[jboss-jira] [JBoss JIRA] (JGRP-2088) ArrayIndexOutOfBoundsException on ClassConfigurator.get()

[Manuel Dominguez Sarmiento (JIRA)]

Manuel Dominguez Sarmiento created JGRP-2088:
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             Summary: ArrayIndexOutOfBoundsException on ClassConfigurator.get()
                 Key: JGRP-2088
                 URL: https://issues.jboss.org/browse/JGRP-2088
             Project: JGroups
          Issue Type: Bug
    Affects Versions: 3.6.10
            Reporter: Manuel Dominguez Sarmiento
            Assignee: Bela Ban
         Attachments: jgroups.xml

See the following stack trace:

[ERROR] 2016-07-09 14:26:05 [UDP-multicast receiver,shared=jgroups-shared-transport] - JGRP000030: null: failed handling incoming message: java.lang.ArrayIndexOutOfBoundsException: -1
java.lang.ArrayIndexOutOfBoundsException: -1
	at org.jgroups.conf.ClassConfigurator.get(ClassConfigurator.java:161)
	at org.jgroups.Message.readHeader(Message.java:936)
	at org.jgroups.Message.readFrom(Message.java:811)
	at org.jgroups.protocols.TP.handleSingleMessage(TP.java:1712)
	at org.jgroups.protocols.TP.receive(TP.java:1654)
	at org.jgroups.protocols.UDP$PacketReceiver.run(UDP.java:701)
	at java.lang.Thread.run(Thread.java:745)

Stepping through the code with the debugger should that the following line is failing at ClassConfigurator.get() with magic = -1 thus the java.lang.ArrayIndexOutOfBoundsException

return magic < 1024 ? magicMap[magic] : (Class)magicMapUser.get(Short.valueOf(magic));

See attached jgroups.xml for configuration. This showed up when upgrading to 3.6.10 from 3.6.8 which worked fine.



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