maven Failed to execute goal org.apache.maven.plugins:maven-javadoc-plugin:2.8.1:jar

[ERROR] Failed to execute goal org.apache.maven.plugins:maven-javadoc-plugin:2.8.1:jar (attach-javadocs) on project rdas-admin-intf: MavenReportException: Error while creating archive:
[ERROR] Exit code: 1 - java.lang.IllegalArgumentException
[ERROR] at sun.net.www.ParseUtil.decode(ParseUtil.java:202)
[ERROR] at sun.misc.URLClassPath$FileLoader.<init>(URLClassPath.java:1039)
[ERROR] at sun.misc.URLClassPath$3.run(URLClassPath.java:361)
[ERROR] at sun.misc.URLClassPath$3.run(URLClassPath.java:356)
[ERROR] at java.security.AccessController.doPrivileged(Native Method)
[ERROR] at sun.misc.URLClassPath.getLoader(URLClassPath.java:355)
[ERROR] at sun.misc.URLClassPath.getLoader(URLClassPath.java:332)
[ERROR] at sun.misc.URLClassPath.findResource(URLClassPath.java:175)
[ERROR] at java.net.URLClassLoader$2.run(URLClassLoader.java:551)
[ERROR] at java.net.URLClassLoader$2.run(URLClassLoader.java:549)
[ERROR] at java.security.AccessController.doPrivileged(Native Method)
[ERROR] at java.net.URLClassLoader.findResource(URLClassLoader.java:548)
[ERROR] at java.lang.ClassLoader.getResource(ClassLoader.java:1147)
[ERROR] at java.net.URLClassLoader.getResourceAsStream(URLClassLoader.java:227)
[ERROR] at javax.xml.parsers.SecuritySupport$4.run(SecuritySupport.java:94)
[ERROR] at java.security.AccessController.doPrivileged(Native Method)
[ERROR] at javax.xml.parsers.SecuritySupport.getResourceAsStream(SecuritySupport.java:87)
[ERROR] at javax.xml.parsers.FactoryFinder.findJarServiceProvider(FactoryFinder.java:283)
[ERROR] at javax.xml.parsers.FactoryFinder.find(FactoryFinder.java:255)
[ERROR] at javax.xml.parsers.SAXParserFactory.newInstance(SAXParserFactory.java:126)
[ERROR] at com.sun.tools.doclets.internal.toolkit.builders.LayoutParser.parseXML(LayoutParser.java:88)
[ERROR] at com.sun.tools.doclets.internal.toolkit.builders.ClassBuilder.build(ClassBuilder.java:117)
[ERROR] at com.sun.tools.doclets.formats.html.HtmlDoclet.generateClassFiles(HtmlDoclet.java:186)
[ERROR] at com.sun.tools.doclets.internal.toolkit.AbstractDoclet.generateClassFiles(AbstractDoclet.java:183)
[ERROR] at com.sun.tools.doclets.internal.toolkit.AbstractDoclet.startGeneration(AbstractDoclet.java:125)
[ERROR] at com.sun.tools.doclets.internal.toolkit.AbstractDoclet.start(AbstractDoclet.java:83)
[ERROR] at com.sun.tools.doclets.formats.html.HtmlDoclet.start(HtmlDoclet.java:63)
[ERROR] at com.sun.tools.doclets.standard.Standard.start(Standard.java:39)
[ERROR] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[ERROR] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
[ERROR] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
[ERROR] at java.lang.reflect.Method.invoke(Method.java:606)
[ERROR] at com.sun.tools.javadoc.DocletInvoker.invoke(DocletInvoker.java:280)
[ERROR] at com.sun.tools.javadoc.DocletInvoker.start(DocletInvoker.java:160)
[ERROR] at com.sun.tools.javadoc.Start.parseAndExecute(Start.java:397)
[ERROR] at com.sun.tools.javadoc.Start.begin(Start.java:167)
[ERROR] at com.sun.tools.javadoc.Main.execute(Main.java:59)
[ERROR] at com.sun.tools.javadoc.Main.main(Main.java:49)
[ERROR] com.sun.tools.doclets.internal.toolkit.util.DocletAbortException
[ERROR] at com.sun.tools.doclets.internal.toolkit.builders.LayoutParser.parseXML(LayoutParser.java:95)
