dbcp连接池问题java.lang.AbstractMethodError: com.mysql.jdbc.Connection.isValid(I)Z

2014-07-13 02:13:35 3.9k 阅读 AI 写同款 · GEO 优化AI 选题数据监测一键分发 ›

Advanced Installer打包避坑指南：如何正确配置64位系统下的Java环境与注册表条件（以15.7版本为例）本文详细解析了使用Advanced Installer 15.7版本在64位系统下打包Java应用时的常见问题与解决方案。重点介绍了注册表重定向机制、Java环境检测的双保险策略、环境变量设置的隐藏坑以及权限管理的进阶技巧，帮助开发者避免安装包在用户机器上无法运行的幽灵问题。阅读详情

java.lang.AbstractMethodError: com.mysql.jdbc.Connection.isValid(I)Z
at org.apache.commons.dbcp2.DelegatingConnection.isValid(DelegatingConnection.java:914)
at org.apache.commons.dbcp2.PoolableConnection.validate(PoolableConnection.java:227)
at org.apache.commons.dbcp2.PoolableConnectionFactory.validateConnection(PoolableConnectionFactory.java:303)
at org.apache.commons.dbcp2.BasicDataSource.validateConnectionFactory(BasicDataSource.java:2165)
at org.apache.commons.dbcp2.BasicDataSource.createPoolableConnectionFactory(BasicDataSource.java:2148)
at org.apache.commons.dbcp2.BasicDataSource.createDataSource(BasicDataSource.java:1903)
at org.apache.commons.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1413)
at com.tsc.util.JDBCTools.getConnection(JDBCTools.java:65)
at test.TestJDBCTools.testJDBCTools(TestJDBCTools.java:13)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
at org.junit.runners.BlockJUnit4ClassRunner.runNotIgnored(BlockJUnit4ClassRunner.java:79)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:71)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:49)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)
at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)

private static final String configFile = "dbcp.properties";
private static DataSource dataSource;

static {
Properties prop = new Properties();
try {
prop.load(JDBCTools.class.getClassLoader()
.getResourceAsStream(configFile));
dataSource = BasicDataSourceFactory.createDataSource(prop);
} catch (Exception e) {
e.printStackTrace();
log.error("数据库连接池初始化失败" + e.getMessage());
}
}

public JDBCTools() {
}

/**
* 设置事务提交
* @param connection
*/
public static void commit(Connection connection){
if(connection != null){
try {
connection.commit();
} catch (SQLException e) {
log.error("设置事务提交异常" + e.getMessage());
}
}
}

/**
* 使用dbcp数据库连接池获取数据库连接
*
* @return Connection
*/
public static final Connection getConnection() {
Connection conn = null;
try {
conn = dataSource.getConnection();
} catch (SQLException e) {
e.printStackTrace();
log.error("获取数据库连接失败" + e.getMessage());
}
return conn;
}

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