Resolve “Access Denied” errors when accessing Amazon S3 objects

As a user of Amazon S3, you may encounter “Access Denied” errors when trying to access objects in your S3 bucket. These errors indicate that the request lacks valid credentials or permissions policies to perform the requested operation. In this blog post, I’ll cover various troubleshooting steps and configuration checks to resolve “Access Denied” errors […]

java.io.FileNotFoundException: /proc/tty/drivers: read failed: EACCES (Permission denied)

Such as the title: java.io.FileNotFoundException: /proc/tty/drivers: read failed: EACCES Permission denied The emergence of problems Android high version permission processing problem solving Off topic development How does the third-party app have the system signature Continue to work on permission issues Occurrence of the problem When using Google’s open source serial port library, there is a […]

Download file interface includes || nginx error, proxy_temp directory Permission denied

The download file interface includes || nginx error 1 Overview 2. Troubleshooting 2.1. Error log 2.2. Thinking 2.3, the truth 2.4, extension 3. Summary 1. Overview Hello everyone, I am Ouyang Fangchao, you can follow my official account “Ouyang Fangchao”, and the follow-up content will be published on the official account. Let’s take a look […]

Install CDH and execute scm_prepare_database.sh to report an error, java.sql.SQLException: Access denied for user ‘scm’@’localhost’

1. Install CDH and report an error CDH is Cloudera Distribution for The abbreviation of Hadoop is a set of enterprise-oriented open source Hadoop ecosystem solutions provided by Cloudera. CDH integrates various Hadoop-related open source projects and tools, and provides functions for centralized management and operation of these components. Install CDH and execute scm_prepare_database.sh to […]

Solve java.sql.SQLException: Access denied for user ‘root’@’localhost’ (using password: YES) error

In the mybatis used in the springboot project, the following error has been reported when testing userMapper java.sql.SQLException: Access denied for user ‘root’@’localhost’ (using password: YES) at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:129) ~[mysql-connector-j-8.0.31.jar:8.0.31] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:122) ~[mysql-connector-j-8.0.31.jar:8.0.31] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-j-8.0.31.jar:8.0.31] at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:448) ~[mysql-connector-j-8.0.31.jar:8.0.31] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-j-8.0.31.jar:8.0.31] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-j-8.0.31.jar:8.0.31] at com.zaxxer.hikari.util.DriverDataSource.getConnection(DriverDataSource.java:138) ~[HikariCP-4.0.3.jar:na] at com.zaxxer.hikari.pool.PoolBase.newConnection(PoolBase.java:364) ~[HikariCP-4.0.3.jar:na] at com.zaxxer.hikari.pool.PoolBase.newPoolEntry(PoolBase.java:206) ~[HikariCP-4.0.3.jar:na] at com.zaxxer.hikari.pool.HikariPool.createPoolEntry(HikariPool.java:476) […]

Pycharm connects to the pit encountered by mysql, and reports an error Access denied for user ‘root’

Yesterday, I was trying to connect to mysql with pycharm, so as to add, delete, modify and check the database in python. However, in the step of connecting to mysql in pycharm, I encountered several very difficult problems. After reading other tutorials, the connection was quickly completed, but I always report an error here. The […]

CDH’s HIVE exits abnormally Permission denied: user=hive, access=WRITE, inode=”/tmp”:hdfs:supergroup:drwxr-xr-x

CDH shows abnormal exit Check which server the HiveServer2 instance is on, and check the log /var/log/hive/hadoop-cmf-hive-HIVESERVER2-hadoop105.log.out. The log error is as follows: 2023-05-23 15:18:05,331 ERROR org.apache.hive.service.server.HiveServer2: [main]: Error starting HiveServer2 java.lang.Error: Max start attempts 30 exhausted at org.apache.hive.service.server.HiveServer2.startHiveServer2(HiveServer2.java:609) ~[hive-service-2.1.1-cdh6.3.2.jar:2.1.1-cdh6.3.2] at org.apache.hive.service.server.HiveServer2.access$700(HiveServer2.java:94) ~[hive-service-2.1.1-cdh6.3.2.jar:2.1.1-cdh6.3.2] at org.apache.hive.service.server.HiveServer2$StartOptionExecutor.execute(HiveServer2.java:827) [hive-service-2.1.1-cdh6.3.2.jar:2.1.1-cdh6.3.2] at org.apache.hive.service.server.HiveServer2.main(HiveServer2.java:696) [hive-service-2.1.1-cdh6.3.2.jar:2.1.1-cdh6.3.2] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_181] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) […]