The Eclipse project has a Red Cross solution

There are red forks on the Eclipse project, which indicates that there are some problems with this project, which need to be specific to this situation.

1 new imported items for the Red Fork

If it is a newly imported project, the general Red Fork only in the project name above the Red fork, the item under the sub-item above, this is generally due to the original project environment, and the current use of the eclipse environment may not be the same cause, you can take the configuration of the operating environment method to solve. Right-click on the Import project, select Build Path-configure Build Path ..., in the Right Libraries tab, find the item with the Red Cross, it could be the JRE System Library or another jar package Select Remove, and then add your own library or jar package as appropriate.

2 need to view problems

Select Window-show View-others, enter problems, click on the problems option that appears, the problem list will appear in the lower part of the debugging, that is, the project's red Fork represents the problem, and then we follow the problem described in the further processing. such as the project is not built due to "Could not delete '/folder Pathname" error, we can follow the prompts to delete the corresponding directory files, and then clean the project, and then compile can be resolved.

The Eclipse project has a Red Cross solution