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Merge pull request #4356 from taosdata/hotfix/TD-2132 

Hotfix/td 2132
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huili 2020-11-26 16:29:10 +08:00 committed by GitHub
parent a31d9ecefe e9c83f8251
commit 95390f4b62
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1 changed files with 44 additions and 0 deletions
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src/connector/jdbc/src/test/java/com/taosdata/jdbc/cases/AppMemoryLeakTest.java Normal file
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package com.taosdata.jdbc.cases;
import org.junit.Test;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;
public class AppMemoryLeakTest {
@Test(expected = SQLException.class)
public void testCreateTooManyConnection() throws ClassNotFoundException, SQLException {
Class.forName("com.taosdata.jdbc.TSDBDriver");
int conCnt = 0;
while (true) {
Connection conn = DriverManager.getConnection("jdbc:TAOS://localhost:6030/?user=root&password=taosdata");
System.out.println(conCnt++ + " : " + conn);
}
}
@Test
public void testCreateTooManyStatement() throws ClassNotFoundException, SQLException {
Class.forName("com.taosdata.jdbc.TSDBDriver");
int stmtCnt = 0;
Connection conn = DriverManager.getConnection("jdbc:TAOS://localhost:6030/?user=root&password=taosdata");
while (true) {
Statement stmt = conn.createStatement();
System.out.println(++stmtCnt + " : " + stmt);
}
}
public static void main(String[] args) throws ClassNotFoundException, SQLException {
Class.forName("com.taosdata.jdbc.TSDBDriver");
int stmtCnt = 0;
Connection conn = DriverManager.getConnection("jdbc:TAOS://localhost:6030/?user=root&password=taosdata");
while (true) {
Statement stmt = conn.createStatement();
System.out.println(++stmtCnt + " : " + stmt);
}
}
}