itil root cause analysis

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The root node of the XML file Layout_width or Layout_height set no effect on the cause analysis

found, but also know the reason why, why good? A conceptual question to understand before the analysis: layout_width not width! Layout_height is not height!. that is to say that these two properties are set not the width and height of the view, layout is the meaning of layouts, that is, the two properties are view in the layout and height ! Since it is a layout, there must be a place where the view is placed, that is, there is a medium to place the

Root cause and analysis of page garbled text _ PHP Tutorial

Root cause and analysis of page garbled text. First, close the PHP configuration file php. default_charset in ini: 1. charset is not specified on the page, defaultcharstgbk is configured in Apache, and the page file encoding is UTF-8 result: Garbled. use wiresh to first close the PHP configuration file php. default_charset in ini: 1. charset is not specified on

Root Cause and solution of MSSQL deadlock, root cause of mssql deadlock

Root Cause and solution of MSSQL deadlock, root cause of mssql deadlock 1. What is deadlock? A deadlock occurs when two or more processes compete for resources during execution. Without external force, they cannot be pushed forward. at this time, it is said that the system is in a deadlock state or the system has a dea

Java POI read Excel package should contain a content type part [M1.13]] with root cause exception problem resolution

parsing:APR 1:29:08 PM org.apache.catalina.core.StandardWrapperValve invokeSEVERE:Servlet.service () for Servlet [ Appservlet] In the context with the path [/bsettle] threw exception [Request processing failed; nested exception is Org.apache.poi . POIXMLException:org.apache.poi.openxml4j.exceptions.InvalidFormatException:Package should contain a content type Part [M1.13]] with root causeorg.apache.poi.openxml4j.exceptions.InvalidFormatException:Packa

How to find the root cause of the error from a problem encountered during network crawling

A Web Crawler error occurred a while ago. As shown in the Web Crawler log, almost all content of this website set has not been crawled. Later, analysis showed that this was a Sharepoint bug ...... Of course, it is not a major bug, and it is easy to avoid it after you know it. I also posted this bug on Weibo. Here I will mainly introduce how to find out the specific cause from a mistake, which can also be us

Ways to find the root cause of exc_bad_access problems

Original address: It is not scary to write programs that encounter bugs, most of which are not difficult to find because of simple Log or code analysis. However, when encountering exc_bad_access problems in objective-c programming, it is difficult to find the problem by simple and conventional means. This article gives you a common way to find the root

Help DBAs identify the root cause of the problem through several simple steps in DB2

Performance problems may be difficult to diagnose and fix. Problems often occur in the most unexpected situations. In general, problems may evolve and sometimes lead to database application interruptions. From the DBA's perspective, it is important to be aware of taking proactive measures to solve the problem before the performance begins to cause damage to the business. Performance problems may be difficult to diagnose and fix. Problems often occur i

Real estate sales understand the root cause of unbilling, so that you can break through the bottleneck and crack the signatures!

efficiency. A tired body may cause inattention, worse response, no eye, poor color, yawning, and bad breath. These will be left unrespected in the eyes of customers, very poor impression. Therefore, while paying attention to your performance, you should also pay more attention to your health conditions, cultivate good habits, and take full rest. If you spend 24 hours a day to make money, you need to spend money. How can you improve your time

Vefx: A new stop loss system that eliminates slippage from the root cause

to set up professional analysis institutions to monitor market data trends in real time to explore the appropriate operating time, master the International mainstream financial analysis and evaluation of the consultation report channels to grasp the first-hand information to help customers to win the market, senior CFA registered analyst team to provide comprehensive real-time guidance for customer operati

Root cause and solution of MSSQL deadlock _ MySQL

, therefore, it does not have the conditions for generating another deadlock .) 4. how to prevent deadlocks To prevent deadlocks, we must follow the following principles during the development process: 1. avoid concurrent execution of statements involving data modification. 2. Each transaction is required to lock all the data to be used at a time, otherwise execution is not allowed. 3. define a locking order in advance. all transactions must block the data in this order. For example, the update

