如何为c3p0设置getConnection（）超时？
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昨天，AWS的RDS下降了，我们的数据库也下降了。
发生这种情况时，C3P0会尝试建立数据库连接并挂起。我显然希望我的应用程序在这些情况下返回错误页面，而不仅仅是永远等待响应。
代码如下所示：
ComboPooledDataSource db = new ComboPooledDataSource();
...
Connection conn = db.getConnection();
SocketInputStream.socketRead0(FileDescriptor, byte[], int, int, int) line: not available [native method]
SocketInputStream.read(byte[], int, int) line: 129
ReadAheadInputStream.fill(int) line: 113
ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(byte[], int, int) line: 160
ReadAheadInputStream.read(byte[], int, int) line: 188
MysqlIO.readFully(InputStream, byte[], int, int) line: 2428
MysqlIO.reuseAndReadPacket(Buffer, int) line: 2882
MysqlIO.reuseAndReadPacket(Buffer) line: 2871
MysqlIO.checkErrorPacket(int) line: 3414
MysqlIO.sendCommand(int, String, Buffer, boolean, String) line: 1936
MysqlIO.sqlQueryDirect(StatementImpl, String, String, Buffer, int, int, int, boolean, String, Field[]) line: 2060
JDBC4Connection(ConnectionImpl).execSQL(StatementImpl, String, int, Buffer, int, int, boolean, String, Field[], boolean) line: 2542
JDBC4PreparedStatement(PreparedStatement).executeInternal(int, Buffer, boolean, boolean, Field[], boolean) line: 1734
JDBC4PreparedStatement(PreparedStatement).executeQuery() line: 1885
NewProxyPreparedStatement.executeQuery() line: 76
C3P0PooledConnectionPoolManager.initializeAutomaticTestTable(String, DbAuth) line: 799
C3P0PooledConnectionPoolManager.createPooledConnectionPool(DbAuth) line: 696
C3P0PooledConnectionPoolManager.getPool(DbAuth) line: 257
C3P0PooledConnectionPoolManager.getPool() line: 271
ComboPooledDataSource(AbstractPoolBackedDataSource).getNumThreadsAwaitingCheckoutDefaultUser() line: 203
NativeMethodAccessorImpl.invoke0(Method, Object, Object[]) line: not available [native method]
NativeMethodAccessorImpl.invoke(Object, Object[]) line: 39
DelegatingMethodAccessorImpl.invoke(Object, Object[]) line: 25
Method.invoke(Object, Object...) line: 597
BeansUtils.extractAccessiblePropertiesToMap(Map, Object, Collection) line: 359
BeansUtils.appendPropNamesAndValues(StringBuffer, Object, Collection) line: 324
ComboPooledDataSource.toString() line: 539
ComboPooledDataSource(AbstractPoolBackedDataSource).getPoolManager() line: 462
ComboPooledDataSource(AbstractPoolBackedDataSource).getConnection() line: 128
没有找到相关结果
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邵酮
犀耽澄协吻