFoundException, CharacterCodingException, ClassNotFoundException, NoSuchFieldException, IllegalAccessException, InstantiationException
{
    startCassandra();
    setupDataByCli(statements);
    startHadoopCluster();
}
 

@BeforeClass
public static void setup() throws TTransportException, IOException, InterruptedException, ConfigurationException,
                                  AuthenticationException, AuthorizationException, InvalidRequestException, UnavailableException, TimedOutException, TException, NotFoundException, CharacterCodingException, ClassNotFoundException, NoSuchFieldException, IllegalAccessException, InstantiationException
{
    startCassandra();
    setupDataByCli(statements);
    startHadoopCluster();
}
 

@Test
public void testCqlNativeStorageMapType()
throws AuthenticationException, AuthorizationException, InvalidRequestException, UnavailableException, TimedOutException, TException, NotFoundException, SchemaDisagreementException, IOException
{
    //input_cql=select * from maptable where token(key) > ? and token(key) <= ?
    maptableTest("map_rows = LOAD 'cql://cql3ks/maptable?" + defaultParameters + nativeParameters + "&input_cql=select%20*%20from%20maptable%20where%20token(key)%20%3E%20%3F%20and%20token(key)%20%3C%3D%20%3F' USING CqlNativeStorage();");
}
 

@Test
public void testCqlNativeStorageListType()
throws AuthenticationException, AuthorizationException, InvalidRequestException, UnavailableException, TimedOutException, TException, NotFoundException, SchemaDisagreementException, IOException
{
    //input_cql=select * from listtable where token(key) > ? and token(key) <= ?
    listtableTest("list_rows = LOAD 'cql://cql3ks/listtable?" + defaultParameters + nativeParameters + "&input_cql=select%20*%20from%20listtable%20where%20token(key)%20%3E%20%3F%20and%20token(key)%20%3C%3D%20%3F' USING CqlNativeStorage();");
}
 

@Test
public void testCqlNativeStorageSetType()
throws AuthenticationException, AuthorizationException, InvalidRequestException, UnavailableException, TimedOutException, TException, NotFoundException, SchemaDisagreementException, IOException
{
    //input_cql=select * from settable where token(key) > ? and token(key) <= ?
    settableTest("set_rows = LOAD 'cql://cql3ks/settable?" + defaultParameters + nativeParameters + "&input_cql=select%20*%20from%20settable%20where%20token(key)%20%3E%20%3F%20and%20token(key)%20%3C%3D%20%3F' USING CqlNativeStorage();");
}
 

@Test
public void testCqlNativeStorageRegularType()
throws AuthenticationException, AuthorizationException, InvalidRequestException, UnavailableException, TimedOutException, TException, NotFoundException, SchemaDisagreementException, IOException
{
    //input_cql=select * from cqltable where token(key) > ? and token(key) <= ?
    cqlTableTest("rows = LOAD 'cql://cql3ks/cqltable?" + defaultParameters + nativeParameters + "&input_cql=select%20*%20from%20cqltable%20where%20token(key)%20%3E%20%3F%20and%20token(key)%20%3C%3D%20%3F' USING CqlNativeStorage();");

    //input_cql=select * from countertable where token(key) > ? and token(key) <= ?
    counterTableTest("cc_rows = LOAD 'cql://cql3ks/countertable?" + defaultParameters + nativeParameters + "&input_cql=select%20*%20from%20countertable%20where%20token(key)%20%3E%20%3F%20and%20token(key)%20%3C%3D%20%3F' USING CqlNativeStorage();");
}
 

private void dropOldKeyspace() throws InvalidRequestException, SchemaDisagreementException, TException {
  TTransport tr = new TFramedTransport(new TSocket("localhost", 9160));
  TProtocol proto = new TBinaryProtocol(tr);
  Cassandra.Client client = new Cassandra.Client(proto);
  tr.open();

  client.system_drop_keyspace(JANUSGRAPH);
  LOGGER.info("DROPPED keyspace janusgraph");
  tr.close();
}
 

private void CollectionColumnTableTest(String initialQuery)
throws AuthenticationException, AuthorizationException, InvalidRequestException, UnavailableException, TimedOutException, TException, NotFoundException, SchemaDisagreementException, IOException
{
    pig.setBatchOn();
    pig.registerQuery(initialQuery);
    pig.registerQuery("recs= FOREACH collectiontable GENERATE TOTUPLE(TOTUPLE('m', m) ), TOTUPLE(TOTUPLE('map', TOTUPLE('m', 'mm'), TOTUPLE('n', 'nn')));");
    pig.registerQuery("STORE recs INTO 'cql://cql3ks/collectiontable?" + defaultParameters + nativeParameters + "&output_query=update+cql3ks.collectiontable+set+n+%3D+%3F' USING CqlNativeStorage();");
    pig.executeBatch();

