Tag Archives: Failed

Idea failed to start: failed to create JVM

The reason is that the configuration idea memory setting is too large, and it is invalid to modify the idea64.exe.vmoptions in the installation directory

The solution is to open the C disk, user, user name, intellijidea, 018.3, config, idea64.exe, vmoptions file and modify it

Invalid idea to modify the file in the installation directory

The ‘MySQL daemon failed to start’ solution appears

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Ten million methods, backup the first!

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running: Service mysqld start the following prompt will always appear when restarting the database:
MySQL daemon failed to start.
starting mysqld: [failed]
prompt. If you directly enter MySQL – root – P to log in, you will get an error [MySQL] error 2002 (HY000): can’t connect to local MySQL server through socket ‘/ var/lib/MySQL/MySQL. Socket’ (2). In short, MySQL server always fails to start. There are many solutions available on the Internet, which have no effect. In the end, the solution is as follows

RM – RF/var/lib/MySQL/* involves deleting and renaming the backup as follows MV/var/lib/MySQL// var/lib/MySQL_ Bak/ RM/var/lock/subsys/mysqld involves deleting and renaming the backup as follows MV/var/lock/subsys/mysqld/var/lock/subsys/mysqld_ bakkillall mysqld

Rerun: Service mysqld start
found to work normally

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Note: when it comes to deletion, we should carefully consider the operation!

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Server failed during MySQL installation or re installation

Today, an error occurred when re installing MySQL service,
the action ‘install’ for product ‘MySQL server 5.7.19’ failed

1: Action 14:02:10: INSTALL. 
1: 1: MySQL Server 5.7 2: {EC09D203-422B-4C9F-B623-230EF57EE709} 
1: Action 14:02:10: FindRelatedProducts. Searching for related applications
1: Action 14:02:10: AppSearch. Searching for installed applications
1: Action 14:02:10: LaunchConditions. Evaluating launch conditions
1: This application requires Visual Studio 2013 Redistributable. Please install the Redistributable then run this installer again.
1: 1: MySQL Server 5.7 2: {EC09D203-422B-4C9F-B623-230EF57EE709} 3: 3 
1: The action 'Install' for product 'MySQL Server 5.7.19' failed.

That is, the database server was not installed successfully
at first, I thought that the previous MySQL was not unloaded completely. I also found many ways on the Internet, but they couldn’t work. Later, I tried many times and found a way in a post.

It’s Keng, it’s Si, it’s Le
you need to upgrade a plug-in, Visual C + + 2013 and Visual C + + redistributable packages
and use 32-bit Visual C + + redistributable packages for visual studio 2013!!! Note that it’s 32-bit. Even if your computer is 64 bit

Installation website: https://www.microsoft.com/zh-cn/download/details.aspx?id=40784
Click download and select
vcredist_ X86.exe-6.2 MB
download and install
after installation, the database server can be installed successfully.


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Git: How to Solve Authentication failed

I have a little problem today. Come here to share and record:

To solve the problem of authentication failed for ‘http:// * * *. Git’ in the pull project times, let’s share two solutions:

In the case of GIT permission and account password, the reason for this problem is the wrong user name and password

Solution 1:
reset the user name and password as follows:

Set Username
git config --global user.name test1
Set Password
git config --global user.password 123456

After setting, you can use git clone command or git fetch command to pull the project again.

Solution 2:
1) input the following command

git config --system --unset credential.helper

2) Pull the project through git clone or git fetch command, and re-enter the user name and password to successfully pull the project.

The situation and solution of installation failed

    Failure [INSTALL_ PARSE_ FAILED_ MANIFEST_ MALFORMED: Failed parse during installPackageLI: /data/app/vmdl1028823254.tmp/ base.apk (at Binary XML file line #97): Invalid process name A in package com.mmjrxy.school : must have at least one ‘


    2. When installation failed appears on Xiaomi mobile phone

    Solution: just turn off the MIUI optimization option in the developer options, and some computers need to turn on the option of installing app through USB.


    3. “Install” appears_ FAILED_ UPDATE_ INCOMPATIBLE ”

    Solution: maybe it’s because it’s not unloaded completely. You can solve it by the following methods:

    settings-> applications-> mange
    applications-> select the application-> Select “unistall”. Set/data/system/ packages.xml Delete the relevant information of the app in, and then install it again, because after ADB install, it will packages.xml Add the corresponding program information in.


    4. Other situations can be solved by deleting the build folder and then cleaning and building project again.

    (if you have other problems, please add)