MySQL connect to server at localhost failed error cause analysis

MySQL tutorial connect to server at ' localhost ' failed error cause analysis /usr/local/webserver/mysql/bin/mysqladmin:connect to server at ' localhost ' failedError: ' Access denied for user ' admin ' localhost ' (using Password:yes) ' According to the instructions, is the user name and password is incorrect, if you remember your username and password directly reset password user name on the OK. If you

Cause analysis of excessive number of Java threads

Deer pill will not be a polynomial source: reprint please contact me first.First, the problem descriptionPre-array We because of the B machine room fault, will all the traffic cut to a room, after the push + natural peak, a room all the servers have Java threads approaching 1000 (1000 is the set max value), at night 7 o'clock more observation, Java thread number slightly decreased, but still have 900 +, and at this point, the TPS for a single server is maintained

[Turn] A user SQL slow query analysis, cause and optimization

not passed in the string format. In this case, two of them are strings. Therefore, the character set is related. Returning to the two table structure, it is found that the declaration of the S field is different from the COLLATE Utf8_bin-this is the root cause of this case: the S value of a table is Utf8_bin, the optimizer considers that the type differs and cannot be used directly on index B. ix_s filter.

Cause Analysis of vue-cli failure to access the local service LAN

to an ip address. At the beginning of this period, I thought it was the reason for proxy. I turned off the computer proxy. Still not good, and then changed to access, found that can access, with access can also be, that is, the ip is not good. Then there will be a variety of google and Baidu. Other people's methods-They tried a lot and found that they were ineffective (a little skeptical about life, maybe my computer problems), but the result is here, ip is not accessible !!!!

Transactiontoolargeexception cause Analysis

of the constructor,inside the fragment constructor, the ArrayList is stored as parcelable in the bundle, which is read from the bundle when the fragment is initialized, and is thrown when the amount of data is large. Transactiontoolargeexception.6) Solution: pass ArrayList to fragment constructor when building fragment instance, no need to read from bundle when fragment is loaded, avoid transactiontoolargeexception, and improve the efficiency of program execution. 7) SummaryTransactiontoolarge

Mysql floating point calculation error cause analysis and solution

In mysql, if we use the floating point type for result calculation, we will find that the calculation result is different from the actual result. why? This article introduces the cause analysis and solution of mysql floating point calculation error. For more information about the coders, see. When performing financial and other numeric operations, use the decimal type instead of the float and double types!

Ora-00494/aiowait timeout cause instance crashed. (SYSTEM dump analysis case)

termination failed to kill one or more processes Trace file analysis (trace too long extract key parts):SERVICE NAME: (sys$background) 2015-10-21 03:22:11.264Session ID: (1646.3) 2015-10-21 03:22:11.2642015-10-21 03:22:11.264Unable to get Enqueue on resource cf-00000000-00000000 (GES mode req=3 held=6)Possible local blocker ospid=367 sid=1648 sser=1 time_held=37 secs (GES mode req=6 held=4)Dump local blocker:initiate state dump for KILL blockerPossi

Cause Analysis of slow database operation

waiting events, you can eliminate database issues. If there is a waiting time, you can find the root cause of these events based on different waiting events.For example, latch free and other wait events related to SQL parse, OS performance is high CPU usageDB file scattered read and other wait times related to SQL disk read. The OS performance is that iostat can see an increase in disk read/write volumes.S

Cause analysis of "lost" events when using Ring_buffer target for SQL Server extended events and Ring_buffer target potential issues

, and even to view the information in the System_health event session, I use File_target,ui to read and handle events without manually performing any XQuery. Observe the use of memory It is unheard of for me to be very careful about how to configure Ring_buffer targets on a production server.Two weeks ago, Andy Galbraith encountered an error with all the connections reported to the 701 system with low memory,After analysis, Andy found that in memory 1

The cause analysis of the company's website malfunction

The cause analysis of the company's website malfunction1.17:20 minutes or so some pages appear MySQL error.650) this.width=650; "src=" "title=" 1.png " alt= "Wkiom1nyt4ngn_lvaacxlvsrvve512.jpg"/>this bandwidth situation. 2. traffic monitoring shows that consumes a lot of bandwidth, resulting in full bandwidth. Block the IP

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