Make END_TAG parsing more NPE robust

by calling String.equals() on the constant string and not on the
return value of parser.getName().

Also perform the access to 'parser' on a different LOC than
equals(). This should help debugging things like

okt 25, 2017 2:02:54 PM org.jivesoftware.smack.AbstractXMPPConnection callConnectionClosedOnErrorListener
WARNING: Connection XMPPTCPConnection[***@***/***] (0) closed with error
java.lang.NullPointerException
	at org.jivesoftware.smack.tcp.XMPPTCPConnection$PacketReader.parsePackets(XMPPTCPConnection.java:1194)
	at org.jivesoftware.smack.tcp.XMPPTCPConnection$PacketReader.access$300(XMPPTCPConnection.java:982)
	at org.jivesoftware.smack.tcp.XMPPTCPConnection$PacketReader$1.run(XMPPTCPConnection.java:998)
	at java.lang.Thread.run(Thread.java:745)

which where recently reported on the forums.
This commit is contained in:
Florian Schmaus 2017-10-27 17:44:48 +02:00
parent 0729392ab8
commit 1b2521269e
1 changed files with 2 additions and 1 deletions

View File

@ -1191,7 +1191,8 @@ public class XMPPTCPConnection extends AbstractXMPPConnection {
}
break;
case XmlPullParser.END_TAG:
if (parser.getName().equals("stream")) {
final String endTagName = parser.getName();
if ("stream".equals(endTagName)) {
if (!parser.getNamespace().equals("http://etherx.jabber.org/streams")) {
LOGGER.warning(XMPPTCPConnection.this + " </stream> but different namespace " + parser.getNamespace());
break;