Author Archives: Robins

Error lnk1123: failure during conversion to coff: problem solving

I encountered this problem today while building a debug version of a program. What’s strange to me is that if it’s a release version it won’t have this problem, debug will. I am very confused, the Internet to find some information, mainly there are several ways:
1. Modify the following configuration
Project Properties
-> Configuration Properties
-> Linker (General)
-> Enable Incremental Linking -> “No (/INCREMENTAL:NO)”
I tried and failed to solve the problem.
2. Rename or delete cvtres.exe file
The default path for the file in VS2010 is: C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\bin\cvtres.exe
With a pinch of salt, rename the CVtres.exe and rebuild it to find it passed. That’s strange.

MySQL 8.0 error 1114 (HY000): the table’sbtest1’is full (Fixed) 


mysql> alter table sbtest1 drop column cityname2;


ERROR 1114 (HY000): The table 'sbtest1' is full
mysql> 
Error reported while doing sysbench stress test.
Reason.
It is known that the size of the memory table exceeds the specified range. After reviewing the default value of both is 16M.
Need to set tmp_table_size greater than or equal tomax_heap_table_size。
mysql> show variables like '%table_size%';
+---------------------+----------+
| Variable_name       | Value    |
+---------------------+----------+
| max_heap_table_size | 16777216 |
| tmp_table_size      | 16777216 |
+---------------------+----------+
2 rows in set (0.00 sec)
Neither of them support dynamic modification, and the modification will not take effect.
[mysqld]
max_heap_table_size           =32M
tmp_table_size                =64M

# /etc/init.d/mysql restart
Shutting down MySQL.. SUCCESS! 
Starting MySQL.. SUCCESS! 
mysql> show variables like '%table_size%';
+---------------------+----------+
| Variable_name       | Value    |
+---------------------+----------+
| max_heap_table_size | 33554432 |
| tmp_table_size      | 67108864 |
+---------------------+----------+
2 rows in set (0.01 sec)
You can see the modified parameters take effect after the reboot.
Then just perform the operation to delete the field.

Syntax error or access violation: 1071 specified key was too long; max key length is 767 bytes

Laravel 5.4 has made a change to the default database character set and now utf8mb4 which includes support for storing emojis. This only affects new applications, and as long as you’re running MySQL V5.7.7 and later, you don’t need to do anything.
For users running MariaDB or older versions of MySQL, you may encounter this error when trying to run the migration:

[Illuminate \ Database \ QueryException] SQLSTATE[42000]: Syntax Error or Access Restriction: 1071 Specified key was too long; Max key length is 767 bytes (SQL: alter table users add uniqueusers_email_unique (email)
[PDOException]
SQLSTATE [42000] : syntax error or access conflict: 1071 specified key is too long; The maximum key length is 767 bytes

As described in the migration guide, to solve this problem, you simply edit the AppServiceProvider. PHP file and set the default string length within the boot method:

use Illuminate\Support\Facades\Schema;

public function boot()
{
    Schema::defaultStringLength(191);
}

After that, everything should work normally.
(PS: The exception explicitly indicates that the maximum length is 767 bytes, and utF8MB4 encodes 4 bytes per character, so 767/4 = 191.75, so set the default length of string to 191 characters. I hope it helps.)

com.netflix.zuul.exception.zuulexception Timeout (Fixed)

Once zuul is deployed, the Ribbon load balancing and Hystix fuse are integrated into Zuul by default. However, all timeout policies are default values, such as the fuse timeout of only 1 second, which is easily triggered. Error message:

