Java compile the relevant definitions in the pom file

1 all the xml file compiled under src / main / java directory class in the target directory

<resource>
	<directory>src/main/java</directory>
	<includes>
		<include>**/*.xml</include>
	</includes>
</resource>

2 all the configuration files in src / main / resources are compiled in the class directory

<resource>
	<directory>src/main/resources</directory>
    <includes>
    	<include>**/*.*</include>
    </includes>
</resource>

3 all the files in src / main / webapp are compiled in the META-INF / resources

<resources>
	<resource>
		<directory>src/main/webapp</directory>
		<targetPath>META-INF/resources</targetPath>
		<includes>
			<include>**/*.*</include>
		</includes>
	</resource>
</resources>

Suggestions: pom documents with this content, you can avoid file can not be found