exception c0000005

The project has been abnormal for some time, resulting in the inability to log on to the system, the database cannot connectThe exception information is as follows:Java.sql.SQLException:Io Exception: Connection reset by Peer:socket write error at ORACLE.JDBC.DBACCESS.DBERROR.THROWSQL Exception (Dberror.java:134) at Oracle.jdbc.dbaccess.DBError.throwSqlException (

The JVM (abbreviated for Java virtual machines) uses the method call stack to track a series of method invocation procedures. The stack holds the local information for each calling method. When a new method is invoked, the JVM puts the stack structure that describes the method on top of the stack, and the method at the top of the stack is the method being executed. If an exception is thrown during the execution of the method, the JVM must find a catc

In the service method, if we do a transaction by throwing an exception (in fact there is a better way: Spring transaction configuration), then our service method needs to throw an exception, but there is a problem that has not been taken into account when testing the interface today, Problem: When the inspection failed, we set a key to the map message and returned the map, but did not throw an

Java Exception Handling and java Exception Handling Exceptions are some errors in the program, but not all errors are exceptions, and sometimes they can be avoided. For example, if your code is missing a semicolon, the running result indicates that the error occurs in java. lang. error; if you use System. out. println (11/0), so you do the divisor with 0, will throw java. lang. arithmeticException. There ar

Introduction to exceptions and errors in java learning, exception capturing, exception throwing, custom exceptions, finally keywords (small records in java learning), and finally keywords Introduction to exceptions and errors in java learning, exception capturing, exception throwing, custom exceptions, and finally keyw

Exception classDescribe SystemException the basic class of exceptions that other users can handle the arguments of the ArgumentException method are illegal ArgumentNullException an empty argument is passed to the method, and the method cannot accept the argument ArgumentOutOfRangeException parameter value out of range ArithmeticException occurs arithmetic overflow or underflow ArrayTypeMismatchException An attempt was made to store an object of t

Phpexcel's Exception ' Exception ' with message ' The filename ' isn't recognised as an OLE file problem resolution PHP uses Phpexcel to parse the Excel document during the process of appearing exception ' exception ' with message ' the filename '. /phpernote.com/user.xls is not recognised as a OLE file ' in D:\phpern

Write System logs in C language in Linux __________________________________________________________________________________________________ Author: jobo Time: 2011/11/24 Emaile: jibo.tiger@gmail.com Statement: I am not opposed to reprinting my articles by other people and groups, but please indicate the source, 3q. If you have any questions about this article Leave a message in the blog or send an emaile to contact me (you cannot reply in time. The time is limited. Please forgive me) ___________

How to make our exception handling flexible enough-we can create an exception class ourselves (common operations for all exceptions)In the user management system, the specific operation is as follows:1. Create a Userexception class2, find superclass, click Browse, select Java.lang.Exception, complete the creation3, open Userexception.java, you can see Userexception inheritance and

Python_Exception Exception Handling and python exception handling Exception Handling:In Python, class definitions can be passed as objects. In this example, Class B inherits the Exception class. in a loop, a raise Exception class object B is caught by class t, and the

Spring MVC custom unified exception handling class, and output error logs on the console, mvc Exception Handling After SimpleMappingExceptionResolver is used for unified Exception Handling (refer to Spring MVC's unified exception handling method), log4j cannot output error logs in the console when exceptions occur. The

PHP$a=NULL;//did not receive a dealif($a= = 0) { Throw NewDbexception (' Val is empty '); } Exit(); //receive exceptions and handleTry { if($a= = 0) { Throw NewDbexception (' Val is empty '); }} Catch(dbexception$e) { Echo $e->showmessage ();//output exception information. } //record exceptions, define different types of exception handlingclassDbexceptionextends

Common PHP function blocks _ error and exception handling-php (32) and exception handling 32. Common PHP function blocks _ error and exception handling-php (32 ), exception handling 32 I. Error and exception handling 1.1 error types and basic debugging methods PHP common fun

Python provides two very important features to handle the exceptions and errors that Python programs run in. You can use this feature to debug a python program. 1. Exception handling: This site Python tutorial will be described in detail.2. Assertion (Assertions): This site Python tutorial will be described in detail. Python Standard exception Exception