com.netflix.zuul.exception.ZuulException: 
	at org.springframework.cloud.netflix.zuul.filters.post.SendErrorFilter.findZuulException(SendErrorFilter.java:114) ~[spring-cloud-netflix-zuul-2.0.1.RELEASE.jar:2.0.1.RELEASE]
	at org.springframework.cloud.netflix.zuul.filters.post.SendErrorFilter.run(SendErrorFilter.java:76) ~[spring-cloud-netflix-zuul-2.0.1.RELEASE.jar:2.0.1.RELEASE]
	at com.netflix.zuul.ZuulFilter.runFilter(ZuulFilter.java:117) [zuul-core-1.3.1.jar:1.3.1]
	at com.netflix.zuul.FilterProcessor.processZuulFilter(FilterProcessor.java:193) [zuul-core-1.3.1.jar:1.3.1]
	at com.netflix.zuul.FilterProcessor.runFilters(FilterProcessor.java:157) [zuul-core-1.3.1.jar:1.3.1]
	at com.netflix.zuul.FilterProcessor.error(FilterProcessor.java:105) [zuul-core-1.3.1.jar:1.3.1]
	at com.netflix.zuul.ZuulRunner.error(ZuulRunner.java:112) [zuul-core-1.3.1.jar:1.3.1]
	at com.netflix.zuul.http.ZuulServlet.error(ZuulServlet.java:145) [zuul-core-1.3.1.jar:1.3.1]
	at com.netflix.zuul.http.ZuulServlet.service(ZuulServlet.java:83) [zuul-core-1.3.1.jar:1.3.1]
	at org.springframework.web.servlet.mvc.ServletWrappingController.handleRequestInternal(ServletWrappingController.java:165) [spring-webmvc-5.0.8.RELEASE.jar:5.0.8.RELEASE]
	at org.springframework.cloud.netflix.zuul.web.ZuulController.handleRequest(ZuulController.java:44) [spring-cloud-netflix-zuul-2.0.1.RELEASE.jar:2.0.1.RELEASE]
	at org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:52) [spring-webmvc-5.0.8.RELEASE.jar:5.0.8.RELEASE]
	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:991) [spring-webmvc-5.0.8.RELEASE.jar:5.0.8.RELEASE]
	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:925) [spring-webmvc-5.0.8.RELEASE.jar:5.0.8.RELEASE]
	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:974) [spring-webmvc-5.0.8.RELEASE.jar:5.0.8.RELEASE]
	at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:866) [spring-webmvc-5.0.8.RELEASE.jar:5.0.8.RELEASE]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:635) [tomcat-embed-core-8.5.32.jar:8.5.32]
	at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:851) [spring-webmvc-5.0.8.RELEASE.jar:5.0.8.RELEASE]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:742) [tomcat-embed-core-8.5.32.jar:8.5.32]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) [tomcat-embed-core-8.5.32.jar:8.5.32]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [tomcat-embed-core-8.5.32.jar:8.5.32]
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) [tomcat-embed-websocket-8.5.32.jar:8.5.32]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [tomcat-embed-core-8.5.32.jar:8.5.32]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [tomcat-embed-core-8.5.32.jar:8.5.32]
	at org.springframework.boot.actuate.web.trace.servlet.HttpTraceFilter.doFilterInternal(HttpTraceFilter.java:90) [spring-boot-actuator-2.0.4.RELEASE.jar:2.0.4.RELEASE]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-5.0.8.RELEASE.jar:5.0.8.RELEASE]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [tomcat-embed-core-8.5.32.jar:8.5.32]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [tomcat-embed-core-8.5.32.jar:8.5.32]
	at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99) [spring-web-5.0.8.RELEASE.jar:5.0.8.RELEASE]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-5.0.8.RELEASE.jar:5.0.8.RELEASE]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [tomcat-embed-core-8.5.32.jar:8.5.32]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [tomcat-embed-core-8.5.32.jar:8.5.32]
	at org.springframework.web.filter.HttpPutFormContentFilter.doFilterInternal(HttpPutFormContentFilter.java:109) [spring-web-5.0.8.RELEASE.jar:5.0.8.RELEASE]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-5.0.8.RELEASE.jar:5.0.8.RELEASE]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [tomcat-embed-core-8.5.32.jar:8.5.32]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [tomcat-embed-core-8.5.32.jar:8.5.32]
	at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:93) [spring-web-5.0.8.RELEASE.jar:5.0.8.RELEASE]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-5.0.8.RELEASE.jar:5.0.8.RELEASE]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [tomcat-embed-core-8.5.32.jar:8.5.32]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [tomcat-embed-core-8.5.32.jar:8.5.32]
	at org.springframework.boot.actuate.metrics.web.servlet.WebMvcMetricsFilter.filterAndRecordMetrics(WebMvcMetricsFilter.java:155) [spring-boot-actuator-2.0.4.RELEASE.jar:2.0.4.RELEASE]
	at org.springframework.boot.actuate.metrics.web.servlet.WebMvcMetricsFilter.filterAndRecordMetrics(WebMvcMetricsFilter.java:123) [spring-boot-actuator-2.0.4.RELEASE.jar:2.0.4.RELEASE]
	at org.springframework.boot.actuate.metrics.web.servlet.WebMvcMetricsFilter.doFilterInternal(WebMvcMetricsFilter.java:108) [spring-boot-actuator-2.0.4.RELEASE.jar:2.0.4.RELEASE]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-5.0.8.RELEASE.jar:5.0.8.RELEASE]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [tomcat-embed-core-8.5.32.jar:8.5.32]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [tomcat-embed-core-8.5.32.jar:8.5.32]
	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200) [spring-web-5.0.8.RELEASE.jar:5.0.8.RELEASE]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-5.0.8.RELEASE.jar:5.0.8.RELEASE]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [tomcat-embed-core-8.5.32.jar:8.5.32]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [tomcat-embed-core-8.5.32.jar:8.5.32]
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198) [tomcat-embed-core-8.5.32.jar:8.5.32]
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) [tomcat-embed-core-8.5.32.jar:8.5.32]
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493) [tomcat-embed-core-8.5.32.jar:8.5.32]
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) [tomcat-embed-core-8.5.32.jar:8.5.32]
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) [tomcat-embed-core-8.5.32.jar:8.5.32]
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) [tomcat-embed-core-8.5.32.jar:8.5.32]
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) [tomcat-embed-core-8.5.32.jar:8.5.32]
	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:800) [tomcat-embed-core-8.5.32.jar:8.5.32]
	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) [tomcat-embed-core-8.5.32.jar:8.5.32]
	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:800) [tomcat-embed-core-8.5.32.jar:8.5.32]
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1471) [tomcat-embed-core-8.5.32.jar:8.5.32]
	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) [tomcat-embed-core-8.5.32.jar:8.5.32]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [na:1.8.0_181]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [na:1.8.0_181]
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-embed-core-8.5.32.jar:8.5.32]
	at java.lang.Thread.run(Thread.java:748) [na:1.8.0_181]

