Solve problems that occur in maven projects
1, Open the newly created servlet file for example (hibernate.cfg.xml) and modify the header file to
"-//Hibernate/Hibernate Configuration DTD 3.0//EN"
"http://www.hibernate.org/dtd/hibernate-configuration -3.0.dtd">
2. Open the .settings folder in the project directory
2.1Modify the project settings and open org.eclipse in the project.settings directory .jdt.core.prefs (open a tool such as NOTEPAD++)
Change 1.5 to 1.8, for example:
1 eclipse.preferences.version=12 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled3 org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.84 org.eclipse.jdt.core.compiler.compliance=1.85 org.eclipse.jdt.core.compiler.problem.assertIdentifier=error6 org.eclipse.jdt.core.compiler.problem.enumIdentifier=error7 org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning8 org.eclipse.jdt.core.compiler.source=1.8
2.2Open org.eclipse.wst.common.project.facet.core.xml
Change
##1 <?xml version="1.0" encoding="UTF-8"?>2 <faceted-project>3 <fixed facet="wst.jsdt.web"/>4 <installed facet="jst.web" version="3.0"/>5 <installed facet="wst.jsdt.web" version="1.0"/>6 <installed facet="jboss.m2" version="1.0"/>7 <installed facet="java" version="1.8"/>8 <installed facet="jst.cdi" version="1.0"/>9 </faceted-project>
Open the pom.xml file that stores dependencies, and modify the bottom
is
1 <build> 2 <finalName>D5.22hotai</finalName> 3 <plugins> 4 <plugin> 5 <groupId>org.apache.maven.plugins</groupId> 6 <artifactId>maven-compiler-plugin</artifactId> 7 <version>3.3</version> 8 <configuration> 9 <!-- 指定source和target的版本 --> 10 <source>1.8</source> 11 <target>1.8</target> 12 </configuration> 13 </plugin> 14 </plugins> 15 </build>
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