java.net.URISyntaxException

Question

I have get this exception. but this exception is not reproduced again. I want to get the cause of this ``` Exception Caught while Checking tag in XMLjava.net.URISyntaxException: Illegal character in opaque part at index 2: C:\Documents and Settings\All Users\.SF\config\sd.xml stacktrace net.sf.saxon.trans.XPathException. ``` Why this exception occured. How to deal with so it will not reproduce.

Accepted Answer

A valid URI does not contain backslashes, and if it contains a `:` then the characters before the first `:` must be a "protocol".

Basically `"C:\Documents and Settings\All Users\.SF\config\sd.xml"` is a pathname, and not a valid URI.

If you want to turn a pathname into a "file:" URI, then do the following:

```
File f = new File("C:\Documents and Settings\All Users\.SF\config\sd.xml");
URI u = f.toURI();
```

This is the simplest, and most reliable and portable way to turn a pathname into a valid URI in Java. It should work on Windows, Mac, Linux and any other platform that supports Java. (Other solutions that involve using string bashing on a pathname are not portable.)

But you need to realize that "file:" URIs have a number of caveats, as described in the javadocs for the `File.toURI()` method. For example, a "file:" URI created on one machine usually denotes a different resource (or no resource at all) on another machine.

java.net.URISyntaxException

Solution

Problem