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

[Manuel Dominguez Sarmiento (JIRA)]

     [ https://issues.jboss.org/browse/JGRP-2088?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Manuel Dominguez Sarmiento updated JGRP-2088:
---------------------------------------------
    Description: 
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 shows 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.

  was:
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.



> 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 shows 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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