Configure under Application.yml

# com.netflix.zuul.exception.zuulexception timeout Timeout ERROR
  host:
    connect-timeout-millis: 10000
    socket-timeout-millis: 60000

hystrix:
  command:
    default:
      execution:
        isolation:
          thread:
            timeoutInMilliseconds: 60000

application.properties

zuul.host.socket-timeout-millis=60000
zuul.host.connect-timeout-millis=10000
hystrix.command.default.execution.isolation.thread.timeoutInMilliseconds=60000

Error 2 error c2491: XX: definition of dllimport static data member is not allowed

Vs is used to make a DLL library today. Because of the singleton mode, a static pointer is declared in the.h file and the variable is defined in the corresponding CPP file. There was an error when exporting:
Error 2Error C2491: “SDK_functions::pinstance_” : definition of dllimport static data member is not allowed
This error occurred because I changed the export macro vs automatically created for me:

// The following ifdef blocks are a great way to make exporting from a DLL easier.
// Standard method for macros. All files in this DLL are defined on the command line using CYAPI_2013_EXPORTS
// Symbolic compilation. When using this DLL's
// This symbol should not be defined on any other project. In this way, any other item in the source file that contains this file will be
// The CYAPI_2013_API function is treated as imported from a DLL, which will be defined with this macro.
// Symbols are considered to be exported.
#ifdef CYAPI_EXPORTS
#define CYAPI_API __declspec(dllexport)
#else
#define CYAPI_API __declspec(dllimport)
#endif

As you can see, I manually dropped the 2013 characters, leaving the macro undefined by CYAPI_EXPORTS, and using succspec (DLlimport). Per declspec(DLlexport) is to be exported, for the person I have to write the export library with this; Succinct/DECLspec (DLlimport) is the import to be used by the people using the library.

