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Maven continues to corrupt my java compiler and set path parameters

What happens: My java compiler settings reset from my user jdk to default java se1.5
When this happens: every time I click on the maven-update project (in the eclipse, of course).

I think it has something to do with the settings of the update project settings. But I can not find in my pom tags responsible for setting up my eclipse project. Any clues?

By the way, I can’t just uncheck the box, because pom may have other parameters that are vital for my project

EDIT: sorry for the delay, here is my pom.xml

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd"> <!-- <parent> --> <!-- <groupId>org.geomajas</groupId> --> <!-- <artifactId>geomajas-parent</artifactId> --> <!-- <version>1.0.9</version> --> <!-- </parent> --> <modelVersion>4.0.0</modelVersion> <groupId>ne</groupId> <artifactId>projl</artifactId> <version>1.0.0-SNAPSHOT</version> <packaging>war</packaging> <name>TApp</name> <description>Test</description> <url>http://www.example.com/</url> <dependencyManagement> <dependencies> <dependency> <groupId>org.geomajas</groupId> <artifactId>geomajas-backend</artifactId> <version>1.13.0-SNAPSHOT</version> <type>pom</type> <scope>import</scope> </dependency> <dependency> <groupId>org.geomajas</groupId> <artifactId>geomajas-face-puregwt</artifactId> <version>1.0.0-SNAPSHOT</version> <type>pom</type> <scope>import</scope> </dependency> <dependency> <groupId>org.geomajas.plugin</groupId> <artifactId>geomajas-plugin-geotools-all</artifactId> <version>1.10.0</version> <type>pom</type> <scope>import</scope> </dependency> <dependency> <groupId>org.geomajas.plugin</groupId> <artifactId>geomajas-plugin-rasterizing-all</artifactId> <version>1.2.0-SNAPSHOT</version> <type>pom</type> <scope>import</scope> </dependency> <dependency> <groupId>org.geomajas.plugin</groupId> <artifactId>geomajas-widget-puregwt-core-all</artifactId> <version>1.0.0-SNAPSHOT</version> <type>pom</type> <scope>import</scope> </dependency> <dependency> <groupId>org.geomajas</groupId> <artifactId>geomajas-dep</artifactId> <version>1.12.28</version> <type>pom</type> <scope>import</scope> </dependency> </dependencies> </dependencyManagement> <dependencies> <dependency> <groupId>hsqldb</groupId> <artifactId>hsqldb</artifactId> <scope>compile</scope> </dependency> <dependency> <groupId>xerces</groupId> <artifactId>xercesImpl</artifactId> <version>2.9.1</version> </dependency> <dependency> <groupId>org.apache.httpcomponents</groupId> <artifactId>httpclient</artifactId> <scope>compile</scope> </dependency> <!-- Geomajas dependencies --> <dependency> <groupId>org.geomajas.plugin</groupId> <artifactId>geomajas-plugin-rasterizing</artifactId> </dependency> <dependency> <groupId>org.geomajas</groupId> <artifactId>geomajas-puregwt-client-impl</artifactId> </dependency> <dependency> <groupId>org.geomajas</groupId> <artifactId>geomajas-testdata</artifactId> </dependency> <dependency> <groupId>org.geomajas.plugin</groupId> <artifactId>geomajas-layer-geotools</artifactId> </dependency> <dependency> <groupId>org.geomajas.plugin</groupId> <artifactId>geomajas-layer-openstreetmap</artifactId> </dependency> <dependency> <groupId>org.geomajas.plugin</groupId> <artifactId>geomajas-layer-wms</artifactId> </dependency> <!-- Google dependencies --> <dependency> <groupId>com.google.gwt</groupId> <artifactId>gwt-user</artifactId> <version>${gwt-version}</version> <scope>provided</scope> </dependency> <dependency> <groupId>com.google.gwt</groupId> <artifactId>gwt-servlet</artifactId> <version>${gwt-version}</version> <scope>runtime</scope> </dependency> <!-- External GWT libraries --> <dependency> <groupId>com.google.code.gwt-dnd</groupId> <artifactId>gwt-dnd</artifactId> <version>3.1.0</version> </dependency> <!-- logging dependencies, delegate all to slf4j and use logback --> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-api</artifactId> </dependency> <dependency> <groupId>org.slf4j</groupId> <artifactId>jcl-over-slf4j</artifactId> </dependency> <dependency> <groupId>org.slf4j</groupId> <artifactId>log4j-over-slf4j</artifactId> </dependency> <dependency> <groupId>ch.qos.logback</groupId> <artifactId>logback-classic</artifactId> </dependency> <dependency> <groupId>org.seleniumhq.selenium</groupId> <artifactId>selenium-java</artifactId> <scope>test</scope> </dependency> <dependency> <groupId>org.seleniumhq.selenium</groupId> <artifactId>selenium-server</artifactId> <scope>test</scope> </dependency> </dependencies> <build> <plugins> <!-- Run the application using "mvn jetty:run" --> <plugin> <groupId>org.mortbay.jetty</groupId> <artifactId>maven-jetty-plugin</artifactId> <version>6.1.20</version> <configuration> <webAppConfig> <contextPath>/</contextPath> <baseResource implementation="org.mortbay.resource.ResourceCollection"> <!