ho usato Hadoop alveare 0.9.0 e 1.1.2 e NetBeans, ma ho ottenuto questo errore e non riesco a risolvere questo problema please help me codice:java.lang.OutOfMemoryError: Java spazio heap con alveare
public class Hive_test {
private static String driverName = "org.apache.hadoop.hive.jdbc.HiveDriver";
@SuppressWarnings("CallToThreadDumpStack")
public static void main(String[] args) throws SQLException {
try {
Class.forName(driverName);
} catch (ClassNotFoundException e){
e.printStackTrace();
System.exit(1);
}
System.out.println("commencer la connexion");
Connection con = DriverManager.getConnection("jdbc:hive://localhost:10000/default",""," ");
Statement stmt = con.createStatement();
ResultSet res = stmt.executeQuery("select * from STATE");
while (res.next()){
System.out.println(String.valueOf(res.getInt(1)) + "\t" + res.getString(2));
System.out.println("sql terminer");
}
}
Errore di seguito;
error :
commencer la connexion
Exception in thread "main" java.lang.OutOfMemoryError: Java heap space
at org.apache.thrift.protocol.TBinaryProtocol.readStringBody(TBinaryProtocol.java:353)
at org.apache.thrift.protocol.TBinaryProtocol.readMessageBegin(TBinaryProtocol.java:215)
at org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:69)
at org.apache.hadoop.hive.service.ThriftHive$Client.recv_execute(ThriftHive.java:116)
at org.apache.hadoop.hive.service.ThriftHive$Client.execute(ThriftHive.java:103)
at org.apache.hadoop.hive.jdbc.HiveStatement.executeQuery(HiveStatement.java:192)
at org.apache.hadoop.hive.jdbc.HiveStatement.execute(HiveStatement.java:132)
at org.apache.hadoop.hive.jdbc.HiveConnection.configureConnection(HiveConnection.java:132)
at org.apache.hadoop.hive.jdbc.HiveConnection.<init>(HiveConnection.java:122)
at org.apache.hadoop.hive.jdbc.HiveDriver.connect(HiveDriver.java:106)
at java.sql.DriverManager.getConnection(DriverManager.java:571)
at java.sql.DriverManager.getConnection(DriverManager.java:215)
at hive.Hive_test.main(Hive_test.java:22)
Hai provato con più memoria? con -Xmx? – Jayan
@Jayan no Non so come, perché lavoro netbeans – kawther