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[xmlparser-stax] Fix potential IAE in StaxXmlPullParser.getNamespace()

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StAX's NamespaceContext.getNamespaceURI(String) is allowed to throw an
IllegalArgumentException in case the argument is null. We simply
re-use getNamespace(String) which will substitute the default
namespace if the argument is null to avoid this.

Connection closed due to an exception
java.lang.IllegalArgumentException: Illegal to pass null as argument
at com.ctc.wstx.sr.NsInputElementStack.getNamespaceURI(NsInputElementStack.java:486)
at org.jivesoftware.smack.xml.stax.StaxXmlPullParser.getNamespace(StaxXmlPullParser.java:113)
at org.jivesoftware.smack.AbstractXMPPConnection.parseFeatures(AbstractXMPPConnection.java:1852)
at org.jivesoftware.smack.AbstractXMPPConnection.parseFeaturesAndNotify(AbstractXMPPConnection.java:1887)
at org.jivesoftware.smack.tcp.XMPPTCPConnection.access$1300(XMPPTCPConnection.java:130)
at org.jivesoftware.smack.tcp.XMPPTCPConnection$PacketReader.parsePackets(XMPPTCPConnection.java:983)
at org.jivesoftware.smack.tcp.XMPPTCPConnection$PacketReader.access$700(XMPPTCPConnection.java:913)
at org.jivesoftware.smack.tcp.XMPPTCPConnection$PacketReader$1.run(XMPPTCPConnection.java:936)
at java.lang.Thread.run(Thread.java:748)

Fixes SMACK-903
This commit is contained in:
Florian Schmaus 2021-03-03 21:41:07 +01:00
parent 7d6891c077
commit ba6968fc79
1 changed files with 1 additions and 2 deletions
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3
smack-xmlparser-stax/src/main/java/org/jivesoftware/smack/xml/stax/StaxXmlPullParser.java
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@ -108,9 +108,8 @@ public final class StaxXmlPullParser implements XmlPullParser {
@Override
public String getNamespace() {
NamespaceContext namespaceContext = xmlStreamReader.getNamespaceContext();
String prefix = getPrefix();
return namespaceContext.getNamespaceURI(prefix);
return getNamespace(prefix);
}
@Override