执行到while(rs2.next()){ 的时候就报Exception in thread "main" java.sql.SQLException: Statement has already closed. 中间没有关闭Statement , 尝试修改代码顺序如下: ResultSet rs = stmt.executeQuery("select * from xxx"); int countWb =0; while (rs.next()) { countWb = rs.getRow(); } Re...
As I understand it, even if one thread closes the connection, a call to executeQuery() should either fail early or complete. It appears to me that is is not the case in these rare instances where the exception is thrown only when the results have already been processed successfully. As Ke...
Removes the specified StatementEventListener from the list of components that will be notified when the driver detects that a PreparedStatement has been closed or is invalid. C# 複製 [Android.Runtime.Register("removeStatementEventListener", "(Ljavax/sql/StatementEventListener;)V", "GetRemove...
, any catch or finally block is run after the resources declared have been closed. public static void...} 对比Python with语句来看: with resource: statement 捕获异常语句: try { statement; } 对于try-with-resources...from the try-with-resources statement, then those exceptions...
Whenever a rectification or new events must be sent for a movement that has already been closed, the movement must be reopened by sending event R-2098, “Reopening of periodic event.” After a movement is successfully reopened, you must send a n...
Whenever a rectification or new events must be sent for a movement that has already been closed, the movement must be reopened by sending event R-2098, “Reopening of periodic event.” After a movement is successfully reopened, you must send a n...
Project already has a reference to assembly <assemblyidentity> Project has been closed Project-level conditional compilation constant '<constantname>' is not valid: <error> Project-level conditional compilation constant is not valid: <error> Properties cannot be declared '<modifiername>' Prop...
In a try-with-resources statement, any catch or finally block is run after the resources declared have been closed. Suppressed Exceptions An exception can be thrown from the block of code associated with the try-with-resources statement. In the example writeToFileZipFileContents, an exception can...
aCaused by: java.sql.SQLException: Couldn't perform the operation prepareStatement: You can't perform any operations on this connection. It has been automatically closed by Proxool for some reason (see logs). 导致: java.sql.SQLException : 不能执行操作prepareStatement : 您在这连接不可能进行任何...