A Java project, after being packed into a jar package through maven, is run on a Linux server. What are all the Chinese garbled codes in the log? But there is no problem with the same jar package running on macos The same code, compiled on Windows and ru...
has customized a jar package. After uploading it to the private server, the class can be found through ctrl+n, but the following error is thrown when import: ...
problem description I use maven to package a project for jar, using maven-assembly-plugin,maven-jar-plugin two plug-ins where maven-assembly-plugin puts dependent libraries under the lib directory, configuration resource files under config directory...
springboot integration struts2, works fine in the development tool (eclipse). When you package it into a jar package or a war package and execute it with java-jar, the following errors will occur: how to solve it? java.lang.NullPointerException: nu...
for example, I wrote a utility class in a project, and considering that this class is of great use, I want to type it into a jar package for other projects to use. how do I package this single file when using idea? Many tutorials on the Internet package...
1. The project is a maven project, and the code management repository is the last one deployed by gitlab, to be packaged and deployed in the form of jar. Want to use jenkins to automate build deployment. The project structure is a parent with several pee...
as seen in a development tutorial, the blogger did not mention why the signed right shift is used here, and it is still 0 bits, because it is generally used to move 0 bits to the unsigned right to convert numbers into unsigned integers. ...
df is a dataframe , in which there are some NaN values in df . The following code formats each column in turn (for example, changing money into a string that begins with a dollar sign, and the corresponding function is formatter_function ). How t...
thinking about setting up a crawler to monitor the ticket release of 12306 fixed trains. it is normal to run after writing on my computer. The crawling frequency is not high. Climb every five minutes, and each time you climb for 8 days in turn. There i...
scene I link to the database in three ways: first: use .connect () .end () . Continuous requests can be made for the first time, and then there will be ups and downs second: do not use .connect () .end () . Continuous requests. All request...
problem description as shown in the figure: the requirement is to display both a bar chart and a linear chart on the same chart. Both charts need to show their respective data labels, but in some places the labels overlap . the environmental backg...