NNTPClient has problems with group listings for large groups.
-------------------------------------------------------------
Key: NET-276
URL: https://issues.apache.org/jira/browse/NET-276
Project: Commons Net
Issue Type: Bug
Affects Versions: 2.0
Reporter: Erik
The following command causes a MalformedServerReplyException on my usenet
server (astraweb):
client.listNewsgroups();
Root Cause:
Caused by: org.apache.commons.net.MalformedServerReplyException:
alt.binaries.boneless 2230918506 1662764743 y
at
org.apache.commons.net.nntp.NNTPClient.__readNewsgroupListing(NNTPClient.java:255)
at
org.apache.commons.net.nntp.NNTPClient.listNewsgroups(NNTPClient.java:930)
at
org.lievaart.jleecher.protocol.CommandFactory$2.doOnServer(CommandFactory.java:27)
at
org.lievaart.jleecher.protocol.NNTPProtocol.callServer(NNTPProtocol.java:33)
... 2 more
My hypothesis is that NNTP cannot parse the response, because one of the
numbers exceeds the Integer range.
Locally I have applied the following quick fix to get it to work:
public class NNTPClient extends NNTP {
...
...
...
private NewsgroupInfo __parseNewsgroupListEntry(final String entry) {
NewsgroupInfo result;
StringTokenizer tokenizer;
int lastNum, firstNum;
String last, first, permission;
result = new NewsgroupInfo();
tokenizer = new StringTokenizer(entry);
if (tokenizer.countTokens() < 4) {
return null;
}
result._setNewsgroup(tokenizer.nextToken());
last = tokenizer.nextToken();
first = tokenizer.nextToken();
permission = tokenizer.nextToken();
try {
try {
lastNum = Integer.parseInt(last);
} catch (NumberFormatException nfe) {
if (last.matches("\\d++")) {
lastNum = Integer.MAX_VALUE;
} else {
throw nfe;
}
}
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