Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via Jive Software Open Source by Daniel Henninger, 1 year ago
via JIRA by Daniel Henninger, 1 year ago
via Jive Software Open Source by Daniel Henninger, 1 year ago
via Google Groups by Hugo Flambó, 2 years ago
This exception has no message.
via Google Groups by Howard, 2 years ago
via GitHub by b0b0b0b
, 2 years ago
This exception has no message.
java.lang.NullPointerException: 	at java.util.concurrent.ConcurrentHashMap.remove(Unknown Source)	at org.jivesoftware.openfire.IQRouter.handle(IQRouter.java:284)	at org.jivesoftware.openfire.IQRouter.route(IQRouter.java:101)	at org.jivesoftware.openfire.spi.PacketRouterImpl.route(PacketRouterImpl.java:68)	at org.jivesoftware.openfire.net.StanzaHandler.processIQ(StanzaHandler.java:311)	at org.jivesoftware.openfire.net.ClientStanzaHandler.processIQ(ClientStanzaHandler.java:79)	at org.jivesoftware.openfire.net.StanzaHandler.process(StanzaHandler.java:276)	at org.jivesoftware.openfire.net.StanzaHandler.process(StanzaHandler.java:175)	at org.jivesoftware.openfire.nio.ConnectionHandler.messageReceived(ConnectionHandler.java:133)	at org.apache.mina.common.support.AbstractIoFilterChain$TailFilter.messageReceived(AbstractIoFilterChain.java:570)	at org.apache.mina.common.support.AbstractIoFilterChain.callNextMessageReceived(AbstractIoFilterChain.java:299)	at org.apache.mina.common.support.AbstractIoFilterChain.access$1100(AbstractIoFilterChain.java:53)	at org.apache.mina.common.support.AbstractIoFilterChain$EntryImpl$1.messageReceived(AbstractIoFilterChain.java:648)	at org.apache.mina.common.IoFilterAdapter.messageReceived(IoFilterAdapter.java:80)	at org.apache.mina.common.support.AbstractIoFilterChain.callNextMessageReceived(AbstractIoFilterChain.java:299)	at org.apache.mina.common.support.AbstractIoFilterChain.access$1100(AbstractIoFilterChain.java:53)	at org.apache.mina.common.support.AbstractIoFilterChain$EntryImpl$1.messageReceived(AbstractIoFilterChain.java:648)