    //(book2,((m,mm),(n,nn)))
    //(book3,((m,mm),(n,nn)))
    //(book4,((m,mm),(n,nn)))
    //(book1,((m,mm),(n,nn)))
    //input_cql=select * from collectiontable where token(m) > ? and token(m) <= ?
    pig.registerQuery("result= LOAD 'cql://cql3ks/collectiontable?" + defaultParameters + nativeParameters + "&input_cql=select%20*%20from%20collectiontable%20where%20token(m)%20%3E%20%3F%20and%20token(m)%20%3C%3D%20%3F' USING CqlNativeStorage();");
    Iterator<Tuple> it = pig.openIterator("result");
    if (it.hasNext()) {
        Tuple t = it.next();
        Tuple t1 = (Tuple) t.get(1);
        Assert.assertEquals(t1.size(), 2);
        Tuple element1 = (Tuple) t1.get(0);
        Tuple element2 = (Tuple) t1.get(1);
        Assert.assertEquals(element1.get(0), "m");
        Assert.assertEquals(element1.get(1), "mm");
        Assert.assertEquals(element2.get(0), "n");
        Assert.assertEquals(element2.get(1), "nn");
    }
    else
    {
        Assert.fail("Can't fetch any data");
    }
}
 

@Test
public void testCqlNativeStorageCollectionColumnTable()
throws AuthenticationException, AuthorizationException, InvalidRequestException, UnavailableException, TimedOutException, TException, NotFoundException, SchemaDisagreementException, IOException
{
    //input_cql=select * from collectiontable where token(m) > ? and token(m) <= ?
    CollectionColumnTableTest("collectiontable= LOAD 'cql://cql3ks/collectiontable?" + defaultParameters + nativeParameters + "&input_cql=select%20*%20from%20collectiontable%20where%20token(m)%20%3E%20%3F%20and%20token(m)%20%3C%3D%20%3F' USING CqlNativeStorage();");
}
 

private void CompositeKeyTableTest(String initialQuery)
throws AuthenticationException, AuthorizationException, InvalidRequestException, UnavailableException, TimedOutException, TException, NotFoundException, SchemaDisagreementException, IOException
{
    pig.setBatchOn();
    pig.registerQuery(initialQuery);
    pig.registerQuery("insertformat = FOREACH moredata GENERATE TOTUPLE (TOTUPLE('a',x),TOTUPLE('b',y), TOTUPLE('c',z)),TOTUPLE(data);");
    pig.registerQuery("STORE insertformat INTO 'cql://cql3ks/compotable?" + defaultParameters + nativeParameters + "&output_query=UPDATE%20cql3ks.compotable%20SET%20d%20%3D%20%3F' USING CqlNativeStorage();");
    pig.executeBatch();

    //(5,6,Fix,nomatch)
    //(3,3,Three,match)
    //(1,1,One,match)
    //(2,2,Two,match)
    //(7,7,Seven,match)
    //(8,8,Eight,match)
    //(6,5,Sive,nomatch)
    //(4,4,Four,match)
    //(9,10,Ninen,nomatch)
    //input_cql=select * from compotable where token(a) > ? and token(a) <= ?
    pig.registerQuery("result= LOAD 'cql://cql3ks/compotable?" + defaultParameters + nativeParameters + "&input_cql=select%20*%20from%20compotable%20where%20token(a)%20%3E%20%3F%20and%20token(a)%20%3C%3D%20%3F' USING CqlNativeStorage();");
    Iterator<Tuple> it = pig.openIterator("result");
    int count = 0;
    while (it.hasNext()) {
        it.next();
        count ++;
    }
    Assert.assertEquals(count, 9);
}
 

@Test
public void testCqlNativeStorageCompositeKeyTable()
throws AuthenticationException, AuthorizationException, InvalidRequestException, UnavailableException, TimedOutException, TException, NotFoundException, SchemaDisagreementException, IOException
{
    //input_cql=select * from compmore where token(id) > ? and token(id) <= ?
    CompositeKeyTableTest("moredata= LOAD 'cql://cql3ks/compmore?" + defaultParameters + nativeParameters + "&input_cql=select%20*%20from%20compmore%20where%20token(id)%20%3E%20%3F%20and%20token(id)%20%3C%3D%20%3F' USING CqlNativeStorage();");
}
 

@Test
public void testCqlNativeStorageSingleKeyTable()
throws AuthenticationException, AuthorizationException, InvalidRequestException, UnavailableException, TimedOutException, TException, NotFoundException, SchemaDisagreementException, IOException
{
    //input_cql=select * from moredata where token(x) > ? and token(x) <= ?
    SingleKeyTableTest("moretestvalues= LOAD 'cql://cql3ks/moredata?" + defaultParameters + nativeParameters + "&input_cql=select%20*%20from%20moredata%20where%20token(x)%20%3E%20%3F%20and%20token(x)%20%3C%3D%20%3F' USING CqlNativeStorage();");
}
 