In MSDN it says: you can compile the code correctly without using succdeclspec (DLlimport), but using succdeclspec (DLlimport) allows the compiler to produce better code. The compiler generates better code because it can determine whether a function exists in a DLL, which allows the compiler to generate code that skips the indirection level, which would normally occur in function calls across DLL boundaries. However, you must use succspec (DLlimport) to import the variables used in the DLL.
If someone wants to use the static variables in my library, they have to use succdeclspec (DLlimport) to import the variables in the DLL, so they have to export the variable using succdeclspec (DLlexport). For general variables, you don’t have to.

IE8: this operation cannot be completed due to error 80020101


The introduction

Small make up spit bad a few words, today was originally very relaxed, open the list of bugs in the morning, unexpectedly on the 5 bugs, small make up thought it would not be easy to spend good

Is it your day?But who knows in the afternoon, suddenly test that the ledger page directly pop-up error page, simply can not enter ah, small make up immediately into the test

Environment once, no problem! The test said I use IE8, small make up at that time there was no temper, so an afternoon on this IE8 above, do not say is

Tears, here come some dry goods;

Type the above error in the console below IE8: This operation could not be completed due to an error 80020101 < body data-ui-view> <

/body> . There are no errors under Google, firefox, etc

At the beginning, I always thought my script was wrong, so I kept debugging my script. The result is that I do not solve the problem, and then I do

Step into the require.JS source file to track the error, and while monitoring caught a Chinese comment on the page, which made my dead heart burn again

Up, small make up to find the corresponding page will be all above the comment after the elimination of all, the problem was solved. In conclusion, I made a comment in the afternoon

The problem.

Share some ways to solve this problem:

1. Chinese comments on the page (all comments can be eliminated)

2. Js script format:

1) Whether the parentheses correspond one to one
2), if there is any extra punctuation match, for example, the last comma of json object is redundant: {a:’1′, b:’2′,}
3). Comments in JS scripts

3, JS script load order problem

4. Console problem,

The above is still compatible with IE8 helplessness of the painful program ape to provide a few solutions, hoping to save some time for everyone!!
  

Error 1406 (22001) in MySQL: data too long for column (Fixed)

In mysql, ERROR 1406 (22001):data too long for column
: DEFAULT CHARSET=utf8 is added at the end of the created table


drop table if exists sys_user;
create table sys_user (
  user_id           bigint(20)      not null auto_increment    comment 'User ID',
  dept_id           bigint(20)      default null comment       'Department ID',
  login_name        varchar(30)      not null comment         'login account',
  user_name       varchar(30)       not null comment       'user nickname',
  user_type       varchar(2)       default '00' comment       'user type (00 system user)',
  email       varchar(50)       default '' comment       'user email',
  phonenumber varchar(11)       default '' comment       'phone number',
  sex       char(1)       default '0' comment       'User gender (0 male 1 female 2 unknown)',
  avatar       varchar(100)       default '' comment       'avatar path',
  password       varchar(50)       default '' comment       'password',
  salt       varchar(20)       default '' comment       'salt encryption',
  status       char(1)       default '0' comment       'Account status (0 normal 1 disabled)',
  del_flag       char(1) default '0' comment 'Delete flag (0 means present 2 means deleted)',
  login_ip       varchar(50)       default '' comment 'last login ip',   login_date datetime comment 'last login',
  create_by       varchar(64)       default '' comment 'creator',   create_time datetime comment 'create time',
  update_by       varchar(64)       default '' comment 'updater',  update_time datetime comment 'update time',
  comment       varchar(500)       default null comment 'Remarks', primary key (user_id)
) engine=innodb auto_increment=100 comment = 'user information table' DEFAULT CHARSET=utf8;

