Question

I’m using URL Fetch Java API
http://code.google.com/appengine/docs/java/urlfetch/overview.html#Fet…
to get information from graph.facebook.com, however, i keep getting
the error:
java.lang.IllegalArgumentException
at java.net.URI.create(URI.java:842)
…
Caused by: java.net.URISyntaxException: Illegal character in query at
index 58: https://graph.facebook.com/me?access_token=…
Any idea?

Answer 1

The error message pretty much says it all: the URI you are attempting to fetch contains an illegal character at index 58. I also get the exception with your URL:

public static void main(String[] args) throws Exception {

    String s = "https://graph.facebook.com/me?access_token=593172238640599|e2a5e8bb8625b56358fe6219.1-530295086|zt7TYKmSF4e3WLWbF8jc7_P8MK8";

    URI uri = new URI(s);

}

throws:

Exception in thread “main”
java.net.URISyntaxException: Illegal
character in query at index 58:
https://graph.facebook.com/me?access_token=593172238640599|e2a5e8bb8625b56358fe6219.1-530295086|zt7TYKmSF4e3WLWbF8jc7_P8MK8 at
java.net.URI$Parser.fail(URI.java:2809)
at
java.net.URI$Parser.checkChars(URI.java:2982)
at
java.net.URI$Parser.parseHierarchical(URI.java:3072)
at
java.net.URI$Parser.parse(URI.java:3014)
at java.net.URI.(URI.java:578)

The character at position 58 is the “|” character. You need to URL encode this character (and its other occurances).