- delete the project from the workspace
- Opens terminal and cd to the project directory (when the pom.xml is).
- rm -rf .settings .project .classpath
- Do (1)-(3) for any internal project my webapp project depends on.
- Import it again.
Which Eclipse are you using? Try Eclipse 3.6 and the latest m2eclipse.
Solves problems also.
On Wed, Feb 2, 2011 at 7:07 PM,
ildella@xxxxxxxxx <ildella@xxxxxxxxx> wrote:
Hi, I am getting an error (exception at bottom) and as result, the
project is almost correctly imported but Web Resources points to the
root project folder instead of src/main/webapp as default. I'll also
paste the pom.xml as reference, as far as I see, there is nothing
strange but some dependencies declared under maven-antrun-plugin which
I am not sure why they are there but does not seem related to the
problem to me.
Thanks.
java.lang.NullPointerException
at org.eclipse.wst.common.componentcore.internal.resources.VirtualComponent.create(VirtualComponent.java:364)
at org.maven.ide.eclipse.wtp.WebProjectConfiguratorDelegate.configure(WebProjectConfiguratorDelegate.java:93)
at org.maven.ide.eclipse.wtp.AbstractProjectConfiguratorDelegate.configureProject(AbstractProjectConfiguratorDelegate.java:75)
at org.maven.ide.eclipse.wtp.WTPProjectConfigurator.configure(WTPProjectConfigurator.java:44)
at org.maven.ide.eclipse.project.configurator.AbstractLifecycleMapping.configure(AbstractLifecycleMapping.java:57)
at org.maven.ide.eclipse.internal.project.GenericLifecycleMapping.configure(GenericLifecycleMapping.java:48)
at org.maven.ide.eclipse.internal.project.ProjectConfigurationManager.updateProjectConfiguration(ProjectConfigurationManager.java:306)
at org.maven.ide.eclipse.internal.project.ProjectConfigurationManager.configureNewMavenProject(ProjectConfigurationManager.java:240)
at org.maven.ide.eclipse.internal.project.ProjectConfigurationManager.importProjects(ProjectConfigurationManager.java:146)
at org.maven.ide.eclipse.wizards.MavenImportWizard$1.runInWorkspace(MavenImportWizard.java:94)
at org.eclipse.core.internal.resources.InternalWorkspaceJob.run(InternalWorkspaceJob.java:38)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)
<packaging>war</packaging>
<build>
<plugins>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>2.3.2</version>
<configuration>
<source>1.5</source>
<target>1.5</target>
</configuration>
</plugin>
<plugin>
<artifactId>maven-war-plugin</artifactId>
<version>2.1</version>
</plugin>
<!-- general schema ddl -->
<plugin>
<artifactId>maven-antrun-plugin</artifactId>
<executions>
<execution>
<id>generate-ddl</id>
<phase>process-classes</phase>
<goals>
<goal>run</goal>
</goals>
<configuration>
<tasks>
<ant antfile="${basedir}/hbm2ddl-build.xml" inheritRefs="true">
<target name="generateDDL" />
</ant>
</tasks>
</configuration>
</execution>
</executions>
<dependencies>
<!-- hibernate -->
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate</artifactId>
<version>3.2.6.ga</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-tools</artifactId>
<version>3.2.3.GA</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-entitymanager</artifactId>
<version>3.3.2.GA</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>1.5.6</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>1.5.6</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.6</version>
</dependency>
<dependency>
<groupId>c3p0</groupId>
<artifactId>c3p0</artifactId>
<version>0.9.1.1</version>
</dependency>
<dependency>
<groupId>javax.transaction</groupId>
<artifactId>jta</artifactId>
<version>1.1</version>
</dependency>
</dependencies>
</plugin>
<plugin>
<groupId>org.mortbay.jetty</groupId>
<artifactId>maven-jetty-plugin</artifactId>
<version>6.1.25</version>
<configuration>
<scanIntervalSeconds>0</scanIntervalSeconds>
<reload>manual</reload>
<session-timeout>300</session-timeout>
<webAppConfig>
<contextPath>/</contextPath>
</webAppConfig>
<connectors>
<connector
implementation="org.mortbay.jetty.nio.SelectChannelConnector">
<port>9090</port>
<maxIdleTime>60000</maxIdleTime>
</connector>
</connectors>
</configuration>
</plugin>
</plugins>
</build>
<repositories>
<repository>
<id>itextpdf.com</id>
<name>Maven Repository for iText</name>
<url>http://maven.itextpdf.com/</url>
</repository>
<repository>
<id>jboss</id>
<name>JBoss Public Repository</name>
<url>https://repository.jboss.org/nexus/content/groups/public</url>
</repository>
<repository>
<id>wicketstuff</id>
<url>http://wicketstuff.org/maven/repository</url>
<snapshots>
<enabled>true</enabled>
</snapshots>
<releases>
<enabled>true</enabled>
</releases>
</repository>
</repositories>
<dependencies>
<dependency>
<groupId>servletapi</groupId>
<artifactId>servletapi</artifactId>
<version>2.3</version>
<scope>provided</scope>
</dependency>
<!-- slf4j -->
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>1.5.6</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>1.5.6</version>
</dependency>
<!-- commons -->
<dependency>
<groupId>commons-configuration</groupId>
<artifactId>commons-configuration</artifactId>
<version>1.6</version>
</dependency>
<dependency>
<groupId>commons-codec</groupId>
