Troubleshooting

Don't guess , read the error prompt and analyze the cause of the error with your own basic knowledge A breakpoint is hit at the front of the jsp, which should be transferred to the foreground. After passing this breakpoint, an error is reported. The foreground reports an error of 1 script breakpoint, and 2 pages are deleted section by section.
In the background troubleshooting, follow up the information analysis layer by layer in the wrong place.
This way , you can review and supplement the knowledge of basic skills. Every error is arranged in this way. In the future, the troubleshooting ability will be greatly improved, the basic knowledge will be improved, and the number of online searches will be reduced. Time

Mastering the underlying principles, you can grasp the overall situation in the analysis of errors, and analyze and collect information for the problem, and eliminate the possibility one by one. You can connect with the causal relationship between the possibilities of different information display. When I got up, I knew the cause of the problem, and it was very targeted at this time, and the all-powerful Baidu was even more prominent. To collect data, signs are very important, choose good data to start with, don’t be held by this data for a while, and that data for a while.
variable factor analysis