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[3.9.1] Forbidden characters in Messages?

Hello everybody,

our company is currently building a application with the help of openfire.

We recently noticed that some specific emoticons sent by a Android App will result in a disconnect by the server.

We generated a message with serveral default emoticons provided in Android 4.2.2 and delivered it to the server.

This is the error which will then kill the apps connection:

2014.04.15 09:11:12 org.jivesoftware.openfire.nio.ConnectionHandler - Closing connection due to error while processing message: ???
java.lang.NumberFormatException: For input string: "?"
at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
at java.lang.Integer.parseInt(Integer.java:492)
at org.jivesoftware.openfire.net.MXParser.more(MXParser.java:384)
at org.jivesoftware.openfire.net.MXParser.nextImpl(MXParser.java:85)
at org.xmlpull.mxp1.MXParser.nextToken(MXParser.java:1100)
at org.dom4j.io.XMPPPacketReader.parseDocument(XMPPPacketReader.java:317)
at org.dom4j.io.XMPPPacketReader.read(XMPPPacketReader.java:154)
at org.jivesoftware.openfire.net.StanzaHandler.process(StanzaHandler.java:159)
at org.jivesoftware.openfire.nio.ConnectionHandler.messageReceived(ConnectionHandl er.java:181)
at org.apache.mina.common.support.AbstractIoFilterChain$TailFilter.messageReceived (AbstractIoFilterChain.java:570)
at org.apache.mina.common.support.AbstractIoFilterChain.callNextMessageReceived(Ab stractIoFilterChain.java:299)
at org.apache.mina.common.support.AbstractIoFilterChain.access$1100(AbstractIoFilt erChain.java:53)
at org.apache.mina.common.support.AbstractIoFilterChain$EntryImpl$1.messageReceive d(AbstractIoFilterChain.java:648)
at org.apache.mina.common.IoFilterAdapter.messageReceived(IoFilterAdapter.java:80)
at org.apache.mina.common.support.AbstractIoFilterChain.callNextMessageReceived(Ab stractIoFilterChain.java:299)
at org.apache.mina.common.support.AbstractIoFilterChain.access$1100(AbstractIoFilt erChain.java:53)
at org.apache.mina.common.support.AbstractIoFilterChain$EntryImpl$1.messageReceive d(AbstractIoFilterChain.java:648)
at org.apache.mina.filter.codec.support.SimpleProtocolDecoderOutput.flush(SimplePr otocolDecoderOutput.java:58)
at org.apache.mina.filter.codec.ProtocolCodecFilter.messageReceived(ProtocolCodecF ilter.java:185)
at org.apache.mina.common.support.AbstractIoFilterChain.callNextMessageReceived(Ab stractIoFilterChain.java:299)
at org.apache.mina.common.support.AbstractIoFilterChain.access$1100(AbstractIoFilt erChain.java:53)
at org.apache.mina.common.support.AbstractIoFilterChain$EntryImpl$1.messageReceive d(AbstractIoFilterChain.java:648)
at org.apache.mina.filter.executor.ExecutorFilter.processEvent(ExecutorFilter.java :239)
at org.apache.mina.filter.executor.ExecutorFilter$ProcessEventsRunnable.run(Execut orFilter.java:283)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:51)
at java.lang.Thread.run(Thread.java:744)

Is this a known bug or is there even a way around it so the server supports such special chars?

Thanks in advance

Known bug: OF-455

Please test a nightly build (http://www.igniterealtime.org/downloads/nightly_openfire.jsp), there may s2s issues with gmail but this bug should be solved.