<artifactId>commons-codec</artifactId>
<version>1.3</version>
</dependency>
<dependency>
<groupId>commons-collections</groupId>
<artifactId>commons-collections</artifactId>
<version>3.2.1</version>
</dependency>
<!-- spring -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring</artifactId>
<version>2.5.6</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>2.5.6</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-beans</artifactId>
<version>2.5.6</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<scope>test</scope>
<version>2.5.6</version>
</dependency>
<!-- wicket -->
<dependency>
<groupId>org.apache.wicket</groupId>
<artifactId>wicket</artifactId>
<version>1.4.14</version>
</dependency>
<dependency>
<groupId>org.apache.wicket</groupId>
<artifactId>wicket-extensions</artifactId>
<version>1.4.14</version>
</dependency>
<dependency>
<groupId>org.apache.wicket</groupId>
<artifactId>wicket-spring</artifactId>
<version>1.4.14</version>
</dependency>
<dependency>
<groupId>org.apache.wicket</groupId>
<artifactId>wicket-ioc</artifactId>
<version>1.4.14</version>
</dependency>
<dependency>
<groupId>org.apache.wicket</groupId>
<artifactId>wicket-datetime</artifactId>
<version>1.4.14</version>
</dependency>
<dependency>
<groupId>org.apache.wicket.wicket-security</groupId>
<artifactId>swarm</artifactId>
<version>1.4.1</version>
</dependency>
<dependency>
<groupId>org.wicketstuff</groupId>
<artifactId>tinymce</artifactId>
<version>1.4.14</version>
</dependency>
<!-- jaxen -->
<dependency>
<groupId>jaxen</groupId>
<artifactId>jaxen</artifactId>
<version>1.1-beta-12</version>
</dependency>
<dependency>
<groupId>javax.transaction</groupId>
<artifactId>jta</artifactId>
<version>1.1</version>
</dependency>
<!-- FlyingSaucer & iText -->
<dependency>
<groupId>de.huxhorn.lilith</groupId>
<artifactId>de.huxhorn.lilith.3rdparty.flyingsaucer.core-renderer</artifactId>
<version>8Pre2</version>
</dependency>
<dependency>
<groupId>com.lowagie</groupId>
<artifactId>itext</artifactId>
<version>2.0.7</version>
</dependency>
<dependency>
<groupId>com.itextpdf</groupId>
<artifactId>itextpdf</artifactId>
<version>5.0.4</version>
<scope>compile</scope>
</dependency>
<!-- hibernate -->
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate</artifactId>
<version>3.2.6.ga</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-tools</artifactId>
<version>3.2.3.GA</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-entitymanager</artifactId>
<version>3.3.2.GA</version>
</dependency>
<!-- database-related dependencies -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.6</version>
</dependency>
<dependency>
<groupId>c3p0</groupId>
<artifactId>c3p0</artifactId>
<version>0.9.1.1</version>
</dependency>
<dependency>
<groupId>net.sf.ehcache</groupId>
<artifactId>ehcache</artifactId>
<version>1.6.0-beta3</version>
</dependency>
<!-- velocity -->
<dependency>
<groupId>velocity</groupId>
<artifactId>velocity</artifactId>
<version>1.5</version>
</dependency>
<!-- java mail -->
<!-- php-java-bridge -->
<dependency>
<groupId>php-java-bridge</groupId>
<artifactId>JavaBridge</artifactId>
<version>6.2.1</version>
</dependency>
<dependency>
<groupId>php-java-bridge</groupId>
<artifactId>php-script</artifactId>
<version>6.2.1</version>
</dependency>
<dependency>
<groupId>php-java-bridge</groupId>
<artifactId>php-servlet</artifactId>
<version>6.2.1</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.4</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>com.thoughtworks.xstream</groupId>
<artifactId>xstream</artifactId>
<version>1.3.1</version>
</dependency>
<dependency>
<groupId>org.mockito</groupId>
<artifactId>mockito-core</artifactId>
<version>1.8.5</version>
<scope>test</scope>
</dependency>
<!-- <dependency>-->
<!-- <groupId>javax.activation</groupId>-->
<!-- <artifactId>activation</artifactId>-->
<!-- <version>1.0.2</version>-->
<!-- <scope>provided</scope>-->
<!-- </dependency>-->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>2.4</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>jsp-api</artifactId>
<version>2.0</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>jboss</groupId>
<artifactId>jboss-j2ee</artifactId>
<version>4.0.0</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.xml</groupId>
<artifactId>jaxrpc-api</artifactId>
<version>1.1</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>jboss</groupId>
<artifactId>jboss-jsr77</artifactId>
<version>3.2.3</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>axis</groupId>
<artifactId>axis-saaj</artifactId>
<version>1.3</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.mail</groupId>
<artifactId>mail</artifactId>
<version>1.4.3</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>javax.xml</groupId>
<artifactId>namespace</artifactId>
<version>1.0.1</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>xerces</groupId>
<artifactId>xmlParserAPIs</artifactId>
<version>2.6.2</version>
<scope>provided</scope>
</dependency>
</dependencies>
</project>
--
Daniele Dellafiore
http://danieledellafiore.net
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