preface

In the daily development process, it is common to encounter the exception that the class file cannot be found, but the class does exist in the project, which is called the package dependency conflict problem.

Conflict problem

The sample project introduces two versions of Fastjson.jar, respectively

Fastjson: 1.2.28 fastjson: 1.2.3Copy the code

For example, when we need to use 1.2.28 total class, such as class A, but in the new version, this class is removed, but when allocating, we find this package exists, which package is it? Using this plugin, you can directly solve the problem of maven conflict in idea with one click.

Amway plug-in

The amway plugin here is called Maven Helper

To solve the problem

The first step

Installing a plug-in

The second step

After the installation is complete, this will appear below the POM file

The third step

Clicking in will take you to something like eclipse

The fourth step

Select the conficts option, which means to filter all conflicting packages

Step 5

The example here conflicts with Fastjson as shown below

Step 6

Right-click and exclude to remove the related version. Can automatically remove.

Source: Xiaoming Vegetable Market

Recommended reading

Low will know will be | about Redis cache these three problems, will be will be

Low collection | necessary explanation | please don’t use the low efficiency of the I/O, don’t try this I/O

Clear | saw this article, distributed years don’t understand things, finally understand!

Recommendation | as the IDEA of die-hard powder, such Settings, effect pops the dalai!

Low abnormal | please don’t write full screen try-catch again, with the exception? – Smuggling. – Line testing

End

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