[ERROR] at com.sun.tools.doclets.internal.toolkit.builders.ClassBuilder.build(ClassBuilder.java:117)
[ERROR] at com.sun.tools.doclets.formats.html.HtmlDoclet.generateClassFiles(HtmlDoclet.java:186)
[ERROR] at com.sun.tools.doclets.internal.toolkit.AbstractDoclet.generateClassFiles(AbstractDoclet.java:183)
[ERROR] at com.sun.tools.doclets.internal.toolkit.AbstractDoclet.startGeneration(AbstractDoclet.java:125)
[ERROR] at com.sun.tools.doclets.internal.toolkit.AbstractDoclet.start(AbstractDoclet.java:83)
[ERROR] at com.sun.tools.doclets.formats.html.HtmlDoclet.start(HtmlDoclet.java:63)
[ERROR] at com.sun.tools.doclets.standard.Standard.start(Standard.java:39)
[ERROR] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[ERROR] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
[ERROR] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
[ERROR] at java.lang.reflect.Method.invoke(Method.java:606)
[ERROR] at com.sun.tools.javadoc.DocletInvoker.invoke(DocletInvoker.java:280)
[ERROR] at com.sun.tools.javadoc.DocletInvoker.start(DocletInvoker.java:160)
[ERROR] at com.sun.tools.javadoc.Start.parseAndExecute(Start.java:397)
[ERROR] at com.sun.tools.javadoc.Start.begin(Start.java:167)
[ERROR] at com.sun.tools.javadoc.Main.execute(Main.java:59)
[ERROR] at com.sun.tools.javadoc.Main.main(Main.java:49)
[ERROR] com.sun.tools.doclets.internal.toolkit.util.DocletAbortException
[ERROR] at com.sun.tools.doclets.formats.html.HtmlDoclet.generateClassFiles(HtmlDoclet.java:190)
[ERROR] at com.sun.tools.doclets.internal.toolkit.AbstractDoclet.generateClassFiles(AbstractDoclet.java:183)
[ERROR] at com.sun.tools.doclets.internal.toolkit.AbstractDoclet.startGeneration(AbstractDoclet.java:125)
[ERROR] at com.sun.tools.doclets.internal.toolkit.AbstractDoclet.start(AbstractDoclet.java:83)
[ERROR] at com.sun.tools.doclets.formats.html.HtmlDoclet.start(HtmlDoclet.java:63)
[ERROR] at com.sun.tools.doclets.standard.Standard.start(Standard.java:39)
[ERROR] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[ERROR] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
[ERROR] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
[ERROR] at java.lang.reflect.Method.invoke(Method.java:606)
[ERROR] at com.sun.tools.javadoc.DocletInvoker.invoke(DocletInvoker.java:280)
[ERROR] at com.sun.tools.javadoc.DocletInvoker.start(DocletInvoker.java:160)
[ERROR] at com.sun.tools.javadoc.Start.parseAndExecute(Start.java:397)
[ERROR] at com.sun.tools.javadoc.Start.begin(Start.java:167)
[ERROR] at com.sun.tools.javadoc.Main.execute(Main.java:59)
[ERROR] at com.sun.tools.javadoc.Main.main(Main.java:49)
[ERROR] 
[ERROR] Command line was: D:\Java\jdk1.7.0_79\jre\..\bin\javadoc.exe @options @packages
[ERROR] 
[ERROR] Refer to the generated Javadoc files in 'E:\eclipse_workspace\rdas-admin-intf\target\apidocs' dir.
[ERROR] -> [Help 1]
[ERROR] 
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR] 
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException
[ERROR] 
[ERROR] After correcting the problems, you can resume the build with the command
[ERROR]   mvn <goals> -rf :rdas-admin-intf

解决方法：

这个问题是由于java环境变量配置造成的，我开始是.;%JAVA_HOME%\jre\lib\tools.jar;%JAVA_HOME%\jre\lib\dt.jar
后来改为：.;D:\devtools\Java\jdk1.6.0_39\lib\tools.jar;D:\devtools\Java\jdk1.6.0_39\jre\lib\rt.jar
然后重启下电脑，不重启是不行的。