java.lang.IllegalArgumentException: file:/C:/Program%20Files%20(x86)/Android/android-sdk/docs/reference is not a valid classpath entry; it must end with a slash. at org.netbeans.modules.java.classpath.SimplePathResourceImplementation.verify(SimplePathResourceImplementation.java:107) at org.netbeans.modules.java.classpath.SimplePathResourceImplementation.verify(SimplePathResourceImplementation.java:67) at org.netbeans.modules.java.classpath.SimplePathResourceImplementation.(SimplePathResourceImplementation.java:125) at org.netbeans.spi.java.classpath.support.ClassPathSupport.createResource(ClassPathSupport.java:79) at org.netbeans.spi.java.classpath.support.ClassPathSupport.createClassPath(ClassPathSupport.java:153) at org.netbeans.modules.javadoc.search.JavadocRegistry.getDocRoots(JavadocRegistry.java:132) at org.netbeans.modules.javadoc.search.IndexBuilder.refreshIndex(IndexBuilder.java:205) at org.netbeans.modules.javadoc.search.IndexBuilder.run(IndexBuilder.java:132) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1411) at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1991)