@Test
public void testCqlNativeStorageSchema()
throws AuthenticationException, AuthorizationException, InvalidRequestException, UnavailableException, TimedOutException, TException, NotFoundException, SchemaDisagreementException, IOException
{
    //input_cql=select * from cqltable where token(key1) > ? and token(key1) <= ?
    cqlTableSchemaTest("rows = LOAD 'cql://cql3ks/cqltable?" + defaultParameters + nativeParameters +  "&input_cql=select%20*%20from%20cqltable%20where%20token(key1)%20%3E%20%3F%20and%20token(key1)%20%3C%3D%20%3F' USING CqlNativeStorage();");

    //input_cql=select * from compactcqltable where token(key1) > ? and token(key1) <= ?
    compactCqlTableSchemaTest("rows = LOAD 'cql://cql3ks/compactcqltable?" + defaultParameters + nativeParameters + "&input_cql=select%20*%20from%20compactcqltable%20where%20token(key1)%20%3E%20%3F%20and%20token(key1)%20%3C%3D%20%3F' USING CqlNativeStorage();");
}
 

@BeforeClass
public static void setup() throws TTransportException, IOException, InterruptedException, ConfigurationException,
                                  AuthenticationException, AuthorizationException, InvalidRequestException, UnavailableException, TimedOutException, TException, NotFoundException, CharacterCodingException, ClassNotFoundException, NoSuchFieldException, IllegalAccessException, InstantiationException
{
    startCassandra();
    setupDataByCql(statements);
    startHadoopCluster();
}
 

protected static void setupDataByCli(String[] statements) throws CharacterCodingException, ClassNotFoundException, TException, TimedOutException, NotFoundException, InvalidRequestException, NoSuchFieldException, UnavailableException, IllegalAccessException, InstantiationException
{
    // new error/output streams for CliSessionState
    ByteArrayOutputStream errStream = new ByteArrayOutputStream();
    ByteArrayOutputStream outStream = new ByteArrayOutputStream();

    // checking if we can connect to the running cassandra node on localhost
    CliMain.connect("127.0.0.1", 9170);

    // setting new output stream
    CliMain.sessionState.setOut(new PrintStream(outStream));
    CliMain.sessionState.setErr(new PrintStream(errStream));

    // re-creating keyspace for tests
    try
    {
        // dropping in case it exists e.g. could be left from previous run
        CliMain.processStatement("drop keyspace thriftKs;");
    }
    catch (Exception e)
    {
    }

    for (String statement : statements)
    {
        errStream.reset();
        System.out.println("Executing statement: " + statement);
        CliMain.processStatement(statement);
        String result = outStream.toString();
        System.out.println("result: " + result);
        outStream.reset(); // reset stream so we have only output from next statement all the time
        errStream.reset(); // no errors to the end user.
    }
}
 

private void insertColumnValue(String parentName, String id, String name, String value, long ts) throws TException, TimedOutException, UnavailableException, InvalidRequestException, UnsupportedEncodingException {
  ColumnParent parent = new ColumnParent(parentName);
  Column column = new Column(toByteBuffer(name));
  column.setValue(toByteBuffer(value));
  column.setTimestamp(ts);
  getClient().insert(toByteBuffer(id), parent, column, ConsistencyLevel.ONE);
}
 

protected String getExceptionMessage(Exception e)
{
    String className = e.getClass().getSimpleName();
    String message = (e instanceof InvalidRequestException) ? ((InvalidRequestException) e).getWhy() : e.getMessage();
    return (message == null) ? "(" + className + ")" : String.format("(%s): %s", className, message);
}
 

protected void popupSchemaInfo() {

    CassandraConnection conn = null;
    try {
      String hostS = transMeta.environmentSubstitute(m_hostText.getText());
      String portS = transMeta.environmentSubstitute(m_portText.getText());
      String userS = m_userText.getText();
      String passS = m_passText.getText();
      if (!Const.isEmpty(userS) && !Const.isEmpty(passS)) {
        userS = transMeta.environmentSubstitute(userS);
        passS = transMeta.environmentSubstitute(passS);
      }
      String keyspaceS = transMeta.environmentSubstitute(m_keyspaceText
          .getText());

      conn = CassandraOutputData.getCassandraConnection(hostS,
          Integer.parseInt(portS), userS, passS);
      try {
        conn.setKeyspace(keyspaceS);
      } catch (InvalidRequestException ire) {
        logError(
            BaseMessages.getString(PKG,
                "CassandraInputDialog.Error.ProblemGettingSchemaInfo.Message")
                + ":\n\n" + ire.why, ire);
        new ErrorDialog(shell, BaseMessages.getString(PKG,
            "CassandraInputDialog.Error.ProblemGettingSchemaInfo.Title"),
            BaseMessages.getString(PKG,
                "CassandraInputDialog.Error.ProblemGettingSchemaInfo.Message")
                + ":\n\n" + ire.why, ire);
        return;
      }

