I try execute mvn package
for my project, but always get the error.
In my pom.xml I add followed properties:
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.resources.sourceEncoding>UTF-8</project.resources.sourceEncoding>
</properties>
...
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<outputEncoding>UTF-8</outputEncoding>
<argLine>-Dfile.encoding=UTF-8</argLine>
<encoding>${project.build.sourceEncoding}</encoding>
<source>1.5</source>
<target>1.5</target>
</configuration>
<version>3.0</version>
</plugin>
And run >mvn package -Dfile.encoding=UTF-8
, but without success:
java.lang.NullPointerException: charsetName
at java.io.OutputStreamWriter.<init>(OutputStreamWriter.java:99)
at org.apache.jasper.compiler.JDTJavaCompiler.getJavaWriter(JDTJavaCompiler.java:120)
at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:146)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:362)
at org.apache.jasper.JspC.processFile(JspC.java:1137)
at org.apache.jasper.JspC.execute(JspC.java:1306)
at com.reucon.maven.plugin.openfire.jspc.JspcMojo.compile(JspcMojo.java:279)
at com.reucon.maven.plugin.openfire.jspc.JspcMojo.execute(JspcMojo.java:196)
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:134)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:116)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:80)
at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:128)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:307)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:193)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:106)
at org.apache.maven.cli.MavenCli.execute(MavenCli.java:862)
at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:286)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:197)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)
at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)
at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)
Error throws this code:
public OutputStreamWriter(OutputStream out, String charsetName) throws UnsupportedEncodingException {
super(out);
if (charsetName == null)
throw new NullPointerException("charsetName");
se = StreamEncoder.forOutputStreamWriter(out, this, charsetName);
}
Help me please fix the error. I already lost 5 hours.
This question does not duplicate it , because I query about maven.
Thanks for advance!
Put javaEncoding element in your pom.xml
<plugin>
<groupId>com.reucon.maven.plugins</groupId>
<artifactId>maven-openfire-plugin</artifactId>
<extensions>true</extensions>
<configuration>
<javaEncoding>UTF-8</javaEncoding>
</configuration>
<version>1.0.2-SNAPSHOT</version>
</plugin>
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