insert into sys_user values(1,  103, 'admin', 'admin', '00', '[email protected]', '15888888888', '1', '', '123456', '111111', '0', '0', '127.0.0.1', '2018-03-16 11-33-00', 'admin', '2018-03-16 11-33-00', 'ry', '2018-03-16 11-33-00', 'ADMIN');
insert into sys_user values(2,  105, 'ry',    'admin', '00', '[email protected]',  '15666666666', '1', '', '123456', '222222', '0', '0', '127.0.0.1', '2018-03-16 11-33-00', 'admin', '2018-03-16 11-33-00', 'ry', '2018-03-16 11-33-00', 'TEST');

Bug001: error in gradle configuration environment variable: ERROR:JAVA_ Home is set to an invalid directory!

Gradle-v error: Error: Java_home is set to an invalid Directory :C:\Java\jdk1.8.0_05
please set the java_home variable in you environment to match the location of your java installation.
On the Internet turned over again, some people said more than a semicolon, some people said to change this change that, I erase, others try it, My zha change is not in, is really angry evil old man!
Look at the picture first:


But when I looked up, My eyes were fixed on it!

Vonema, how did you automatically leave out the “Program Files “?

Then Windows+R, CMD, gradle-V, and sure enough! Problem solved smoothly!!

 

Centos 7 | mariadb/mysql | [ERROR] InnoDB: Unable to lock ./ibdata1 error: 11

The article directories
Error overview solution

Error in

2020-06-29  0:17:42 0 [Note] InnoDB: Check that you do not already have another mysqld process using the same InnoDB data or log files.
2020-06-29  0:17:43 0 [ERROR] InnoDB: Unable to lock ./ibdata1 error: 11
2020-06-29  0:17:43 0 [Note] InnoDB: Check that you do not already have another mysqld process using the same InnoDB data or log files.
2020-06-29  0:17:44 0 [ERROR] InnoDB: Unable to lock ./ibdata1 error: 11
2020-06-29  0:17:44 0 [Note] InnoDB: Check that you do not already have another mysqld process using the same InnoDB data or log files.
2020-06-29  0:17:45 0 [ERROR] InnoDB: Unable to lock ./ibdata1 error: 11
2020-06-29  0:17:45 0 [Note] InnoDB: Check that you do not already have another mysqld process using the same InnoDB data or log files.
2020-06-29  0:17:46 0 [ERROR] InnoDB: Unable to lock ./ibdata1 error: 11
2020-06-29  0:17:46 0 [Note] InnoDB: Check that you do not already have another mysqld process using the same InnoDB data or log files.
2020-06-29  0:17:47 0 [ERROR] InnoDB: Unable to lock ./ibdata1 error: 11
2020-06-29  0:17:47 0 [Note] InnoDB: Check that you do not already have another mysqld process using the same InnoDB data or log files.
2020-06-29  0:17:48 0 [ERROR] InnoDB: Unable to lock ./ibdata1 error: 11
2020-06-29  0:17:48 0 [Note] InnoDB: Check that you do not already have another mysqld process using the same InnoDB data or log files.
2020-06-29  0:17:49 0 [ERROR] InnoDB: Unable to lock ./ibdata1 error: 11
2020-06-29  0:17:49 0 [Note] InnoDB: Check that you do not already have another mysqld process using the same InnoDB data or log files.
2020-06-29  0:17:49 0 [Note] InnoDB: Unable to open the first data file
2020-06-29  0:17:49 0 [ERROR] InnoDB: Operating system error number 11 in a file operation.
2020-06-29  0:17:49 0 [ERROR] InnoDB: Error number 11 means 'Resource temporarily unavailable'
2020-06-29  0:17:49 0 [Note] InnoDB: Some operating system error numbers are described at https://mariadb.com/kb/en/library/operating-system-error-codes/
2020-06-29  0:17:49 0 [ERROR] InnoDB: Cannot open datafile './ibdata1'
2020-06-29  0:17:49 0 [ERROR] InnoDB: Could not open or create the system tablespace. If you tried to add new data files to the system tablespace, and it failed here, you should now edit innodb_data_file_path in my.cnf back to what it was, and remove the new ibdata files InnoDB created in this failed attempt. InnoDB only wrote those files full of zeros, but did not yet use them in any way. But be careful: do not remove old data files which contain your precious data!
2020-06-29  0:17:49 0 [ERROR] InnoDB: Plugin initialization aborted with error Cannot open a file
2020-06-29  0:17:49 0 [Note] InnoDB: Starting shutdown...
2020-06-29  0:17:50 0 [ERROR] Plugin 'InnoDB' init function returned error.
2020-06-29  0:17:50 0 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed.
2020-06-29  0:17:50 0 [Note] Plugin 'FEEDBACK' is disabled.
2020-06-29  0:17:50 0 [ERROR] Unknown/unsupported storage engine: InnoDB
2020-06-29  0:17:50 0 [ERROR] Aborting