      String colFam = transMeta.environmentSubstitute(m_columnFamilyCombo
          .getText());
      if (Const.isEmpty(colFam)) {
        throw new Exception("No colummn family (table) name specified!");
      }

      if (!CassandraColumnMetaData.columnFamilyExists(conn, colFam)) {
        throw new Exception("The column family '" + colFam + "' does not "
            + "seem to exist in the keyspace '" + keyspaceS);
      }

      CassandraColumnMetaData cassMeta = new CassandraColumnMetaData(conn,
          colFam);
      String schemaDescription = cassMeta.getSchemaDescription();
      ShowMessageDialog smd = new ShowMessageDialog(shell, SWT.ICON_INFORMATION
          | SWT.OK, "Schema info", schemaDescription, true);
      smd.open();
    } catch (Exception e1) {
      logError(
          BaseMessages.getString(PKG,
              "CassandraOutputDialog.Error.ProblemGettingSchemaInfo.Message")
              + ":\n\n" + e1.getMessage(), e1);
      new ErrorDialog(shell, BaseMessages.getString(PKG,
          "CassandraOutputDialog.Error.ProblemGettingSchemaInfo.Title"),
          BaseMessages.getString(PKG,
              "CassandraOutputDialog.Error.ProblemGettingSchemaInfo.Message")
              + ":\n\n" + e1.getMessage(), e1);
    } finally {
      if (conn != null) {
        conn.close();
      }
    }
  }
 

protected void setupColumnFamiliesCombo() {
  CassandraConnection conn = null;

  try {
    String hostS = transMeta.environmentSubstitute(m_hostText.getText());
    String portS = transMeta.environmentSubstitute(m_portText.getText());
    String userS = m_userText.getText();
    String passS = m_passText.getText();
    if (!Const.isEmpty(userS) && !Const.isEmpty(passS)) {
      userS = transMeta.environmentSubstitute(userS);
      passS = transMeta.environmentSubstitute(passS);
    }
    String keyspaceS = transMeta.environmentSubstitute(m_keyspaceText
        .getText());

    conn = CassandraOutputData.getCassandraConnection(hostS,
        Integer.parseInt(portS), userS, passS);

    try {
      conn.setKeyspace(keyspaceS);
    } catch (InvalidRequestException ire) {
      logError(
          BaseMessages.getString(PKG,
              "CassandraOutputDialog.Error.ProblemGettingSchemaInfo.Message")
              + ":\n\n" + ire.why, ire);
      new ErrorDialog(shell, BaseMessages.getString(PKG,
          "CassandraOutputDialog.Error.ProblemGettingSchemaInfo.Title"),
          BaseMessages.getString(PKG,
              "CassandraOutputDialog.Error.ProblemGettingSchemaInfo.Message")
              + ":\n\n" + ire.why, ire);
      return;
    }

    List<String> colFams = CassandraColumnMetaData.getColumnFamilyNames(conn);
    m_columnFamilyCombo.removeAll();
    for (String famName : colFams) {
      m_columnFamilyCombo.add(famName);
    }

  } catch (Exception ex) {
    logError(
        BaseMessages.getString(PKG,
            "CassandraOutputDialog.Error.ProblemGettingSchemaInfo.Message")
            + ":\n\n" + ex.getMessage(), ex);
    new ErrorDialog(shell, BaseMessages.getString(PKG,
        "CassandraOutputDialog.Error.ProblemGettingSchemaInfo.Title"),
        BaseMessages.getString(PKG,
            "CassandraOutputDialog.Error.ProblemGettingSchemaInfo.Message")
            + ":\n\n" + ex.getMessage(), ex);
  }
}
 

/**
 * Create a temporary keyspace. This will only be called when there is no keyspace except system
 * defined on (new cluster).
 * However we need a keyspace to call describe_ring to get all servers from the ring.
 *
 * @return the temporary keyspace
 * @throws InvalidRequestException
 *           error
 * @throws TException
 *           error
 * @throws SchemaDisagreementException
 * @throws InterruptedException
 *           error
 */
private KsDef createTmpKs() throws InvalidRequestException, TException, SchemaDisagreementException {

  Map<String, String> stratOpts = new HashMap<String, String>();
  stratOpts.put("replication_factor", "1");

  KsDef tmpKs = new KsDef("proxy_client_ks", "org.apache.cassandra.locator.SimpleStrategy",
      Arrays.asList(new CfDef[] {})).setStrategy_options(stratOpts);

  clientHolder.getClient().system_add_keyspace(tmpKs);

  return tmpKs;
}