java.sql.SQLException: Access denied for user 'root'@'localhost' (using password

MySQL

tomcat启动报错:

java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES)


解决:

cmd

mysql>GRANT ALL PRIVILEGES ON *.* TO 'root'@'localhost' IDENTIFIED BY '这儿就是你想要改的密码' WITH GRANT OPTION;
### U-Boot Bootloader Documentation and Usage #### Overview of U-Boot on S5P6818 Development Board U-Boot is applicable to the S5P6818 development board, which will be used as a basis for introducing embedded systems further. The process involves obtaining U-Boot source code from repositories such as NXP's provided link at GitHub[^2]. #### Acquiring U-Boot Source Code For acquiring U-Boot source code specifically tailored or compatible with certain platforms like the S5P6818, one can refer to dedicated sources where developers share their work. For instance, NXP provides an accessible repository through its official channel. #### Compilation Process Insight via Makefile Analysis Understanding how U-Boot compiles requires delving into `Makefile`, especially when targeting specific boards like rk3568. This file orchestrates various tasks including setting up configurations based on selected board settings (e.g., `board config`), choosing appropriate compilation chains (`compilation chain`), adapting according to host machine environments among others[^3]. #### Challenges in Understanding Complex Build Systems Analyzing complex build systems within projects similar to U-Boot demands extensive knowledge not only about shell scripting but also familiarity with project-specific conventions. While many online resources provide insights into older models' makefiles—such as those related to s3c2440, s3c6410, and other variants—it remains true that newer architectures may introduce unique elements requiring specialized attention[^4]. ```bash git clone https://github.com/Freescale/u-boot-fslc.git cd u-boot-fslc/ make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- ```
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