The solution
Website query Error code 11
Operating System Error Codes – MariaDB Knowledge Base
https://mariadb.com/kb/en/operating-system-error-codes

Number Error Code Description
11 EAGAIN Try again

It’s no use trying again
An attempt was made to remove the deleted error file

cd /var/lib/mysql
ll

total 188492
-rw-rw---- 1 mysql mysql    16384 Jun 28 22:43 aria_log.00000001
-rw-rw---- 1 mysql mysql       52 Jun 28 22:43 aria_log_control
-rw-rw---- 1 mysql mysql     7007 Jun 28 22:43 ib_buffer_pool
-rw-rw---- 1 mysql mysql 79691776 Jun 28 22:49 ibdata1
-rw-rw---- 1 mysql mysql 50331648 Jun 28 23:18 ib_logfile0
-rw-rw---- 1 mysql mysql 50331648 Jun 22 09:17 ib_logfile1
-rw-rw---- 1 root  root  12582912 Jun 28 23:18 ibtmp1
-rw-rw---- 1 mysql mysql        0 Jun 22 09:28 multi-master.info
drwx------ 2 mysql mysql     4096 Jun 22 09:17 mysql
-rw-rw---- 1 mysql mysql      351 Jun 28 21:52 mysql-bin.000001
-rw-rw---- 1 mysql mysql      351 Jun 28 22:19 mysql-bin.000002
-rw-rw---- 1 mysql mysql      351 Jun 28 22:31 mysql-bin.000003
-rw-rw---- 1 mysql mysql      351 Jun 28 22:32 mysql-bin.000004
-rw-rw---- 1 mysql mysql      351 Jun 28 22:43 mysql-bin.000005
-rw-rw---- 1 mysql mysql       95 Jun 28 22:32 mysql-bin.index
-rw-rw---- 1 mysql mysql        0 Jun 28 22:43 mysql-bin.state
drwx------ 2 mysql mysql     4096 Jun 22 09:17 performance_schema

Remove or delete the following three files :(note the backup)

ibdata1、ib_logfile0、ib_logfile1

Restart the mariadb/mysql

Disk BLK_ update_ request: I/O error

1. Try 1:
Blk_update_request: I/O error, dev fd0, Sector 0 error resolved

Reference document:

https://bbs.archlinux.org/viewtopic.php?pid=1166918#p1166918
http://www.cyberciti.biz/faq/linux-end_request-ioerror-dev-fd0-sector0/

blk_update_request: I/O error, dev fd0, sector 0 when booting Linux on hardware with floppy drive controller on
Resolve the error message by closing the floppy drive module:
#
# /etc/modprobe.d/modprobe.conf
#
blacklist floppy
Try 2:

< strong> When dMESg occurs, the following message indicates a problem with the disk. /strong> < br> < br> Info fld=0x139066d0

end_request: I/O error, dev sda, sector 328230608

The I/O error Buffer
The on
device sda, logical block 41028826

sd 0:0:0:0: SCSI error:
The return
code = 0x08000002

sda: Current: sense key: Medium Error


Add. Sense: Unrecovered read error

 