-- need both the webapp dir and location where GWT puts stuff --> <resourcesAsCSV>${basedir}/src/main/webapp,${project.build.directory}/${project.build.finalName}</resourcesAsCSV> </baseResource> </webAppConfig> <reload>manual</reload> </configuration> </plugin> <plugin> <groupId>org.codehaus.mojo</groupId> <artifactId>gwt-maven-plugin</artifactId> <version>2.5.0</version> <dependencies> <dependency> <groupId>com.google.gwt</groupId> <artifactId>gwt-user</artifactId> <version>${gwt-version}</version> </dependency> <dependency> <groupId>com.google.gwt</groupId> <artifactId>gwt-dev</artifactId> <version>${gwt-version}</version> </dependency> </dependencies> <configuration> <module>the.proj.App</module> <runTarget>index.html</runTarget> <disableCastChecking>true</disableCastChecking> <disableClassMetadata>true</disableClassMetadata> <extraJvmArgs>-Xmx1024M -Xss1024k</extraJvmArgs> <hostedWebapp>${project.build.directory}/${project.build.finalName}</hostedWebapp> <copyWebapp>true</copyWebapp> </configuration> <executions> <execution> <id>compile</id> <phase>test-compile</phase> <goals> <goal>compile</goal> </goals> </execution> <execution> <id>clean</id> <phase>clean</phase> <goals> <goal>clean</goal> </goals> </execution> </executions> </plugin> <plugin> <groupId>org.codehaus.cargo</groupId> <artifactId>cargo-maven2-plugin</artifactId> <version>1.2.1</version> <configuration> <!-- Container configuration --> <container> <containerId>tomcat7x</containerId> <type>remote</type> </container> <!-- Configuration to use with the container --> <configuration> <type>runtime</type> <properties> <cargo.remote.username>${dev.deploy.username}</cargo.remote.username> <cargo.remote.password>${dev.deploy.password}</cargo.remote.password> <cargo.remote.uri>${dev.deploy.uri}</cargo.remote.uri> </properties> </configuration> <deployer> <deployables> <deployable> <groupId>org.geomajas</groupId> <artifactId>geomajas-puregwt-showcase</artifactId> <type>war</type> <properties> <context>showcase-pure-trunk</context> </properties> </deployable> </deployables> </deployer> </configuration> </plugin> </plugins> </build> <profiles> <!-- m2eclipse with embedded jetty --> <profile> <id>m2e</id> <activation> <property> <name>m2e.version</name> </property> </activation> <dependencies> <dependency> <groupId>org.geomajas</groupId> <artifactId>geomajas-jetty-runner</artifactId> <version>1.0.0</version> </dependency> <dependency> <groupId>com.google.gwt</groupId> <artifactId>gwt-dev</artifactId> <version>${gwt-version}</version> <scope>provided</scope> </dependency> </dependencies> <properties> <gwt.compiler.skip>true</gwt.compiler.skip> </properties> </profile> <profile> <id>skipGwt</id> <activation> <property> <name>skipGwt</name> </property> </activation> <properties> <gwt.compiler.skip>true</gwt.compiler.skip> </properties> </profile> <profile> <id>selenium-tests</id> <activation> <property> <name>!skipSelenium</name> </property> </activation> <build> <plugins> <!-- Run the application using "mvn jetty:run" --> <plugin> <groupId>org.mortbay.jetty</groupId> <artifactId>maven-jetty-plugin</artifactId> <configuration> <webAppConfig> <contextPath>/</contextPath> </webAppConfig> <reload>manual</reload> <stopPort>9966</stopPort> <stopKey>stop-jetty</stopKey> </configuration> <executions> <execution> <id>start-jetty</id> <phase>pre-integration-test</phase> <goals> <goal>run</goal> </goals> <configuration> <daemon>true</daemon> <scanIntervalSeconds>5</scanIntervalSeconds> <connectors> <connector implementation="org.mortbay.jetty.nio.SelectChannelConnector"> <port>9080</port> <maxIdleTime>60000</maxIdleTime> </connector> </connectors> </configuration> </execution> <execution> <id>stop-jetty</id> <phase>post-integration-test</phase> <goals> <goal>stop</goal> </goals> </execution> </executions> </plugin> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-surefire-plugin</artifactId> <executions> <execution> <phase>integration-test</phase> <goals> <goal>test</goal> </goals> <configuration> <includes> <include>**/*TestInt.java</include> <include>**/IntTest*.java</include> </includes> </configuration> </execution> </executions> </plugin> </plugins> </build> </profile> </profiles> <repositories> <repository> <id>Geomajas</id> <name>Geomajas repository</name> <url>http://maven.geomajas.org/</url> </repository> <!-- uncomment if you want to use Geomajas snapshots, comment for faster builds --> <repository> <id>Geomajas-latest</id> <name>Geomajas snapshot repository</name> <url>http://apps.geomajas.org/nexus/content/groups/latest</url> <snapshots> <enabled>true</enabled> </snapshots> </repository> </repositories> <pluginRepositories> <pluginRepository> <id>Geomajas</id> <name>Geomajas repository</name> <url>http://maven.geomajas.org/</url> </pluginRepository> </pluginRepositories> <properties> <gwt-version>2.5.1</gwt-version> <gwt.compiler.skip>false</gwt.compiler.skip> </properties> </project>
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1 answer

I'm not quite sure about your problem, but I believe that the m2e plugin gets the source / output version by installing the compiler plugin.

Your POM has something like

 .... <build> <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <configuration> <source>1.6</source> <target>1.6</target> </configuration> </plugin> ..... </plugins> </build>

m2e should be able to customize your Eclipse to the source and target versions.

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Source: https://habr.com/ru/post/1489824/

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