what is the difference between logger.info and logger.error?
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When you have enabled the debug or any higher level in your configuration. It depends on which level you selected in your log4j configuration file. If your level is "info" (by default), logger. ... However, if your level is "debug", it will.
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In mysql we need to see often 3 logs which are mostly needed during any project development. The Error Log . It contains information about errors that occur while the server is running (also server start and stop) The General Query Log . This is a general record of what mysqld is doing (connect, disconnect, queries)
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An Error "indicates serious problems that a reasonable application should not try to catch." while. An Exception "indicates conditions that a reasonable application might want to catch." Error along with RuntimeException & their subclasses are unchecked exceptions. All other Exception classes are checked exceptions.
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Which of the following is not a standard exception in Python? Explanation: NameError, IOError and ValueError are standard exceptions in Python whereas Assignment error is not a standard exception in Python. 12. Syntax errors are also known as parsing errors.
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An error is that part of the system state that may cause a subsequent failure: a failure occurs when an error reaches the service interface and alters the service. A fault is the adjudged or hypothesized cause of an error.
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All JavaScript error objects are descendants of the Error object, or an inherited object therein. ... The Null or Undefined Has No Properties error is a specific type of TypeError object.
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An exception caused by the incorrect use of a pre-defined syntax. Syntax errors are detected while compiling or parsing source code. For example, if you leave off a closing brace ( } ) when defining a JavaScript function, you trigger a syntax error.
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A runtime error is a program error that occurs while the program is running. The term is often used in contrast to other types of program errors, such as syntax errors and compile time errors. ... Another type of runtime error is a memory leak.
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The error log is a central file where all important actions and error messages related to the SQL Server are recorded. ... In the Microsoft SQL Server Management Studio, expand the SQL Server. In the Object Explorer, expand Management → SQL Server Logs.
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What is the difference between a data entry error and a data retrieval error? A data-entry error is an error resulting from incorrect data being entered into a com- puter system. A data-retrieval error is an error resulting from the output of a computer system being misunderstood.
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A logic error (or logical error) is a mistake in a program's source code that results in incorrect or unexpected behavior. It is a type of runtime error that may simply produce the wrong output or may cause a program to crash while running. Many different types of programming mistakes can cause logic errors.
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Explanation: This error is an intermediate status code that usually precedes another status code. It indicates the following: either the bpdbm process (on UNIX) or the NetBackup Database Manager service (on Windows) or the process that communicates with it has received unexpected information.
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A failure means your test ran correctly, and identified a defect in your code. An error could mean a bug in your code, but one that you weren't even testing for. It could also mean that the bug is in the test itself. In short, a failure means you need to rewrite the code that is being tested.
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The term error is used to refer the difference between actual output of the software and the current output. Fault is a condition that causes the software to fail to perform its required function.
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A 'mistake' is usually accidental, you know it is wrong. Otherwise, an 'error' is usually made due to the lack of knowledge and is more formal than 'mistake'. "Machines never make mistakes, but rather they make errors. People can make both."
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2 Answers. Both Error and RuntimeException are unchecked exceptions, meaning that it indicate a flaw with the program, and usually should not be caught. ... Therefore subclassing an Error is bad practice because an error is usually not something that could be fixed by your program at runtime.
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A syntactical error in Java code is one in which the language you use to create your code is incorrect. For example, if you try to create an if statement that doesn't include the condition in parentheses, even when the condition is present on the same line as the if statement, that's a syntax error.