Info fld=0x139066d0

end_request: I/O error, dev sda, sector 328230608

The I/O error Buffer
The on
device sda, logical block 41028826

sd 0:0:0:0: SCSI error:
The return
code = 0x08000002

sda: Current: sense key: Medium Error


Add. Sense: Unrecovered read error

 

Info fld=0x139066d0

end_request: I/O error, dev sda, sector 328230608

The I/O error Buffer
The on
device sda, logical block 41028826

sd 0:0:0:0: SCSI error:
The return
code = 0x08000002

sda: Current: sense key: Medium Error


Add. Sense: Unrecovered read error

 

Info fld=0x139066d0

end_request: I/O error, dev sda, sector 328230608

The I/O error Buffer
The on
device sda, logical block 41028826

sd 0:0:0:0: SCSI error:
The return
code = 0x08000002

sda: Current: sense key: Medium Error


Add. Sense: Unrecovered read error

1. First detect the failure
Badblock-s-v-o /root/bb.log /dev/sda save the results to bb.log

[root@logging ~]# badblocks -s -v -o /root/badblocks.log /dev/sda
Checking blocks 0 to 586061784
Checking for bad blocks (read-only test): done                                
Pass completed, 173 bad blocks found.

 
Smartctl-a /dev/sda3 (Quickly detect errors after read and write)
2. Repair method of logical bad path

, badblock-s-w /dev/sda END START (END stands for the END of the sector to be repaired, START stands for the beginning of the sector to be repaired)
, fsck-a /dev/sda
After the repair, badblock-s-v-o /root/bb.log /dev/sda will be used to monitor for bad tracks. If there are bad tracks, it is a bad hard drive. Hard disk bad way to use the isolation method, first of all, the monitoring of the hard disk bad way and then partition when the hard disk bad way in the sector is divided in a partition (size is generally greater than the size of the bad sector), the partition of the bad way partition can achieve the purpose of isolation
3. 0 Bad track and hard drive (ready to replace hard drive)
The repair method of bad track of 0 track is to isolate track of 0 track. When using FDSK to divide the area, divide the area from track of 1.
If it's a bad drive, it can only be quarantined and not repaired
 

Reproduced in: https://www.cnblogs.com/wangjq19920210/p/9238910.html

ADB connection error

ADB Connection Error
There are times when you run into an ADB Connection Error when debugging real machines, which means that the port you are debugging is occupied.
The error reporting code for the problem I encountered is as follows:
Unable to create Debug Bridge; Unable to start adb server; error; cannot parse version string ; Kg01 ‘C: \ users \ \ * * * * * * * * adb. Exe, start – server’ failed – run manually if necessary.

here is my error report picture:

Solutions:
The error message indicates that the port is occupied by an adb.exe. Then we’ll find the adb.exe file in the cool dog folder and delete it. Does not affect the use of cool dog music.
Later, I summarized other problems that occupied the port, such as the following error code:
Unable to create Debug Bridge: Unable to start ADB Server: Error: could not install * SmartSocket * Listener: cannot bind to 127.0.0.1:5037
Could not read the ok from the ADB Server
* failed to start the daemon *
error: always connect to the daemon
‘D: * * * * * \ ADB exe, start – Server’ failed – run manually if necessary
This solution is different from the previous one:
Find the corresponding pid number occupying the port number 5037 by netstat -aon|findstr “5037”. Open task manager and kill the process with the corresponding PID number. Restart ADB.
 

C ා programming encountered an object reference is required for the non-static field, method, or property error

When you create static methods in your form code, the source code looks like this

public int imageNum=0;

。。。。。。

 public static int button1_clicknum()
        {
            return imageNum;
        }

This is followed by an error such as the following. The error is caused by the fact that the static method cannot directly access the non-static member, and the non-static field needs to be referenced, which can be a private member of an instance. To correct this, change imagenum to a static member.
Public static int imageNum = 0;