Recent projects encountered a problem in the development environment without the problem of code, in the production environment will report the following error:Critical: A Web application registered the JBDC driver [Oracle.jdbc.OracleDriver] but failed to unregister it when the Web appli Cation was stopped.topreventamemoryleak,thejdbcdriverhasbeenforcibly unregistered. at first thought that the database account password error, or database link is not
Today I encountered this error: has leaked intentreceiver ... that is originally registerd here. Is you missing a call to Unregisterreceiver:The Chinese meaning of this error is that it has overflowed the intentreceiver, did you forget to call the method of canceling the broadcast?Reason for the problem:The reason is overflow intentreceiver, because there is receiver has not been unregister after the register, repeated several times after causing inte
, Profileactivity.class); StartActivity (Intent); }}Finally, let's see how profileactivity receives the data. Public class profileactivity extends Activity { @Override protected void onCreate(Bundle savedinstancestate) {Super. OnCreate (Savedinstancestate); Setcontentview (R.layout.activity_profile);//Register in sticky formEventbus.getdefault (). Registersticky ( This); }@Subscriber Private void Receiveuser(User info) {//Implement your logic here, info is the user object passed ove
Environment: A tomcat, a project configured with multiple data sources, the following error is reported at startup:Severe:the Web Application [/qdp-resource-Job] registered the JDBC driver [Com.alibaba.druid.proxy.DruidDriver] but failed to unregister it when the Web application Was stopped. To prevent a memory leak, the JDBC Driver have been forcibly unregistered. the3:23:27 PM org.apache.catalina.loader.WebappClassLoader clearreferencesjdbcsevere:t
Has leaked IntentReceiver... that was originally registerd here. Are you missing a call to unregister, intentreceiver
Today I encountered this error: has leaked IntentReceiver... that was originally registerd here. Are you missing a call to unregisterReceiver
:
The Chinese meaning of this error is that IntentReceiver has exceeded. Have you forgotten to call the method for canceling broadcast?
Cause:
The reason for IntentReceiver overflow is that
A few months ago, I found that the RealVNC Client and server short transfer file function was invalid, and no messages were sent even after I searched the internet. Recently, I changed the mobile phone of Windows Mobile system. After installing ActiveSync, I found that files on my mobile phone cannot be copied.
Go to your computer and search for a solution on the Internet, that is, reregister ole32.dll and execute it on the command line.
Run the following command:
Regsvr32 ole32.dll solves th
Syntax:
Select
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[Second pivot column] As
...
[Last pivot column] As
From
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As
Bytes
(
For
[
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Code:
Create Table tb2 (serial_no int, testname varchar (10 ))
Insert into tb2Select 1, 'normal' Union allSelect 1, 'normal' Union allSelect 3, 'project' Union allSelect 2, 'project'
Select * from (select * From tb2) TMP evaluate (count (serial_no) for testname in (normal, Project) TD
I th
During the summer vacation, I made a project using SSH + mysql5.0 + atat5.5.After deployment to the server (Tomcat is 6.0.32), the test runs normally. The next day, I found that I could not log on. I checked the system and found no problems. I restarted Tomcat and recovered to normal again.Very strange, so I checked Tomcat logs and found the following problems:
2011-9-1 0:15:11 org. Apache. Catalina. startup. Catalina startInformation: server startup in 35866 MS2011-9-1 2:05:43 org. Apache. Coyo
Serious: the Web application [/testweb] registered the JDBC driver [Oracle.jdbc.driver.OracleDriver] but failed to unregister I t when the Web application is stopped. To prevent a memory leak, the JDBC Driver has been, forcibly.
Google Answers
Since version 6.0.24, Tomcat ships with a memory leak detection feature, which in turn can leads to this kind of warning me Ssages when there's a JDBC 4.0 compatible driver in the WebApp ' S/w
How to log out of Win10 and unregister win10
When we change the system account or other settings on the computer, we often need to cancel the system and then make the changes take effect, just like in other versions of the system, the Win10 system also has several cancellation methods. Before you log out, you must save all the files. Next I will share with you the cancellation method of the Win10 system.
Move the mouse cursor to the Start menu
INTRODUCTION
This article describes how to register or unregister ActiveX controls in Microsoft Office Access 2007.
More information
In earlier versions of Access than Access 2007, you can register or undo ActiveX controls by clicking on the Tools menu. Access 2007, this method is not available in. If you want to register or undo an ActiveX control, use one of the following methods. Method 1: Use the VisualBasic code to register or undo the ActiveX
Design and Manufacturing Process Analysis of iPhone 4 to iPhone 6, iPhone 4iphone6
Here I will explain some of my views on the design and manufacturing processes of these mobile phones.
These five models have three appearances:
Sandwich Design for iPhone 4.
Three-Stage aluminum alloy Integrated forming of
Apple deliberately slowed down the old iPhone to force consumers to buy a new iPhone ?, Next-generation iphone
First, let's get a group of images from Google Trends. (Google Trends records the number of related keyword searches in a certain period of time .)
If you do data, you should feel something. Especially for the first image, its law seems to be more o
Like 6 s models, iPhone 7 and iPhone 7 Plus have different screen sizes and cameras. Let's first take a look at the parameter comparison between the two mobile phones. Differences between iPhone 7 and iPhone 7 Plus Comparison model
An error occurred while calculating the label width (height) on iPhone 5s and iPhone 6 on ios, iPhone 5siphone6
When using Label today, we need to calculate the UILabel height. We found that the height displayed on 4, 4s is normal, and an error is displayed on iPhone 5s and iPhone
AbstractThere is also a virus in the iPhone, and there are indeed some places where there are rivers and lakes, and a virus exists in many operating systems.
IntroductionSelf-http://tw.news.yahoo.com/article/url/d/a/091109/35/1um2b.html
The first iPhone bot virus exists, and users should be careful when changing their iPhone phones over jailbreak. Because an
Small knitting to teach you a trick.
But if you want to share photos with friends and relatives who aren't using iOS devices, it's true that most users don't have a good idea. In fact, as long as we have the right settings, we can also share photos from our iphone with people who are not using iOS devices.
Using the methods described in this article, you can allow non-iOS users to view your shared photo streams, and the entire Setup method i
How can I develop or migrate an iphone to adapt to the iphone 5 screen ?, Migrate iphone
The new iPhone 6 uses a new aspect ratio and a new resolution (640x1136 pixels ).
How to Adapt existing apps to the screen size
How can an app adapt to different screen resolutions? Don't adjust it every time?
1. First, we need to give the iphone a lock-screen password, preferably 6 or more, to ensure that the iphone even if it is lost, no one can easily see our data.
2. Access to the Settings-control center, the control center is set to lock the screen can not be accessed. When the IPhone is lost, no one else can do anything through the control center.
Proposal one: Carry on icloud backup, make sure the new machine use data complete!
First, in order to avoid having a new computer after the software related data loss, we must do a good job of icloud backup. You can set up a backup project in your ICloud account, because the average user only 5GB capacity, if all the data into the ICloud, there is not enough space. So you have to choose which software needs to be backed up.
Method: Set up--icloud--storage and backup--manage storage
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